试试这个
添加任何.MP3文件中的原始文件夹位置该文件的名称
public void setAlarm() {
File file = new File(Environment.getExternalStorageDirectory(),
"/Your Directory Name");
if (!file.exists()) {
file.mkdirs();
}
String path = Environment.getExternalStorageDirectory()
.getAbsolutePath() + "/Your Directory Name";
File f = new File(path + "/", filename + ".mp3");
Uri mUri = Uri.parse("android.resource://" + getContext().getPackageName() + "/raw/" + filename);
ContentResolver mCr = getContext().getContentResolver();
AssetFileDescriptor soundFile;
try {
soundFile = mCr.openAssetFileDescriptor(mUri, "r");
} catch (FileNotFoundException e) {
soundFile = null;
}
try {
byte[] readData = new byte[1024];
FileInputStream fis = soundFile.createInputStream();
FileOutputStream fos = new FileOutputStream(f);
int i = fis.read(readData);
while (i != -1) {
fos.write(readData, 0, i);
i = fis.read(readData);
}
fos.close();
} catch (IOException io) {
}
ContentValues values = new ContentValues();
values.put(MediaStore.MediaColumns.DATA, f.getAbsolutePath());
values.put(MediaStore.MediaColumns.TITLE, filename);
values.put(MediaStore.MediaColumns.MIME_TYPE, "audio/mp3");
values.put(MediaStore.MediaColumns.SIZE, f.length());
values.put(MediaStore.Audio.Media.ARTIST, R.string.app_name);
values.put(MediaStore.Audio.Media.IS_ALARM, true);
Uri uri = MediaStore.Audio.Media.getContentUriForPath(f.getAbsolutePath());
getContext().getContentResolver().delete(uri, MediaStore.MediaColumns.DATA + "=\"" + f.getAbsolutePath() + "\"", null);
Uri newUri = mCr.insert(uri, values);
try {
RingtoneManager.setActualDefaultRingtoneUri(getContext(),
RingtoneManager.TYPE_ALARM, newUri);
Settings.System.putString(mCr, Settings.System.ALARM_ALERT,
newUri.toString());
Toast.makeText(getContext(), "Done", Toast.LENGTH_SHORT).show();
} catch (Throwable t) {
}
}
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