我正在开发某些应用程序 XYZ。在具有音频播放器模块的应用程序中。我使用以下代码从活动中启动播放器:
playButton = (ImageButton) findViewById(R.id.play_image_button);
playButton.refreshDrawableState();
playButton.setOnClickListener(new OnClickListener() {
public void onClick(View arg0) {
if (playCount % 2 == 0) {
if (Data.songProfileArrayList.size() > 0) {
SongProfileBean songData = Data.songProfileArrayList
.get(0);
if ("audio".equals(songData.getSongFileType())) {
playButton
.setBackgroundResource(R.drawable.pause_button);
playBackgroundMP3(Data.URL_BASE
+ songData.getSongName());
} else if ("video".equals(songData.getSongFileType())) {
Intent intent = new Intent(mContext,
VedioViewActivity.class);
intent.putExtra("VideoUrl", Data.URL_BASE
+ songData.getSongName());
startActivity(intent);
}
}
} else {
// stopPlay();
pauseSong();
// playerLayout.setVisibility(View.INVISIBLE);
// playButton.setImageDrawable(getResources().getDrawable(R.drawable.play_button));
playButton.setBackgroundResource(R.drawable.play_button);
}
playCount++;
}
});
要解释有关代码的更多信息:目前我正在使用相同的图像按钮单击音频歌曲从 Data.songProfileArrayList 一个数组列表开始,然后再次单击相同的按钮歌曲停止。
现在我的要求或问题要点:
其实我正在寻找以下内容:
1.是否有任何东西可以同时获得音频的进度状态。我已经浏览了1.developer docs 2.android docs on media
如果是,还建议在应用程序的每个活动上都有该状态栏的方式。
2.应该能够从每个活动进行音频,开始,停止。
请仅在查看所有提到的细节后提出一个有效的答案。仅建议回答如果您对此有深入的了解并且到目前为止已经做过
非常欢迎有效的帮助和建议
问候,
阿皮特
您好,在对问题进行研发之后,我能够获得默认控制器和进度状态。但是仍然希望这在每个活动中,并且应该是自定义控制器
package com.APP_NAME_XYZ.app;
import java.io.IOException;
import android.app.Activity;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnPreparedListener;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import android.view.MotionEvent;
import android.widget.MediaController;
import android.widget.TextView;
public class AudioPlayer extends Activity implements OnPreparedListener,
MediaController.MediaPlayerControl {
private static final String TAG = "AudioPlayer";
public static final String AUDIO_FILE_NAME = "audioFileName";
private MediaPlayer mediaPlayer;
private MediaController mediaController;
private String audioFile;
private Handler handler = new Handler();
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.audio_player);
// audioFile = this.getIntent().getStringExtra(AUDIO_FILE_NAME);
audioFile = "Provide URL of song";
mediaPlayer = new MediaPlayer();
mediaPlayer.setOnPreparedListener(this);
mediaController = new MediaController(this);
try {
mediaPlayer.setDataSource(audioFile);
mediaPlayer.prepare();
mediaPlayer.start();
} catch (IOException e) {
Log.e(TAG, "Could not open file " + audioFile + " for playback.", e);
}
}
@Override
protected void onStop() {
super.onStop();
mediaPlayer.stop();
mediaPlayer.release();
}
@Override
public boolean onTouchEvent(MotionEvent event) {
// the MediaController will hide after 3 seconds - tap the screen to
// make it appear again
mediaController.show();
return false;
}
// --MediaPlayerControl
// methods----------------------------------------------------
public void start() {
mediaPlayer.start();
}
public void pause() {
mediaPlayer.pause();
}
public int getDuration() {
return mediaPlayer.getDuration();
}
public int getCurrentPosition() {
return mediaPlayer.getCurrentPosition();
}
public void seekTo(int i) {
mediaPlayer.seekTo(i);
}
public boolean isPlaying() {
return mediaPlayer.isPlaying();
}
public int getBufferPercentage() {
return 0;
}
public boolean canPause() {
return true;
}
public boolean canSeekBackward() {
return true;
}
public boolean canSeekForward() {
return true;
}
// --------------------------------------------------------------------------------
public void onPrepared(MediaPlayer mediaPlayer) {
Log.d(TAG, "onPrepared");
mediaController.setMediaPlayer(this);
mediaController.setAnchorView(findViewById(R.id.main_audio_view));
handler.post(new Runnable() {
public void run() {
mediaController.setEnabled(true);
mediaController.show();
}
});
}
}
audio_player 布局如下:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/main_audio_view" android:layout_width="fill_parent"
android:layout_height="wrap_content" android:orientation="vertical">
<TextView android:layout_width="wrap_content"
android:layout_height="wrap_content" android:layout_gravity="center"
android:text="Now playing:" android:textSize="25sp" android:textStyle="bold" />
<TextView android:id="@+id/now_playing_text"
android:layout_width="wrap_content" android:layout_height="wrap_content"
android:layout_marginTop="20dip" android:layout_marginLeft="10dip"
android:layout_marginRight="10dip" android:layout_gravity="center"
android:text="Now playing.." android:textSize="16sp"
android:textStyle="italic" />
</LinearLayout>