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此代碼在初始循環中正常工作。但是,一旦我停下來再次敲擊循環按鈕,文件就會混亂起來,並且按順序播放。任何人都有線索是什麼錯誤?任何幫助,將不勝感激。在Android的循環聲音文件?
public class OneExp extends ActionBarActivity {
private ListView lv;
private ArrayAdapter<String> arrayAdapter;
private MediaPlayer mp;
private MediaPlayer mp2;
int[] myAudio = {R.raw.e_1101, R.raw.e_1102, R.raw.e_1103, R.raw.e_1104, R.raw.e_1105,
R.raw.e_1106, R.raw.e_1107, R.raw.e_1108, R.raw.e_1109, R.raw.e_1110, R.raw.e_1111};
int mCompleted = 0;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.one_exp);
Button btnLoop = (Button) findViewById(R.id.button1);
Button btnStop = (Button) findViewById(R.id.button2);
btnStop.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
if (mp2 != null) {
if (mp2.isPlaying()) {
mp2.stop();
}
mp2.reset();
mp2.release();
mp2 = null;
}
}
});
btnLoop.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
mp2 = MediaPlayer.create(getBaseContext(), myAudio[0]);
mp2.setOnCompletionListener(new OnCompletionListener()
{
@Override
public void onCompletion(MediaPlayer mp2)
{
mCompleted++;
mp2.reset();
if (mCompleted < myAudio.length)
{
try
{
AssetFileDescriptor afd = getResources().openRawResourceFd(myAudio[mCompleted]);
if (afd != null)
{
mp2.setDataSource(afd.getFileDescriptor(), afd.getStartOffset(), afd.getLength());
afd.close();
mp2.prepare();
mp2.start();
}
}
catch (Exception ex)
{
ex.printStackTrace();
}
}
else if (mCompleted>=myAudio.length)
{
mCompleted =0;
try
{
AssetFileDescriptor afd = getResources().openRawResourceFd(myAudio[mCompleted]);
if (afd != null)
{
mp2.setDataSource(afd.getFileDescriptor(), afd.getStartOffset(), afd.getLength());
afd.close();
mp2.prepare();
mp2.start();
}
}
catch (Exception ex)
{
ex.printStackTrace();
}
}
else
{
mCompleted=0;
mp2.release();
mp2 = null;
}
}
});
mp2.start();
}
});
我想循環一系列文件,而不僅僅是一個。你如何設置一個例如連續三個文件的循環,並重復所有三個,直到我推停止? – user3623689
我會做一個正常的FOR()循環。如果只有3個文件,它們會在同一時間停止,而不會有任何明顯的延遲。 – Riverside