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我使用的是列表視圖和屏幕底部使用媒體控制器,第一次當我點擊任何列表項時,那時我能夠播放該歌曲,但是之後,當我做水龍頭上的另一個列表項,它不是在玩音樂(我的意思是不是停止現有的時候,而不是開始新)如何播放輕按列表項目歌曲
listview.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int position,
long id) {
// TODO Auto-generated method stub
Toast.makeText(getApplicationContext(), actorsList.get(position).getUrl(), Toast.LENGTH_LONG).show();
strTitle = actorsList.get(position).getTitle().toString();
textAudioTitle.setText(strTitle);
strURL = actorsList.get(position).getUrl().toString();
}
});
public void play(){
mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
try {
mediaPlayer.setDataSource(strURL);
} catch (IllegalArgumentException e) {
} catch (SecurityException e) {
} catch (IllegalStateException e) {
} catch (IOException e) {
e.printStackTrace();
}
try {
mediaPlayer.prepare();
} catch (IllegalStateException e) {
} catch (IOException e) {
}
mediaPlayer.start();
finalTime = mediaPlayer.getDuration();
startTime = mediaPlayer.getCurrentPosition();
if(oneTimeOnly == 0){
seekbar.setMax((int) finalTime);
oneTimeOnly = 1;
}
endTimeField.setText(String.format("%d : %d",
TimeUnit.MILLISECONDS.toMinutes((long) finalTime),
TimeUnit.MILLISECONDS.toSeconds((long) finalTime) -
TimeUnit.MINUTES.toSeconds(TimeUnit.MILLISECONDS.
toMinutes((long) finalTime)))
);
startTimeField.setText(String.format("%d : %d",
TimeUnit.MILLISECONDS.toMinutes((long) startTime),
TimeUnit.MILLISECONDS.toSeconds((long) startTime) -
TimeUnit.MINUTES.toSeconds(TimeUnit.MILLISECONDS.
toMinutes((long) startTime)))
);
seekbar.setProgress((int)startTime);
myHandler.postDelayed(UpdateSongTime,100);
btnPlay.setVisibility(View.GONE);
btnPause.setVisibility(View.VISIBLE);
}
private Runnable UpdateSongTime = new Runnable() {
public void run() {
startTime = mediaPlayer.getCurrentPosition();
startTimeField.setText(String.format("%d : %d",
TimeUnit.MILLISECONDS.toMinutes((long) startTime),
TimeUnit.MILLISECONDS.toSeconds((long) startTime) -
TimeUnit.MINUTES.toSeconds(TimeUnit.MILLISECONDS.
toMinutes((long) startTime)))
);
seekbar.setProgress((int)startTime);
myHandler.postDelayed(this, 100);
}
};
public void pause(){
mediaPlayer.pause();
btnPlay.setVisibility(View.VISIBLE);
btnPause.setVisibility(View.GONE);
}
所以我怎麼能控制上發揮新的歌曲? – Sophie 2014-10-28 07:24:11
停止媒體播放器使用某些事件處理程序播放當前播放的歌曲,然後開始播放新歌曲。 – vkm 2014-10-28 07:31:36