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@Override public boolean onKeyDown(int keyCode, KeyEvent event){ if(KeyEvent.KEYCODE_HOME==keyCode) android.os.Process.killProcess(android.os.Process.myPid()); return super.onKeyDown(keyCode,...

1. 如何判断手机是否处于正在通话中？（任何时候都可以判断手机是否处于通过中） private boolean phoneIsInUse() { boolean phoneInUse = false; try { ITelephony phone = ITelephony.Stub.asInterface(ServiceManager.checkService...

SIMInfoWrapper.getDefault().getInsertedSimCount(); boolean noSim = SIMInfoWrapper.getDefault().getInsertedSimCount() == 0;