我有一个方法可以copy an Audio file from raw folder to SD card
。需要两个输入
- ressound:.ogg 音频原始文件 ID。
- fName:SD卡中原始文件的文件名。
Updated
public boolean saveas(int ressound, String fName){
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="/sdcard/music/[my_package_name]/";
String filename=fName+".ogg";
String baseDir = Environment.getExternalStorageDirectory().getAbsolutePath();
String completePath = baseDir + File.separator + "music" + File.separator + "my_package" + File.separator + filename;
boolean exists = (new File(completePath)).exists();
if (!exists){new File(completePath).mkdirs();}
FileOutputStream save;
try {
save = new FileOutputStream(completePath);
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, "exampletitle");
values.put(MediaStore.MediaColumns.MIME_TYPE, "audio/ogg");
values.put(MediaStore.Audio.Media.ARTIST, "cssounds ");
values.put(MediaStore.Audio.Media.IS_RINGTONE, true);
values.put(MediaStore.Audio.Media.IS_NOTIFICATION, true);
values.put(MediaStore.Audio.Media.IS_ALARM, true);
values.put(MediaStore.Audio.Media.IS_MUSIC, true);
//Insert it into the database
this.getContentResolver().insert(MediaStore.Audio.Media.getContentUriForPath(k.getAbsolutePath()), values);
return true;
}
如果该方法返回 true,则文件已正确保存到 SD 卡。如果返回 false,则出现错误。就我而言,该方法在进入时返回 falseFileNotFoundException
堵塞。我找不到原因!!我觉得一切都很好。
如果你问我是否添加 WRITE 权限,我将其添加到 Manifest 文件中的应用程序标记中:
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
有什么帮助吗?