blocks|key|1232778|text|就像这段从here中提取的代码一样简单。它们使用VideoView而不是MediaPlayer，这为您节省了几行代码：|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1232779|布局：|1232780|<?xml+version="1.0"+encoding="utf-8"?>

<LinearLayout+android:id="@%2Bid/LinearLayout01"
++++android:layout_height="fill_parent"+xmlns:android="http://schemas.android.com/apk/res/android"
++++android:paddingLeft="2px"+android:paddingRight="2px"
++++android:paddingTop="2px"+android:paddingBottom="2px"
++++android:layout_width="fill_parent"+android:orientation="vertical">

++++<VideoView+android:layout_height="fill_parent"
++++++++android:layout_width="fill_parent"+android:id="@%2Bid/VideoView"></VideoView>

</LinearLayout>|code-block|syntax|javascript|1232781|和代码：|1232782|public+class+VideoPlayerController+extends+Activity+{

++++@Override
++++public+void+onCreate(Bundle+savedInstanceState)+{
++++++++super.onCreate(savedInstanceState);

++++++++setContentView(R.layout.video);

++++++++VideoView+videoView+=+(VideoView)+findViewById(R.id.VideoView);
++++++++MediaController+mediaController+=+new+MediaController(this);
++++++++mediaController.setAnchorView(videoView);
//+Set+video+link+(mp4+format+)
++++++++Uri+video+=+Uri.parse("mp4+video+link");
++++++++videoView.setMediaController(mediaController);
++++++++videoView.setVideoURI(video);
++++++++videoView.start();

++++}
}|1232783|就这样。只需将mp4+video+link替换为流媒体视频url即可。|style|CODE|1232784|entityMap|0|LINK|mutability|MUTABLE|url|http://www.androidpeople.com/category/android-tutorial/^0|5|4|0|0|0|0|0|0|7|E|0^^$0|@$1|2|3|4|5|6|7|10|8|@]|9|@$A|11|B|12|1|13]]|C|$]]|$1|D|3|E|5|6|7|14|8|@]|9|@]|C|$]]|$1|F|3|G|5|H|7|15|8|@]|9|@]|C|$I|J]]|$1|K|3|L|5|6|7|16|8|@]|9|@]|C|$]]|$1|M|3|N|5|H|7|17|8|@]|9|@]|C|$I|J]]|$1|O|3|P|5|6|7|18|8|@$A|19|B|1A|Q|R]]|9|@]|C|$]]|$1|S|3|-4|5|6|7|1B|8|@]|9|@]|C|$]]]|T|$U|$5|V|W|X|C|$Y|Z]]]]

As easy as this code extracted from <a href="http://www.androidpeople.com/category/android-tutorial/" rel="noreferrer">here</a>. They use VideoView instead of a MediaPlayer, which saves you a few lines of code:

Layout:

<pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;

&lt;LinearLayout android:id="@+id/LinearLayout01"
 android:layout_height="fill_parent" xmlns:android="http://schemas.android.com/apk/res/android"
 android:paddingLeft="2px" android:paddingRight="2px"
 android:paddingTop="2px" android:paddingBottom="2px"
 android:layout_width="fill_parent" android:orientation="vertical"&gt;

 &lt;VideoView android:layout_height="fill_parent"
 android:layout_width="fill_parent" android:id="@+id/VideoView"&gt;&lt;/VideoView&gt;

&lt;/LinearLayout&gt;
</code></pre>

And code:

<pre><code>public class VideoPlayerController extends Activity {

 @Override
 public void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);

 setContentView(R.layout.video);

 VideoView videoView = (VideoView) findViewById(R.id.VideoView);
 MediaController mediaController = new MediaController(this);
 mediaController.setAnchorView(videoView);
// Set video link (mp4 format )
 Uri video = Uri.parse("mp4 video link");
 videoView.setMediaController(mediaController);
 videoView.setVideoURI(video);
 videoView.start();

 }
}
</code></pre>

That's all. Just replace <code>mp4 video link</code> with a streaming video url.

blocks|key|1232822|text|在媒体播放器中添加媒体控制器非常简单。使您的活动实现MediaPlayerControl并添加未实现的方法。代码如下：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1232823|我正在使用这里http://developer.android.com/resources/samples/ApiDemos/src/com/example/android/apis/media/MediaPlayerDemo_Video.html中的Api演示代码。|offset|length|1232824|public+class+ActivityVedioPlay+extends+Activity+implements
++++++++OnBufferingUpdateListener,+OnCompletionListener,+OnPreparedListener,
++++++++OnVideoSizeChangedListener,+SurfaceHolder.Callback,+MediaPlayerControl+{
.....

++++private+MediaPlayer+mMediaPlayer;
++++private+MediaController+mcontroller;
++++private+Handler+handler+=+new+Handler();
.....
@Override
++++public+boolean+onTouchEvent(MotionEvent+event)+{
++++++++/*
+++++++++*+the+MediaController+will+hide+after+3+seconds+-+tap+the+screen+to
+++++++++*+make+it+appear+again
+++++++++*/
++++++++mcontroller.show();
++++++++return+false;
++++}
......
private+void+playVideo()+{
++++++++doCleanUp();
++++++++try+{
++++++++++++path+=+getIntent().getStringExtra("url");
++++++++++++if+(path+==+"")+{
++++++++++++++++Toast.makeText(ActivityVedioPlay.this,+"URL+Not+found",
++++++++++++++++++++++++Toast.LENGTH_LONG).show();
++++++++++++}
++++++++++++mMediaPlayer+=+new+MediaPlayer();
++++++++++++mMediaPlayer.setDataSource(path);
++++++++++++mMediaPlayer.setDisplay(holder);
++++++++++++mMediaPlayer.prepare();
++++++++++++mMediaPlayer.setOnBufferingUpdateListener(this);
++++++++++++mMediaPlayer.setOnCompletionListener(this);
++++++++++++mMediaPlayer.setOnPreparedListener(this);
++++++++++++mMediaPlayer.setScreenOnWhilePlaying(true);
++++++++++++mMediaPlayer.setOnVideoSizeChangedListener(this);
++++++++++++mMediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
++++++++++++mcontroller+=+new+MediaController(this);
++++++++}+catch+(Exception+e)+{
++++++++++++e.printStackTrace();
++++++++}
++++}
......

public+void+onPrepared(MediaPlayer+mediaplayer)+{
++++++++Log.d(TAG,+"onPrepared+called");
++++++++mIsVideoReadyToBePlayed+=+true;
++++++++if+(mIsVideoReadyToBePlayed+&&+mIsVideoSizeKnown)+{
++++++++++++startVideoPlayback();
++++++++}
++++++++mcontroller.setMediaPlayer(this);
++++++++mcontroller.setAnchorView(findViewById(R.id.mediaplayer_surfaceview_container));
++++++++handler.post(new+Runnable()+{

++++++++++++public+void+run()+{
++++++++++++++++mcontroller.setEnabled(true);
++++++++++++++++mcontroller.show();
++++++++++++}
++++++++});
++++}

//mediacontroller+implemented+methods

++++public+void+start()+{
++++++++mMediaPlayer.start();
++++}

++++public+void+pause()+{
++++++++mMediaPlayer.pause();
++++}

++++public+int+getDuration()+{
++++++++return+mMediaPlayer.getDuration();
++++}

++++public+int+getCurrentPosition()+{
++++++++return+mMediaPlayer.getCurrentPosition();
++++}

++++public+void+seekTo(int+i)+{
++++++++mMediaPlayer.seekTo(i);
++++}

++++public+boolean+isPlaying()+{
++++++++return+mMediaPlayer.isPlaying();+
++++}

++++public+int+getBufferPercentage()+{
++++++++return+0;
++++}

++++public+boolean+canPause()+{
++++++++return+true;
++++}

++++public+boolean+canSeekBackward()+{
++++++++return+true;
++++}

++++public+boolean+canSeekForward()+{
++++++++return+true;
++++}|code-block|syntax|javascript|1232825|entityMap|0|LINK|mutability|MUTABLE|url|http://developer.android.com/resources/samples/ApiDemos/src/com/example/android/apis/media/MediaPlayerDemo_Video.html^0|0|7|39|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|T|8|@]|9|@$D|U|E|V|1|W]]|A|$]]|$1|F|3|G|5|H|7|X|8|@]|9|@]|A|$I|J]]|$1|K|3|-4|5|6|7|Y|8|@]|9|@]|A|$]]]|L|$M|$5|N|O|P|A|$Q|R]]]]

It's quite simple to add media controller in a media player. Make your activity implement MediaPlayerControl and add unimplemented methods. Code is as below:

I am using code from Api demos from here <a href="http://developer.android.com/resources/samples/ApiDemos/src/com/example/android/apis/media/MediaPlayerDemo_Video.html" rel="noreferrer">http://developer.android.com/resources/samples/ApiDemos/src/com/example/android/apis/media/MediaPlayerDemo_Video.html</a>

<pre><code>public class ActivityVedioPlay extends Activity implements
 OnBufferingUpdateListener, OnCompletionListener, OnPreparedListener,
 OnVideoSizeChangedListener, SurfaceHolder.Callback, MediaPlayerControl {
.....

 private MediaPlayer mMediaPlayer;
 private MediaController mcontroller;
 private Handler handler = new Handler();
.....
@Override
 public boolean onTouchEvent(MotionEvent event) {
 /*
 * the MediaController will hide after 3 seconds - tap the screen to
 * make it appear again
 */
 mcontroller.show();
 return false;
 }
......
private void playVideo() {
 doCleanUp();
 try {
 path = getIntent().getStringExtra("url");
 if (path == "") {
 Toast.makeText(ActivityVedioPlay.this, "URL Not found",
 Toast.LENGTH_LONG).show();
 }
 mMediaPlayer = new MediaPlayer();
 mMediaPlayer.setDataSource(path);
 mMediaPlayer.setDisplay(holder);
 mMediaPlayer.prepare();
 mMediaPlayer.setOnBufferingUpdateListener(this);
 mMediaPlayer.setOnCompletionListener(this);
 mMediaPlayer.setOnPreparedListener(this);
 mMediaPlayer.setScreenOnWhilePlaying(true);
 mMediaPlayer.setOnVideoSizeChangedListener(this);
 mMediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
 mcontroller = new MediaController(this);
 } catch (Exception e) {
 e.printStackTrace();
 }
 }
......

public void onPrepared(MediaPlayer mediaplayer) {
 Log.d(TAG, "onPrepared called");
 mIsVideoReadyToBePlayed = true;
 if (mIsVideoReadyToBePlayed &amp;&amp; mIsVideoSizeKnown) {
 startVideoPlayback();
 }
 mcontroller.setMediaPlayer(this);
 mcontroller.setAnchorView(findViewById(R.id.mediaplayer_surfaceview_container));
 handler.post(new Runnable() {

 public void run() {
 mcontroller.setEnabled(true);
 mcontroller.show();
 }
 });
 }

//mediacontroller implemented methods

 public void start() {
 mMediaPlayer.start();
 }

 public void pause() {
 mMediaPlayer.pause();
 }

 public int getDuration() {
 return mMediaPlayer.getDuration();
 }

 public int getCurrentPosition() {
 return mMediaPlayer.getCurrentPosition();
 }

 public void seekTo(int i) {
 mMediaPlayer.seekTo(i);
 }

 public boolean isPlaying() {
 return mMediaPlayer.isPlaying(); 
 }

 public int getBufferPercentage() {
 return 0;
 }

 public boolean canPause() {
 return true;
 }

 public boolean canSeekBackward() {
 return true;
 }

 public boolean canSeekForward() {
 return true;
 }
</code></pre>

I want media controls such as play/pause for streaming audio that I am playing in my app. I am using MediaPlayer to stream and play the audio. 

Can someone provide a code snippet on how to use MediaController with MediaPlayer? 

Thanks
Chris

MediaController with MediaPlayer

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我想要在我的应用程序中播放的流音频的媒体控件，如播放/暂停。我正在使用MediaPlayer来流式传输和播放音频。有人能提供一个关于如何在MediaPlayer中使用MediaController的代码片段吗？谢谢，克里斯

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