[英]Android says “Can't play this video” when trying to launch mp4 from local storage
I've found a couple of related questions but could not find an answer for my specific issue. 我找到了几个相关的问题,但找不到针对我特定问题的答案。
I'm trying to launch a video activity which plays a video downloaded to the sdcard. 我正在尝试启动一个视频活动,该活动播放下载到sdcard的视频。 It throws an error saying "Can't play this video". 它抛出一个错误,提示“无法播放此视频”。 When I launch the video without the app it plays just fine. 当我在没有应用程序的情况下启动视频时,它可以正常播放。
Here I create the activity: 在这里,我创建活动:
VideoView mVideoView;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.videoview);
Intent intent = getIntent();
String url = intent.getStringExtra(MainActivity.EXTRA_MESSAGE);
setJsonData(url);
Log.d("URL VID",url);
Uri uri = Uri.parse(url); //Declare your url here.
mVideoView = (VideoView) findViewById(R.id.videoview);
mVideoView.setVideoURI(uri);
MediaController vidControl = new MediaController(this);
vidControl.setAnchorView(mVideoView);
mVideoView.setMediaController(vidControl);
mVideoView.requestFocus();
mVideoView.start();
}
When I do that I get this error after trying to start the video: 当我这样做时,尝试启动视频后出现此错误:
06-19 16:57:24.921 26033-26033/com.csform.android.uiapptemplate W/VideoView: Unable to open content: /storage/emulated/0/Nokia%20AirFrame.mp4
java.io.IOException: setDataSource failed.
at android.media.MediaPlayer.setDataSource(MediaPlayer.java:1120)
at android.media.MediaPlayer.setDataSource(MediaPlayer.java:1066)
at android.media.MediaPlayer.setDataSource(MediaPlayer.java:1003)
at android.widget.VideoView.openVideo(VideoView.java:437)
at android.widget.VideoView$7.surfaceCreated(VideoView.java:742)
at android.view.SurfaceView.updateWindow(SurfaceView.java:730)
at android.view.SurfaceView$3.onPreDraw(SurfaceView.java:211)
at android.view.ViewTreeObserver.dispatchOnPreDraw(ViewTreeObserver.java:944)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2420)
at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1324)
at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6712)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:894)
at android.view.Choreographer.doCallbacks(Choreographer.java:696)
at android.view.Choreographer.doFrame(Choreographer.java:631)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:880)
at android.os.Handler.handleCallback(Handler.java:815)
at android.os.Handler.dispatchMessage(Handler.java:104)
at android.os.Looper.loop(Looper.java:207)
at android.app.ActivityThread.main(ActivityThread.java:5728)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:789)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:679)
My permissions are set like this: 我的权限设置如下:
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.CAMERA" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
The mVideoView.setVideoURI(uri);
mVideoView.setVideoURI(uri);
method needs to be replaced by the mVideoView.setVideoPath(uri);
方法需要替换为mVideoView.setVideoPath(uri);
method. 方法。 Here uri
specifies the path of the video file on the SDCARD
. uri
在此指定SDCARD
上视频文件的SDCARD
。
setVideoURI
is not use when we wanna to load a video from SDCARD
and you must use setVideoPath
. setVideoURI
当我们想要加载从影像时不使用SDCARD
,您必须使用setVideoPath
。 setVideoURI
is only for stream video from internet. setVideoURI
仅用于来自Internet的流视频。
It seems to have been a filename issue. 似乎是文件名问题。 I changed the name so it doesn't have spaces or uppercase characters anymore and the error went away and I can play the video. 我更改了名称,使其不再包含空格或大写字符,并且错误消失了,我可以播放视频了。
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.