Java 如何访问 Android 的默认提示音？
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How do I access Android's default beep sound?
提问by user812892
I would like to make a button play a beep sound to indicate it has been pressed. I want to know how to use the default android beep sound (like when you adjust the ringer volume), instead of importing my own mp3 music file or using ToneGenerator?
我想让按钮播放哔声以表明它已被按下。我想知道如何使用默认的 android 哔声（比如当你调整铃声音量时），而不是导入我自己的 mp3 音乐文件或使用 ToneGenerator？
采纳答案by Mohammad Ersan
public void playSound(Context context) throws IllegalArgumentException,
SecurityException,
IllegalStateException,
IOException {
Uri soundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
MediaPlayer mMediaPlayer = new MediaPlayer();
mMediaPlayer.setDataSource(context, soundUri);
final AudioManager audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
if (audioManager.getStreamVolume(AudioManager.STREAM_ALARM) != 0) {
mMediaPlayer.setAudioStreamType(AudioManager.STREAM_ALARM);
// Uncomment the following line if you aim to play it repeatedly
// mMediaPlayer.setLooping(true);
mMediaPlayer.prepare();
mMediaPlayer.start();
}
}
I found another answer:
我找到了另一个答案：
try {
Uri notification = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
Ringtone r = RingtoneManager.getRingtone(getApplicationContext(), notification);
r.play();
} catch (Exception e) {
e.printStackTrace();
}
credit goes to https://stackoverflow.com/a/9622040/737925
回答by ahcox
... use the default android beep sound (like when you adjust the ringer volume) ...
... 使用默认的 android 提示音（例如当您调整铃声音量时）...
On my Cyanogen 7 Nexus One and my old stock T-Mobile Pulse Mini (the latter from memory), as far as I can hear, this is is exactly the default beep sound on volume change:
在我的 Cyanogen 7 Nexus One 和我的旧库存 T-Mobile Pulse Mini（记忆中的后者）上，据我所知，这正是音量变化时的默认提示音：
final ToneGenerator tg = new ToneGenerator(AudioManager.STREAM_NOTIFICATION, 100);
tg.startTone(ToneGenerator.TONE_PROP_BEEP);
You seem to be asking for an alternative to ToneGenerator, but I think it gives you exactly what you want in two lines.
您似乎要求替代ToneGenerator，但我认为它在两行中准确地为您提供了您想要的东西。
Here are some other likely ToneGeneratorsounds I tried that were not a match (the first two might be useful as alternates to the volume beep):
以下是ToneGenerator我尝试过的其他一些可能不匹配的声音（前两个可能有用作为音量哔声的替代）：
// Double beeps: tg.startTone(ToneGenerator.TONE_PROP_ACK);
// Double beeps: tg.startTone(ToneGenerator.TONE_PROP_BEEP2);
// Sounds all wrong: tg.startTone(ToneGenerator.TONE_CDMA_KEYPAD_VOLUME_KEY_LITE);
回答by amine.b
the easy way is to use instance of ToneGenerator classe:
简单的方法是使用 ToneGenerator 类的实例：
//declaration
ToneGenerator toneG;
//using any where`
if(val>=taux_max)
{
taux_text.setTextColor(warnning_col);
toneG.startTone(ToneGenerator.TONE_CDMA_ALERT_CALL_GUARD, 200); //200 is duration in ms
}
