{"id":362,"date":"2023-02-25T08:17:06","date_gmt":"2023-02-25T00:17:06","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=362"},"modified":"2023-04-30T14:43:28","modified_gmt":"2023-04-30T06:43:28","slug":"android-architecture-mvc-mvp-mvvm","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2023\/02\/25\/android-architecture-mvc-mvp-mvvm\/","title":{"rendered":"Android\u67b6\u6784\u4e4bMVC\u3001MVP\u3001MVVM"},"content":{"rendered":"<h2>\u524d\u8a00<\/h2>\n<p>MVC\u3001MVP\u3001MVVM\u662f\u5f53\u4e0bAndroid\u5f00\u53d1\u4e2d\u4e3b\u8981\u7684\u9879\u76ee\u67b6\u6784\uff0c\u5f53\u5f00\u53d1\u4e00\u4e2aApp\u65f6\uff0c\u5408\u7406\u7684\u8f6f\u4ef6\u67b6\u6784\u6709\u5229\u4e8e\u540e\u671f\u7684\u7ef4\u62a4\u3002Android\u5f00\u53d1\u4e2d\u6211\u4eec\u53ef\u4ee5\u9009\u62e9\u7684\u67b6\u6784\u53ea\u6709\u4ee5\u4e0a\u4e09\u79cd\uff0c\u4e09\u79cd\u67b6\u6784\u5404\u6709\u4f18\u7f3a\u70b9\uff0c\u6211\u4eec\u53ef\u4ee5\u4ece\u4e2d\u9009\u62e9\u6700\u5408\u9002\u6211\u4eec\u7684\u67b6\u6784\u3002<\/p>\n<p><!-- more --><\/p>\n<h2>MVC<\/h2>\n<p>MVC\uff08Model-View-Controller\uff09\u662f\u6700\u5e38\u89c1\u7684\u8f6f\u4ef6\u67b6\u6784\u4e4b\u4e00\uff0c\u4e5f\u662f\u6211\u4eec\u521a\u5f00\u59cb\u505aAndroid\u5f00\u53d1\u9009\u7528\u7684\u67b6\u6784\u3002<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.yezhou.me\/AppBlog\/images\/Android\/Android-MVC.png\" alt=\"Android-MVC\" \/><\/p>\n<p>\u6570\u636e\u5173\u7cfb\u4e3a\uff1a<\/p>\n<ul>\n<li>View\u63a5\u6536\u7528\u6237\u4ea4\u4e92\u6307\u4ee4<\/li>\n<li>View\u5c06\u6307\u4ee4\u4f20\u9012\u7ed9Controller<\/li>\n<li>Controller\u6267\u884c\u76f8\u5173\u7684\u4e1a\u52a1\u903b\u8f91\uff0c\u5e76\u64cd\u4f5cModel\u8fdb\u884c\u6570\u636e\u66f4\u65b0<\/li>\n<li>Control\u66f4\u65b0\u6570\u636e\u5b8c\u6bd5\u540e\uff0cModel\u901a\u77e5View\u66f4\u65b0\u6570\u636e\u53d8\u5316<\/li>\n<li>View\u66f4\u65b0\u6570\u636e\uff0c\u66f4\u65b0\u754c\u9762<\/li>\n<\/ul>\n<p>\u5177\u4f53\u5230Android\u9879\u76ee\u4e2d\u5462\uff1f\u6211\u4eec\u77e5\u9053\u5728\u4e00\u4e2aAndroid\u9879\u76ee\u4e2d\uff0c\u6709Java\u76ee\u5f55\u4e0b\u7684class\u6587\u4ef6\uff0c\u4e5f\u6709res\u76ee\u5f55\u4e0b\u7684\u5404\u79cd\u8d44\u6e90\uff0clayout\u91cc\u9762\u7684xml\u6587\u4ef6\u5c31\u5bf9\u5e94\u4e8eMVC\u7684view\u5c42\uff0c\u91cc\u9762\u90fd\u662f\u4e00\u4e9bview\u7684\u5e03\u5c40\u4ee3\u7801\u3002\u800c\u5404\u79cdJava 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class=\"language-java\">public abstract class BaseAdapter implements ListAdapter, SpinnerAdapter {\n    \/\/\u6570\u636e\u89c2\u5bdf\u8005\n    private final DataSetObservable mDataSetObservable = new DataSetObservable();\n\n    public boolean hasStableIds() {\n        return false;\n    }\n\n    public void registerDataSetObserver(DataSetObserver observer) {\n        mDataSetObservable.registerObserver(observer);\n    }\n\n    public void unregisterDataSetObserver(DataSetObserver observer) {\n        mDataSetObservable.unregisterObserver(observer);\n    }\n\n    \/**\n     * Notifies the attached observers that the underlying data has been changed\n     * and any View reflecting the data set should refresh itself.\n     *\/\n    public void notifyDataSetChanged() {\n        mDataSetObservable.notifyChanged();\n    }\n}<\/code><\/pre>\n<p>\u7f3a\u70b9\uff1a\u5728Android\u5f00\u53d1\u4e2d\uff0cMVC\u5927\u5bb6\u80af\u5b9a\u4f1a\u7528\uff0c\u4f46\u662f\u8fd9\u79cd\u6a21\u5f0f\u6709\u4ec0\u4e48\u533a\u7f3a\u70b9\u5417\uff0c\u80af\u5b9a\u662f\u6709\u7684\uff0c\u8981\u4e0d\u7136\u4e5f\u4e0d\u4f1a\u6709\u540e\u6765\u7684MVP\u3001MVVM\u4e86\u4e0d\u662f\u3002\u5927\u5bb6\u53ef\u4ee5\u60f3\u60f3\uff0cxml\u4f5c\u4e3aView\u5c42\uff0c\u63a7\u5236\u80fd\u529b\u592a\u5f31\u4e86\uff0c\u6bd4\u5982\u6211\u4eec\u8981\u66f4\u6362\u4e86\u80cc\u666f\uff0c\u66f4\u6362\u4e2a\u5b57\u4f53\u989c\u8272\uff0cxml\u4e2d\u5f0f\u65e0\u6cd5\u5b8c\u6210\u7684\uff0c\u53ea\u80fd\u5199\u5728Activity\u4e2d\uff0c\u8fd9\u6837\u5c31\u4f7f\u5f97\u4f5c\u4e3aController\u5c42\u7684Activity\uff0c\u4e5f\u5145\u5f53\u8d77\u4e86View\u7684\u89d2\u8272\uff0c\u6700\u7ec8\u7ed3\u679c\u4f7f\u5f97Activity\u4ee3\u7801\u8fc7\u4e8e\u81c3\u80bf\uff0c\u6211\u5728\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u7a0d\u5fae\u590d\u6742\u4e00\u70b9\u7684\u754c\u9762\uff0cActivity\u53ef\u4ee5\u8fbe\u52302000+\u884c\u4ee3\u7801\uff0c\u8fd9\u6837\u7684\u4ee3\u7801\u7ef4\u62a4\u8d77\u6765\u76f8\u4fe1\u8c01\u90fd\u4f1a\u611f\u5230\u5934\u75db\u5427\u3002<\/p>\n<h2>MVP<\/h2>\n<p>MVP\u4f5c\u4e3aMVC\u6a21\u5f0f\u7684\u6f14\u5316\uff0c\u89e3\u51b3\u4e86MVC\u6a21\u5f0f\u7684\u4e00\u4e9b\u7f3a\u70b9\u3002\u53ef\u4ee5\u770b\u5230\uff0cView\u5c42\u548cModel\u5c42\u4e0d\u80fd\u76f4\u63a5\u8fdb\u884c\u901a\u4fe1\u4e86\uff0c\u8f6c\u800c\u4ea4\u7ed9Presenter\u5c42\u4f5c\u4e3a\u4e2d\u95f4\u7684\u4ee3\u7406\u3002\u5176\u4e2dModel\u5c42\u548cMVC\u662f\u4e00\u6837\u7684\uff0c\u4f46\u662fActivity\u548cFragment\u5219\u662f\u7eaf\u7cb9\u7684View\u5c42\u4e86\uff0c\u4e0d\u518d\u5145\u5f53Controller\u7684\u89d2\u8272\u4e86\u3002\u6240\u6709\u7684\u4ea4\u4e92\u4e8b\u4ef6\u4ea4\u7ed9Presenter\u5c42\u5904\u7406\u3002<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.yezhou.me\/AppBlog\/images\/Android\/Android-MVP.png\" alt=\"Android-MVP\" \/><\/p>\n<p>\u6570\u636e\u5173\u7cfb\u4e3a<\/p>\n<ul>\n<li>View\u63a5\u6536\u7528\u6237\u4ea4\u4e92\u8bf7\u6c42<\/li>\n<li>View\u5c06\u8bf7\u6c42\u63d0\u4ea4\u7ed9Presenter\u5c42<\/li>\n<li>Presenter\u5c42\u64cd\u4f5cModel\u8fdb\u884c\u6570\u636e\u66f4\u65b0<\/li>\n<li>Model\u5c42\u901a\u77e5Presenter\u5c42\u6570\u636e\u53d1\u751f\u53d8\u5316<\/li>\n<li>Presenter\u5c42\u64cd\u4f5cView\u5c42\u754c\u9762\u66f4\u65b0<\/li>\n<\/ul>\n<p>\u8fd9\u6837\u5b9e\u9645\u4e0a\u5c06View\u5c42\u548cModel\u5c42\u89e3\u8026\u3002<\/p>\n<p>\u5728Android\u4e2d\uff0c\u5bf9\u4e8eView\uff0c\u4e00\u822c\u8981\u6709\u4e2aIView\u7684\u63a5\u53e3\uff0cActivity\u6216\u8005Fragment\u8981\u5b9e\u73b0\u8fd9\u4e2a\u63a5\u53e3\u3002\u6b64\u63a5\u53e3\u4e3b\u8981\u662f\u6709\u5173\u754c\u9762\u7684\u64cd\u4f5c\uff0c\u5982\u4e0b\u6817\u5b50\u4e2d\uff0c\u83b7\u53d6EditText\u7684\u8f93\u5165\u503c\uff0c\u663e\u793aToast\uff0c\u663e\u793a\u548c\u9690\u85cfProgressBar\u7b49\u3002<\/p>\n<pre><code class=\"language-java\">public interface ILoginView {\n    String getUserName();\n    String getPassWord();\n    void showToast(String content);\n    void closeDispose(Disposable disposable);\n    void showProgress();\n    void hideProgress();\n    void toOtherActivity();\n}<\/code><\/pre>\n<pre><code class=\"language-java\">public class LoginActivity extends BaseActivity implements IView.ILoginView {}<\/code><\/pre>\n<p>\u5bf9\u4e8eModel\uff0c\u4e00\u822c\u8981\u6709\u4e00\u4e2aIModel\uff0cModel\u8981\u7ee7\u627f\u8fd9\u4e2a\u63a5\u53e3\uff1a<\/p>\n<pre><code class=\"language-java\">public class IModel {\n    public interface ILoginModel {\n        void login(LoginBody loginBody, MyCallBack&lt;UserLoginBean&gt; callBack); \/\/\u767b\u5f55\n    }\n}<\/code><\/pre>\n<pre><code class=\"language-java\">public class LoginModel implements IModel.ILoginModel {}<\/code><\/pre>\n<h2>MVVM<\/h2>\n<p>\u53ef\u4ee5\u770b\u5230\uff0c\u548cMVP\u6bd4\u8f83\uff0cPresenter\u5c42\u6362\u6210\u4e86ViewModel\u5c42\uff0c\u5176\u5b9eView\u5c42\u548cViewModel\u5c42\u662f\u76f8\u4e92\u7ed1\u5b9a\u7684\u5173\u7cfb\uff0c\u8fd9\u610f\u5473\u7740\u5f53\u66f4\u65b0ViewModel\u5c42\u6570\u636e\u7684\u65f6\u5019\uff0cView\u5c42\u4f1a\u76f8\u5e94\u7684\u53d8\u52a8UI\u3002<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.yezhou.me\/AppBlog\/images\/Android\/Android-MVVM.png\" alt=\"Android-MVVM\" \/><\/p>\n<p>\u6570\u636e\u5173\u7cfb\uff1a<\/p>\n<ul>\n<li>View\u63a5\u6536\u4ea4\u4e92\u8bf7\u6c42<\/li>\n<li>View\u5c06\u8bf7\u6c42\u63d0\u4ea4\u7ed9ViewModel<\/li>\n<li>ViewModel\u64cd\u4f5cModel\u8fdb\u884c\u6570\u636e\u66f4\u65b0<\/li>\n<li>Model\u66f4\u65b0\u5b8c\u6570\u636e\uff0c\u901a\u77e5ViewModel\u6570\u636e\u53d1\u751f\u53d8\u5316<\/li>\n<li>View\u548cViewModel\u662f\u53cc\u5411\u7ed1\u5b9a\u7684\u5173\u7cfb\uff0cViewModel\u53d8\u5316\uff0cView\u5c42\u4f1a\u76f8\u5e94\u53d8\u5316<\/li>\n<\/ul>\n<p>\u6240\u4ee5MVVM\u6a21\u5f0f\u4e00\u822c\u8981\u7ed3\u5408Google\u63a8\u51fa\u7684DataBinding\uff0c\u5c06View\u548cViewModel\u5c42\u8fdb\u884c\u6570\u636e\u7ed1\u5b9a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u8a00 MVC\u3001MVP\u3001MVVM\u662f\u5f53\u4e0bAndroid\u5f00\u53d1\u4e2d\u4e3b\u8981\u7684\u9879\u76ee\u67b6\u6784\uff0c\u5f53\u5f00\u53d1\u4e00\u4e2aApp\u65f6\uff0c\u5408\u7406\u7684\u8f6f\u4ef6\u67b6\u6784\u6709\u5229 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