Java的线程是不允许启动两次的,第二次调用必然会抛岀IllegalThreadStateEXception,这是一种运行时异常,多次调用start被认为是编程错误。在第二次调用 start()方法的时候,线程可能处于终止或者其他(非NEW)状态,但是不论如何,都是不可以再次启动的。 对于上述程序,查看start源码可以发现,在启动线程前会先对threadStatus进...
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volume键的IntentFilter和Home,Power键不一样,没有相关ACTION,我只找到了这个,确实能监听到音量按键,但假设已经达到最大音量或最小音量,再往极限调,音量不会变化,就监听不到了。 mIntentFilter = new IntentFilter(); mIntentFilter.addAction("android.media.VOLUME_CHANGED_ACTION"); 好了,下面先看监听输出,我...
}returnsuper.onKeyDown(keyCode, event); } This is my broadcast receiver intentfliter =newIntentFilter("android.media.VOLUME_CHANGED_ACTION"); mReceiver =newBroadcastReceiver() {@OverridepublicvoidonReceive(Context context, Intent intent) {// TODO Auto-generated method stubLog.e("Main activity",...
If an external event changes the master volume, the audio renderer sends an MEAudioSessionVolumeChanged event, which the Media Session forwards to the application. Requirements ცხრილის გაშლა RequirementValue Minimum supported client Windows Vista [desktop apps o...
Also consider that "android.media.VOLUME_CHANGED_ACTION" is not part of the official API (seehttps://stackoverflow.com/a/8974510/2441655) so this may stop working in future Android updates. Packages No packages published Languages Kotlin100.0%...
The reason why the volume lifecycle status changed. Type:LifecycleTransitionReasonobject Required: No Name The name of the volume. Type: String Length Constraints: Minimum length of 1. Maximum length of 203. Pattern:^[^\u0000\u0085\u2028\u2029\r\n]{1,203}$ ...
CommunicationDeviceChangedEventArgs AudioManager.IOnAudioFocusChangeListener AudioManager.IOnCommunicationDeviceChangedListener AudioManager.IOnModeChangedListener AudioManager.IOnPreferredMixerAttributesChangedListener AudioManager.ModeChangedEventArgs AudioManager.PreferredMixerAttributesChangedEventArgs AudioMetadata AudioMetadata....
"action") == Mp3Constants.FORWARD) { if (playHandler != null) { playHandler.reset(); playing = false; } if (pre.getBoolean("repeat", false)) { pre.edit().putString("name", name); pre.edit().putString("online", online); pre.edit().putString("link"...
USN-Changed USN-Created USN-DSA-Last-Obj-Removed USN-Intersite USN-Last-Obj-Rem USN-Source Valid-Accesses 廠商 Version-Number Version-Number-Hi Version-Number-Lo Vol-Table-GUID Vol-Table-Idx-GUID Volume-Count Wbem-Path 已知物件 When-Changed When-Created Winsock-Addresses WWW-Home-Page WWW-Pag...