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最終更新:2022-04-11 (月) 10:01:50 (745d)

android.media
android.media.AudioManager
Top / android.media.AudioManager

AudioManager provides access to volume and ringer mode control.

http://developer.android.com/reference/android/media/AudioManager.html

Use Hardware Volume Keys to Control Your App’s Audio Volume

http://developer.android.com/training/managing-audio/volume-playback.html

メソッド

AudioManager.getRingerMode?	The current ringtone mode
AudioManager.setRingerMode	Silent mode will mute the volume and will not vibrate.
AudioManager.getStreamVolume?
AudioManager.setStreamVolume	ストリームごと音量を設定する。
AudioManager.setStreamMute()	deprecated in Android/APIレベル23.use AudioManager.adjustStreamVolume	1～23
AudioManager.adjustVolume?(int direction, int flags)	Adjusts the volume of the most relevant stream.	1～
AudioManager.adjustStreamVolume(int streamType, int direction, int flags)	Adjusts the volume of a particular stream by one step in a direction.	1～

Bluetooth

AudioManager.startBluetoothSco
AudioManager.stopBluetoothSco?

メモ

if ( Build.VERSION.SDK_INT >= 23 ) {
	am.adjustStreamVolume(AudioManager.STREAM_MUSIC, AudioManager.ADJUST_UNMUTE, 0);
}else {
	am.setStreamMute(AudioManager.STREAM_MUSIC, true);
}

Android/音声ストリーム

AudioManager.STREAM_VOICE_CALL?	0	通話音量
AudioManager.STREAM_SYSTEM?	1	システムメッセージ音量
AudioManager.STREAM_RING?	2	着信音量
AudioManager.STREAM_MUSIC	3	音楽再生音量
AudioManager.STREAM_ALARM?	4	アラーム音量
AudioManager.STREAM_NOTIFICATION?	5	通知音量
AudioManager.STREAM_DTMF?	8	ダイヤル音量

フラグ

AudioManager.FLAG_SHOW_UI	1	Show a toast containing the current volume.
AudioManager.FLAG_ALLOW_RINGER_MODES?	2	Whether to include ringer modes as possible options when changing volume.
AudioManager.FLAG_PLAY_SOUND	4	Whether to play a sound when changing the volume
AudioManager.FLAG_REMOVE_SOUND_AND_VIBRATE?	8	Removes any sounds/vibrate that may be in the queue, or are playing (related to changing volume).
AudioManager.FLAG_VIBRATE?	16	Whether to vibrate if going into the vibrate ringer mode.
AudioManager.FLAG_FIXED_VOLUME?	1 << 5	@hide
AudioManager.FLAG_BLUETOOTH_ABS_VOLUME?	1 << 6	@hide
AudioManager.FLAG_SHOW_SILENT_HINT?	1 << 7	@hide
AudioManager.FLAG_HDMI_SYSTEM_AUDIO_VOLUME?	1 << 8	@hide
AudioManager.FLAG_ACTIVE_MEDIA_ONLY?	1 << 9	@hide
AudioManager.FLAG_SHOW_UI_WARNINGS?	1 << 10	@hide
AudioManager.FLAG_SHOW_VIBRATE_HINT?	1 << 11	@hide
AudioManager.FLAG_FROM_KEY?	1 << 12	@hide

direction

AudioManager.ADJUST_LOWER? -1
AudioManager.ADJUST_RAISE? 1
AudioManager.ADJUST_SAME? 0
AudioManager.ADJUST_TOGGLE_MUTE? 101
AudioManager.ADJUST_MUTE -100
AudioManager.ADJUST_UNMUTE? 100

モード

AudioManager.RINGER_MODE_SILENT? 0
AudioManager.RINGER_MODE_VIBRATE? 1
AudioManager.RINGER_MODE_NORMAL? 2

ブロードキャスト

AudioManager.ACTION_AUDIO_BECOMING_NOISY?	Broadcast intent, a hint for applications that audio is about to become 'noisy' due to a change in audio outputs.
AudioManager.ACTION_HDMI_AUDIO_PLUG?	Broadcast Action: A sticky broadcast indicating an HDMI cable was plugged or unplugged.
AudioManager.ACTION_HEADSET_PLUG?	Broadcast Action: Wired Headset plugged in or unplugged.
AudioManager.ACTION_MICROPHONE_MUTE_CHANGED?	Broadcast Action: microphone muting state changed.
AudioManager.ACTION_SCO_AUDIO_STATE_CHANGED?	This constant was deprecated in API level 15. Use ACTION_SCO_AUDIO_STATE_UPDATED instead
AudioManager.ACTION_SCO_AUDIO_STATE_UPDATED?	Sticky broadcast intent action indicating that the Bluetooth SCO audio connection state has been updated.
AudioManager.ACTION_SPEAKERPHONE_STATE_CHANGED?	Broadcast Action: speakerphone state changed.

メソッド

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