[英]How do I loop threw my mediaPlayer on a delay without having sounds playing over one another?
我正在尝试创建一个应用程序,它将告诉用户“Ready Go”它会给用户两秒钟的设置,然后是随机的一段时间之后,它会说准备好,随后的一段时间后它会说去。 我得到了这个部分工作,但现在我想把它循环到用户只需要按一次按钮,它将继续播放。 然而,当我把它放在一个循环中时,它会立即通过它,并最终同时播放所有“Ready Go”。 我能做些什么来阻止这种情况吗?
public class MainActivity extends AppCompatActivity {
public Context context;
MediaPlayer mediaPlayer;
MediaPlayer mediaPlayer1;
public void start (View view) {
play();
}
public void play() {
//When I put a loop here I will get the audio playing over each other, I
//also tried to put it in the start method but I get the same result. Is
//there another way I should be going about this? Thanks for the help!
long range = 2000L;
Random r = new Random();
long number = (long) (r.nextDouble() * range);
long range1 = 1500L;
Random rand = new Random();
long number1 = (long) (r.nextDouble() * range);
Handler handler = new Handler();
handler.postDelayed(new Runnable() {
@Override
public void run() {
Log.i("Info", "Ready");
mediaPlayer.start();
}
}, 2000 + number);
Handler handler3 = new Handler();
handler3.postDelayed(new Runnable() {
@Override
public void run() {
Log.i("Info", "Go");
mediaPlayer1.start();
}
}, 2200 + number + number1);
}
}
把它放在onCreate方法中
mediaPlayer1.setOnCompletionListener(new OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer mp) {
play();
}
});
这将在完成mediaPlayer1
再次调用play
方法。 播放。
使用CompletionListener代替循环,在play()中调用playAudio1方法。 代码如下,
mediaPlayer1.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer mp) {
playAudio2();
}
});
mediaPlayer2.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer mp) {
playAudio1();
}
});
playAudio1和playAudio2方法,
private void playAudio2() {
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
Log.i("Info", "Go");
mediaPlayer1.start();
}
}, 2200 + number + number1);
}
private void playAudio1() {
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
Log.i("Info", "Ready");
mediaPlayer1.start();
}
}, 2000 + number);
}
在mediaPlayer.start()之前使用mediaPlayer.prepare()或mediaPlayer.prepareAsync()。
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.