我有一个音板，我试图将声音保存为铃声或通知，你可以看到下面的代码，我遇到的问题是当我试图保存声音时，app力关闭我。
有时代码会工作并保存，但是它会强行关闭，但现在似乎一直强行关闭。这是在我重新使用应用程序之后？
如果任何人都可以看一眼它就会受到关注。
感谢。
public class Activity2 extends Activity {
int selectedSoundId;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity2);
final MediaPlayer player = new MediaPlayer();
final Resources res = getResources();
//just keep them in the same order, e.g. button01 is tied to backtoyou
final int[] buttonIds = { R.id.PlaySound1, R.id.PlaySound2, R.id.PlaySound3, R.id.PlaySound4, R.id.PlaySound5,};
final int[] soundIds = { R.raw.bentonirate, R.raw.bentonlong, R.raw.bentonshort, R.raw.ohjesuschrist, R.raw.ohjesuschristbenton, };
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();
break;
}
}
}
};
//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);
int size=50;
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/ringtone/";
String filename="Benton"+".ogg";
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, "Benton");
values.put(MediaStore.MediaColumns.MIME_TYPE, "audio/ogg");
values.put(MediaStore.Audio.Media.ARTIST, "weee");
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="Benton"+".ogg";
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, "Benton");
values.put(MediaStore.MediaColumns.MIME_TYPE, "audio/ogg");
values.put(MediaStore.Audio.Media.ARTIST, "weee");
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;
}
}
强制关闭LogCat：
11-29 11:26:28.963: W/ResourceType(3312): No package identifier when getting value for resource number 0x00000000
11-29 11:26:28.963: W/dalvikvm(3312): threadid=1: thread exiting with uncaught exception (group=0x2aacc7d0)
11-29 11:26:28.963: E/AndroidRuntime(3312): Uncaught handler: thread main exiting due to uncaught exception
11-29 11:26:28.963: I/global(3312): Default buffer size used in BufferedWriter constructor. It would be better to be explicit if an 8k-char buffer is required.
11-29 11:26:29.003: I/global(3312): Default buffer size used in BufferedReader constructor. It would be better to be explicit if an 8k-char buffer is required.
11-29 11:26:29.003: W/System.err(3312): java.io.IOException: Permission denied
11-29 11:26:29.033: I/global(3312): Default buffer size used in BufferedWriter constructor. It would be better to be explicit if an 8k-char buffer is required.
11-29 11:26:29.033: E/AndroidRuntime(3312): FATAL EXCEPTION: main
11-29 11:26:29.033: E/AndroidRuntime(3312): android.content.res.Resources$NotFoundException: Resource ID #0x0
11-29 11:26:29.033: E/AndroidRuntime(3312): at android.content.res.Resources.getValue(Resources.java:895)
11-29 11:26:29.033: E/AndroidRuntime(3312): at android.content.res.Resources.openRawResource(Resources.java:820)
11-29 11:26:29.033: E/AndroidRuntime(3312): at android.content.res.Resources.openRawResource(Resources.java:802)
11-29 11:26:29.033: E/AndroidRuntime(3312): at com.Tutorial.Sound.Activity2.savenot(Activity2.java:210)
11-29 11:26:29.033: E/AndroidRuntime(3312): at com.Tutorial.Sound.Activity2.function2(Activity2.java:131)
11-29 11:26:29.033: E/AndroidRuntime(3312): at com.Tutorial.Sound.Activity2.onContextItemSelected(Activity2.java:110)
11-29 11:26:29.033: E/AndroidRuntime(3312): at android.app.Activity.onMenuItemSelected(Activity.java:2199)
11-29 11:26:29.033: E/AndroidRuntime(3312): at com.android.internal.policy.impl.PhoneWindow$ContextMenuCallback.onMenuItemSelected(PhoneWindow.java:2744)
11-29 11:26:29.033: E/AndroidRuntime(3312): at com.android.internal.view.menu.MenuItemImpl.invoke(MenuItemImpl.java:143)
11-29 11:26:29.033: E/AndroidRuntime(3312): at com.android.internal.view.menu.MenuBuilder.performItemAction(MenuBuilder.java:855)
11-29 11:26:29.033: E/AndroidRuntime(3312): at com.android.internal.view.menu.MenuDialogHelper.onClick(MenuDialogHelper.java:137)
11-29 11:26:29.033: E/AndroidRuntime(3312): at com.android.internal.app.AlertController$AlertParams$3.onItemClick(AlertController.java:874)
11-29 11:26:29.033: E/AndroidRuntime(3312): at android.widget.AdapterView.performItemClick(AdapterView.java:284)
11-29 11:26:29.033: E/AndroidRuntime(3312): at android.widget.ListView.performItemClick(ListView.java:3382)
11-29 11:26:29.033: E/AndroidRuntime(3312): at android.widget.AbsListView$PerformClick.run(AbsListView.java:1696)
11-29 11:26:29.033: E/AndroidRuntime(3312): at android.os.Handler.handleCallback(Handler.java:587)
11-29 11:26:29.033: E/AndroidRuntime(3312): at android.os.Handler.dispatchMessage(Handler.java:92)
11-29 11:26:29.033: E/AndroidRuntime(3312): at android.os.Looper.loop(Looper.java:123)
11-29 11:26:29.033: E/AndroidRuntime(3312): at android.app.ActivityThread.main(ActivityThread.java:4635)
11-29 11:26:29.033: E/AndroidRuntime(3312): at java.lang.reflect.Method.invokeNative(Native Method)
11-29 11:26:29.033: E/AndroidRuntime(3312): at java.lang.reflect.Method.invoke(Method.java:521)
11-29 11:26:29.033: E/AndroidRuntime(3312): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)
11-29 11:26:29.033: E/AndroidRuntime(3312): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
11-29 11:26:29.033: E/AndroidRuntime(3312): at dalvik.system.NativeStart.main(Native Method)
11-29 11:26:29.073: I/global(3312): Default buffer size used in BufferedReader constructor. It would be better to be explicit if an 8k-char buffer is required.
11-29 11:26:29.083: W/System.err(3312): java.io.FileNotFoundException: /data/plog.log (Permission denied)
11-29 11:26:29.143: I/global(3312): Default buffer size used in BufferedReader constructor. It would be better to be explicit if an 8k-char buffer is required.
11-29 11:26:29.143: W/System.err(3312): java.io.IOException: Permission denied
答案 0 :(得分：1)
当选择了上下文菜单中的项目时，您将遇到此崩溃。 。
你实际传递给savering()的实际上是菜单项id是整数（0,1,2 ......），你应该以某种方式将这些位置转换为soundIds中的索引。
我无法在代码中看到这种映射的位置。