Java VideoView未播放视频(崩溃)
我在Android Studio中为一个应用程序制作了一个Java VideoView未播放视频(崩溃),java,android,Java,Android,我在Android Studio中为一个应用程序制作了一个VideoView。VideoView以新的视图播放视频,非常简单。它一直在工作,直到我改变了视频的来源。当我将源代码从'handleiding'更改为'handleidingengles'时,控制台出现以下错误: 05-02 22:49:59.450 26710-26710/com.company.app E/MediaPlayer﹕ Unable to create media player 05-02 22:49:59.452
VideoView
。VideoView
以新的视图播放视频,非常简单。它一直在工作,直到我改变了视频的来源。当我将源代码从'handleiding'
更改为'handleidingengles'
时,控制台出现以下错误:
05-02 22:49:59.450 26710-26710/com.company.app E/MediaPlayer﹕ Unable to create media player
05-02 22:49:59.452 26710-26710/com.company.app D/MediaPlayer﹕ Couldn't open file on client side, trying server side
05-02 22:49:59.459 26710-26721/com.company.app E/MediaPlayer﹕ error (1, -2147483648)
05-02 22:49:59.557 26710-26710/com.company.app E/MediaPlayer﹕ Error (1,-2147483648)
05-02 22:49:59.558 26710-26710/com.company.app D/VideoView﹕ Error: 1,-2147483648
05-02 22:49:59.586 26710-26710/com.company.app
D/AndroidRuntime﹕ Shutting down VM
05-02 22:49:59.586 26710-26710/com.company.app W/dalvikvm﹕ threadid=1: thread exiting with uncaught exception (group=0x415ddd40)
05-02 22:49:59.589 26710-26710/com.company.app E/AndroidRuntime﹕ FATAL EXCEPTION: main
Process: com.company.app, PID: 26710
android.view.WindowManager$BadTokenException: Unable to add window -- token null is not for an application
at android.view.ViewRootImpl.setView(ViewRootImpl.java:554)
at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:259)
at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:69)
at android.app.Dialog.show(Dialog.java:286)
at android.app.AlertDialog$Builder.show(AlertDialog.java:951)
at android.widget.VideoView$5.onError(VideoView.java:515)
at android.media.MediaPlayer$EventHandler.handleMessage(MediaPlayer.java:2264)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5086)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:785)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:601)
at dalvik.system.NativeStart.main(Native Method)
这是我的代码:
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.video);
FrameLayout.LayoutParams lp = new FrameLayout.LayoutParams(
ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
FrameLayout fl = new FrameLayout(this);
fl.setLayoutParams(lp);
final int INSERT_ID = Menu.FIRST;
System.gc();
Intent i = getIntent();
Bundle extras = i.getExtras();
VideoView vv = new VideoView(getApplicationContext());
setContentView(vv);
FrameLayout.LayoutParams lp2 = new FrameLayout.LayoutParams(lp);
lp2.gravity = Gravity.CENTER;
vv.setLayoutParams(lp2);
vv.setVideoURI(Uri.parse("android.resource://" + getPackageName() + "/" + R.drawable.handleidingengels));
vv.setMediaController(new MediaController(this));
vv.requestFocus();
vv.start();
vv.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
@Override
public void onPrepared(MediaPlayer mp) {
mp.setVolume(0, 0);
}
});
}
private void createNote() {
requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
}
问题是这条线
VideoView vv = new VideoView(getApplicationContext());
您需要创建活动上下文
VideoView vv = new VideoView(this);
现在它给出了一个错误,即电影无法播放“无法创建媒体播放器”“无法在客户端打开文件,正在尝试服务器端”检查。您为视频视图传递的URI,为什么在那里使用drawable?