[英]MediaPlayer not playing after reopening the app
When i add mediaplayer.start in onResume i was expecting to start the audio when i reopen the the app but it dindt start it当我在 onResume 中添加 mediaplayer.start 时,我希望在我重新打开应用程序时启动音频,但它不会启动它
public MediaPlayer mediaPlayer;
int length = 0;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mediaPlayer = MediaPlayer.create(this, R.raw.andhadhun);
mediaPlayer.start();
}
@Override
protected void onPause() {
// TODO Auto-generated method stub
super.onPause();
mediaPlayer.pause();
length = mediaPlayer.getCurrentPosition();
}
@Override
protected void onResume() {
super.onResume();
mediaPlayer.setOnPreparedListener(MediaPlayer::start);
}
ok try this code好的试试这个代码
private MediaPlayer mediaPlayer = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mediaPlayer = MediaPlayer.create(this,R.raw.test);
mediaPlayer.start();
}
@Override
protected void onPause() {
if(mediaPlayer!=null)
mediaPlayer.pause();
super.onPause();
}
@Override
protected void onResume() {
super.onResume();
if(mediaPlayer!=null) {
mediaPlayer.start();
}
}
This will work, It pauses the MediaPlayer
in onStop
and resume in onResume
这将起作用,它会在
onStop
中暂停MediaPlayer
并在onResume
中恢复
public class MainActivity extends AppCompatActivity {
private MediaPlayer mediaPlayer;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mediaPlayer = MediaPlayer.create(this, R.raw.audio);
mediaPlayer.start();
}
@Override
protected void onStop() {
super.onStop();
if (mediaPlayer.isPlaying()) {
mediaPlayer.pause();
}
}
@Override
protected void onResume() {
super.onResume();
if (!mediaPlayer.isPlaying() && mediaPlayer != null) {
mediaPlayer.start();
}
}
}
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