adjust Media Volume - Android Media

Android examples for Media:Media Volume

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  4. Media Volume

Description

adjust Media Volume

Demo Code


//package com.java2s;
import android.content.Context;
import android.media.AudioManager;

public class Main {
    private static void adjustMediaVolume(Context context, int volume,
            int flag) {
        final int MAX_VOLUME = getMaximumVolume(context);
        final int MIN_VOLUME = 0;

        if (volume < MIN_VOLUME) {
            volume = MIN_VOLUME;/* w w w  .ja v a2  s .  c om*/
        } else if (volume > MAX_VOLUME) {
            volume = MAX_VOLUME;
        }

        AudioManager audioManager = (AudioManager) context
                .getSystemService(Context.AUDIO_SERVICE);
        if (audioManager != null) {
            audioManager.setStreamVolume(AudioManager.STREAM_MUSIC, volume,
                    flag);
        }
    }

    /** Returns maximum volume the media volume can have
     * 
     * @param context Context
     * @return Maximum volume
     */
    public static int getMaximumVolume(Context context) {
        return ((AudioManager) context
                .getSystemService(Context.AUDIO_SERVICE))
                .getStreamMaxVolume(AudioManager.STREAM_MUSIC);
    }
}

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