如何在Android中播放在线视频?
我正在Android中开发一个示例媒体播放器应用程序来播放在线视频,我已经开发了一些代码来播放视频。它可以很好地播放SD卡上的视频,但我在这方面面临两个问题 1-当我打开在线视频应用程序时,它会显示视频,但不会播放视频,一段时间后,它会显示一个警告对话框,其中显示消息“抱歉,无法播放此视频” 2-我有“进度条”的代码,但我不知道从互联网下载视频时将代码放在哪里 这是我的密码,你可以查一下。提前谢谢如何在Android中播放在线视频?,android,video-streaming,Android,Video Streaming,我正在Android中开发一个示例媒体播放器应用程序来播放在线视频,我已经开发了一些代码来播放视频。它可以很好地播放SD卡上的视频,但我在这方面面临两个问题 1-当我打开在线视频应用程序时,它会显示视频,但不会播放视频,一段时间后,它会显示一个警告对话框,其中显示消息“抱歉,无法播放此视频” 2-我有“进度条”的代码,但我不知道从互联网下载视频时将代码放在哪里 这是我的密码,你可以查一下。提前谢谢 myVideoView = (VideoView) findViewById(R.id.surfa
myVideoView = (VideoView) findViewById(R.id.surface_view);
try
{
myVideoView.setVideoURI(Uri.parse("http://www.MY_DOMAIN_NAME.com/videos/video1.mp4"));
myVideoView.setMediaController(new MediaController(this));
myVideoView.requestFocus();
myVideoView.start();
}
catch(Exception e)
{
Toast.makeText(getApplicationContext(), "No Media found", Toast.LENGTH_LONG).show();
}
像这样试试
VideoView v;
MediaController mediaController;
ProgressDialog progressDialog;
然后
如果仍然存在问题“无法播放此视频”
尝试改变视频格式,希望对你有所帮助。在Android中使用视频视图播放实时视频非常容易。我在这里粘贴代码,试试这一个它会很好地为你工作
public class PlayVideo extends Activity
{
//private String videoPath ="Url";
private static ProgressDialog progressDialog;
String videourl;
VideoView videoView ;
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.play_video);
videoView = (VideoView) findViewById(R.id.videoView);
progressDialog = ProgressDialog.show(PlayVideo.this, "", "Buffering
video...",true);
progressDialog.setCancelable(true);
PlayVideo();
}
private void PlayVideo()
{
try
{
getWindow().setFormat(PixelFormat.TRANSLUCENT);
MediaController mediaController = new MediaController(PlayVideo.this);
mediaController.setAnchorView(videoView);
Uri video = Uri.parse(videourl);
videoView.setMediaController(mediaController);
videoView.setVideoURI(videoPath);
videoView.requestFocus();
videoView.setOnPreparedListener(new OnPreparedListener()
{
public void onPrepared(MediaPlayer mp)
{
progressDialog.dismiss();
videoView.start();
}
});
}
catch(Exception e)
{
progressDialog.dismiss();
System.out.println("Video Play Error :"+e.toString());
finish();
}
}
}
您可以从以下链接找到代码:
更新2020 Kotlin、AndroidX和Android p+
ProgressDialog已弃用,因此我使用Alert Dialog在文件缓冲时显示加载对话框,然后开始播放:
private fun playVideo(videopath: String) {
Log.e("Playing Video File: ", "" + videopath);
try {
//Show Loader
val builder: AlertDialog.Builder = AlertDialog.Builder(this@ScreenCaptureImageActivity);
builder.setCancelable(false); // if you want user to wait for some process to finish,
builder.setView(R.layout.layout_loading_dialog);
progressDialog = builder.create();
//add Controller
val mediaController = MediaController(this@ScreenCaptureImageActivity);
videoView.setMediaController(mediaController)
//Add URI
//Uncomment to play from local path
//videoView.setVideoURI(Uri.parse(videopath))
//Example Play from Internet
videoView.setVideoPath("http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/ElephantsDream.mp4")
videoView.setOnPreparedListener {
progressDialog!!.dismiss();
//Start Playback
videoView.start()
Log.e(TAG, "Video Started");
}
} catch (e: Exception) {
progressDialog!!.dismiss();
Log.e(TAG, "Video Play Error :" + e.localizedMessage);
}
}
加载程序XML
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:padding="20dp">
<ProgressBar
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1" />
<TextView
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="4"
android:gravity="center"
android:text="Please wait! This may take a moment." />
</LinearLayout>
对于网络访问,请在清单中添加网络配置,这是Android p所必需的
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.STORAGE" />
<application
...
android:networkSecurityConfig="@xml/network_security_config"
>
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.STORAGE" />
<application
...
android:networkSecurityConfig="@xml/network_security_config"
>
<?xml version="1.0" encoding="utf-8"?>
<network-security-config>
<base-config cleartextTrafficPermitted="true">
<trust-anchors>
<certificates src="system" />
</trust-anchors>
</base-config>
</network-security-config>