Android 媒体播放器在接到电话时不会停止
MediaPlayer在接到电话时不会暂停。任何人都可以使用我可以添加的代码来修复此问题。如果有人能帮忙,那就太好了!只有初学者 我在下面添加了on-Stop-from-answer,它可以工作,但如果我试图用后退按钮或操作栏中的后退按钮返回到应用程序的主菜单,它就会崩溃Android 媒体播放器在接到电话时不会停止,android,audio,android-mediaplayer,phone-call,Android,Audio,Android Mediaplayer,Phone Call,MediaPlayer在接到电话时不会暂停。任何人都可以使用我可以添加的代码来修复此问题。如果有人能帮忙,那就太好了!只有初学者 我在下面添加了on-Stop-from-answer,它可以工作,但如果我试图用后退按钮或操作栏中的后退按钮返回到应用程序的主菜单,它就会崩溃 public class player1 extends Activity implements Runnable { private MediaPlayer mp; private ProgressBar progre
public class player1 extends Activity implements Runnable {
private MediaPlayer mp;
private ProgressBar progressBar;
private ImageButton pauseicon;
private final int NUM_SOUND_FILES = 3; //*****REPLACE THIS WITH THE ACTUAL NUMBER OF SOUND FILES YOU HAVE*****
private int mfile[] = new int[NUM_SOUND_FILES];
private Random rnd = new Random();
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.player_1);
pauseicon = (ImageButton) findViewById(R.id.pauseicon);
progressBar = (ProgressBar) findViewById(R.id.progressBar);
getActionBar().setDisplayHomeAsUpEnabled(true);
mfile[0] = R.raw.sound01; //****REPLACE THESE WITH THE PROPER NAMES OF YOUR SOUND FILES
mfile[1] = R.raw.sound02; //PLACE THE SOUND FILES IN THE /res/raw/ FOLDER IN YOUR PROJECT*****
mfile[2] = R.raw.sound03;
// Listeners
/**
* Play button click event
* plays a song and changes button to pause image
* pauses a song and changes button to play image
* */
try{
mp = MediaPlayer.create(player1.this, mfile[rnd.nextInt(NUM_SOUND_FILES)]);
mp.seekTo(0);
mp.start(); ;
progressBar.setVisibility(ProgressBar.VISIBLE);
progressBar.setProgress(0);
progressBar.setMax(mp.getDuration());
new Thread(this).start();
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (IllegalStateException e) {
e.printStackTrace();
}
mp.setOnCompletionListener(new OnCompletionListener() {
public void onCompletion(MediaPlayer mp) {
pauseicon.setImageResource(R.drawable.playicon);
mp.seekTo(0);
}
});
pauseicon.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
if(mp.isPlaying()) {
mp.pause();
((ImageButton) v).setImageResource(R.drawable.playicon);
} else {
mp.start();
((ImageButton) v).setImageResource(R.drawable.pauseicon);
}
}
});
}
static boolean runThread = true;
public void run() {
while ( runThread ) {
int currentPosition=0;
int total = mp.getDuration();
if ( mp != null && currentPosition <= total ) {
try {
Thread.sleep(1000);
currentPosition= mp.getCurrentPosition();
} catch (InterruptedException e) {
return;
} catch (Exception e) {
return;
}
progressBar.setProgress(currentPosition);
} else
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
runThread = false;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
NavUtils.navigateUpFromSameTask(this);
if (mp != null)
if(mp.isPlaying())
mp.stop();
mp.release();
return true;
default:
return super.onOptionsItemSelected(item);
}
}
@Override
public void onBackPressed(){
if (mp != null){
if(mp.isPlaying())
mp.stop();
mp.release();
}
//there is no reason to call super.finish(); here
//call super.onBackPressed(); and it will finish that activity for you
super.onBackPressed();
}
@Override
protected void onStop() {
super.onStop();
if (mp != null && mp.isPlaying()){
mp.pause();
}
}
}
当接到电话时,您的活动进入后台,并在
onStop()
中收到回调
因此,onStop()
应该做一些类似于onBackPressed()
所做的事情
@Override
protected void onStop() {
super.onStop();
if (mp != null && mp.isPlaying()){
mp.pause();
}
}
要扩展到这一点,您可能需要在那里执行
mp.pause()
,并在onStart()中使用mp.start()
进行类似的操作
嘿,我试过这个,但当电话铃响时,它就崩溃了。等等,可能是我的错,让我再试一次。它可以工作,但如果我尝试使用操作栏中的“后退”按钮或“后退”按钮返回,它就崩溃了。我会发布日志查看我的更新代码,请使用pause()
而不是stop()
,因为我假设一旦音乐播放器处于停止状态,您就无法再次停止它,这可能是它在返回时崩溃的原因。
@Override
protected void onStop() {
super.onStop();
if (mp != null && mp.isPlaying()){
mp.pause();
}
}