I am getting a NPE when trying to play embeded video in webview in FULLSCREEN. It is working fine with 3.0 honeycomb but not with ICS 4.0+. Any idea how this can be resolved?
java.lang.NullPointerException
at android.webkit.PluginFullScreenHolder.show(PluginFullScreenHolder.java:85)
at android.webkit.WebView$PrivateHandler.handleMessage(WebView.java:8849)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4424)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
at dalvik.system.NativeStart.main(Native Method)
Any suggestion will be really appreciated. Thanks
Sometimes a YouTube page will load incorrectly, causing graphical issues in the process. If this is the reason you're encountering a full-screen error, pressing the F5 key or clicking the "Refresh" button will reload the YouTube page and fix the problem. Try using full-screen mode while Chrome isn't maximized.
An outdated version of Chrome can also cause full screen on Chrome not working. So, you can go to check whether you are using the latest version of Chrome. You can click the three-dot menu and then go to Settings > About Chrome to check whether it is up-to-date. If not, you need to upgrade it to the latest version.
Try adding a WebChromeClient to your WebView:
webView.setWebChromeClient(new WebChromeClient());
That should stop the crash (I think it's similar to what we were experiencing) but I don't think it will get the video to play in full screen.
To do that I think you will have to do something like this: Android ICS 4.0 Placing Flash WebView into full screen calls hideAll Method? Which I am still trying to figure out.
The problem is a bug in android OS. You need a work around to resolve this problem.
I was facing the same problem. The following work around worked for me.
Hope this will help some people:
Create the FullscreenableChromeClient and
add this line:
WebView.setWebChromeClient( new FullscreenableChromeClient(this));
public class FullscreenableChromeClient extends WebChromeClient {
protected Activity mActivity = null;
private View mCustomView;
private WebChromeClient.CustomViewCallback mCustomViewCallback;
private int mOriginalOrientation;
private FrameLayout mContentView;
private FrameLayout mFullscreenContainer;
private static final FrameLayout.LayoutParams COVER_SCREEN_PARAMS = new FrameLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
public FullscreenableChromeClient(Activity activity) {
this.mActivity = activity;
}
@Override
public void onShowCustomView(View view, int requestedOrientation, WebChromeClient.CustomViewCallback callback) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
if (mCustomView != null) {
callback.onCustomViewHidden();
return;
}
mOriginalOrientation = mActivity.getRequestedOrientation();
FrameLayout decor = (FrameLayout) mActivity.getWindow().getDecorView();
mFullscreenContainer = new FullscreenHolder(mActivity);
mFullscreenContainer.addView(view, COVER_SCREEN_PARAMS);
decor.addView(mFullscreenContainer, COVER_SCREEN_PARAMS);
mCustomView = view;
setFullscreen(true);
mCustomViewCallback = callback;
mActivity.setRequestedOrientation(requestedOrientation);
}
super.onShowCustomView(view, requestedOrientation, callback);
}
@Override
public void onHideCustomView() {
if (mCustomView == null) {
return;
}
setFullscreen(false);
FrameLayout decor = (FrameLayout) mActivity.getWindow().getDecorView();
decor.removeView(mFullscreenContainer);
mFullscreenContainer = null;
mCustomView = null;
mCustomViewCallback.onCustomViewHidden();
mActivity.setRequestedOrientation(mOriginalOrientation);
}
private void setFullscreen(boolean enabled) {
Window win = mActivity.getWindow();
WindowManager.LayoutParams winParams = win.getAttributes();
final int bits = WindowManager.LayoutParams.FLAG_FULLSCREEN;
if (enabled) {
winParams.flags |= bits;
} else {
winParams.flags &= ~bits;
if (mCustomView != null) {
mCustomView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_VISIBLE);
} else {
mContentView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_VISIBLE);
}
}
win.setAttributes(winParams);
}
private static class FullscreenHolder extends FrameLayout {
public FullscreenHolder(Context ctx) {
super(ctx);
setBackgroundColor(ctx.getResources().getColor(android.R.color.black));
}
@Override
public boolean onTouchEvent(MotionEvent evt) {
return true;
}
}
}
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