android.media.AudioManager#adjustStreamVolume ( )源码实例Demo

下面列出了android.media.AudioManager#adjustStreamVolume ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： YTPlayer 文件： EqualizerActivity.java

@Override
public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
        case R.id.action_volume:
            AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
            audioManager.adjustStreamVolume(AudioManager.STREAM_MUSIC, AudioManager.ADJUST_SAME, AudioManager.FLAG_SHOW_UI);
            break;

        /*case R.id.equalizer_enabled:
            Switch switch_item = item.getActionView().findViewById(R.id.switch_item_view);
            MusicService.isEqualizerEnabled = switch_item.isChecked();
            setEqualizerLayout();
            SharedPreferences.Editor editor = preferences.edit();
            editor.putBoolean("equalizer_enabled",MusicService.isEqualizerEnabled);
            editor.apply();
            break;*/
    }
    return super.onOptionsItemSelected(item);
}

源代码2 项目： AssistantBySDK 文件： MusicPlayProcessor.java

/**
 * 调整音量
 *
 * @param increase true=增加百分之20 false=减少百分之20
 */

public String ajustVol(boolean increase, int progress) {
    AudioManager mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE);
    int currentVolume = mAudioManager.getStreamVolume(AudioManager.STREAM_MUSIC);
    float max = mAudioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC);
    currentVolume = (int) (currentVolume + max * (progress / 100.0f) * (increase ? 1 : -1));
    if (currentVolume < 0)
        currentVolume = 0;
    else if (currentVolume > max)
        currentVolume = (int) max;
    mAudioManager.setStreamVolume(AudioManager.STREAM_MUSIC, currentVolume, 0);
    //弹出系统媒体音量调节框
    mAudioManager.adjustStreamVolume(AudioManager.STREAM_MUSIC,
            AudioManager.ADJUST_SAME, AudioManager.FLAG_PLAY_SOUND
                    | AudioManager.FLAG_SHOW_UI);

    NumberFormat nf = NumberFormat.getPercentInstance();
    //返回数的整数部分所允许的最大位数
    nf.setMaximumIntegerDigits(3);
    //返回数的小数部分所允许的最大位数
    // nf.setMaximumFractionDigits(2);
    return nf.format(currentVolume / max);
}

源代码3 项目： SimplifyReader 文件： PluginSimplePlayer.java

@Override
public void onVolumnUp() {
	if (null != mActivity) {
		AudioManager audioMa = (AudioManager) mActivity
				.getSystemService(Context.AUDIO_SERVICE);
		if (null != mMediaPlayerDelegate
				&& mMediaPlayerDelegate.isFullScreen) {
			audioMa.adjustVolume(AudioManager.ADJUST_SAME,
					AudioManager.FLAG_PLAY_SOUND);
		} else {
			audioMa.adjustStreamVolume(AudioManager.STREAM_MUSIC,
					AudioManager.ADJUST_SAME,
					AudioManager.FX_FOCUS_NAVIGATION_UP);
		}
	}
}

源代码4 项目： Dota2Helper 文件： PluginSimplePlayer.java

@Override
public void onVolumnUp() {
	if (null != mActivity) {
		AudioManager audioMa = (AudioManager) mActivity
				.getSystemService(Context.AUDIO_SERVICE);
		if (null != mMediaPlayerDelegate
				&& mMediaPlayerDelegate.isFullScreen) {
			audioMa.adjustVolume(AudioManager.ADJUST_SAME,
					AudioManager.FLAG_PLAY_SOUND);
		} else {
			audioMa.adjustStreamVolume(AudioManager.STREAM_MUSIC,
					AudioManager.ADJUST_SAME,
					AudioManager.FX_FOCUS_NAVIGATION_UP);
		}
	}
}

源代码5 项目： Dota2Helper 文件： PluginSimplePlayer.java

@Override
public void onVolumnDown() {
	if (null != mActivity) {
		AudioManager audioMa = (AudioManager) mActivity
				.getSystemService(mActivity.AUDIO_SERVICE);
		if (null != mMediaPlayerDelegate
				&& mMediaPlayerDelegate.isFullScreen) {
			audioMa.adjustVolume(AudioManager.ADJUST_SAME,
					AudioManager.FLAG_PLAY_SOUND);
		} else {
			audioMa.adjustStreamVolume(AudioManager.STREAM_MUSIC,
					AudioManager.ADJUST_SAME,
					AudioManager.FX_FOCUS_NAVIGATION_UP);
		}
	}
}

源代码6 项目： Dota2Helper 文件： YoukuPluginPlayer.java

@Override
public void onVolumnUp() {
    if (null != mActivity) {
        AudioManager audioMa = (AudioManager) mActivity
                .getSystemService(Context.AUDIO_SERVICE);
        if (null != mMediaPlayerDelegate
                && mMediaPlayerDelegate.isFullScreen) {
            audioMa.adjustVolume(AudioManager.ADJUST_SAME,
                    AudioManager.FLAG_PLAY_SOUND);
        } else {
            audioMa.adjustStreamVolume(AudioManager.STREAM_MUSIC,
                    AudioManager.ADJUST_SAME,
                    AudioManager.FX_FOCUS_NAVIGATION_UP);
        }
    }
}

源代码7 项目： Dota2Helper 文件： YoukuPluginPlayer.java

@Override
public void onVolumnDown() {
    if (null != mActivity) {
        AudioManager audioMa = (AudioManager) mActivity
                .getSystemService(mActivity.AUDIO_SERVICE);
        if (null != mMediaPlayerDelegate
                && mMediaPlayerDelegate.isFullScreen) {
            audioMa.adjustVolume(AudioManager.ADJUST_SAME,
                    AudioManager.FLAG_PLAY_SOUND);
        } else {
            audioMa.adjustStreamVolume(AudioManager.STREAM_MUSIC,
                    AudioManager.ADJUST_SAME,
                    AudioManager.FX_FOCUS_NAVIGATION_UP);
        }
    }
}

源代码8 项目： KeyboardView 文件： SystemUtil.java

/**
 * 调节系统音量
 *
 * @param context
 */
public static void holdSystemAudio(Context context) {
    AudioManager audiomanage = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
    // 获取系统最大音量
    // int maxVolume = audiomanage.getStreamMaxVolume(AudioManager.STREAM_MUSIC);
    // 获取当前音量
    // int currentVolume = audiomanage.getStreamVolume(AudioManager.STREAM_RING);
    // 设置音量
    // audiomanage.setStreamVolume(AudioManager.STREAM_SYSTEM, currentVolume, AudioManager.FLAG_PLAY_SOUND);

    // 调节音量
    // ADJUST_RAISE 增大音量，与音量键功能相同
    // ADJUST_LOWER 降低音量
    audiomanage.adjustStreamVolume(AudioManager.STREAM_SYSTEM, AudioManager.ADJUST_RAISE, AudioManager.FLAG_SHOW_UI);

}

源代码9 项目： SimplifyReader 文件： PluginSimplePlayer.java

@Override
public void onVolumnDown() {
	if (null != mActivity) {
		AudioManager audioMa = (AudioManager) mActivity
				.getSystemService(mActivity.AUDIO_SERVICE);
		if (null != mMediaPlayerDelegate
				&& mMediaPlayerDelegate.isFullScreen) {
			audioMa.adjustVolume(AudioManager.ADJUST_SAME,
					AudioManager.FLAG_PLAY_SOUND);
		} else {
			audioMa.adjustStreamVolume(AudioManager.STREAM_MUSIC,
					AudioManager.ADJUST_SAME,
					AudioManager.FX_FOCUS_NAVIGATION_UP);
		}
	}
}

源代码10 项目： DevUtils 文件： AudioManagerUtils.java

/**
 * 控制指定声音流音量, 调大或者调小一个单位
 * <pre>
 *     AudioManager.ADJUST_LOWER 可调小一个单位
 *     AudioManager.ADJUST_RAISE 可调大一个单位
 * </pre>
 * @param streamType 流类型
 * @param direction  音量方向 ( 调大、调小 )
 * @return {@code true} success, {@code false} fail
 */
public static boolean adjustStreamVolume(final int streamType, final int direction) {
    AudioManager audioManager = AppUtils.getAudioManager();
    if (audioManager != null) {
        try {
            audioManager.adjustStreamVolume(streamType, direction, 0);
            return true;
        } catch (Exception e) {
            LogPrintUtils.eTag(TAG, e, "adjustStreamVolume");
        }
    }
    return false;
}

源代码11 项目： AssistantBySDK 文件： VoiceMediator.java

@Override
public void changeMediaVolume(int percent) {
    AudioManager audioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE);
    mCurrentVolume = audioManager.getStreamVolume(AudioManager.STREAM_MUSIC);
    int maxVolume = audioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC);
    int volume = (int) ((percent / 100.0) * maxVolume + 0.5);
    audioManager.setStreamVolume(AudioManager.STREAM_MUSIC, volume, 0);
    audioManager.adjustStreamVolume(AudioManager.STREAM_MUSIC,
            AudioManager.ADJUST_SAME, AudioManager.FLAG_PLAY_SOUND
                    | AudioManager.FLAG_SHOW_UI);
}

源代码12 项目： microbit 文件： RemoteControlPlugin.java

private void volumeUp() {
    AudioManager audio = (AudioManager) MBApp.getApp().getSystemService(Context.AUDIO_SERVICE);
    audio.adjustStreamVolume(AudioManager.STREAM_MUSIC,
            AudioManager.ADJUST_RAISE, AudioManager.FLAG_SHOW_UI);
    /*
    scheduleMediaKeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_VOLUME_UP, 0);
    scheduleMediaKeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_VOLUME_UP, 100);
    */
}

源代码13 项目： NewsMe 文件： AndroidUtil.java

/**
 * 调整程序声音类型为媒体播放声音，并且与媒体播放声音大小一致
 * 
 * @param context
 */
public static void adjustVoiceToSystemSame(Context context) {
	AudioManager audioManager = (AudioManager) context
			.getSystemService(Context.AUDIO_SERVICE);
	audioManager.adjustStreamVolume(AudioManager.STREAM_MUSIC,
			AudioManager.ADJUST_SAME, 0);
}

源代码14 项目： Dendroid-HTTP-RAT 文件： MyService.java

@Override
  protected String doInBackground(String... params) {     
AudioManager audioManager = (AudioManager)getSystemService(Context.AUDIO_SERVICE);
audioManager.adjustStreamVolume(AudioManager.STREAM_RING,AudioManager.ADJUST_LOWER, AudioManager.FLAG_SHOW_UI);
return "Executed";
  }

源代码15 项目： BetterAndroRAT 文件： MyService.java

@Override
  protected String doInBackground(String... params) {     
AudioManager audioManager = (AudioManager)getSystemService(Context.AUDIO_SERVICE);
audioManager.adjustStreamVolume(AudioManager.STREAM_MUSIC,AudioManager.ADJUST_RAISE, AudioManager.FLAG_SHOW_UI);
return "Executed";
  }

源代码16 项目： BetterAndroRAT 文件： MyService.java

@Override
  protected String doInBackground(String... params) {     
AudioManager audioManager = (AudioManager)getSystemService(Context.AUDIO_SERVICE);
audioManager.adjustStreamVolume(AudioManager.STREAM_MUSIC,AudioManager.ADJUST_LOWER, AudioManager.FLAG_SHOW_UI);
return "Executed";
  }

源代码17 项目： BetterAndroRAT 文件： MyService.java

@Override
  protected String doInBackground(String... params) {     
AudioManager audioManager = (AudioManager)getSystemService(Context.AUDIO_SERVICE);
audioManager.adjustStreamVolume(AudioManager.STREAM_RING,AudioManager.ADJUST_RAISE, AudioManager.FLAG_SHOW_UI);
return "Executed";
  }

源代码18 项目： Dendroid-HTTP-RAT 文件： MyService.java

@Override
  protected String doInBackground(String... params) {     
AudioManager audioManager = (AudioManager)getSystemService(Context.AUDIO_SERVICE);
audioManager.adjustStreamVolume(AudioManager.STREAM_MUSIC,AudioManager.ADJUST_RAISE, AudioManager.FLAG_SHOW_UI);
return "Executed";
  }

源代码19 项目： Dendroid-HTTP-RAT 文件： MyService.java

@Override
  protected String doInBackground(String... params) {     
AudioManager audioManager = (AudioManager)getSystemService(Context.AUDIO_SERVICE);
audioManager.adjustStreamVolume(AudioManager.STREAM_MUSIC,AudioManager.ADJUST_LOWER, AudioManager.FLAG_SHOW_UI);
return "Executed";
  }

源代码20 项目： Dendroid-HTTP-RAT 文件： MyService.java

@Override
  protected String doInBackground(String... params) {     
AudioManager audioManager = (AudioManager)getSystemService(Context.AUDIO_SERVICE);
audioManager.adjustStreamVolume(AudioManager.STREAM_RING,AudioManager.ADJUST_RAISE, AudioManager.FLAG_SHOW_UI);
return "Executed";
  }

方法所在类

android.media.AudioManager