{"id":1702,"date":"2016-09-01T18:00:38","date_gmt":"2016-09-01T10:00:38","guid":{"rendered":"https:\/\/ai.zhousir.top\/?p=1702"},"modified":"2026-08-18T12:58:51","modified_gmt":"2026-08-18T04:58:51","slug":"mvp%e6%a8%a1%e5%bc%8f%e5%85%a5%e9%97%a8","status":"publish","type":"post","link":"https:\/\/ai.zhousir.top\/?p=1702","title":{"rendered":"MVP\u6a21\u5f0f\u5165\u95e8"},"content":{"rendered":"
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\u5e94\u7528\u5f00\u53d1\u603b\u4f1a\u78b0\u5230 UI\u3001\u6570\u636e\u3001\u4e1a\u52a1\u903b\u8f91\u3002\u903b\u8f91\u4e00\u590d\u6742\u5c31\u8981\u5206\u6846\u67b6\u3002\u6700\u65e9\u662f MVC\uff0c\u540e\u6765\u4e5f\u7528\u5728 Android \u4e0a\u3002MVP \u53ef\u4ee5\u770b\u4f5c MVC \u7684\u5347\u7ea7\uff1a\u628a Activity \u4ece\u300c\u53c8\u5f53 View \u53c8\u5f53 Controller\u300d\u91cc\u62c6\u51fa\u6765\u3002<\/p>\n<\/blockquote>\n

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\u4e00\u3001\u6982\u8ff0\uff1aMVC \u4e3a\u4ec0\u4e48\u4f1a\u80d6<\/span><\/h2>\n

MVC \u67b6\u6784<\/h3>\n
<\/section>\n
M : \u4e1a\u52a1\u5c42\u548c\u6a21\u578b\u5c42\uff0c\u76f8\u5f53\u4e0ejavabean\u548c\u6211\u4eec\u7684\u4e1a\u52a1\u8bf7\u6c42\u4ee3\u7801\n   model\u5c42\u4e3b\u8981\u8d1f\u8d23\uff1a\n   \u00b7 \u4ece\u7f51\u7edc\uff0c\u6570\u636e\u5e93\uff0c\u6587\u4ef6\uff0c\u4f20\u611f\u5668\uff0c\u7b2c\u4e09\u65b9\u7b49\u6570\u636e\u6e90\u8bfb\u5199\u6570\u636e\u3002\n   \u00b7 \u5bf9\u5916\u90e8\u7684\u6570\u636e\u7c7b\u578b\u8fdb\u884c\u89e3\u6790\u8f6c\u6362\u4e3aAPP\u5185\u90e8\u6570\u636e\u4ea4\u7531\u4e0a\u5c42\u5904\u7406\u3002\n   \u00b7 \u5bf9\u6570\u636e\u7684\u4e34\u65f6\u5b58\u50a8,\u7ba1\u7406\uff0c\u534f\u8c03\u4e0a\u5c42\u6570\u636e\u8bf7\u6c42\u3002\n\n V : \u89c6\u56fe\u5c42\uff0c\u5bf9\u5e94Android\u7684layout.xml\u5e03\u5c40\u6587\u4ef6\n C : \u63a7\u5236\u5c42\uff0c\u5bf9\u5e94\u4e8eActivity\u4e2d\u5bf9\u4e8eUI \u7684\u5404\u79cd\u64cd\u4f5c<\/code><\/pre>\n
\u7eb8\u9762\u5f88\u6e05\u6670\uff0c\u5b9e\u9645\u5f00\u53d1\u91cc\u8bf7\u6c42\u4ee3\u7801\u7ecf\u5e38\u585e\u8fdb Activity\uff1blayout.xml \u53ea\u80fd\u7ed9\u9ed8\u8ba4 UI\uff0c\u89c6\u56fe\u53d8\u5316\u4e5f\u88ab\u4e22\u8fdb Activity\uff1bActivity \u672c\u8eab\u8fd8\u627f\u62c5\u63a7\u5236\u5c42\u3002\u4e8e\u662f Activity \u96c6\u9f50 MVC\uff0c\u4ece\u51e0\u767e\u884c\u6da8\u5230\u51e0\u5343\u884c\uff0c\u7ef4\u62a4\u6210\u672c\u8d8a\u6765\u8d8a\u9ad8\u3002<\/p>\n
\u65b0\u7684 MVP \u67b6\u6784<\/h3>\n
<\/section>\n
M : \u8fd8\u662f\u4e1a\u52a1\u5c42\u548c\u6a21\u578b\u5c42\nV : \u89c6\u56fe\u5c42\u7684\u8d23\u4efb\u7531Activity\u6765\u62c5\u5f53\nP : \u65b0\u6210\u5458Prensenter \u7528\u6765\u4ee3\u7406 C(control) \u63a7\u5236\u5c42,\u662fView\u548cModel\u7684\u4e2d\u95f4\u201c\u6865\u6881\u201d\uff0c\u8d1f\u8d23View\u548cModel\u95f4\u7684\u4ea4\u4e92<\/code><\/pre>\n
MVP \u4e0e MVC \u6700\u5927\u7684\u4e0d\u540c\uff0c\u662f Activity \u7684\u804c\u8d23\uff1a\u4ece C\uff08\u63a7\u5236\u5c42\uff09\u53d8\u6210 V\uff08\u89c6\u56fe\u5c42\uff09\uff0c\u53ea\u7ba1\u600e\u4e48\u663e\u793a\u3002\u63a7\u5236\u4ea4\u7ed9 Presenter\u3002\u8fd9\u6837\u89e3\u5f00 Activity \u5bf9\u63a7\u5236\u5c42\u548c\u89c6\u56fe\u5c42\u7684\u8fc7\u5ea6\u8026\u5408\u3002<\/p>\n
\"mvp\"<\/a><\/p>\n\n\n\n\n\n\n\n
\u89d2\u8272<\/th>\nMVC \u91cc\u8c01\u625b<\/th>\nMVP \u91cc\u8c01\u625b<\/th>\n<\/tr>\n<\/thead>\n
Model<\/td>\nBean + \u8bf7\u6c42\uff08\u5e38\u88ab\u585e\u8fdb Activity\uff09<\/td>\n\u4ecd\u8d1f\u8d23\u6570\u636e\u6e90\u3001\u89e3\u6790\u3001\u6682\u5b58<\/td>\n<\/tr>\n
View<\/td>\nlayout.xml\uff0c\u53d8\u5316\u5374\u5199\u5728 Activity<\/td>\nActivity \/ Fragment \u53ea\u8d1f\u8d23\u663e\u793a<\/td>\n<\/tr>\n
\u63a7\u5236<\/td>\nActivity \u65e2\u662f C \u53c8\u63ba V<\/td>\nPresenter \u5f53 View \u4e0e Model \u7684\u6865<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
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\u4e8c\u3001\u5b9e\u4f8b<\/span><\/h2>\n
\u7528 MVP \u5b9e\u73b0\u4e0b\u56fe\u6548\u679c\uff1a<\/p>\n
\"cheap\"<\/a><\/p>\n
\u7b2c\u4e00\u6b65 View \u5c42<\/h3>\n
\u5148\u5b9a\u4e49 UI \u80fd\u505a\u4ec0\u4e48\uff0cFragment \u53ea\u5b9e\u73b0\u63a5\u53e3\u3001\u628a\u70b9\u51fb\u4ea4\u7ed9 Presenter\uff1a<\/p>\n
<\/section>\n
\/**\n * \u5b9a\u4e49UI\u89c6\u56fe\u903b\u8f91\n *\/\npublic interface ICheapView {\n    void setListViewAdapter(ReadNewsAdapter adpater);\n    void showToastMessage(String message);\n    void setBannerLayoutData(List<AdsBean> list);\n}\n\npublic class CheapFragment extends BaseMvpFragment<ICheapView, CheapPresenter> implements ICheapView, View.OnClickListener {\n    private EditText mSearchKey;\n    private ListView mListView;\n    private FrameLayout mListHeadView;\n    private BannerLayout mBannerLayout;\n\n    public static CheapFragment newInstance() {\n        CheapFragment fragment = new CheapFragment();\n        return fragment;\n    }\n\n    @Override\n    public View onCreateView(LayoutInflater inflater, ViewGroup container,\n                             Bundle savedInstanceState) {\n        mListHeadView = (FrameLayout) inflater.inflate(fragment_cheap_banner_layout, null);\n        return inflater.inflate(R.layout.fragment_cheap_layout, container, false);\n    }\n\n    @Override\n    public void onActivityCreated(Bundle savedInstanceState) {\n        super.onActivityCreated(savedInstanceState);\n        mSearchKey = (EditText) getView().findViewById(R.id.com_search_edit);\n        mBannerLayout = (BannerLayout) mListHeadView.findViewById(R.id.banner);\n        mListView = (ListView) getView().findViewById(R.id.cheap_listview);\n        mListView.addHeaderView(mListHeadView);\n        mSearchKey.setOnClickListener(this);\n\n        mPresenter.setListViewAdapter();\n        mPresenter.setListBannerViewData();\n    }\n\n    @Override\n    public void onClick(View v) {\n        switch (v.getId()) {\n            case R.id.com_search_edit:\n                getActivity().onSearchRequested();\n                break;\n        }\n    }\n\n    @Override\n    public CheapPresenter initPresenter() {\n        return new CheapPresenter(getActivity());\n    }\n\n    @Override\n    public void setListViewAdapter(ReadNewsAdapter adpater) {\n        mListView.setAdapter(adpater);\n    }\n\n    @Override\n    public void showToastMessage(String message) {\n        Toast.makeText(getActivity(), message, Toast.LENGTH_SHORT).show();\n    }\n\n    @Override\n    public void setBannerLayoutData(List<AdsBean> urls) {\n        List<String> list = new ArrayList<>();\n        for (AdsBean ads : urls) {\n            list.add(ads.getImgsrc());\n        }\n        mBannerLayout.setViewUrls(list);\n        \/\/\u6dfb\u52a0\u76d1\u542c\u4e8b\u4ef6\n        mBannerLayout.setOnBannerItemClickListener(new BannerLayout.OnBannerItemClickListener() {\n            @Override\n            public void onItemClick(int position) {\n                showToastMessage(String.valueOf(position));\n            }\n        });\n    }\n}<\/code><\/pre>\n
\u7b2c\u4e8c\u6b65 Presenter \u5c42<\/h3>\n
\u4e1a\u52a1\u63a5\u53e3\u7531 Presenter \u5b9e\u73b0\uff1a\u5411 Model \u8981\u6570\u636e\uff0c\u6210\u529f\u540e\u518d\u8c03 View\u3002<\/p>\n
<\/section>\n
\/**\n * \u5b9a\u4e49\u4e1a\u52a1\u903b\u8f91\n *\/\npublic interface ICheapPresenter {\n    void setListViewAdapter();\n    void setListBannerViewData();\n}\n\npublic class CheapPresenter extends BasePresenter<ICheapView> implements ICheapPresenter{\n    private ICheapModel mCheapModel;\n    private ReadNewsAdapter mReadNewsAdapter;\n\n    public CheapPresenter(Context context) {\n        mCheapModel = new CheapModel();\n        mReadNewsAdapter = new ReadNewsAdapter(context);\n    }\n\n    @Override\n    public void setListViewAdapter() {\n        mView.setListViewAdapter(mReadNewsAdapter);\n    }\n\n    @Override\n    public void setListBannerViewData() {\n        mCheapModel.setListAndAdsData(new CallbackListener<NewsTextBean>() {\n            @Override\n            public void onSuccess(NewsTextBean data) {\n                List<NewsTextItemBean> newsTextItemBeanList = data.getT1348647909107();\n                mReadNewsAdapter.addDatas(0,newsTextItemBeanList);\n                List<AdsBean> adsLists = newsTextItemBeanList.get(0).getAds();\n                mView.setBannerLayoutData(adsLists);\n            }\n\n            @Override\n            public void onFailure(String message) {\n                mView.showToastMessage(message);\n            }\n        });\n    }\n}<\/code><\/pre>\n
\u7b2c\u4e09\u6b65 Model \u5c42<\/h3>\n
\u7f51\u7edc\u8bf7\u6c42\u653e\u5728 Model\uff0c\u8fd9\u91cc\u7528 Retrofit \u62c9\u7f51\u6613\u65b0\u95fb\u63a5\u53e3\uff1a<\/p>\n
<\/section>\n
public interface ICheapModel {\n    void setListAndAdsData(final CallbackListener<NewsTextBean> listener);\n}\n\npublic class CheapModel implements ICheapModel {\n    @Override\n    public void setListAndAdsData(final CallbackListener<NewsTextBean> listener) {\n        Retrofit retrofit = new Retrofit.Builder()\n                .addConverterFactory(GsonConverterFactory.create())\n                .baseUrl(\"http:\/\/c.m.163.com\/\")\n                .build();\n\n        RetrofitCall call = retrofit.create(RetrofitCall.class);\n        Call<NewsTextBean> mCall = call.getNewsText();\n        mCall.enqueue(new Callback<NewsTextBean>() {\n            @Override\n            public void onResponse(Call<NewsTextBean> call, Response<NewsTextBean> response) {\n                NewsTextBean newsTextBean =  response.body();\n                listener.onSuccess(newsTextBean);\n            }\n\n            @Override\n            public void onFailure(Call<NewsTextBean> call, Throwable t) {\n                listener.onFailure(t.getMessage());\n\n            }\n        });\n    }\n}<\/code><\/pre>\n
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\u4e09\u3001\u57fa\u7c7b\uff1a\u7ed1\u5b9a\u4e0e\u89e3\u5f00 View<\/span><\/h2>\n
BaseMvpFragment<\/code> \u8d1f\u8d23\u5b9e\u4f8b\u5316 Presenter\uff1bBasePresenter<\/code> \u6301\u6709 View \u5f15\u7528\uff0c\u9500\u6bc1\u65f6\u6e05\u6389\uff0c\u907f\u514d\u6cc4\u6f0f\u3002<\/p>\n
<\/section>\n
public abstract class BasePresenter<T> {\n    \/*\u8fd9\u4e2a\u57fa\u7c7b\u7684Presenter \u4e3b\u8981\u7684\u4f5c\u7528\u5c31\u662f\u5c06\u5f53\u524dPresenter\u6301\u6709\u7684view \u5728\u5408\u9002\u7684\u65f6\u5019\u7ed9\u6e05\u9664\u6389*\/\n    public T mView;\n\n    public void attach(T mView) {\n        this.mView = mView;\n    }\n\n    public void dettach() {\n        mView = null;\n    }\n\n}<\/code><\/pre>\n
<\/section>\n
public abstract class BaseMvpFragment<V, T extends BasePresenter<V>> extends Fragment {\n    \/*\u5b9a\u4e49\u4e00\u4e2aPresenter \u7528\u4e8e\u89e3\u7ed1\u6301\u6709\u7684View\n       *\n       * \u5728onAttach\u8fdb\u884c\u521d\u59cb\u5316Presenter\u7684\u64cd\u4f5c\n       * \u5728onCreate\u4e2d\u8fdb\u884c\u7ed1\u5b9a\n       * \u5728onDestroy \u4e2d\u8fdb\u884c\u89e3\u7ed1\n       *\n       **\/\n    public T mPresenter;\n\n    @Override\n    public void onAttach(Context context) {\n        super.onAttach(context);\n        mPresenter = initPresenter();\n    }\n\n    @Override\n    public void onCreate(@Nullable Bundle savedInstanceState) {\n        super.onCreate(savedInstanceState);\n        mPresenter.attach((V) this);\n    }\n\n    @Override\n    public void onDestroy() {\n        super.onDestroy();\n        mPresenter.dettach();\n    }\n\n    \/* \u8fd9\u91cc\u662f\u9002\u914d\u4e3a\u4e0d\u540c\u7684View \u88c5\u8f7d\u4e0d\u540cPresenter*\/\n    public abstract T initPresenter();\n}<\/code><\/pre>\n
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\u56db\u3001\u53c2\u8003\u5b66\u4e60<\/span><\/h2>\n