今天的任务是
所以先来记录一下VideoView
经过一番操作之后,视频总算是放出来了
而且这个只是本地的视频,我播放网络的视频总是出现
然后报错
2020-10-15 10:07:12.914 11984-11984/cn.lanol.studykongjian V/MediaHTTPService: MediaHTTPService(android.media.MediaHTTPService@37be89c): Cookies: null 2020-10-15 10:07:12.916 11984-11984/cn.lanol.studykongjian E/MediaPlayerNative: Unable to create media player 2020-10-15 10:07:12.918 11984-11984/cn.lanol.studykongjian W/VideoView: Unable to open content: https://pan.lanol.cn/视频地址.mp4 java.io.IOException: setDataSource failed.: status=0x80000000 at android.media.MediaPlayer.nativeSetDataSource(Native Method) at android.media.MediaPlayer.setDataSource(MediaPlayer.java:1175) at android.media.MediaPlayer.setDataSource(MediaPlayer.java:1162) at android.media.MediaPlayer.setDataSource(MediaPlayer.java:1079) at android.media.MediaPlayer.setDataSource(MediaPlayer.java:1100) at android.widget.VideoView.openVideo(VideoView.java:412) at android.widget.VideoView.access$2200(VideoView.java:83) at android.widget.VideoView$7.surfaceCreated(VideoView.java:694) at android.view.SurfaceView.updateSurface(SurfaceView.java:1153) at android.view.SurfaceView.lambdanew0 at android.view.-$LambdaSurfaceView at android.view.ViewTreeObserver.dispatchOnPreDraw(ViewTreeObserver.java:1093) at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:3089) at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1952) at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:8171) at android.view.Choreographer$CallbackRecord.run(Choreographer.java:972) at android.view.Choreographer.doCallbacks(Choreographer.java:796) at android.view.Choreographer.doFrame(Choreographer.java:731) at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:957) at android.os.Handler.handleCallback(Handler.java:938) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loop(Looper.java:223) at android.app.ActivityThread.main(ActivityThread.java:7656) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:592) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:947) 2020-10-15 10:07:12.918 11984-11984/cn.lanol.studykongjian D/VideoView: Error: 1,0
于是暂时先放弃了,反正比赛也是无网环境。
起初播放本地视频也是如此,但后来发现是因为权限的原因,所以需要在AndroidManifest.xml中加入
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
然后还需要在Activity中动态申请权限
int permission = ActivityCompat.checkSelfPermission(videoVIew.this,
Manifest.permission.WRITE_EXTERNAL_STORAGE);
if (permission != PackageManager.PERMISSION_GRANTED) {
ActivityCompat.requestPermissions(videoVIew.this, PERMISSIONS_STORAGE,
REQUEST_EXTERNAL_STORAGE);
video.start();
}
然后在提示授权的时候点击允许
然后就没什么好说的了,这是Activity全部代码
package cn.lanol.studykongjian;
import android.Manifest;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.os.Environment;
import android.widget.MediaController;
import android.widget.VideoView;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
public class videoVIew extends AppCompatActivity {
private final int REQUEST_EXTERNAL_STORAGE = 1;
private String[] PERMISSIONS_STORAGE = {
Manifest.permission.READ_EXTERNAL_STORAGE,
Manifest.permission.WRITE_EXTERNAL_STORAGE };
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_video_view);
//设置视频地址
String videoUrl1 = Environment.getExternalStorageDirectory().getPath()+"/onceok.mp4" ;
//找到视频控件进行一系列设置
VideoView video = findViewById(R.id.video);
video.setMediaController(new MediaController(this));
video.setVideoPath(videoUrl1);
int permission = ActivityCompat.checkSelfPermission(videoVIew.this,
Manifest.permission.WRITE_EXTERNAL_STORAGE);
if (permission != PackageManager.PERMISSION_GRANTED) {
ActivityCompat.requestPermissions(videoVIew.this, PERMISSIONS_STORAGE,
REQUEST_EXTERNAL_STORAGE);
video.start();
}
}
}
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播放URL视频提示Can't play this video的问题解决了,因为没有加网络权限,所以需要在AndroidManifest.xml中加入
<uses-permission android:name="android.permission.INTERNET" />
然后就是设置播放URL
Uri uri = Uri.parse("https://pan.lanol.cn/播放地址.mp4")
video.setVideoURI(uri);