我是一个菜鸟，我在我的应用程序中停止音乐时遇到问题，在我关闭应用程序后，它一直播放很长时间。继承了一些代码我希望有人可以提供帮助！这是我需要帮助的部分，其余代码可以工作。
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import android.app.Activity;
import android.content.ContentValues;
import android.content.Intent;
import android.content.res.AssetFileDescriptor;
import android.content.res.Resources;
import android.graphics.Typeface;
import android.media.MediaPlayer;
import android.media.RingtoneManager;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.view.ContextMenu;
import android.view.MenuItem;
import android.view.View;
import android.view.ContextMenu.ContextMenuInfo;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
public class Tones extends Activity {
int selectedSoundId;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.tones);
final MediaPlayer player = new MediaPlayer();
final Resources res = getResources();
// Keep them in the same order
final int[] buttonIds = { R.id.s1, R.id.s2,
R.id.s3, R.id.s4, R.id.s5,
R.id.s6, R.id.s7,
R.id.s8, R.id.s9, R.id.s10,
R.id.s11, R.id.s12, R.id.s13,
R.id.14, R.id.s15 };
final int[] soundIds = { R.raw.s1, R.raw.s2,
R.raw.s3, R.raw.s4, R.raw.s5,
R.raw.s6, R.raw.s7,
R.raw.s8, R.raw.s9, R.raw.s10,
R.raw.s11, R.raw.s12, R.raw.s13,
R.raw.s14, R.raw.s15, };
View.OnClickListener listener = new View.OnClickListener() {
public void onClick(View v) {
// find the index that matches the button's ID, and then reset
// the MediaPlayer instance, set the data source to the
// corresponding
// sound effect, prepare it, and start it playing.
for (int i = 0; i < buttonIds.length; i++) {
if (v.getId() == buttonIds[i]) {
selectedSoundId = soundIds[i];
AssetFileDescriptor afd = res
.openRawResourceFd(soundIds[i]);
player.reset();
try {
player.setDataSource(afd.getFileDescriptor(),
afd.getStartOffset(), afd.getLength());
} catch (IllegalArgumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
player.prepare();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
player.start();
}
else if (v.getId() == buttonIds[i]) {
selectedSoundId = soundIds[i];
player.pause();
finish();
}
}
}
};
// set the same listener for every button ID, no need
// to keep a reference to every button
for (int i = 0; i < buttonIds.length; i++) {
Button soundButton = (Button) findViewById(buttonIds[i]);
registerForContextMenu(soundButton);
soundButton.setOnClickListener(listener);
}
}
@Override
public void onCreateContextMenu(ContextMenu menu, View v,
ContextMenuInfo menuInfo) {
super.onCreateContextMenu(menu, v, menuInfo);
menu.setHeaderTitle("Save As...");
menu.add(0, v.getId(), 0, "Ringtone");
menu.add(0, v.getId(), 0, "Notification");
}
@Override
public boolean onContextItemSelected(MenuItem item) {
if (item.getTitle() == "Ringtone") {
function1(item.getItemId());
} else if (item.getTitle() == "Notification") {
function2(item.getItemId());
} else {
return false;
}
return true;
}
public void function1(int id) {
if (savering(selectedSoundId)) {
// Code if successful
Toast.makeText(this, "Saved as Ringtone", Toast.LENGTH_SHORT)
.show();
} else {
// Code if unsuccessful
Toast.makeText(this, "Failed - Check your SDCard",
Toast.LENGTH_SHORT).show();
}
}
public void function2(int id) {
if (savenot(selectedSoundId)) {
// Code if successful
Toast.makeText(this, "Saved as Notification", Toast.LENGTH_SHORT)
.show();
} else {
// Code if unsuccessful
Toast.makeText(this, "Failed - Check your SDCard",
Toast.LENGTH_SHORT).show();
}
}
// Save into Ring tone Folder
public boolean savering(int ressound) {
byte[] buffer = null;
InputStream fIn = getBaseContext().getResources().openRawResource(
ressound);
try {
buffer = new byte[fIn.available()];
fIn.read();
fIn.close();
} catch (IOException e) {
// TODO Auto-generated catch block
return false;
}
String path = Environment.getExternalStorageDirectory().getPath()
+ "/media/ringtone/";
String filename = "sounds1" + selectedSoundId + ".mp3";
boolean exists = (new File(path)).exists();
if (!exists) {
new File(path).mkdirs();
}
FileOutputStream save;
try {
save = new FileOutputStream(path + filename);
save.write(buffer);
save.flush();
save.close();
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
return false;
} catch (IOException e) {
// TODO Auto-generated catch block
return false;
}
sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE,
Uri.parse("file://" + path + filename)));
File k = new File(path, filename);
ContentValues values = new ContentValues();
values.put(MediaStore.MediaColumns.DATA, k.getAbsolutePath());
values.put(MediaStore.MediaColumns.TITLE, selectedSoundId);
values.put(MediaStore.MediaColumns.MIME_TYPE, "audio/mp3");
values.put(MediaStore.Audio.Media.ARTIST, "sounds");
values.put(MediaStore.Audio.Media.IS_RINGTONE, true);
values.put(MediaStore.Audio.Media.IS_NOTIFICATION, false);
values.put(MediaStore.Audio.Media.IS_ALARM, true);
values.put(MediaStore.Audio.Media.IS_MUSIC, false);
Uri uri = MediaStore.Audio.Media.getContentUriForPath(k
.getAbsolutePath());
getContentResolver().delete(
uri,
MediaStore.MediaColumns.DATA + "=\"" + k.getAbsolutePath()
+ "\"", null);
Uri newUri = getContentResolver().insert(uri, values);
RingtoneManager.setActualDefaultRingtoneUri(this,
RingtoneManager.TYPE_RINGTONE, newUri);
return true;
}
// Save in Notification Folder
public boolean savenot(int ressound) {
byte[] buffer = null;
InputStream fIn = getBaseContext().getResources().openRawResource(
ressound);
int size = 0;
try {
size = fIn.available();
buffer = new byte[size];
fIn.read(buffer);
fIn.close();
} catch (IOException e) {
// TODO Auto-generated catch block
return false;
}
String path = Environment.getExternalStorageDirectory().getPath()
+ "/media/notification/";
String filename = "sounds" + selectedSoundId + ".mp3";
boolean exists = (new File(path)).exists();
if (!exists) {
new File(path).mkdirs();
}
FileOutputStream save;
try {
save = new FileOutputStream(path + filename);
save.write(buffer);
save.flush();
save.close();
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
return false;
} catch (IOException e) {
// TODO Auto-generated catch block
return false;
}
sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE,
Uri.parse("file://" + path + filename)));
File k = new File(path, filename);
ContentValues values = new ContentValues();
values.put(MediaStore.MediaColumns.DATA, k.getAbsolutePath());
values.put(MediaStore.MediaColumns.TITLE, selectedSoundId);
values.put(MediaStore.MediaColumns.MIME_TYPE, "audio/mp3");
values.put(MediaStore.Audio.Media.ARTIST, "sounds");
values.put(MediaStore.Audio.Media.IS_RINGTONE, false);
values.put(MediaStore.Audio.Media.IS_NOTIFICATION, true);
values.put(MediaStore.Audio.Media.IS_ALARM, true);
values.put(MediaStore.Audio.Media.IS_MUSIC, false);
Uri uri = MediaStore.Audio.Media.getContentUriForPath(k
.getAbsolutePath());
getContentResolver().delete(
uri,
MediaStore.MediaColumns.DATA + "=\"" + k.getAbsolutePath()
+ "\"", null);
Uri newUri = getContentResolver().insert(uri, values);
RingtoneManager.setActualDefaultRingtoneUri(this,
RingtoneManager.TYPE_NOTIFICATION, newUri);
return true;
答案 0 :(得分：0)
//Give path of your media file
String path="";
MediaPlayer Uri myUri = Uri.parse(audPath[songIndex]);
mp=new MediaPlayer();
mp.setLooping(false);
mp = MediaPlayer.create(ActivityName.this, myUri);
mp.start();
//stop music file on completion
mp.setOnCompletionListener(new OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer mp) {
// TODO Auto-generated method stub
mp.stop();
mp.release();
}
});