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The Android Open Source Project
2008-10-21 07:00:00 -07:00
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86
samples/ApiDemos/src/com/example/android/apis/media/MediaPlayerDemo.java Normal file
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package com.example.android.apis.media;
import com.example.android.apis.R;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
public class MediaPlayerDemo extends Activity {
private Button mlocalvideo;
private Button mresourcesvideo;
private Button mstreamvideo;
private Button mlocalaudio;
private Button mresourcesaudio;
private Button mstreamaudio;
private static final String MEDIA = "media";
private static final int LOCAL_AUDIO = 1;
private static final int STREAM_AUDIO = 2;
private static final int RESOURCES_AUDIO = 3;
private static final int LOCAL_VIDEO = 4;
private static final int STREAM_VIDEO = 5;
private static final int RESOURCES_VIDEO = 6;
@Override
protected void onCreate(Bundle icicle) {
// TODO Auto-generated method stub
super.onCreate(icicle);
setContentView(R.layout.mediaplayer_1);
mlocalaudio = (Button) findViewById(R.id.localaudio);
mlocalaudio.setOnClickListener(mLocalAudioListener);
mresourcesaudio = (Button) findViewById(R.id.resourcesaudio);
mresourcesaudio.setOnClickListener(mResourcesAudioListener);
mlocalvideo = (Button) findViewById(R.id.localvideo);
mlocalvideo.setOnClickListener(mLocalVideoListener);
mstreamvideo = (Button) findViewById(R.id.streamvideo);
mstreamvideo.setOnClickListener(mStreamVideoListener);
}
private OnClickListener mLocalAudioListener = new OnClickListener() {
public void onClick(View v) {
Intent intent =
new Intent(MediaPlayerDemo.this.getApplication(),
MediaPlayerDemo_Audio.class);
intent.putExtra(MEDIA, LOCAL_AUDIO);
startActivity(intent);
}
};
private OnClickListener mResourcesAudioListener = new OnClickListener() {
public void onClick(View v) {
Intent intent =
new Intent(MediaPlayerDemo.this.getApplication(),
MediaPlayerDemo_Audio.class);
intent.putExtra(MEDIA, RESOURCES_AUDIO);
startActivity(intent);
}
};
private OnClickListener mLocalVideoListener = new OnClickListener() {
public void onClick(View v) {
Intent intent =
new Intent(MediaPlayerDemo.this,
MediaPlayerDemo_Video.class);
intent.putExtra(MEDIA, LOCAL_VIDEO);
startActivity(intent);
}
};
private OnClickListener mStreamVideoListener = new OnClickListener() {
public void onClick(View v) {
Intent intent =
new Intent(MediaPlayerDemo.this,
MediaPlayerDemo_Video.class);
intent.putExtra(MEDIA, STREAM_VIDEO);
startActivity(intent);
}
};
}

85
samples/ApiDemos/src/com/example/android/apis/media/MediaPlayerDemo_Audio.java Normal file
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package com.example.android.apis.media;
import android.app.Activity;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.util.Log;
import android.widget.TextView;
import android.widget.Toast;
import com.example.android.apis.R;
public class MediaPlayerDemo_Audio extends Activity {
private static final String TAG = "MediaPlayerDemo";
private MediaPlayer mMediaPlayer;
private static final String MEDIA = "media";
private static final int LOCAL_AUDIO = 1;
private static final int STREAM_AUDIO = 2;
private static final int RESOURCES_AUDIO = 3;
private static final int LOCAL_VIDEO = 4;
private static final int STREAM_VIDEO = 5;
private String path;
private TextView tx;
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
tx = new TextView(this);
setContentView(tx);
Bundle extras = getIntent().getExtras();
playAudio(extras.getInt(MEDIA));
}
private void playAudio(Integer media) {
try {
switch (media) {
case LOCAL_AUDIO:
/**
* TODO: Set the path variable to a local audio file path.
*/
path = "";
if (path == "") {
// Tell the user to provide an audio file URL.
Toast
.makeText(
MediaPlayerDemo_Audio.this,
"Please edit MediaPlayer_Audio Activity, "
+ "and set the path variable to your audio file path."
+ " Your audio file must be stored on sdcard.",
Toast.LENGTH_LONG).show();
}
mMediaPlayer = new MediaPlayer();
mMediaPlayer.setDataSource(path);
mMediaPlayer.prepare();
mMediaPlayer.start();
break;
case RESOURCES_AUDIO:
/**
* TODO: Upload a audio file to res/raw folder and provide
* its resid in MediaPlayer.create() method.
*/
mMediaPlayer = MediaPlayer.create(this, R.raw.test_cbr);
mMediaPlayer.start();
}
tx.setText("Playing audio...");
} catch (Exception e) {
Log.e(TAG, "error: " + e.getMessage(), e);
}
}
@Override
protected void onDestroy() {
super.onDestroy();
// TODO Auto-generated method stub
if (mMediaPlayer != null) {
mMediaPlayer.release();
mMediaPlayer = null;
}
}
}

169
samples/ApiDemos/src/com/example/android/apis/media/MediaPlayerDemo_Video.java Normal file
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package com.example.android.apis.media;
import com.example.android.apis.R;
import com.example.android.apis.app.AlarmController;
import android.app.Activity;
import android.graphics.PixelFormat;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnBufferingUpdateListener;
import android.media.MediaPlayer.OnCompletionListener;
import android.os.Bundle;
import android.util.Log;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;
public class MediaPlayerDemo_Video extends Activity implements
OnBufferingUpdateListener, OnCompletionListener,
MediaPlayer.OnPreparedListener, SurfaceHolder.Callback {
private static final String TAG = "MediaPlayerDemo";
private int mVideoWidth;
private int mVideoHeight;
private MediaPlayer mMediaPlayer;
private SurfaceView mPreview;
private SurfaceHolder holder;
private String path;
private Bundle extras;
private static final String MEDIA = "media";
private static final int LOCAL_AUDIO = 1;
private static final int STREAM_AUDIO = 2;
private static final int RESOURCES_AUDIO = 3;
private static final int LOCAL_VIDEO = 4;
private static final int STREAM_VIDEO = 5;
/**
*
* Called when the activity is first created.
*/
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.mediaplayer_2);
mPreview = (SurfaceView) findViewById(R.id.surface);
holder = mPreview.getHolder();
holder.addCallback(this);
holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
extras = getIntent().getExtras();
}
private void playVideo(Integer Media) {
try {
switch (Media) {
case LOCAL_VIDEO:
/*
* TODO: Set the path variable to a local media file path.
*/
path = "";
if (path == "") {
// Tell the user to provide a media file URL.
Toast
.makeText(
MediaPlayerDemo_Video.this,
"Please edit MediaPlayerDemo_Video Activity, "
+ "and set the path variable to your media file path."
+ " Your media file must be stored on sdcard.",
Toast.LENGTH_LONG).show();
}
break;
case STREAM_VIDEO:
/*
* TODO: Set path variable to progressive streamable mp4 or
* 3gpp format URL. Http protocol should be used.
* Mediaplayer can only play "progressive streamable
* contents" which basically means: 1. the movie atom has to
* precede all the media data atoms. 2. The clip has to be
* reasonably interleaved.
*
*/
path = "";
if (path == "") {
// Tell the user to provide a media file URL.
Toast
.makeText(
MediaPlayerDemo_Video.this,
"Please edit MediaPlayerDemo_Video Activity,"
+ " and set the path variable to your media file URL.",
Toast.LENGTH_LONG).show();
}
break;
}
// Create a new media player and set the listeners
mMediaPlayer = new MediaPlayer();
mMediaPlayer.setDataSource(path);
mMediaPlayer.setDisplay(holder);
mMediaPlayer.prepare();
mMediaPlayer.setOnBufferingUpdateListener(this);
mMediaPlayer.setOnCompletionListener(this);
mMediaPlayer.setOnPreparedListener(this);
mMediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
} catch (Exception e) {
Log.e(TAG, "error: " + e.getMessage(), e);
}
}
public void onBufferingUpdate(MediaPlayer arg0, int percent) {
Log.d(TAG, "onBufferingUpdate percent:" + percent);
}
public void onCompletion(MediaPlayer arg0) {
Log.d(TAG, "onCompletion called");
}
public void onPrepared(MediaPlayer mediaplayer) {
Log.d(TAG, "onPrepared called");
mVideoWidth = mMediaPlayer.getVideoWidth();
mVideoHeight = mMediaPlayer.getVideoHeight();
if (mVideoWidth != 0 && mVideoHeight != 0) {
holder.setFixedSize(mVideoWidth, mVideoHeight);
mMediaPlayer.start();
}
}
public void surfaceChanged(SurfaceHolder surfaceholder, int i, int j, int k) {
Log.d(TAG, "surfaceChanged called");
}
public void surfaceDestroyed(SurfaceHolder surfaceholder) {
Log.d(TAG, "surfaceDestroyed called");
}
public void surfaceCreated(SurfaceHolder holder) {
// TODO Auto-generated method stub
Log.d(TAG, "surfaceCreated called");
playVideo(extras.getInt(MEDIA));
}
@Override
protected void onDestroy() {
super.onDestroy();
// TODO Auto-generated method stub
if (mMediaPlayer != null) {
mMediaPlayer.release();
mMediaPlayer = null;
}
}
}

48
samples/ApiDemos/src/com/example/android/apis/media/VideoViewDemo.java Normal file
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package com.example.android.apis.media;
import com.example.android.apis.R;
import android.app.Activity;
import android.graphics.PixelFormat;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;
import android.widget.MediaController;
import android.widget.Toast;
import android.widget.VideoView;
public class VideoViewDemo extends Activity {
/**
* TODO: Set the path variable to a streaming video URL or a local media
* file path.
*/
private String path = "";
private VideoView mVideoView;
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.videoview);
mVideoView = (VideoView) findViewById(R.id.surface_view);
if (path == "") {
// Tell the user to provide a media file URL/path.
Toast.makeText(
VideoViewDemo.this,
"Please edit VideoViewDemo Activity, and set path"
+ " variable to your media file URL/path",
Toast.LENGTH_LONG).show();
} else {
/*
* Alternatively,for streaming media you can use
* mVideoView.setVideoURI(Uri.parse(URLstring));
*/
mVideoView.setVideoPath(path);
mVideoView.setMediaController(new MediaController(this));
mVideoView.requestFocus();
}
}
}