游戏中常常需要监听android HOME键,当HOME键下压时,往往需要做一些状态保存,音效停止等操作,那么如何做,才能监听到HOME键呢?我们知道HOME是系统键,app中无法通过onKey这些函数来处理。要妥善的处理HOME键,首先需要看看HOME键下压时,系统做了些什么。
- HOME键之来龙去脉
- app中对于HOME键广播事件的接收
首先,自定义一个BroadcastReceiver:
class HomeKeyEventBroadCastReceiver extends BroadcastReceiver { static final String SYSTEM_REASON = "reason"; static final String SYSTEM_HOME_KEY = "homekey";//home key static final String SYSTEM_RECENT_APPS = "recentapps";//long home key @Override public void onReceive(Context context, Intent intent) { String action = intent.getAction(); if (action.equals(Intent.ACTION_CLOSE_SYSTEM_DIALOGS)) { String reason = intent.getStringExtra(SYSTEM_REASON); if (reason != null) { if (reason.equals(SYSTEM_HOME_KEY)) { // home key处理点 } else if (reason.equals(SYSTEM_RECENT_APPS)) { // long home key处理点 } } } } }
其次,生成且注册之
receiver = new HomeKeyEventBroadCastReceiver(); registerReceiver(receiver, new IntentFilter(Intent.ACTION_CLOSE_SYSTEM_DIALOGS));
这样,我们就可以在app中进行HOME键的处理了!
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参考:http://blog.csdn.net/imyfriend/article/details/8293399