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ضمن عرض سلام و احترام

هر چی گشتم دیدم کدم درسته ولی نمی دونم چرا صدای مورد نظر پخش نمی شه.

این هم ارور های logat

09-12 00:29:00.304: I/FFMPEG(8683): Input #0, mp3, from 'android-source:0xb89c2bd0':
09-12 00:29:00.304: I/FFMPEG(8683):   Duration: 00:00:20.92, start: 0.000000, bitrate: 103 kb/s
09-12 00:29:00.304: I/FFMPEG(8683):     Stream #0:0: Audio: mp3, 44100 Hz, stereo, s16p, 103 kb/s
09-12 00:29:00.644: I/FFMPEG(8683): Input #0, mp3, from 'android-source:0xb89c2bd0|file:/data/app/ir.setra.app.project_time_alarm-2.apk':
09-12 00:29:00.644: I/FFMPEG(8683):   Duration: 00:00:20.92, start: 0.000000, bitrate: 103 kb/s
09-12 00:29:00.654: I/FFMPEG(8683):     Stream #0:0: Audio: mp3, 44100 Hz, stereo, s16p, 103 kb/s
09-12 00:29:00.654: D/audio_hw_primary(8683): found out /dev/snd/pcmC0D0p
09-12 00:29:00.664: E/MediaPlayer(11476): Should have subtitle controller already set
09-12 00:29:00.684: E/AudioSink(8683): received unknown event type: 1 inside CallbackWrapper !
09-12 00:29:12.274: E/AudioSink(8683): received unknown event type: 1 inside CallbackWrapper !

 private void palyalarm() {

        try {
            MediaPlayer mediaPlayer = new MediaPlayer();
            AssetFileDescriptor assetFileDescriptor = G.context.getAssets().openFd("alarm.mp3");
            mediaPlayer.setDataSource(assetFileDescriptor.getFileDescriptor(), assetFileDescriptor.getStartOffset(), assetFileDescriptor.getLength());

            assetFileDescriptor.close();
            mediaPlayer.prepare();
            mediaPlayer.setVolume(1.0f, 1.0f);
            mediaPlayer.start();

        }
        catch (IllegalArgumentException e) {
            e.printStackTrace();
        }
        catch (IllegalStateException e) {
            e.printStackTrace();
        }
        catch (IOException e) {
            e.printStackTrace();
        }

    }