Android WebView全屏播放 Android编程实现WebView全屏播放的方法(附源码)

<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="全屏不显示该按扭，点击切换横屏"
  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;// 全屏时视频加载view
 private Button videolandport;
 private WebView videowebview;
 private Boolean islandport = true;//true表示此时是竖屏，false表示此时横屏。
 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);//去掉应用标题
  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 启用或禁止WebView访问文件数据 setBlockNetworkImage 是否显示网络图像
   * setBuiltInZoomControls 设置是否支持缩放 setCacheMode 设置缓冲的模式
   * setDefaultFontSize 设置默认的字体大小 setDefaultTextEncodingName 设置在解码时使用的默认编码
   * setFixedFontFamily 设置固定使用的字体 setJavaSciptEnabled 设置是否支持Javascript
   * setLayoutAlgorithm 设置布局方式 setLightTouchEnabled 设置用鼠标激活被选项
   * setSupportZoom 设置是否支持变焦
   * */
  ws.setBuiltInZoomControls(true);// 隐藏缩放按钮
  ws.setLayoutAlgorithm(WebSettings.LayoutAlgorithm.NARROW_COLUMNS);// 排版适应屏幕
  ws.setUseWideViewPort(true);// 可任意比例缩放
  ws.setLoadWithOverviewMode(true);// setUseWideViewPort方法设置webview推荐使用的窗口。setLoadWithOverviewMode方法是设置webview加载的页面的模式。
  ws.setSavePassword(true);
  ws.setSaveFormData(true);// 保存表单数据
  ws.setJavaScriptEnabled(true);
  ws.setGeolocationEnabled(true);// 启用地理定位
  ws.setGeolocationDatabasePath("/data/data/org.itri.html5webview/databases/");// 设置定位的数据库路径
  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("全屏不显示该按扭，点击切换横屏");
    }else {
     setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE); 
     videolandport.setText("全屏不显示该按扭，点击切换竖屏");
    }
    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;
  }
  /**
  * 判断是否是全屏
  * @return
  */
  public boolean inCustomView() {
    return (xCustomView != null);
   }
   /**
   * 全屏时按返加键执行退出全屏方法
   */
   public void hideCustomView() {
    xwebchromeclient.onHideCustomView();
   }
 /**
  * 处理Javascript的对话框、网站图标、网站标题以及网页加载进度等
  * @author
  */
 public class xWebChromeClient extends WebChromeClient {
  private Bitmap xdefaltvideo;
  private View xprogressvideo;
  @Override
  //播放网络视频时全屏会被调用的方法
  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);
   //如果一个视图已经存在，那么立刻终止并新建一个
   if (xCustomView != null) {
    callback.onCustomViewHidden();
    return;
   }   
   videoview.addView(view);
   xCustomView = view;
   xCustomViewCallback = callback;
   videoview.setVisibility(View.VISIBLE);
  }
  @Override
  //视频播放退出全屏会被调用的
  public void onHideCustomView() {
   if (xCustomView == null)//不是全屏播放状态
    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");
  }
  //视频加载添加默认图标
  @Override
  public Bitmap getDefaultVideoPoster() {
   //Log.i(LOGTAG, "here in on getDefaultVideoPoster"); 
   if (xdefaltvideo == null) {
    xdefaltvideo = BitmapFactory.decodeResource(
      getResources(), R.drawable.videoicon);
   }
   return xdefaltvideo;
  }
  //视频加载时进程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; 
  }
  //网页标题
   @Override
   public void onReceivedTitle(WebView view, String title) {
   (MainActivity.this).setTitle(title);
   }
//   @Override
//  //当WebView进度改变时更新窗口进度
//   public void onProgressChanged(WebView view, int newProgress) {
//    (MainActivity.this).getWindow().setFeatureInt(Window.FEATURE_PROGRESS, newProgress*100);
//   }  
 }
 /**
  * 处理各种通知、请求等事件
  * @author
  */
 public class xWebViewClientent extends WebViewClient {
   @Override
   public boolean shouldOverrideUrlLoading(WebView view, String url) {
    Log.i("webviewtest", "shouldOverrideUrlLoading: "+url);
    return false;
   }
 }
 /**
  * 当横竖屏切换时会调用该方法
  * @author
  */
 @Override
 public void onConfigurationChanged(Configuration newConfig) {
  Log.i("testwebview", "=====<<< onConfigurationChanged >>>=====");
   super.onConfigurationChanged(newConfig);
   if(newConfig.orientation == Configuration.ORIENTATION_LANDSCAPE){
    Log.i("webview", " 现在是横屏1");
    islandport = false;
   }else if(newConfig.orientation == Configuration.ORIENTATION_PORTRAIT){
    Log.i("webview", " 现在是竖屏1");
    islandport = true;
   }
 }
}