Requestaudiofocus Audiofocus Request_Failed

audio - How to handle failed AudioFocus requests in ...

https://stackoverflow.com/questions/25356344/how-to-handle-failed-audiofocus-requests-in-android

AudioManager.RequestAudioFocus Method …

https://docs.microsoft.com/en-us/dotnet/api/android.media.audiomanager.requestaudiofocus

Manage audio focus | Android Developers

https://developer.android.com/guide/topics/media-apps/audio-focus

AudioFocusRequest | Android Developers

https://developer.android.com/reference/android/media/AudioFocusRequest

Android Tutorial => Requesting Audio Focus

https://riptutorial.com/android/example/23101/requesting-audio-focus

Learn Android - Requesting Audio Focus

Android Audio Focus | 技不如人，甘拜下风

https://invoker.me/android-audio-focus/

public int requestAudioFocus (OnAudioFocusChangeListener l, int streamType, int durationHint) {int status = AUDIOFOCUS_REQUEST_FAILED; try {// status is guaranteed to be either AUDIOFOCUS_REQUEST_FAILED or // AUDIOFOCUS_REQUEST_GRANTED as focus is requested without the // AUDIOFOCUS_FLAG_DELAY_OK flag status = requestAudioFocus(l, …

Understanding Audio Focus (Part 3 / 3) | by Nazmul Idris ...

https://medium.com/androiddevelopers/audio-focus-3-cdc09da9c122

Android音频焦点详解（下）——源码详解 - 简书

https://www.jianshu.com/p/e5785dcba952

public int requestAudioFocus(OnAudioFocusChangeListener l, int streamType, int durationHint) { int status = AUDIOFOCUS_REQUEST_FAILED; try { //调用内部重载后的方法 status = requestAudioFocus(l, new AudioAttributes.Builder() .setInternalLegacyStreamType(streamType).build(), durationHint, 0 /* flags, legacy behavior */); …

Audio Focus | Android Open Source Project

https://source.android.com/devices/automotive/audio/audio-focus

In this case, if the dialer is currently holding audio focus for a call and a second application request focus to play music, the music application will receive AUDIOFOCUS_REQUEST_FAILED in response to its request. Since the focus request is rejected, no focus loss of any type is dispatched to the current focus holder. Concurrent interaction

Android音频焦点管理实例分析 - 开发技术 - 亿速云

https://www.yisu.com/zixun/686909.html

AudioManager.requestAudioFocus()的返回值表明请求的结果AudioManager.AUDIOFOCUS_REQUEST_FAILED表明请求焦点失败，AudioManager.AUDIOFOCUS_REQUEST_GRANTED表明请求焦点成功。 当我们成功请求焦点后，就可以做一些与音频有关的事情，例如播放音乐，录音，或者语音识别。