<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/container" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical"> <FrameLayout   android:id="@+id/video_view"  android:layout_width="fill_parent"  android:layout_height="fill_parent"  android:visibility="gone"  ></FrameLayout> <Button   android:id="@+id/video_landport"  android:layout_width="fill_parent"  android:layout_height="wrap_content"  android:text="全屏不顯示該按扭，點擊切換橫屏"  android:gravity="center"  /> <WebView   android:id="@+id/video_webview"  android:layout_width="fill_parent"  android:layout_height="fill_parent"  /> </LinearLayout>

public class MainActivity extends Activity { private FrameLayout videoview;// 全屏時視頻加載view private Button videolandport; private WebView videowebview; private Boolean islandport = true;//true表示此時是豎屏，false表示此時橫屏。 private View xCustomView; private xWebChromeClient xwebchromeclient; private String url = "http://look.appjx.cn/mobile_api.php?mod=news&id=12604"; private WebChromeClient.CustomViewCallback  xCustomViewCallback; @Override protected void onCreate(Bundle savedInstanceState) {  super.onCreate(savedInstanceState);  requestWindowFeature(Window.FEATURE_NO_TITLE);//去掉應用標題  getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,    WindowManager.LayoutParams.FLAG_FULLSCREEN);  setContentView(R.layout.activity_main);  initwidget();  initListener();  videowebview.loadUrl(url); } private void initListener() {  // TODO Auto-generated method stub  videolandport.setOnClickListener(new Listener()); } private void initwidget() {  // TODO Auto-generated method stub  videoview = (FrameLayout) findViewById(R.id.video_view);  videolandport = (Button) findViewById(R.id.video_landport);  videowebview = (WebView) findViewById(R.id.video_webview);  WebSettings ws = videowebview.getSettings();  /**   * setAllowFileAccess 啟用或禁止WebView訪問文件數據 setBlockNetworkImage 是否顯示網絡圖像   * setBuiltInZoomControls 設置是否支持縮放 setCacheMode 設置緩沖的模式   * setDefaultFontSize 設置默認的字體大小 setDefaultTextEncodingName 設置在解碼時使用的默認編碼   * setFixedFontFamily 設置固定使用的字體 setJavaSciptEnabled 設置是否支持Javascript   * setLayoutAlgorithm 設置布局方式 setLightTouchEnabled 設置用鼠標激活被選項   * setSupportZoom 設置是否支持變焦   * */  ws.setBuiltInZoomControls(true);// 隱藏縮放按鈕  ws.setLayoutAlgorithm(WebSettings.LayoutAlgorithm.NARROW_COLUMNS);// 排版適應屏幕  ws.setUseWideViewPort(true);// 可任意比例縮放  ws.setLoadWithOverviewMode(true);// setUseWideViewPort方法設置webview推薦使用的窗口。setLoadWithOverviewMode方法是設置webview加載的頁面的模式。  ws.setSavePassword(true);  ws.setSaveFormData(true);// 保存表單數據  ws.setJavaScriptEnabled(true);  ws.setGeolocationEnabled(true);// 啟用地理定位  ws.setGeolocationDatabasePath("/data/data/org.itri.html5webview/databases/");// 設置定位的數據庫路徑  ws.setDomStorageEnabled(true);  xwebchromeclient = new xWebChromeClient();  videowebview.setWebChromeClient(xwebchromeclient);  videowebview.setWebViewClient(new xWebViewClientent()); } class Listener implements OnClickListener {  @Override  public void onClick(View v) {   // TODO Auto-generated method stub   switch (v.getId()) {   case R.id.video_landport:    if (islandport) {     setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);     videolandport.setText("全屏不顯示該按扭，點擊切換橫屏");    }else {     setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);      videolandport.setText("全屏不顯示該按扭，點擊切換豎屏");    }    break;   default:    break;   }  } }  @Override  public boolean onKeyDown(int keyCode, KeyEvent event) {   if (keyCode == KeyEvent.KEYCODE_BACK) {    if (inCustomView()) {     hideCustomView();     return true;    }else {    videowebview.loadUrl("about:blank");//     mTestWebView.loadData("", "text/html; charset=UTF-8", null);    MainActivity.this.finish();     Log.i("testwebview", "===>>>2");   }   }   return true;  }  /**  * 判斷是否是全屏  * @return  */  public boolean inCustomView() {    return (xCustomView != null);   }   /**   * 全屏時按返加鍵執行退出全屏方法   */   public void hideCustomView() {    xwebchromeclient.onHideCustomView();   } /**  * 處理Javascript的對話框、網站圖標、網站標題以及網頁加載進度等  * @author  */ public class xWebChromeClient extends WebChromeClient {  private Bitmap xdefaltvideo;  private View xprogressvideo;  @Override  //播放網絡視頻時全屏會被調用的方法  public void onShowCustomView(View view, WebChromeClient.CustomViewCallback callback)  {   if (islandport) {   }   else{//    ii = "1";//    setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);    }   setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);    videowebview.setVisibility(View.GONE);   //如果一個視圖已經存在，那么立刻終止并新建一個   if (xCustomView != null) {    callback.onCustomViewHidden();    return;   }      videoview.addView(view);   xCustomView = view;   xCustomViewCallback = callback;   videoview.setVisibility(View.VISIBLE);  }  @Override  //視頻播放退出全屏會被調用的  public void onHideCustomView() {   if (xCustomView == null)//不是全屏播放狀態    return;         // Hide the custom view.   setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);    xCustomView.setVisibility(View.GONE);   // Remove the custom view from its container.   videoview.removeView(xCustomView);   xCustomView = null;   videoview.setVisibility(View.GONE);   xCustomViewCallback.onCustomViewHidden();   videowebview.setVisibility(View.VISIBLE);   //Log.i(LOGTAG, "set it to webVew");  }  //視頻加載添加默認圖標  @Override  public Bitmap getDefaultVideoPoster() {   //Log.i(LOGTAG, "here in on getDefaultVideoPoster");    if (xdefaltvideo == null) {    xdefaltvideo = BitmapFactory.decodeResource(      getResources(), R.drawable.videoicon);   }   return xdefaltvideo;  }  //視頻加載時進程loading  @Override  public View getVideoLoadingProgressView() {   //Log.i(LOGTAG, "here in on getVideoLoadingPregressView");   if (xprogressvideo == null) {    LayoutInflater inflater = LayoutInflater.from(MainActivity.this);    xprogressvideo = inflater.inflate(R.layout.video_loading_progress, null);   }   return xprogressvideo;   }  //網頁標題   @Override   public void onReceivedTitle(WebView view, String title) {   (MainActivity.this).setTitle(title);   }//   @Override//  //當WebView進度改變時更新窗口進度//   public void onProgressChanged(WebView view, int newProgress) {//    (MainActivity.this).getWindow().setFeatureInt(Window.FEATURE_PROGRESS, newProgress*100);//   }   } /**  * 處理各種通知、請求等事件  * @author  */ public class xWebViewClientent extends WebViewClient {   @Override   public boolean shouldOverrideUrlLoading(WebView view, String url) {    Log.i("webviewtest", "shouldOverrideUrlLoading: "+url);    return false;   } } /**  * 當橫豎屏切換時會調用該方法  * @author  */ @Override public void onConfigurationChanged(Configuration newConfig) {  Log.i("testwebview", "=====<<< onConfigurationChanged >>>=====");   super.onConfigurationChanged(newConfig);   if(newConfig.orientation == Configuration.ORIENTATION_LANDSCAPE){    Log.i("webview", " 現在是橫屏1");    islandport = false;   }else if(newConfig.orientation == Configuration.ORIENTATION_PORTRAIT){    Log.i("webview", " 現在是豎屏1");    islandport = true;   } }}