{"id":995,"date":"2015-09-08T16:42:40","date_gmt":"2015-09-08T08:42:40","guid":{"rendered":"https:\/\/ai.zhousir.top\/?p=995"},"modified":"2026-08-18T12:58:44","modified_gmt":"2026-08-18T04:58:44","slug":"android%e4%ba%8b%e4%bb%b6%e5%a4%84%e7%90%86%e6%9c%ba%e5%88%b6","status":"publish","type":"post","link":"https:\/\/ai.zhousir.top\/?p=995","title":{"rendered":"Android\u4e8b\u4ef6\u5904\u7406\u673a\u5236"},"content":{"rendered":"
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Android \u4e8b\u4ef6\u5904\u7406\u66f4\u51c6\u786e\u7684\u8bf4\u6cd5\u662f\u300c\u5206\u53d1\u3001\u62e6\u622a\u3001\u5904\u7406\u300d\u3002\u6838\u5fc3\u662f\u4e09\u4e2a\u65b9\u6cd5\uff1adispatchTouchEvent<\/code>\u3001onInterceptTouchEvent<\/code>\u3001onTouchEvent<\/code>\u3002<\/p>\n<\/blockquote>\n

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\u4e00\u3001\u4e09\u4e2a\u65b9\u6cd5\u5404\u7ba1\u4ec0\u4e48<\/span><\/h2>\n

dispatchTouchEvent<\/code> \u51b3\u5b9a\u4e8b\u4ef6\u662f\u5426\u5206\u53d1\u3002TouchEvent \u53d1\u751f\u65f6\u5148\u5230\u9876\u5c42 Activity \u7684 dispatchTouchEvent\uff1a\u8fd4\u56de true \u6216 false \u8868\u793a\u88ab\u81ea\u8eab\u6d88\u8d39\uff1b\u8fd4\u56de super.dispatchTouchEvent(ev)<\/code> \u624d\u4ea4\u7ed9\u4e0b\u4e00\u5c42\u7ee7\u7eed\u5206\u53d1\u3002<\/p>\n

onInterceptTouchEvent<\/code> \u51b3\u5b9a\u662f\u5426\u7ee7\u7eed\u5411\u4e0b\u4f20\u3002\u8fd4\u56de false \u6216 super \u65f6\u4f20\u7ed9\u5b50 View\uff1b\u8fd4\u56de true \u5219\u62e6\u622a\uff0c\u4ea4\u7ed9\u5f53\u524d ViewGroup \u7684 onTouchEvent()<\/code>\uff0c\u8fd9\u5c31\u662f Intercept\u3002<\/p>\n

onTouchEvent<\/code> \u5904\u7406\u4e8b\u4ef6\uff08\u65b9\u5411\u662f\u5b50 View \u2192 \u7236 View\uff09\u3002\u8fd4\u56de true \u8868\u793a\u6d88\u8d39\uff0c\u7236 View \u7684 onTouchEvent \u4e0d\u518d\u6267\u884c\uff1b\u8fd4\u56de false \u6216 super \u8868\u793a\u4e0d\u5904\u7406\uff0c\u4ea4\u7ed9\u7236 View\u3002<\/p>\n

\u4e00\u6b21\u70b9\u51fb\u901a\u5e38\u5305\u542b Down\u3001Move\u3001Up\u3002\u5bf9 ACTION_DOWN<\/code> \u8fd4\u56de true\uff0c\u8868\u793a\u540e\u7eed\u4e8b\u4ef6\u6211\u4e5f\u8981\uff1b\u8fd4\u56de false \u8868\u793a\u4e0d\u5173\u5fc3\uff0c\u4ea4\u7236\u7c7b\u3002\u7279\u522b\u6ce8\u610f\uff1aACTION_MOVE<\/code> \/ ACTION_UP<\/code> \u7684\u524d\u63d0\u662f\u66fe\u7ecf\u53d1\u751f\u8fc7 ACTION_DOWN<\/code>\u3002\u6ca1\u6d88\u8d39 DOWN\uff0c\u7cfb\u7edf\u4f1a\u5f53 DOWN \u6ca1\u53d1\u751f\u8fc7\uff0c\u540e\u7eed MOVE\/UP \u4e5f\u6293\u4e0d\u5230\u3002<\/p>\n\n\n\n\n\n\n\n
\u65b9\u6cd5<\/th>\n\u6240\u5728\u5c42\u7ea7<\/th>\n\u8fd4\u56de true<\/th>\n\u8fd4\u56de false \/ super<\/th>\n<\/tr>\n<\/thead>\n
dispatchTouchEvent<\/td>\nActivity \/ ViewGroup \/ View<\/td>\n\u81ea\u8eab\u6d88\u8d39<\/td>\nsuper\uff1a\u7ee7\u7eed\u5f80\u4e0b\u5206\u53d1<\/td>\n<\/tr>\n
onInterceptTouchEvent<\/td>\n\u4ec5 ViewGroup<\/td>\n\u62e6\u622a\uff0c\u4ea4\u7ed9\u81ea\u5df1\u7684 onTouchEvent<\/td>\n\u4e0d\u62e6\u622a\uff0c\u4f20\u7ed9\u5b50 View<\/td>\n<\/tr>\n
onTouchEvent<\/td>\nView \/ ViewGroup<\/td>\n\u6d88\u8d39\uff0c\u7236\u7ea7\u4e0d\u518d\u5904\u7406<\/td>\n\u4e0d\u6d88\u8d39\uff0c\u56de\u4f20\u7236\u7ea7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
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\u4e8c\u3001\u793a\u4f8b\u5e03\u5c40<\/span><\/h2>\n

\u4e09\u5c42\u81ea\u5b9a\u4e49\u63a7\u4ef6\uff1aRootLayout \u2192 TwotLayout \u2192 ChildTextView\u3002<\/p>\n

\"QQ\u255c\u256a\u2550\u255d20150908162106\"<\/a><\/p>\n

<?xml version="1.0" encoding="utf-8"?>\n<com.scxh.android1502.event.RootLayout xmlns:android="http:\/\/schemas.android.com\/apk\/res\/android"\n    android:layout_width="match_parent"\n    android:layout_height="match_parent"\n    android:orientation="vertical" >\n\n    <com.scxh.android1502.event.TwotLayout\n        android:layout_width="match_parent"\n        android:layout_height="match_parent"\n        android:orientation="vertical" >\n\n        <com.scxh.android1502.event.ChildTextView\n            android:id="@+id\/event_text"\n            android:layout_width="match_parent"\n            android:layout_height="wrap_content"\n            android:text="android\u4e8b\u4ef6\u5904\u7406\u673a\u5236" \/>\n\n    <\/com.scxh.android1502.event.TwotLayout>\n\n<\/com.scxh.android1502.event.RootLayout><\/code><\/pre>\n
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\u4e09\u3001\u6d4b\u8bd5\u4ee3\u7801<\/span><\/h2>\n
public class RootLayout extends LinearLayout {\n\n    public RootLayout(Context context, AttributeSet attrs) {\n        super(context, attrs);\n    }\n\n    @Override\n    public boolean onInterceptTouchEvent(MotionEvent ev) {\n        Logs.d("RootLayout   onInterceptTouchEvent >>>>>>>");\n        return false;\n    }\n\n    @Override\n    public boolean onTouchEvent(MotionEvent event) {\n        switch (event.getAction()) {\n        case MotionEvent.ACTION_UP:\n            Logs.i("RootLayout onTouchEvent \u4e8b\u4ef6 ACTION_UP>>>>>>>>");\n            break;\n        case MotionEvent.ACTION_MOVE:\n            Logs.v("RootLayout onTouchEvent \u4e8b\u4ef6   ACTION_MOVE>>>>>>>>");\n            break;\n        case MotionEvent.ACTION_DOWN:\n            Logs.d("RootLayout onTouchEvent \u4e8b\u4ef6  ACTION_DOWN>>>>>>>>");\n            break;\n        }\n        return true;\n    }\n}<\/code><\/pre>\n
public class TwotLayout extends LinearLayout {\n\n    public TwotLayout(Context context, AttributeSet attrs) {\n        super(context, attrs);\n    }\n\n    @Override\n    public boolean onInterceptTouchEvent(MotionEvent ev) {\n        Logs.i("TwotLayout   onInterceptTouchEvent >>>>>>>");\n        return false;\n    }\n\n    @Override\n    public boolean onTouchEvent(MotionEvent event) {\n        switch (event.getAction()) {\n        case MotionEvent.ACTION_UP:\n            Logs.i("TwotLayout onTouchEvent \u4e8b\u4ef6 ACTION_UP>>>>>>>>");\n            break;\n        case MotionEvent.ACTION_MOVE:\n            Logs.v("TwotLayout onTouchEvent \u4e8b\u4ef6   ACTION_MOVE>>>>>>>>");\n            break;\n        case MotionEvent.ACTION_DOWN:\n            Logs.d("TwotLayout onTouchEvent \u4e8b\u4ef6  ACTION_DOWN>>>>>>>>");\n            break;\n        }\n        return false;\n    }\n}<\/code><\/pre>\n
public class ChildTextView extends TextView {\n\n    public ChildTextView(Context context, AttributeSet attrs) {\n        super(context, attrs);\n    }\n\n    @Override\n    public boolean onTouchEvent(MotionEvent event) {\n        switch (event.getAction()) {\n        case MotionEvent.ACTION_UP:\n            Logs.i("ChildTextView onTouchEvent \u4e8b\u4ef6 ACTION_UP>>>>>>>>");\n            break;\n        case MotionEvent.ACTION_MOVE:\n            Logs.v("ChildTextView onTouchEvent \u4e8b\u4ef6   ACTION_MOVE>>>>>>>>");\n            break;\n        case MotionEvent.ACTION_DOWN:\n            Logs.d("ChildTextView onTouchEvent \u4e8b\u4ef6  ACTION_DOWN>>>>>>>>");\n            break;\n        }\n        return true;\n    }\n}<\/code><\/pre>\n
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\u56db\u3001\u573a\u666f\u4e00\uff1a\u5b50 View \u6d88\u8d39 DOWN<\/span><\/h2>\n
RootLayout\u3001TwotLayout \u7684 onInterceptTouchEvent \u90fd\u8fd4\u56de false\uff08\u4e0d\u62e6\u622a\uff09\uff0cChildTextView \u7684 onTouchEvent \u8fd4\u56de true\uff0c\u6d88\u8d39\u7b2c\u4e00\u4e2a ACTION_DOWN\uff1a<\/p>\n
\"QQ\u255c\u256a\u2550\u255d20150908162721\"<\/a><\/p>\n
\"QQ\u255c\u256a\u2550\u255d20150908163419\"<\/a><\/p>\n
\"QQ\u255c\u256a\u2550\u255d20150908163514\"<\/a><\/p>\n
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\u4e94\u3001\u573a\u666f\u4e8c\uff1a\u5b50 View \u4e0d\u6d88\u8d39 DOWN<\/span><\/h2>\n
\u540c\u6837\u4e0d\u62e6\u622a\uff0c\u4f46 ChildTextView \u7684 onTouchEvent \u8fd4\u56de false\uff0c\u4e0d\u6d88\u8d39 ACTION_DOWN\uff1a<\/p>\n
\"QQ\u255c\u256a\u2550\u255d20150908163649\"<\/a><\/p>\n
\"QQ\u255c\u256a\u2550\u255d20150908163832\"<\/a><\/p>\n
\"QQ\u255c\u256a\u2550\u255d20150908164027\"<\/a><\/p>\n
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\u516d\u3001\u603b\u89c8\u56fe\u4e0e\u53c2\u8003<\/span><\/h2>\n
\u4e8b\u4ef6\u4f20\u8f93\u66f4\u7ec6\u7684\u8bb2\u89e3\u63a8\u8350 kelin \u8fd9\u7bc7\u6587\u7ae0\uff1ahttp:\/\/www.jianshu.com\/p\/e99b5e8bd67b<\/a>\u3002<\/p>\n
\"966283-b9cb65aceea9219b\"<\/a><\/p>\n
\u53c2\u8003\uff1a<\/p>\n