android - Set volume using seekbar

Question

Possible Duplicate:
Using SeekBar to Control Volume in android?

How can i set the volume using seekbar in my android application?? I want to accurate the ringer volume from my application rather to set it from phone. Any thoughts ??

Answer 1

干得好

AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
    volumeSeekbar.setMax(audioManager.getStreamMaxVolume(AudioManager.STREAM_RING));
    volumeSeekbar.setProgress(audioManager.getStreamVolume(AudioManager.STREAM_RING));


    volumeSeekbar.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {
        @Override
        public void onStopTrackingTouch(SeekBar arg0) {}

        @Override
        public void onStartTrackingTouch(SeekBar arg0) {}

        @Override
        public void onProgressChanged(SeekBar arg0, int progress, boolean arg2) {
            audioManager.setStreamVolume(AudioManager.STREAM_RING, progress, 0);
        }
    });