{"id":1181,"date":"2016-01-29T22:22:16","date_gmt":"2016-01-29T14:22:16","guid":{"rendered":"https:\/\/ai.zhousir.top\/?p=1181"},"modified":"2017-08-31T11:31:22","modified_gmt":"2017-08-31T03:31:22","slug":"android%e5%bc%80%e5%8f%91%e7%9a%84%e9%82%a3%e4%ba%9b%e5%9d%91%e5%92%8c%e5%b0%8f%e6%8a%80%e5%b7%a7","status":"publish","type":"post","link":"https:\/\/ai.zhousir.top\/?p=1181","title":{"rendered":"Android\u5f00\u53d1\u7684\u90a3\u4e9b\u5751\u548c\u5c0f\u6280\u5de7"},"content":{"rendered":"<h2>1\u3001android:clipToPadding<\/h2>\n<p>\u610f\u601d\u662f\u63a7\u4ef6\u7684\u7ed8\u5236\u533a\u57df\u662f\u5426\u5728padding\u91cc\u9762\u3002\u9ed8\u8ba4\u4e3atrue\u3002\u5982\u679c\u4f60\u8bbe\u7f6e\u4e86\u6b64\u5c5e\u6027\u503c\u4e3afalse\uff0c\u5c31\u80fd\u5b9e\u73b0\u4e00\u4e2a\u5728\u5e03\u5c40\u4e0a\u4e8b\u534a\u529f\u966a\u7684\u6548\u679c\u3002\u5148\u770b\u4e00\u4e2a\u6548\u679c\u56fe\u3002<!--more--><\/p>\n<p>&nbsp;<\/p>\n<p>\u4e0a\u56fe\u4e2d\u7684ListView\u9876\u90e8\u9ed8\u8ba4\u6709\u4e00\u4e2a\u95f4\u8ddd\uff0c\u5411\u4e0a\u6ed1\u52a8\u540e\uff0c\u95f4\u8ddd\u6d88\u5931\uff0c\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u5982\u679c\u4f7f\u7528margin\u6216padding\uff0c\u90fd\u4e0d\u80fd\u5b9e\u73b0\u8fd9\u4e2a\u6548\u679c\u3002\u52a0\u4e00\u4e2aheaderView\u53c8\u663e\u5f97\u5927\u6750\u5c0f\u7528\uff0c\u800c\u4e14\u8fc7\u4e8e\u9ebb\u70e6\u3002\u6b64\u5904\u7684clipToPadding\u914d\u5408paddingTop\u6548\u679c\u5c31\u521a\u521a\u597d\u3002<\/p>\n<p>\u540c\u6837\uff0c\u8fd8\u6709\u53e6\u5916\u4e00\u4e2a\u5c5e\u6027\u4e5f\u5f88\u795e\u5947\uff1aandroid:clipChildren\uff0c\u5177\u4f53\u8bf7\u53c2\u8003\uff1a<a title=\"\u3010Android\u3011\u795e\u5947\u7684android:clipChildren\u5c5e\u6027\" href=\"http:\/\/www.cnblogs.com\/over140\/p\/3508335.html\" target=\"_blank\">\u3010Android\u3011\u795e\u5947\u7684android:clipChildren\u5c5e\u6027<\/a><\/p>\n<h2>2\u3001match_parent\u548cwrap_content<\/h2>\n<p>\u6309\u7406\u8bf4\u8fd9\u4e24\u4e2a\u5c5e\u6027\u4e00\u76ee\u4e86\u7136\uff0c\u4e00\u4e2a\u662f\u586b\u5145\u5e03\u5c40\u7a7a\u95f4\u9002\u5e94\u7236\u63a7\u4ef6\uff0c\u4e00\u4e2a\u662f\u9002\u5e94\u81ea\u8eab\u5185\u5bb9\u5927\u5c0f\u3002\u4f46\u5982\u679c\u5728\u5217\u8868\u5982ListView\u4e2d\uff0c\u7528\u9519\u4e86\u95ee\u9898\u5c31\u5927\u4e86\u3002ListView\u4e2d\u7684getView\u65b9\u6cd5\u9700\u8981\u8ba1\u7b97\u5217\u8868\u6761\u76ee\uff0c\u90a3\u5c31\u5fc5\u7136\u9700\u8981\u786e\u5b9aListView\u7684\u9ad8\u5ea6\uff0conMesure\u624d\u80fd\u505a\u6d4b\u91cf\u3002\u5982\u679c\u6307\u5b9a\u4e86wrap_content\uff0c\u5c31\u7b49\u4e8e\u544a\u8bc9\u7cfb\u7edf\uff0c\u5982\u679c\u6211\u6709\u4e00\u4e07\u4e2a\u6761\u76ee\uff0c\u4f60\u90fd\u5e2e\u6211\u8ba1\u7b97\u663e\u793a\u51fa\u6765\uff0c\u7136\u540e\u7cfb\u7edf\u6309\u7167\u4f60\u7684\u8981\u6c42\u5c31new\u4e86\u4e00\u4e07\u4e2a\u5bf9\u8c61\u51fa\u6765\u3002\u90a3\u4f60\u4e0d\u60b2\u5267\u4e86\uff1f\u5148\u770b\u4e00\u4e2a\u56fe\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>\u5047\u8bbe\u73b0\u5728ListView\u67098\u6761\u6570\u636e\uff0cmatch_parent\u9700\u8981new\u51fa7\u4e2a\u5bf9\u8c61\uff0c\u800cwrap_content\u5219\u9700\u89818\u4e2a\u3002\u8fd9\u91cc\u6d89\u53ca\u5230View\u7684\u91cd\u7528\uff0c\u5c31\u4e0d\u591a\u63a2\u8ba8\u4e86\u3002\u6240\u4ee5\u8fd9\u4e24\u4e2a\u5c5e\u6027\u7684\u8bbe\u7f6e\u5c06\u51b3\u5b9agetView\u7684\u8c03\u7528\u6b21\u6570\u3002<\/p>\n<p>\u7531\u6b64\u518d\u5ef6\u4f38\u51fa\u53e6\u5916\u4e00\u4e2a\u95ee\u9898\uff1a<strong>getView\u88ab\u591a\u6b21\u8c03\u7528<\/strong>\u3002<\/p>\n<p>\u4ec0\u4e48\u53eb\u591a\u6b21\u8c03\u7528\uff1f\u6bd4\u5982position=0\u5b83\u53ef\u80fd\u8c03\u7528\u4e86\u51e0\u6b21\u3002\u770b\u4f3c\u5f88\u8be1\u5f02\u5427\u3002GridView\u548cListView\u90fd\u6709\u53ef\u80fd\u51fa\u73b0\uff0c\u8bf4\u4e0d\u5b9a\u8fd9\u4e2a\u7978\u9996\u5c31\u662fwrap_content\u3002\u8bf4\u5230\u5e95\u662fView\u7684\u5e03\u5c40\u51fa\u73b0\u4e86\u95ee\u9898\u3002\u5982\u679c\u5d4c\u5957\u7684View\u8fc7\u4e8e\u590d\u6742\uff0c\u89e3\u51b3\u65b9\u6848\u53ef\u4ee5\u662f\u901a\u8fc7\u4ee3\u7801\u6d4b\u91cf\u5217\u8868\u6240\u9700\u8981\u7684\u9ad8\u5ea6\uff0c\u6216\u8005\u5728getView\u4e2d\u4f7f\u7528\u4e00\u4e2a\u5c0f\u6280\u5de7\uff1aparent.getChildCount == position<\/p>\n<div>\n<div id=\"crayon-56ab739869ebd828080386\" class=\"crayon-syntax crayon-theme-eclipse crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" touchscreen minimize scroll-mouseover\">\n<div class=\"crayon-main\">\n<div id=\"crayon-56ab739869ebd828080386-1\" class=\"crayon-line\">\n<div id=\"crayon-56ab739869ebd828080386-1\" class=\"crayon-line\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"show\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ebd828080386-1\">1<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ebd828080386-2\">2<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ebd828080386-3\">3<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ebd828080386-4\">4<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ebd828080386-5\">5<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ebd828080386-6\">6<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ebd828080386-7\">7<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ebd828080386-8\">8<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-56ab739869ebd828080386-1\" class=\"crayon-line\"><span class=\"crayon-sy\">@<\/span><span class=\"crayon-e\">Override<\/span><\/div>\n<div id=\"crayon-56ab739869ebd828080386-2\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-m\">public<\/span> <span class=\"crayon-e\">View <\/span><span class=\"crayon-e\">getView<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-t\">int<\/span> <span class=\"crayon-v\">position<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-e\">View <\/span><span class=\"crayon-v\">convertView<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-e\">ViewGroup <\/span><span class=\"crayon-r\">parent<\/span><span class=\"crayon-sy\">)<\/span> <span class=\"crayon-sy\">{<\/span><\/div>\n<div id=\"crayon-56ab739869ebd828080386-3\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-st\">if<\/span> <span class=\"crayon-sy\">(<\/span><span class=\"crayon-r\">parent<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">getChildCount<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-sy\">)<\/span> <span class=\"crayon-o\">==<\/span> <span class=\"crayon-v\">position<\/span><span class=\"crayon-sy\">)<\/span> <span class=\"crayon-sy\">{<\/span><\/div>\n<div id=\"crayon-56ab739869ebd828080386-4\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span><span class=\"crayon-c\">\/\/ does things here<\/span><\/div>\n<div id=\"crayon-56ab739869ebd828080386-5\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-sy\">}<\/span><\/div>\n<div id=\"crayon-56ab739869ebd828080386-6\" class=\"crayon-line crayon-striped-line\"><\/div>\n<div id=\"crayon-56ab739869ebd828080386-7\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-st\">return<\/span> <span class=\"crayon-v\">convertView<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869ebd828080386-8\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0 <\/span><span class=\"crayon-sy\">}<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h2>3\u3001IllegalArgumentException: pointerIndex out of range<\/h2>\n<p>\u51fa\u73b0\u8fd9\u4e2aBug\u7684\u573a\u666f\u8fd8\u662f\u5f88\u65e0\u8bed\u7684\u3002\u4e00\u5f00\u59cb\u6211\u7528ViewPager + PhotoView(\u4e00\u4e2a\u5f00\u6e90\u63a7\u4ef6)\u663e\u793a\u56fe\u7247\uff0c\u5728\u591a\u70b9\u89e6\u63a7\u653e\u5927\u7f29\u5c0f\u65f6\u5c31\u51fa\u73b0\u4e86\u8fd9\u4e2a\u95ee\u9898\u3002\u4e00\u5f00\u59cb\u6211\u6000\u7591\u662fPhotoView\u7684bug\uff0c\u627e\u4e86\u534a\u5929\u65e0\u679c\u3002\u8981\u547d\u7684\u662f\u4e0d\u77e5\u5982\u4f55try\uff0c\u8001\u662fcrash\u3002\u540e\u6765\u624d\u77e5\u9053\u662fandroid\u9057\u7559\u4e0b\u6765\u7684bug\uff0c\u6e90\u7801\u91cc\u6ca1\u5bf9pointer index\u505a\u68c0\u67e5\u3002\u6539\u6e90\u7801\u91cd\u65b0\u7f16\u8bd1\u4e0d\u592a\u53ef\u80fd\u5427\u3002\u660e\u77e5\u6709exception\uff0c\u53c8\u4e0d\u80fd\u4ece\u6839\u672c\u4e0a\u89e3\u51b3\uff0c\u5982\u679c\u4e0d\u8ba9\u5b83crash\uff0c\u90a3\u5c31\u53ea\u80fdtry-catch\u4e86\u3002\u89e3\u51b3\u529e\u6cd5\u662f\uff1a\u81ea\u5b9a\u4e49\u4e00\u4e2aViewPager\u5e76\u7ee7\u627fViewPager\u3002\u8bf7\u770b\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n<div>\n<div id=\"crayon-56ab739869ecb384737470\" class=\"crayon-syntax crayon-theme-eclipse crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" touchscreen minimize scroll-mouseover\">\n<div class=\"crayon-toolbar\" data-settings=\" show\"><\/div>\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"show\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ecb384737470-1\">1<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ecb384737470-2\">2<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ecb384737470-3\">3<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ecb384737470-4\">4<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ecb384737470-5\">5<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ecb384737470-6\">6<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ecb384737470-7\">7<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ecb384737470-8\">8<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ecb384737470-9\">9<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ecb384737470-10\">10<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ecb384737470-11\">11<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ecb384737470-12\">12<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ecb384737470-13\">13<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ecb384737470-14\">14<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ecb384737470-15\">15<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ecb384737470-16\">16<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ecb384737470-17\">17<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ecb384737470-18\">18<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ecb384737470-19\">19<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ecb384737470-20\">20<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ecb384737470-21\">21<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ecb384737470-22\">22<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ecb384737470-23\">23<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ecb384737470-24\">24<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ecb384737470-25\">25<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-56ab739869ecb384737470-1\" class=\"crayon-line\"><span class=\"crayon-c\">\/**<\/span><\/div>\n<div id=\"crayon-56ab739869ecb384737470-2\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-c\"> * \u81ea\u5b9a\u4e49\u5c01\u88c5android.support.v4.view.ViewPager\uff0c\u91cd\u5199onInterceptTouchEvent\u4e8b\u4ef6\uff0c\u6355\u83b7\u7cfb\u7edf\u7ea7\u522b\u5f02\u5e38<\/span><\/div>\n<div id=\"crayon-56ab739869ecb384737470-3\" class=\"crayon-line\"><span class=\"crayon-c\"> *\/<\/span><\/div>\n<div id=\"crayon-56ab739869ecb384737470-4\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-m\">public<\/span> <span class=\"crayon-t\">class<\/span> <span class=\"crayon-e\">CustomViewPager<\/span> <span class=\"crayon-r\">extends<\/span> <span class=\"crayon-e\">ViewPager<\/span> <span class=\"crayon-sy\">{<\/span><\/div>\n<div id=\"crayon-56ab739869ecb384737470-5\" class=\"crayon-line\"><\/div>\n<div id=\"crayon-56ab739869ecb384737470-6\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-m\">public<\/span> <span class=\"crayon-e\">CustomViewPager<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-e\">Context <\/span><span class=\"crayon-v\">context<\/span><span class=\"crayon-sy\">)<\/span> <span class=\"crayon-sy\">{<\/span><\/div>\n<div id=\"crayon-56ab739869ecb384737470-7\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-r\">this<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">context<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-t\">null<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869ecb384737470-8\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-sy\">}<\/span><\/div>\n<div id=\"crayon-56ab739869ecb384737470-9\" class=\"crayon-line\"><\/div>\n<div id=\"crayon-56ab739869ecb384737470-10\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-m\">public<\/span> <span class=\"crayon-e\">CustomViewPager<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-e\">Context <\/span><span class=\"crayon-v\">context<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-e\">AttributeSet <\/span><span class=\"crayon-v\">attrs<\/span><span class=\"crayon-sy\">)<\/span> <span class=\"crayon-sy\">{<\/span><\/div>\n<div id=\"crayon-56ab739869ecb384737470-11\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-r\">super<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">context<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">attrs<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869ecb384737470-12\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-sy\">}<\/span><\/div>\n<div id=\"crayon-56ab739869ecb384737470-13\" class=\"crayon-line\"><\/div>\n<div id=\"crayon-56ab739869ecb384737470-14\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-sy\">@<\/span><span class=\"crayon-e\">Override<\/span><\/div>\n<div id=\"crayon-56ab739869ecb384737470-15\" class=\"crayon-line\"><span class=\"crayon-e\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-m\">public<\/span> <span class=\"crayon-t\">boolean<\/span> <span class=\"crayon-e\">onInterceptTouchEvent<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-e\">MotionEvent <\/span><span class=\"crayon-v\">ev<\/span><span class=\"crayon-sy\">)<\/span> <span class=\"crayon-sy\">{<\/span><\/div>\n<div id=\"crayon-56ab739869ecb384737470-16\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-st\">try<\/span> <span class=\"crayon-sy\">{<\/span><\/div>\n<div id=\"crayon-56ab739869ecb384737470-17\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-st\">return<\/span> <span class=\"crayon-r\">super<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">onInterceptTouchEvent<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">ev<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869ecb384737470-18\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-sy\">}<\/span> <span class=\"crayon-st\">catch<\/span> <span class=\"crayon-sy\">(<\/span><span class=\"crayon-i\">IllegalArgumentException<\/span> <span class=\"crayon-v\">e<\/span><span class=\"crayon-sy\">)<\/span> <span class=\"crayon-sy\">{<\/span><\/div>\n<div id=\"crayon-56ab739869ecb384737470-19\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-v\">LogUtil<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">e<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">e<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869ecb384737470-20\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-sy\">}<\/span> <span class=\"crayon-st\">catch<\/span> <span class=\"crayon-sy\">(<\/span><span class=\"crayon-i\">ArrayIndexOutOfBoundsException<\/span> <span class=\"crayon-v\">e<\/span><span class=\"crayon-sy\">)<\/span> <span class=\"crayon-sy\">{<\/span><\/div>\n<div id=\"crayon-56ab739869ecb384737470-21\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-v\">LogUtil<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">e<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">e<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869ecb384737470-22\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-sy\">}<\/span><\/div>\n<div id=\"crayon-56ab739869ecb384737470-23\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-st\">return<\/span> <span class=\"crayon-t\">false<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869ecb384737470-24\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-sy\">}<\/span><\/div>\n<div id=\"crayon-56ab739869ecb384737470-25\" class=\"crayon-line\"><span class=\"crayon-sy\">}<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<p>\u628a\u7528\u5230ViewPager\u7684\u5e03\u5c40\u6587\u4ef6\uff0c\u66ff\u6362\u6210CustomViewPager\u5c31OK\u4e86\u3002<\/p>\n<h2>4\u3001ListView\u4e2ditem\u70b9\u51fb\u4e8b\u4ef6\u65e0\u54cd\u5e94<\/h2>\n<p>listView\u7684Item\u70b9\u51fb\u4e8b\u4ef6\u7a81\u7136\u65e0\u54cd\u5e94\uff0c\u95ee\u9898\u4e00\u822c\u662f\u5728listView\u4e2d\u52a0\u5165\u4e86button\u3001checkbox\u7b49\u63a7\u4ef6\u540e\u51fa\u73b0\u7684\u3002\u8fd9\u4e2a\u95ee\u9898\u662f\u805a\u7126\u51b2\u7a81\u9020\u6210\u7684\u3002\u5728android\u91cc\u9762\uff0c\u70b9\u51fb\u5c4f\u5e55\u4e4b\u540e\uff0c\u70b9\u51fb\u4e8b\u4ef6\u4f1a\u6839\u636e\u4f60\u7684\u5e03\u5c40\u6765\u8fdb\u884c\u5206\u914d\u7684\uff0c\u5f53\u4f60\u7684listView\u91cc\u9762\u589e\u52a0\u4e86button\u4e4b\u540e\uff0c\u70b9\u51fb\u4e8b\u4ef6\u7b2c\u4e00\u4f18\u5148\u5206\u914d\u7ed9\u4f60listView\u91cc\u9762\u7684button\u3002\u6240\u4ee5\u4f60\u7684\u70b9\u51fbItem\u5c31\u5931\u6548\u4e86\uff0c\u8fd9\u4e2a\u65f6\u5019\u4f60\u5c31\u8981\u6839\u636e\u4f60\u7684\u9700\u6c42\uff0c\u662f\u7ed9\u4f60\u7684item\u7684\u6700\u5916\u5c42layout\u8bbe\u7f6e\u70b9\u51fb\u4e8b\u4ef6\uff0c\u8fd8\u662f\u7ed9\u4f60\u7684\u67d0\u4e2a\u5e03\u5c40\u5143\u7d20\u6dfb\u52a0\u70b9\u51fb\u4e8b\u4ef6\u4e86\u3002<\/p>\n<p>\u89e3\u51b3\u529e\u6cd5\uff1a\u5728ListView\u7684\u6839\u63a7\u4ef6\u4e2d\u8bbe\u7f6e\uff08\u82e5\u6839\u63a7\u4ef6\u662fLinearLayout, \u5219\u5728LinearLayout\u4e2d\u52a0\u5165\u4ee5\u4e0b\u5c5e\u6027\u8bbe\u7f6e\uff09descendantFocusability\u5c5e\u6027\u3002<\/p>\n<div>\n<div id=\"crayon-56ab739869ed0678021298\" class=\"crayon-syntax crayon-theme-eclipse crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" touchscreen minimize scroll-mouseover\">\n<div class=\"crayon-toolbar\" data-settings=\" show\"><\/div>\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"show\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ed0678021298-1\">1<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-56ab739869ed0678021298-1\" class=\"crayon-line\"><span class=\"crayon-v\">android<\/span><span class=\"crayon-o\">:<\/span><span class=\"crayon-v\">descendantFocusability<\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-s\">&#8220;blocksDescendants&#8221;<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<p>\u5b98\u65b9\u6587\u6863\u4e5f\u662f\u8fd9\u6837\u8bf4\u660e\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>5\u3001getSupportFragmentManager()\u548cgetChildFragmentManager()<\/h2>\n<p>\u6709\u4e00\u4e2a\u9700\u6c42\uff0cFragment\u9700\u8981\u5d4c\u59573\u4e2aFragment\u3002\u57fa\u672c\u4e0a\u53ef\u4ee5\u60f3\u5230\u7528ViewPager\u5b9e\u73b0\u3002\u5f00\u59cb\u4ee3\u7801\u662f\u8fd9\u6837\u5199\u7684\uff1a<\/p>\n<div>\n<div id=\"crayon-56ab739869ed5520331255\" class=\"crayon-syntax crayon-theme-eclipse crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" touchscreen minimize scroll-mouseover\">\n<div class=\"crayon-toolbar\" data-settings=\" show\"><\/div>\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"show\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ed5520331255-1\">1<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-56ab739869ed5520331255-1\" class=\"crayon-line\"><span class=\"crayon-v\">mViewPager<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">setAdapter<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-r\">new<\/span> <span class=\"crayon-e\">CustomizeFragmentPagerAdapter<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-e\">getActivity<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">getSupportFragmentManager<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">subFragmentList<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<p>\u5bfc\u81f4\u7684\u95ee\u9898\u662f\u5d4c\u5957\u7684Fragment\u6709\u65f6\u4f1a\u83ab\u540d\u5176\u5999\u4e0d\u663e\u793a\u3002\u5f00\u59cb\u6839\u672c\u4e0d\u77e5\u9053\u95ee\u9898\u51fa\u73b0\u5728\u54ea\uff0c\u5f53\u4f60\u4e0d\u77e5\u9053\u95ee\u9898\u7684\u539f\u56e0\u65f6\uff0c\u53bb\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u663e\u7136\u6bd4\u8f83\u9ebb\u70e6\u3002\u7ecf\u8fc7\u4e00\u6b21\u53c8\u4e00\u6b21\u7684\u5bfb\u5bfb\u89c5\u89c5\uff0c\u7ec8\u4e8e\u5728stackoverflow\u4e0a\u770b\u5230\u4e86\u540c\u6837\u7684\u63d0\u95ee\u3002\u8bf4\u662f\u7528getChildFragmentManager()\u5c31\u53ef\u4ee5\u4e86\u3002\u771f\u662f\u8fd9\u4e48\u795e\u5947\uff01<\/p>\n<div>\n<div id=\"crayon-56ab739869ed9398563124\" class=\"crayon-syntax crayon-theme-eclipse crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" touchscreen minimize scroll-mouseover\">\n<div class=\"crayon-toolbar\" data-settings=\" show\"><\/div>\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"show\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ed9398563124-1\">1<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-56ab739869ed9398563124-1\" class=\"crayon-line\"><span class=\"crayon-v\">mViewPager<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">setAdapter<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-r\">new<\/span> <span class=\"crayon-e\">CustomizeFragmentPagerAdapter<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">getChildFragmentManager<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">subFragmentList<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<p>\u8ba9\u6211\u4eec\u770b\u4e00\u4e0b\u8fd9\u4e24\u4e2a\u6709\u4ec0\u4e48\u533a\u522b\u3002\u9996\u5148\u662fgetSupportFragmentManager\uff08\u6216\u8005getFragmentManager\uff09\u7684\u8bf4\u660e\uff1a<\/p>\n<div>\n<div id=\"crayon-56ab739869edc226261702\" class=\"crayon-syntax crayon-theme-eclipse crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" touchscreen minimize scroll-mouseover\">\n<div class=\"crayon-toolbar\" data-settings=\" show\"><\/div>\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"show\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869edc226261702-1\">1<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-56ab739869edc226261702-1\" class=\"crayon-line\"><span class=\"crayon-st\">Return<\/span> <span class=\"crayon-e\">the <\/span><span class=\"crayon-e\">FragmentManager <\/span><span class=\"crayon-st\">for<\/span> <span class=\"crayon-e\">interacting <\/span><span class=\"crayon-e\">with <\/span><span class=\"crayon-e\">fragments <\/span><span class=\"crayon-e\">associated <\/span><span class=\"crayon-e\">with <\/span><span class=\"crayon-r\">this<\/span> <span class=\"crayon-i\">fragment<\/span>&#8216;<span class=\"crayon-i\">s<\/span> <span class=\"crayon-v\">activity<\/span><span class=\"crayon-sy\">.<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<p>\u7136\u540e\u662fgetChildFragmentManager\uff1a<\/p>\n<div>\n<div id=\"crayon-56ab739869ee0046424678\" class=\"crayon-syntax crayon-theme-eclipse crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" touchscreen minimize scroll-mouseover\">\n<div class=\"crayon-toolbar\" data-settings=\" show\"><\/div>\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"show\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ee0046424678-1\">1<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-56ab739869ee0046424678-1\" class=\"crayon-line\"><span class=\"crayon-st\">Return<\/span> <span class=\"crayon-i\">a<\/span> <span class=\"crayon-m\">private<\/span> <span class=\"crayon-e\">FragmentManager <\/span><span class=\"crayon-st\">for<\/span> <span class=\"crayon-e\">placing <\/span><span class=\"crayon-st\">and<\/span> <span class=\"crayon-e\">managing <\/span><span class=\"crayon-e\">Fragments <\/span><span class=\"crayon-e\">inside <\/span><span class=\"crayon-e\">of <\/span><span class=\"crayon-r\">this<\/span> <span class=\"crayon-v\">Fragment<\/span><span class=\"crayon-sy\">.<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<p>Basically, the difference is that Fragment\u2019s now have their own internal FragmentManager that can handle Fragments. The child FragmentManager is the one that handles Fragments contained within only the Fragment that it was added to. The other FragmentManager is contained within the entire Activity.<\/p>\n<p>\u5df2\u7ecf\u8bf4\u5f97\u6bd4\u8f83\u660e\u767d\u4e86\u3002<\/p>\n<h2>6\u3001ScrollView\u5d4c\u5957ListView<\/h2>\n<p>\u8fd9\u6837\u7684\u8bbe\u8ba1\u662f\u4e0d\u662f\u5f88\u5947\u602a\uff1f\u4e24\u4e2a\u540c\u6837\u4f1a\u6eda\u52a8\u7684View\u5c45\u7136\u653e\u5230\u4e86\u4e00\u8d77\uff0c\u800c\u4e14\u8fd8\u662f\u5d4c\u5957\u7684\u5173\u7cfb\u3002\u66fe\u7ecf\u6709\u4e00\u4e2a\u8fd9\u6837\u7684\u9700\u6c42\uff1a\u754c\u9762\u4e00\u5171\u67094\u4e2a\u533a\u57df\u90e8\u5206\uff0c\u5206\u522b\u662f\u516c\u53f8\u57fa\u672c\u4fe1\u606f\uff08logo\u3001\u540d\u79f0\u3001\u6cd5\u4eba\u3001\u5730\u5740\uff09\u3001\u516c\u53f8\u7b80\u4ecb\u3001\u516c\u53f8\u8363\u8a89\u3001\u516c\u53f8\u53e3\u7891\u5217\u8868\u3002\u6bcf\u90e8\u5206\u5185\u5bb9\u90fd\u9700\u8981\u6839\u636e\u5185\u5bb9\u81ea\u9002\u5e94\u9ad8\u5ea6\uff0c\u4e0d\u80fd\u5199\u6b7b\u3002\u9119\u4eba\u9996\u5148\u60f3\u5230\u7684\u4e5f\u662f\u5916\u90e8\u7528\u4e00\u4e2aScrollView\u5305\u56f4\u8d77\u6765\u3002\u7136\u540e\u628a\u8fd94\u90e8\u5206\u5206\u522b\u75284\u4e2a\u81ea\u5b9a\u4e49\u63a7\u4ef6\u5c01\u88c5\u8d77\u6765\u3002\u57fa\u672c\u4fe1\u606f\u548c\u516c\u53f8\u7b80\u4ecb\u6bd4\u8f83\u7b80\u5355\uff0c\u8363\u8a89\u9700\u8981\u7528\u5230RecyclerView\u548cTextView\u7684\u7ec4\u5408\uff0cRecyclerView\uff08\u5f53\u7136\uff0c\u7528GridView\u4e5f\u53ef\u4ee5\uff0c3\u5217\u591a\u884c\u7684\u663e\u793a\uff09\u5b58\u653e\u8363\u8a89\u56fe\u7247\uff0cTextView\u663e\u793a\u8363\u8a89\u540d\u79f0\u3002\u6700\u540e\u4e00\u90e8\u5206\u53e3\u7891\u5217\u8868\u5f53\u7136\u662fListView\u4e86\u3002\u8fd9\u65f6\u5019\uff0c\u95ee\u9898\u5c31\u51fa\u6765\u4e86\u3002\u9700\u8981\u89e3\u51b3ListView\u653e\u5230ScrollView\u4e2d\u7684\u6ed1\u52a8\u95ee\u9898\u548cRecyclerView\u7684\u663e\u793a\u95ee\u9898\uff08\u5982\u679cRecyclerView\u7684\u9ad8\u5ea6\u6ca1\u6cd5\u8ba1\u7b97\uff0c\u4f60\u662f\u770b\u4e0d\u5230\u5185\u5bb9\u7684\uff09\u3002<\/p>\n<p>\u5f53\u7136\uff0c\u7f51\u4e0a\u5df2\u7ecf\u6709\u7c7b\u4f3c\u7684\u63d0\u95ee\u548c\u89e3\u51b3\u65b9\u6848\u4e86\u3002<\/p>\n<p>\u7ed9\u4e00\u4e2a\u7f51\u5740\uff1a<\/p>\n<p><a title=\"\u56db\u79cd\u65b9\u6848\u89e3\u51b3ScrollView\u5d4c\u5957ListView\u95ee\u9898\" href=\"http:\/\/bbs.anzhuo.cn\/thread-982250-1-1.html\" target=\"_blank\">\u56db\u79cd\u65b9\u6848\u89e3\u51b3ScrollView\u5d4c\u5957ListView\u95ee\u9898<\/a><\/p>\n<p>ListView\u7684\u60c5\u51b5\u8fd8\u6bd4\u8f83\u597d\u89e3\u51b3\uff0c\u4f18\u96c5\u7684\u505a\u6cd5\u65e0\u975e\u5199\u4e00\u4e2a\u7c7b\u7ee7\u627fListView\uff0c\u7136\u540e\u91cd\u5199onMeasure\u65b9\u6cd5\u3002<\/p>\n<div>\n<div id=\"crayon-56ab739869ee5115212662\" class=\"crayon-syntax crayon-theme-eclipse crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" touchscreen minimize scroll-mouseover\">\n<div class=\"crayon-toolbar\" data-settings=\" show\"><\/div>\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"show\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ee5115212662-1\">1<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ee5115212662-2\">2<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ee5115212662-3\">3<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ee5115212662-4\">4<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-56ab739869ee5115212662-1\" class=\"crayon-line\"><span class=\"crayon-sy\">@<\/span><span class=\"crayon-e\">Override <\/span><span class=\"crayon-m\">protected<\/span> <span class=\"crayon-t\">void<\/span> <span class=\"crayon-e\">onMeasure<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-t\">int<\/span> <span class=\"crayon-v\">widthMeasureSpec<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-t\">int<\/span> <span class=\"crayon-v\">heightMeasureSpec<\/span><span class=\"crayon-sy\">)<\/span> <span class=\"crayon-sy\">{<\/span><\/div>\n<div id=\"crayon-56ab739869ee5115212662-2\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-t\">int<\/span> <span class=\"crayon-v\">expandSpec<\/span> <span class=\"crayon-o\">=<\/span> <span class=\"crayon-v\">MeasureSpec<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">makeMeasureSpec<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-t\">Integer<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">MAX_VALUE<\/span> <span class=\"crayon-o\">&gt;&gt;<\/span> <span class=\"crayon-cn\">2<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">MeasureSpec<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">AT_MOST<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869ee5115212662-3\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-r\">super<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">onMeasure<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">widthMeasureSpec<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">expandSpec<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869ee5115212662-4\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-sy\">}<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<p>ListView\u53ef\u4ee5\u91cd\u5199onMeasure\u89e3\u51b3\uff0cRecyclerView\u91cd\u5199\u8fd9\u4e2a\u65b9\u6cd5\u662f\u884c\u4e0d\u901a\u7684\u3002<\/p>\n<p>\u8bf4\u5230\u5e95\u5176\u5b9e\u8ba1\u7b97\u9ad8\u5ea6\u561b\u3002\u6709\u4e24\u79cd\u65b9\u5f0f\uff0c\u4e00\u79cd\u662f\u52a8\u6001\u8ba1\u7b97RecycleView\uff0c\u7136\u540e\u8bbe\u7f6esetLayoutParams\uff1b\u53e6\u5916\u4e00\u79cd\u8ddfListView\u7684\u89e3\u51b3\u65b9\u5f0f\u7c7b\u4f3c\uff0c\u5b9a\u4e49\u4e00\u4e2a\u7c7b\u7ee7\u627fLinearLayoutManager\u6216GridLayoutManager\uff08\u6ce8\u610f\uff1a\u53ef\u4e0d\u662f\u7ee7\u627fRecyclerView\uff09\uff0c\u91cd\u5199onMeasure\u65b9\u6cd5\uff08\u6b64\u65b9\u6cd5\u6bd4\u8f83\u9ebb\u70e6\uff0c\u6b64\u5904\u4e0d\u8868\uff0c\u4e0b\u6b21\u5199\u4e00\u7bc7\u6587\u7ae0\u518d\u4f5c\u4ecb\u7ecd\uff09\u3002<\/p>\n<p>\u52a8\u6001\u8ba1\u7b97\u9ad8\u5ea6\u5982\u4e0b\uff1a<\/p>\n<div>\n<div id=\"crayon-56ab739869ee9035224509\" class=\"crayon-syntax crayon-theme-eclipse crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" touchscreen minimize scroll-mouseover\">\n<div class=\"crayon-toolbar\" data-settings=\" show\"><\/div>\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"show\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ee9035224509-1\">1<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ee9035224509-2\">2<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ee9035224509-3\">3<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ee9035224509-4\">4<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ee9035224509-5\">5<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-56ab739869ee9035224509-1\" class=\"crayon-line\"><span class=\"crayon-t\">int<\/span> <span class=\"crayon-v\">heightPx<\/span> <span class=\"crayon-o\">=<\/span> <span class=\"crayon-v\">DensityUtil<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">dip2px<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-e\">getActivity<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">imageHeight<\/span> <span class=\"crayon-o\">+<\/span> <span class=\"crayon-v\">imageRowHeight<\/span><span class=\"crayon-sy\">)<\/span> <span class=\"crayon-o\">*<\/span> <span class=\"crayon-v\">lines<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869ee9035224509-2\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-e\">MarginLayoutParams <\/span><span class=\"crayon-v\">mParams<\/span> <span class=\"crayon-o\">=<\/span> <span class=\"crayon-r\">new<\/span> <span class=\"crayon-e\">MarginLayoutParams<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">LayoutParams<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">MATCH_PARENT<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">heightPx<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869ee9035224509-3\" class=\"crayon-line\"><span class=\"crayon-v\">mParams<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">setMargins<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-cn\">0<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-cn\">0<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-cn\">0<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-cn\">0<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869ee9035224509-4\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-v\">LinearLayout<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">LayoutParams <\/span><span class=\"crayon-v\">lParams<\/span> <span class=\"crayon-o\">=<\/span> <span class=\"crayon-r\">new<\/span> <span class=\"crayon-v\">LinearLayout<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">LayoutParams<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">mParams<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869ee9035224509-5\" class=\"crayon-line\"><span class=\"crayon-v\">honorImageRecyclerView<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">setLayoutParams<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">lParams<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<p>\u601d\u8def\u662f\u8fd9\u6837\u7684\uff1a\u670d\u52a1\u7aef\u8fd4\u56de\u8363\u8a89\u56fe\u7247\u540e\uff0c\u7531\u4e8e\u662f3\u5217\u663e\u793a\u7684\u65b9\u5f0f\uff0c\u53ea\u9700\u8981\u8ba1\u7b97\u9700\u8981\u663e\u793a\u51e0\u884c\uff0c\u7136\u540e\u7ed9\u5b9a\u884c\u95f4\u8ddd\u548c\u56fe\u7247\u7684\u9ad8\u5ea6\uff0c\u518d\u8bbe\u7f6esetLayoutParams\u5c31\u884c\u4e86\u3002<\/p>\n<div>\n<div id=\"crayon-56ab739869eed953879911\" class=\"crayon-syntax crayon-theme-eclipse crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" touchscreen minimize scroll-mouseover\">\n<div class=\"crayon-toolbar\" data-settings=\" show\"><\/div>\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"show\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869eed953879911-1\">1<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-56ab739869eed953879911-1\" class=\"crayon-line\"><span class=\"crayon-t\">int<\/span> <span class=\"crayon-v\">lines<\/span> <span class=\"crayon-o\">=<\/span> <span class=\"crayon-sy\">(<\/span><span class=\"crayon-t\">int<\/span><span class=\"crayon-sy\">)<\/span> <span class=\"crayon-v\">Math<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">ceil<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">totalImages<\/span> <span class=\"crayon-o\">\/<\/span> <span class=\"crayon-cn\">3d<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<p>\u81f3\u6b64\uff0c\u8fd9\u4e2a\u5947\u602a\u7684\u9700\u6c42\u5f97\u5230\u4e86\u89e3\u51b3\u3002<\/p>\n<p>\u53ef\u662f\u5728\u6ed1\u52a8\u7684\u65f6\u5019\uff0c\u611f\u89c9\u51fa\u73b0\u5361\u987f\u7684\u73b0\u8c61\u3002\u806a\u660e\u7684\u4f60\u80af\u5b9a\u60f3\u5230\u662f\u6ed1\u52a8\u51b2\u7a81\u4e86\u3002\u5e94\u8be5\u662fScrollView\u7684\u6ed1\u52a8\u5e72\u6270\u5230\u4e86ListView\u7684\u6ed1\u52a8\u3002\u600e\u4e48\u529e\u5462\uff1f\u80fd\u4e0d\u80fd\u7981\u6389ScrollView\u7684\u6ed1\u52a8\uff1f<\/p>\n<p>\u767e\u5ea6\u4e00\u4e0b\uff0c\u4f60\u80af\u5b9a\u80fd\u641c\u7d22\u5230\u7b54\u6848\u7684\u3002\u5148\u4e0a\u4ee3\u7801\uff1a<\/p>\n<div>\n<div id=\"crayon-56ab739869ef0098441273\" class=\"crayon-syntax crayon-theme-eclipse crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" touchscreen minimize scroll-mouseover\">\n<div class=\"crayon-toolbar\" data-settings=\" show\"><\/div>\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"show\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ef0098441273-1\">1<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ef0098441273-2\">2<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ef0098441273-3\">3<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ef0098441273-4\">4<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ef0098441273-5\">5<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ef0098441273-6\">6<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ef0098441273-7\">7<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ef0098441273-8\">8<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ef0098441273-9\">9<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ef0098441273-10\">10<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ef0098441273-11\">11<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ef0098441273-12\">12<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ef0098441273-13\">13<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ef0098441273-14\">14<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ef0098441273-15\">15<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ef0098441273-16\">16<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ef0098441273-17\">17<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ef0098441273-18\">18<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ef0098441273-19\">19<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ef0098441273-20\">20<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ef0098441273-21\">21<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ef0098441273-22\">22<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ef0098441273-23\">23<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ef0098441273-24\">24<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ef0098441273-25\">25<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ef0098441273-26\">26<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ef0098441273-27\">27<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ef0098441273-28\">28<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ef0098441273-29\">29<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ef0098441273-30\">30<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ef0098441273-31\">31<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ef0098441273-32\">32<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ef0098441273-33\">33<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ef0098441273-34\">34<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ef0098441273-35\">35<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ef0098441273-36\">36<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ef0098441273-37\">37<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ef0098441273-38\">38<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ef0098441273-39\">39<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ef0098441273-40\">40<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-56ab739869ef0098441273-1\" class=\"crayon-line\"><span class=\"crayon-c\">\/**<\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-2\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-c\"> * @author Leo<\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-3\" class=\"crayon-line\"><span class=\"crayon-c\"> * <\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-4\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-c\"> *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Created in 2015-9-12<\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-5\" class=\"crayon-line\"><span class=\"crayon-c\"> *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u62e6\u622aScrollView\u6ed1\u52a8\u4e8b\u4ef6<\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-6\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-c\"> *\/<\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-7\" class=\"crayon-line\"><span class=\"crayon-m\">public<\/span> <span class=\"crayon-t\">class<\/span> <span class=\"crayon-e\">CustomScrollView<\/span> <span class=\"crayon-r\">extends<\/span> <span class=\"crayon-e\">ScrollView<\/span> <span class=\"crayon-sy\">{<\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-8\" class=\"crayon-line crayon-striped-line\"><\/div>\n<div id=\"crayon-56ab739869ef0098441273-9\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-m\">private<\/span> <span class=\"crayon-t\">int<\/span> <span class=\"crayon-v\">downY<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-10\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-m\">private<\/span> <span class=\"crayon-t\">int<\/span> <span class=\"crayon-v\">touchSlop<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-11\" class=\"crayon-line\"><\/div>\n<div id=\"crayon-56ab739869ef0098441273-12\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-m\">public<\/span> <span class=\"crayon-e\">CustomScrollView<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-e\">Context <\/span><span class=\"crayon-v\">context<\/span><span class=\"crayon-sy\">)<\/span> <span class=\"crayon-sy\">{<\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-13\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-r\">this<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">context<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-t\">null<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-14\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-sy\">}<\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-15\" class=\"crayon-line\"><\/div>\n<div id=\"crayon-56ab739869ef0098441273-16\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-m\">public<\/span> <span class=\"crayon-e\">CustomScrollView<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-e\">Context <\/span><span class=\"crayon-v\">context<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-e\">AttributeSet <\/span><span class=\"crayon-v\">attrs<\/span><span class=\"crayon-sy\">)<\/span> <span class=\"crayon-sy\">{<\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-17\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-r\">this<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">context<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">attrs<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-cn\">0<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-18\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-sy\">}<\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-19\" class=\"crayon-line\"><\/div>\n<div id=\"crayon-56ab739869ef0098441273-20\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-m\">public<\/span> <span class=\"crayon-e\">CustomScrollView<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-e\">Context <\/span><span class=\"crayon-v\">context<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-e\">AttributeSet <\/span><span class=\"crayon-v\">attrs<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-t\">int<\/span> <span class=\"crayon-v\">defStyleAttr<\/span><span class=\"crayon-sy\">)<\/span> <span class=\"crayon-sy\">{<\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-21\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-r\">super<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">context<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">attrs<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">defStyleAttr<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-22\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-v\">touchSlop<\/span> <span class=\"crayon-o\">=<\/span> <span class=\"crayon-v\">ViewConfiguration<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">get<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">context<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">getScaledTouchSlop<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-23\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-sy\">}<\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-24\" class=\"crayon-line crayon-striped-line\"><\/div>\n<div id=\"crayon-56ab739869ef0098441273-25\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-sy\">@<\/span><span class=\"crayon-e\">Override<\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-26\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-e\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-m\">public<\/span> <span class=\"crayon-t\">boolean<\/span> <span class=\"crayon-e\">onInterceptTouchEvent<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-i\">MotionEvent<\/span> <span class=\"crayon-v\">e<\/span><span class=\"crayon-sy\">)<\/span> <span class=\"crayon-sy\">{<\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-27\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-t\">int<\/span> <span class=\"crayon-v\">action<\/span> <span class=\"crayon-o\">=<\/span> <span class=\"crayon-v\">e<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">getAction<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-28\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-st\">switch<\/span> <span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">action<\/span><span class=\"crayon-sy\">)<\/span> <span class=\"crayon-sy\">{<\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-29\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-st\">case<\/span> <span class=\"crayon-v\">MotionEvent<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">ACTION_DOWN<\/span><span class=\"crayon-o\">:<\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-30\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-v\">downY<\/span> <span class=\"crayon-o\">=<\/span> <span class=\"crayon-sy\">(<\/span><span class=\"crayon-t\">int<\/span><span class=\"crayon-sy\">)<\/span> <span class=\"crayon-v\">e<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">getRawY<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-31\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-st\">break<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-32\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-st\">case<\/span> <span class=\"crayon-v\">MotionEvent<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">ACTION_MOVE<\/span><span class=\"crayon-o\">:<\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-33\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-t\">int<\/span> <span class=\"crayon-v\">moveY<\/span> <span class=\"crayon-o\">=<\/span> <span class=\"crayon-sy\">(<\/span><span class=\"crayon-t\">int<\/span><span class=\"crayon-sy\">)<\/span> <span class=\"crayon-v\">e<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">getRawY<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-34\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-st\">if<\/span> <span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">Math<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">abs<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">moveY<\/span> <span class=\"crayon-o\">&#8211;<\/span> <span class=\"crayon-v\">downY<\/span><span class=\"crayon-sy\">)<\/span> <span class=\"crayon-o\">&gt;<\/span> <span class=\"crayon-v\">touchSlop<\/span><span class=\"crayon-sy\">)<\/span> <span class=\"crayon-sy\">{<\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-35\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-st\">return<\/span> <span class=\"crayon-t\">true<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-36\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-sy\">}<\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-37\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-sy\">}<\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-38\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-st\">return<\/span> <span class=\"crayon-r\">super<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">onInterceptTouchEvent<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">e<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-39\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-sy\">}<\/span><\/div>\n<div id=\"crayon-56ab739869ef0098441273-40\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-sy\">}<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<p>\u53ea\u8981\u7406\u89e3\u4e86getScaledTouchSlop()\u8fd9\u4e2a\u65b9\u6cd5\u5c31\u597d\u529e\u4e86\u3002\u8fd9\u4e2a\u65b9\u6cd5\u7684\u6ce8\u91ca\u662f\uff1aDistance in pixels a touch can wander before we think the user is scrolling\u3002\u8bf4\u8fd9\u662f\u4e00\u4e2a\u8ddd\u79bb\uff0c\u8868\u793a\u6ed1\u52a8\u7684\u65f6\u5019\uff0c\u624b\u7684\u79fb\u52a8\u8981\u5927\u4e8e\u8fd9\u4e2a\u8ddd\u79bb\u624d\u5f00\u59cb\u79fb\u52a8\u63a7\u4ef6\uff0c\u5982\u679c\u5c0f\u4e8e\u6b64\u8ddd\u79bb\u5c31\u4e0d\u89e6\u53d1\u79fb\u52a8\u3002<\/p>\n<p>\u770b\u4f3c\u5f88\u5b8c\u7f8e\u4e86\u3002<\/p>\n<p>\u4f46\u662f\u8fd8\u6709\u53e6\u5916\u4e00\u4e2a\u95ee\u9898\uff1a\u6211\u6bcf\u6b21\u52a0\u8f7d\u8fd9\u4e2a\u754c\u9762\u82b1\u7684\u65f6\u95f4\u592a\u957f\u4e86\uff0c\u6bcf\u6b21\u7531\u5176\u5b83\u754c\u9762\u542f\u52a8\u8fd9\u4e2a\u754c\u9762\u65f6\uff0c\u90fd\u8981\u5361\u4e0a1~2\u79d2\uff0c\u800c\u4e14\u56e0\u624b\u673a\u6027\u80fd\u65f6\u95f4\u4e0d\u7b49\u3002\u5e76\u4e0d\u662f\u7531\u4e8e\u7f51\u7edc\u8bf7\u6c42\uff0c\u53d6\u6570\u636e\u7531\u5b50\u7ebf\u7a0b\u505a\uff0c\u8ddfUI\u7ebf\u7a0b\u6beb\u65e0\u5173\u7cfb\u3002\u8fd9\u6837\u7684\u4f53\u9a8c\u81ea\u5df1\u770b\u4e86\u90fd\u5f88\u4e0d\u723d\u3002<\/p>\n<p>\u51e0\u5929\u8fc7\u53bb\u4e86\uff0c\u8fd8\u662f\u90a3\u6837\u3002\u9a6c\u4e0a\u8981\u7ed9\u8001\u677f\u6f14\u793a\u4e86\u3002\u8fd9\u6837\u7684\u4f53\u9a8c\u8981\u88ab\u9a82\u5341\u6b21\u5440\u3002<\/p>\n<p>\u96be\u9053\u8ddfScrollView\u7684\u5d4c\u5957\u6709\u5173\uff1f<\/p>\n<p>\u597d\u5427\uff0c\u90a3\u6211\u91cd\u6784\u4ee3\u7801\u3002\u4e0d\u7528ScrollView\u4e86\u3002\u76f4\u63a5\u7528\u4e00\u4e2aListView\uff0c\u7136\u540eadd\u4e00\u4e2aheaderView\u5b58\u653e\u5176\u5b83\u5185\u5bb9\u3002\u56e0\u4e3a\u63a7\u4ef6\u5c01\u88c5\u5f97\u8fd8\u7b97\u597d\uff0c\u6ca1\u6539\u591a\u5c11\u5e03\u5c40\u5c31OK\u4e86\uff0c\u4e00\u8fd0\u884c\uff0c\u6d41\u7545\u987a\u6ed1\uff0c\u4e00\u5207\u8fce\u5203\u800c\u89e3\uff01<\/p>\n<p>\u672c\u6765\u5c31\u662f\u8fd9\u4e48\u7b80\u5355\u7684\u95ee\u9898\uff0c\u4e3a\u4ec0\u4e48\u975e\u5f97\u7528ScrollView\u5d4c\u5957\u5462\uff1f<\/p>\n<p>stackoverflow\u65e9\u5c31\u544a\u8bc9\u4f60\u4e86\uff0c\u4e0d\u8981\u8fd9\u6837\u5d4c\u5957\uff01\u4e0d\u8981\u8fd9\u6837\u5d4c\u5957\uff01\u4e0d\u8981\u8fd9\u6837\u5d4c\u5957\uff01\u91cd\u8981\u7684\u4e8b\u60c5\u8bf4\u4e09\u904d\u3002<\/p>\n<p><a title=\"ListView inside ScrollView is not scrolling on Android\" href=\"http:\/\/stackoverflow.com\/questions\/6210895\/listview-inside-scrollview-is-not-scrolling-on-android\" target=\"_blank\">ListView inside ScrollView is not scrolling on Android<\/a><\/p>\n<p>\u5f53\u7136\uff0c\u4eceandroid 5.0 Lollipop\u5f00\u59cb\u63d0\u4f9b\u4e86\u4e00\u79cd\u65b0\u7684API\u652f\u6301\u5d4c\u5165\u6ed1\u52a8\uff0c\u6b64\u65f6\uff0c\u8ba9\u50cf\u8fd9\u6837\u7684\u9700\u6c42\u4e5f\u80fd\u5f88\u597d\u5b9e\u73b0\u3002<\/p>\n<p>\u6b64\u5904\u7ed9\u4e00\u4e2a\u7f51\u5740\uff0c\u5927\u5bb6\u6709\u5174\u8da3\u81ea\u884c\u4e86\u89e3\uff0c\u6b64\u5904\u4e0d\u518d\u8ba8\u8bba\u3002<\/p>\n<p><a title=\"Android NestedScrolling \u5b9e\u6218\" href=\"http:\/\/www.race604.com\/android-nested-scrolling\/\" target=\"_blank\">Android NestedScrolling \u5b9e\u6218<\/a><\/p>\n<h2>7\u3001EmojiconTextView\u7684setText(null)<\/h2>\n<p>\u8fd9\u662f\u5f00\u6e90\u8868\u60c5\u5e93com.rockerhieu.emojicon\u4e2d\u7684TextView\u52a0\u5f3a\u7248\u3002\u76f8\u4fe1\u5f88\u591a\u4eba\u7528\u5230\u8fc7\u8fd9\u4e2a\u5f00\u6e90\u5de5\u5177\u5305\u3002TextView\u7528setText(null)\u5b8c\u5168\u6ca1\u95ee\u9898\u3002\u4f46EmojiconTextView setText(null)\u540e\u5c31\u60b2\u5267\u4e86\uff0c\u76f4\u63a5crash\uff0c\u663e\u793a\u7684\u662fnull pointer\u3002\u5f00\u59cb\u6211\u6000\u7591\u65f6\u8fd9\u4e2aview\u6ca1\u521d\u59cb\u5316\uff0c\u4f46\u5e76\u4e0d\u662f\u3002\u90a3\u5c31\u8c03\u8bd5\u4e00\u4e0b\u5457\u3002<\/p>\n<div>\n<div id=\"crayon-56ab739869ef6288043524\" class=\"crayon-syntax crayon-theme-eclipse crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" touchscreen minimize scroll-mouseover\">\n<div class=\"crayon-toolbar\" data-settings=\" show\"><\/div>\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"show\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ef6288043524-1\">1<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ef6288043524-2\">2<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ef6288043524-3\">3<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ef6288043524-4\">4<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869ef6288043524-5\">5<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869ef6288043524-6\">6<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-56ab739869ef6288043524-1\" class=\"crayon-line\"><span class=\"crayon-sy\">@<\/span><span class=\"crayon-e\">Override<\/span><\/div>\n<div id=\"crayon-56ab739869ef6288043524-2\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-m\">public<\/span> <span class=\"crayon-t\">void<\/span> <span class=\"crayon-e\">setText<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-e\">CharSequence <\/span><span class=\"crayon-v\">text<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-e\">BufferType <\/span><span class=\"crayon-v\">type<\/span><span class=\"crayon-sy\">)<\/span> <span class=\"crayon-sy\">{<\/span><\/div>\n<div id=\"crayon-56ab739869ef6288043524-3\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-e\">SpannableStringBuilder <\/span><span class=\"crayon-v\">builder<\/span> <span class=\"crayon-o\">=<\/span> <span class=\"crayon-r\">new<\/span> <span class=\"crayon-e\">SpannableStringBuilder<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">text<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869ef6288043524-4\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-v\">EmojiconHandler<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">addEmojis<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-e\">getContext<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">builder<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">mEmojiconSize<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869ef6288043524-5\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-r\">super<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">setText<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">builder<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">type<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869ef6288043524-6\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-sy\">}<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<p>EmojiconTextView\u4e2d\u7684setText\u770b\u6765\u6ca1\u4ec0\u4e48\u95ee\u9898\u3002\u70b9SpannableStringBuilder\u8fdb\u53bb\u770b\u770b\uff0c\u6e90\u7801\u539f\u6765\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n<div>\n<div id=\"crayon-56ab739869efa739872577\" class=\"crayon-syntax crayon-theme-eclipse crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" touchscreen minimize scroll-mouseover\">\n<div class=\"crayon-toolbar\" data-settings=\" show\"><\/div>\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"show\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869efa739872577-1\">1<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869efa739872577-2\">2<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869efa739872577-3\">3<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869efa739872577-4\">4<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869efa739872577-5\">5<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869efa739872577-6\">6<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869efa739872577-7\">7<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-56ab739869efa739872577-1\" class=\"crayon-line\"><span class=\"crayon-c\">\/**<\/span><\/div>\n<div id=\"crayon-56ab739869efa739872577-2\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-c\"> * Create a new SpannableStringBuilder containing a copy of the<\/span><\/div>\n<div id=\"crayon-56ab739869efa739872577-3\" class=\"crayon-line\"><span class=\"crayon-c\"> * specified text, including its spans if any.<\/span><\/div>\n<div id=\"crayon-56ab739869efa739872577-4\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-c\"> *\/<\/span><\/div>\n<div id=\"crayon-56ab739869efa739872577-5\" class=\"crayon-line\"><span class=\"crayon-m\">public<\/span> <span class=\"crayon-e\">SpannableStringBuilder<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-e\">CharSequence <\/span><span class=\"crayon-v\">text<\/span><span class=\"crayon-sy\">)<\/span> <span class=\"crayon-sy\">{<\/span><\/div>\n<div id=\"crayon-56ab739869efa739872577-6\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-r\">this<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">text<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-cn\">0<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">text<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">length<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869efa739872577-7\" class=\"crayon-line\"><span class=\"crayon-sy\">}<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<p>\u597d\u5427\u3002\u95ee\u9898\u5df2\u7ecf\u627e\u5230\u4e86\uff0ctext.length()\uff0c\u4e0d\u7a7a\u6307\u9488\u624d\u602a\u3002<\/p>\n<div>\n<div id=\"crayon-56ab739869efe028771360\" class=\"crayon-syntax crayon-theme-eclipse crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" touchscreen minimize scroll-mouseover\">\n<div class=\"crayon-toolbar\" data-settings=\" show\"><\/div>\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"show\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869efe028771360-1\">1<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869efe028771360-2\">2<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-56ab739869efe028771360-1\" class=\"crayon-line\"><span class=\"crayon-v\">text<\/span> <span class=\"crayon-o\">=<\/span> <span class=\"crayon-v\">text<\/span> <span class=\"crayon-o\">==<\/span> <span class=\"crayon-t\">null<\/span> <span class=\"crayon-sy\">?<\/span> <span class=\"crayon-s\">&#8220;&#8221;<\/span> <span class=\"crayon-o\">:<\/span> <span class=\"crayon-v\">text<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869efe028771360-2\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-e\">SpannableStringBuilder <\/span><span class=\"crayon-v\">builder<\/span> <span class=\"crayon-o\">=<\/span> <span class=\"crayon-r\">new<\/span> <span class=\"crayon-e\">SpannableStringBuilder<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">text<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<p>\u52a0\u4e00\u884c\u5224\u65ad\u5c31\u884c\u4e86\u3002<\/p>\n<h2>8\u3001cursor.close()<\/h2>\n<p>\u4e00\u822c\u6765\u8bf4\uff0cdatabase\u7684\u5f00\u548c\u5173\u4e0d\u592a\u4f1a\u5fd8\u8bb0\uff0c\u4f46\u6e38\u6807\u7684\u4f7f\u7528\u53ef\u80fd\u5e76\u4e0d\u4f1a\u5f15\u8d77\u592a\u591a\u91cd\u89c6\uff0c\u5c24\u5176\u662f\u6e38\u6807\u7684\u968f\u610f\u4f7f\u7528\u3002\u6bd4\u5982\u7528ContentResolver\u7ed3\u5408Cursor\u67e5\u8be2SD\u5361\u4e2d\u56fe\u7247\uff0c\u5f88\u5bb9\u6613\u5199\u51fa\u4ee5\u4e0b\u7684\u4ee3\u7801\uff1a<\/p>\n<div>\n<div id=\"crayon-56ab739869f01435831536\" class=\"crayon-syntax crayon-theme-eclipse crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" touchscreen minimize scroll-mouseover\">\n<div class=\"crayon-toolbar\" data-settings=\" show\"><\/div>\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"show\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869f01435831536-1\">1<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869f01435831536-2\">2<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869f01435831536-3\">3<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869f01435831536-4\">4<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869f01435831536-5\">5<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869f01435831536-6\">6<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-56ab739869f01435831536-1\" class=\"crayon-line\"><span class=\"crayon-e\">Cursor <\/span><span class=\"crayon-v\">cursor<\/span> <span class=\"crayon-o\">=<\/span> <span class=\"crayon-v\">contentResolver<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">query<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">uri<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-t\">null<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">MediaStore<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">Images<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">Media<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">MIME_TYPE<\/span> <span class=\"crayon-o\">+<\/span> <span class=\"crayon-s\">&#8220;=? or &#8220;<\/span><\/div>\n<div id=\"crayon-56ab739869f01435831536-2\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-o\">+<\/span> <span class=\"crayon-v\">MediaStore<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">Images<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">Media<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">MIME_TYPE<\/span> <span class=\"crayon-o\">+<\/span> <span class=\"crayon-s\">&#8220;=?&#8221;<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-r\">new<\/span> <span class=\"crayon-t\">String<\/span><span class=\"crayon-sy\">[<\/span><span class=\"crayon-sy\">]<\/span> <span class=\"crayon-sy\">{<\/span> <span class=\"crayon-s\">&#8220;image\/jpeg&#8221;<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-s\">&#8220;image\/png&#8221;<\/span> <span class=\"crayon-sy\">}<\/span><span class=\"crayon-sy\">,<\/span><\/div>\n<div id=\"crayon-56ab739869f01435831536-3\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-v\">MediaStore<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">Images<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">Media<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">DATE_MODIFIED<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869f01435831536-4\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-st\">while<\/span> <span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">cursor<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">moveToNext<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">)<\/span> <span class=\"crayon-sy\">{<\/span><\/div>\n<div id=\"crayon-56ab739869f01435831536-5\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-c\">\/\/ TODO\u00a0\u00a0\u00a0\u00a0 <\/span><\/div>\n<div id=\"crayon-56ab739869f01435831536-6\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-sy\">}<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<p>cursor\u90fd\u4e0d\u505a\u975e\u7a7a\u5224\u65ad\uff0c\u800c\u4e14\u5f80\u5f80\u5728\u5173\u95ed\u6e38\u6807\u7684\u65f6\u5019\u4e0d\u6ce8\u610f\u6709\u53ef\u80fd\u5f02\u5e38\u629b\u51fa\u3002<\/p>\n<p>\u4ee5\u524d\u5728\u9879\u76ee\u4e2d\uff0c\u7ecf\u5e38\u51fa\u73b0\u7531\u4e8e\u6e38\u6807\u6ca1\u53ca\u65f6\u5173\u95ed\u6216\u5173\u95ed\u51fa\u5f02\u5e38\u6ca1\u5904\u7406\u597d\u5bfc\u81f4\u5176\u5b83\u7684\u95ee\u9898\u4ea7\u751f\uff0c\u800c\u4e14\u95ee\u9898\u770b\u8d77\u6765\u975e\u5e38\u7684\u8be1\u5f02\uff0c\u4e0d\u597d\u89e3\u51b3\u3002\u540e\u6765\uff0c\u6211\u628a\u6574\u4e2a\u9879\u76ee\u4e2d\u6709\u5173\u6e38\u6807\u7684\u4f7f\u7528\u91cd\u6784\u4e00\u904d\uff0c\u540e\u6765\u5c31\u518d\u6ca1\u53d1\u751f\u8fc7\u7c7b\u4f3c\u7684\u95ee\u9898\u3002<\/p>\n<p>\u539f\u5219\u5f88\u7b80\u5355\uff0c\u6240\u6709Cursor\u7684\u58f0\u660e\u4e3a\uff1a<\/p>\n<div>\n<div id=\"crayon-56ab739869f05143933641\" class=\"crayon-syntax crayon-theme-eclipse crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" touchscreen minimize scroll-mouseover\">\n<div class=\"crayon-toolbar\" data-settings=\" show\"><\/div>\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"show\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869f05143933641-1\">1<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-56ab739869f05143933641-1\" class=\"crayon-line\"><span class=\"crayon-e\">Cursor <\/span><span class=\"crayon-v\">cursor<\/span> <span class=\"crayon-o\">=<\/span> <span class=\"crayon-t\">null<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<p>\u4e14\u653e\u5728try-catch\u5916\u9762\uff1b\u9700\u8981\u7528\u5230cursor\uff0c\u5148\u505a\u975e\u7a7a\u5224\u65ad\u3002\u7136\u540e\u5728\u65b9\u6cd5\u7684\u6700\u540e\u7528\u4e00\u4e2a\u5de5\u5177\u7c7b\u5904\u7406\u6e38\u6807\u7684\u5173\u95ed\u3002<\/p>\n<div>\n<div id=\"crayon-56ab739869f09965812426\" class=\"crayon-syntax crayon-theme-eclipse crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" touchscreen minimize scroll-mouseover\">\n<div class=\"crayon-toolbar\" data-settings=\" show\"><\/div>\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"show\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869f09965812426-1\">1<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869f09965812426-2\">2<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869f09965812426-3\">3<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869f09965812426-4\">4<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869f09965812426-5\">5<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869f09965812426-6\">6<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869f09965812426-7\">7<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869f09965812426-8\">8<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869f09965812426-9\">9<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869f09965812426-10\">10<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869f09965812426-11\">11<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869f09965812426-12\">12<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869f09965812426-13\">13<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869f09965812426-14\">14<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869f09965812426-15\">15<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869f09965812426-16\">16<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869f09965812426-17\">17<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869f09965812426-18\">18<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869f09965812426-19\">19<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869f09965812426-20\">20<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869f09965812426-21\">21<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869f09965812426-22\">22<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869f09965812426-23\">23<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869f09965812426-24\">24<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869f09965812426-25\">25<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869f09965812426-26\">26<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869f09965812426-27\">27<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869f09965812426-28\">28<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-56ab739869f09965812426-1\" class=\"crayon-line\"><span class=\"crayon-c\">\/**<\/span><\/div>\n<div id=\"crayon-56ab739869f09965812426-2\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-c\"> * @author Leo<\/span><\/div>\n<div id=\"crayon-56ab739869f09965812426-3\" class=\"crayon-line\"><span class=\"crayon-c\"> * <\/span><\/div>\n<div id=\"crayon-56ab739869f09965812426-4\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-c\"> *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Created in 2015-9-15<\/span><\/div>\n<div id=\"crayon-56ab739869f09965812426-5\" class=\"crayon-line\"><span class=\"crayon-c\"> *\/<\/span><\/div>\n<div id=\"crayon-56ab739869f09965812426-6\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-m\">public<\/span> <span class=\"crayon-t\">class<\/span> <span class=\"crayon-e\">IOUtil<\/span> <span class=\"crayon-sy\">{<\/span><\/div>\n<div id=\"crayon-56ab739869f09965812426-7\" class=\"crayon-line\"><\/div>\n<div id=\"crayon-56ab739869f09965812426-8\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-m\">private<\/span> <span class=\"crayon-e\">IOUtil<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-sy\">)<\/span> <span class=\"crayon-sy\">{<\/span><\/div>\n<div id=\"crayon-56ab739869f09965812426-9\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-sy\">}<\/span><\/div>\n<div id=\"crayon-56ab739869f09965812426-10\" class=\"crayon-line crayon-striped-line\"><\/div>\n<div id=\"crayon-56ab739869f09965812426-11\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-m\">public<\/span> <span class=\"crayon-m\">static<\/span> <span class=\"crayon-t\">void<\/span> <span class=\"crayon-e\">closeQuietly<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-e\">Closeable <\/span><span class=\"crayon-v\">closeable<\/span><span class=\"crayon-sy\">)<\/span> <span class=\"crayon-sy\">{<\/span><\/div>\n<div id=\"crayon-56ab739869f09965812426-12\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-st\">if<\/span> <span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">closeable<\/span> <span class=\"crayon-o\">!=<\/span> <span class=\"crayon-t\">null<\/span><span class=\"crayon-sy\">)<\/span> <span class=\"crayon-sy\">{<\/span><\/div>\n<div id=\"crayon-56ab739869f09965812426-13\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-st\">try<\/span> <span class=\"crayon-sy\">{<\/span><\/div>\n<div id=\"crayon-56ab739869f09965812426-14\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-v\">closeable<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">close<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869f09965812426-15\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-sy\">}<\/span> <span class=\"crayon-st\">catch<\/span> <span class=\"crayon-sy\">(<\/span><span class=\"crayon-i\">Throwable<\/span> <span class=\"crayon-v\">e<\/span><span class=\"crayon-sy\">)<\/span> <span class=\"crayon-sy\">{<\/span><\/div>\n<div id=\"crayon-56ab739869f09965812426-16\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-sy\">}<\/span><\/div>\n<div id=\"crayon-56ab739869f09965812426-17\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-sy\">}<\/span><\/div>\n<div id=\"crayon-56ab739869f09965812426-18\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-sy\">}<\/span><\/div>\n<div id=\"crayon-56ab739869f09965812426-19\" class=\"crayon-line\"><\/div>\n<div id=\"crayon-56ab739869f09965812426-20\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-m\">public<\/span> <span class=\"crayon-m\">static<\/span> <span class=\"crayon-t\">void<\/span> <span class=\"crayon-e\">closeQuietly<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-e\">Cursor <\/span><span class=\"crayon-v\">cursor<\/span><span class=\"crayon-sy\">)<\/span> <span class=\"crayon-sy\">{<\/span><\/div>\n<div id=\"crayon-56ab739869f09965812426-21\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-st\">if<\/span> <span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">cursor<\/span> <span class=\"crayon-o\">!=<\/span> <span class=\"crayon-t\">null<\/span><span class=\"crayon-sy\">)<\/span> <span class=\"crayon-sy\">{<\/span><\/div>\n<div id=\"crayon-56ab739869f09965812426-22\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-st\">try<\/span> <span class=\"crayon-sy\">{<\/span><\/div>\n<div id=\"crayon-56ab739869f09965812426-23\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-v\">cursor<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">close<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869f09965812426-24\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-sy\">}<\/span> <span class=\"crayon-st\">catch<\/span> <span class=\"crayon-sy\">(<\/span><span class=\"crayon-i\">Throwable<\/span> <span class=\"crayon-v\">e<\/span><span class=\"crayon-sy\">)<\/span> <span class=\"crayon-sy\">{<\/span><\/div>\n<div id=\"crayon-56ab739869f09965812426-25\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-sy\">}<\/span><\/div>\n<div id=\"crayon-56ab739869f09965812426-26\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-sy\">}<\/span><\/div>\n<div id=\"crayon-56ab739869f09965812426-27\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-sy\">}<\/span><\/div>\n<div id=\"crayon-56ab739869f09965812426-28\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-sy\">}<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<p>\u6211\u60f3\uff0c\u8fd9\u6837\u5c31\u6ca1\u5fc5\u8981\u5728\u6bcf\u4e2a\u5730\u65b9\u90fdtry-catch-finally\u4e86\u3002<\/p>\n<h2>9\u3001java.lang.String cannot be converted to JSONObject<\/h2>\n<p>\u89e3\u6790\u670d\u52a1\u7aef\u8fd4\u56de\u7684JSON\u5b57\u7b26\u4e32\u65f6\uff0c\u5c45\u7136\u629b\u51fa\u4e86\u8fd9\u4e2a\u5f02\u5e38\u3002\u8c03\u8bd5\u6ca1\u53d1\u73b0\u4efb\u4f55\u95ee\u9898\uff0c\u770b\u8d77\u6765\u662f\u6b63\u5e38\u7684JSON\u683c\u5f0f\u3002\u540e\u6765\u53d1\u73b0\u5c45\u7136\u662fJSON\u4e32\u591a\u4e86BOM\uff08Byte Order Mark\uff09\u3002\u670d\u52a1\u7aef\u7684\u4ee3\u7801\u7531PHP\u5b9e\u73b0\uff0c\u6709\u65f6\u5f00\u53d1\u4e3a\u4e86\u4fee\u6539\u65b9\u4fbf\uff0c\u76f4\u63a5\u7528windows\u8bb0\u4e8b\u672c\u6253\u5f00\u4fdd\u5b58\uff0c\u5f15\u5165\u4e86\u4eba\u773c\u770b\u4e0d\u5230\u7684\u95ee\u9898\u3002\u5176\u5b9e\u5c31\u662f\u591a\u4e86\u201dufeff\u201d\u8fd9\u4e2a\u73a9\u610f\uff0c\u5ba2\u6237\u7aef\u4ee3\u7801\u8fc7\u6ee4\u4e00\u4e0b\u5c31\u884c\u4e86\u3002<\/p>\n<div>\n<div id=\"crayon-56ab739869f0d674383238\" class=\"crayon-syntax crayon-theme-eclipse crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" touchscreen minimize scroll-mouseover\">\n<div class=\"crayon-toolbar\" data-settings=\" show\"><\/div>\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"show\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869f0d674383238-1\">1<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869f0d674383238-2\">2<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869f0d674383238-3\">3<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869f0d674383238-4\">4<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869f0d674383238-5\">5<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869f0d674383238-6\">6<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869f0d674383238-7\">7<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-56ab739869f0d674383238-8\">8<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-56ab739869f0d674383238-1\" class=\"crayon-line\"><span class=\"crayon-c\">\/\/ in case: Value of type java.lang.String cannot be converted to JSONObject<\/span><\/div>\n<div id=\"crayon-56ab739869f0d674383238-2\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-c\">\/\/ Remove the BOM header<\/span><\/div>\n<div id=\"crayon-56ab739869f0d674383238-3\" class=\"crayon-line\"><span class=\"crayon-st\">if<\/span> <span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">jsonStr<\/span> <span class=\"crayon-o\">!=<\/span> <span class=\"crayon-t\">null<\/span><span class=\"crayon-sy\">)<\/span> <span class=\"crayon-sy\">{<\/span><\/div>\n<div id=\"crayon-56ab739869f0d674383238-4\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-v\">jsonStr<\/span> <span class=\"crayon-o\">=<\/span> <span class=\"crayon-v\">jsonStr<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">trim<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869f0d674383238-5\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-st\">if<\/span> <span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">jsonStr<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">startsWith<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-s\">&#8220;ufeff&#8221;<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">)<\/span> <span class=\"crayon-sy\">{<\/span><\/div>\n<div id=\"crayon-56ab739869f0d674383238-6\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-v\">jsonStr<\/span> <span class=\"crayon-o\">=<\/span> <span class=\"crayon-v\">jsonStr<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">substring<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-cn\">1<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div id=\"crayon-56ab739869f0d674383238-7\" class=\"crayon-line\"><span class=\"crayon-h\">\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"crayon-sy\">}<\/span><\/div>\n<div id=\"crayon-56ab739869f0d674383238-8\" class=\"crayon-line crayon-striped-line\"><span class=\"crayon-sy\">}<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<h2>10\u3001Shape round rect too large to be rendered into a texture<\/h2>\n<p>\u5706\u5f62\u77e9\u5f62\u592a\u5927\uff1f<\/p>\n<p>\u4e00\u5f00\u59cb\u6211\u53d1\u73b0\u4e00\u4e2aacitivity\u4e2d\u7684scrollView\u6ed1\u52a8\u4e00\u987f\u4e00\u987f\u7684\uff0c\u800c\u5b9e\u9645\u4e0a\u6ca1\u6709\u5d4c\u5957\u4efb\u4f55\u7684\u5217\u8868\u63a7\u4ef6\u5982ListView\u3001GridView\uff0c\u5305\u542b\u7684\u65e0\u975e\u662f\u4e00\u4e9bTextView\u3001ImagView\u7b49\u3002\u770b\u4e86\u4e0bEclipse\u4e2dlog\u8f93\u51fa\uff0c\u53d1\u73b0\u51fa\u73b0\u4e86\u8fd9\u4e2awarn\u7ea7\u522b\u7684\u63d0\u793a\u3002\u96be\u9053\u662f\u6211\u5728\u5916\u5c42\u5d4c\u5957\u4e86\u8fd9\u4e2a\u5706\u5f62\u77e9\u5f62\uff1f\u6211\u5728\u5f88\u591a\u5730\u65b9\u90fd\u7528\u4e86\u5440\uff0c\u4e3a\u4f55\u5c31\u8fd9\u4e2a\u754c\u9762\u51fa\u73b0\u95ee\u9898\u4e86\uff1f<\/p>\n<p>\u540e\u6765\u624d\u53d1\u73b0\uff0c\u8fd9\u4e2a\u5706\u5f62\u77e9\u5f62\u5305\u542b\u7684\u5185\u5bb9\u592a\u591a\u4e86\uff0c\u5df2\u7ecf\u8d85\u51fa\u4e86\u624b\u673a\u7684\u9ad8\u5ea6\uff0c\u800c\u4e14\u53ef\u4ee5\u6ed1\u597d\u51e0\u9875\u3002<\/p>\n<p>StackOverFlow\u4e0a\u6709\u4eba\u8bf4\uff1aThe easiest solution is to get rid of the rounded corners. If you remove the rounded corners and use a simple rectangle, the hardware renderer will no longer create a single large texture for the background layer, and won\u2019t run into the texture size limit any more.<\/p>\n<p>\u4e5f\u6709\u5efa\u8bae\uff1ato draw onto the canvas.<\/p>\n<p>\u5177\u4f53\u94fe\u63a5\uff1a<a title=\"How Do Solve Shape round rect too large to be rendered into a texture\" href=\"http:\/\/stackoverflow.com\/questions\/14519025\/how-do-solve-shape-round-rect-too-large-to-be-rendered-into-a-texture-in-android\" target=\"_blank\">How Do Solve Shape round rect too large to be rendered into a texture<\/a><\/p>\n<p>\u6211\u8bd5\u4e86\u4e0b\u81ea\u5b9a\u4e49\u63a7\u4ef6LinearLayout\uff0c\u901a\u8fc7canvas\u8fdb\u884cdraw\uff0c\u6ca1\u80fd\u89e3\u51b3\u3002\u53bb\u6389radius\u5c5e\u6027\u786e\u5b9e\u53ef\u884c\uff0c\u53ef\u6211\u60f3\u4fdd\u7559\u600e\u4e48\u529e\uff1f<\/p>\n<p>\u8fd8\u6709\u4e00\u4e2a\u89e3\u51b3\u529e\u6cd5\uff0c\u901a\u8fc7\u5728androidManifest.xml\u4e2d\u7981\u7528\u786c\u4ef6\u52a0\u901f\uff0c\u4e3a\u4e86\u63a7\u5236\u7c92\u5ea6\uff0c\u6211\u53ea\u5728\u6b64activity\u4e2d\u7981\u7528\u6b64\u529f\u80fd\u3002<\/p>\n<div>\n<div id=\"crayon-56ab739869f11253779587\" class=\"crayon-syntax crayon-theme-eclipse crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" touchscreen minimize scroll-mouseover\">\n<div class=\"crayon-toolbar\" data-settings=\" show\"><\/div>\n<div class=\"crayon-plain-wrap\"><\/div>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"show\">\n<div class=\"crayon-nums-content\">\n<div class=\"crayon-num\" data-line=\"crayon-56ab739869f11253779587-1\">1<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<div id=\"crayon-56ab739869f11253779587-1\" class=\"crayon-line\"><span class=\"crayon-o\">&lt;<\/span><span class=\"crayon-e\">activity <\/span><span class=\"crayon-v\">android<\/span><span class=\"crayon-o\">:<\/span><span class=\"crayon-v\">hardwareaccelerated<\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-s\">&#8220;false&#8221;<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-o\">&gt;<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<p>\u5148\u60f3\u5230\u8fd9\u4e48\u591a\uff0c\u4ee5\u540e\u518d\u8865\u5145\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u53c2\u8003\uff1a<\/p>\n<p><a title=\"android:clipToPadding\u548candroid:clipChildren\" href=\"http:\/\/www.alloyteam.com\/2014\/10\/androidcliptopadding-he-androidclipchildren\/\" target=\"_blank\">android:clipToPadding\u548candroid:clipChildren<\/a><\/p>\n<p><a title=\"HowTo: ListView, Adapter, getView and different list items\u2019 layouts in one ListView\" href=\"http:\/\/android.amberfog.com\/?p=296\" target=\"_blank\">HowTo: ListView, Adapter, getView and different list items\u2019 layouts in one ListView<\/a><\/p>\n<p><a title=\"android ListView \u5728\u521d\u59cb\u5316\u65f6\u591a\u6b21\u8c03\u7528getView()\u539f\u56e0\u5206\u6790\" href=\"http:\/\/www.cnblogs.com\/linjzong\/p\/3494090.html\" target=\"_blank\">android ListView \u5728\u521d\u59cb\u5316\u65f6\u591a\u6b21\u8c03\u7528getView()\u539f\u56e0\u5206\u6790<\/a><\/p>\n<p><a title=\"java.lang.IllegalArgumentException: pointerIndex out of range Exception - dispatchTouchEvent\" href=\"http:\/\/stackoverflow.com\/questions\/16459196\/java-lang-illegalargumentexception-pointerindex-out-of-range-exception-dispat\" target=\"_blank\">java.lang.IllegalArgumentException: pointerIndex out of range Exception \u2013 dispatchTouchEvent<\/a><\/p>\n<p><a title=\"What is difference between getSupportFragmentManager() and getChildFragmentManager()?\" href=\"http:\/\/stackoverflow.com\/questions\/14740445\/what-is-difference-between-getsupportfragmentmanager-and-getchildfragmentmanag\" target=\"_blank\">What is difference between getSupportFragmentManager() and getChildFragmentManager()?<\/a><\/p>\n<p>\u539f\u6587\u51fa\u5904\uff1a <a href=\"http:\/\/www.cnblogs.com\/lao-liang\/p\/4941653.html\" target=\"_blank\">LeoLiang<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1\u3001android:clipToPadding \u610f\u601d\u662f\u63a7\u4ef6\u7684\u7ed8\u5236\u533a\u57df\u662f\u5426\u5728padding\u91cc\u9762\u3002\u9ed8\u8ba4\u4e3atrue\u3002 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[45],"tags":[],"_links":{"self":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/1181"}],"collection":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1181"}],"version-history":[{"count":6,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/1181\/revisions"}],"predecessor-version":[{"id":2157,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/1181\/revisions\/2157"}],"wp:attachment":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1181"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1181"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1181"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}