屏蔽HOME键

添加权限
    <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />
    <uses-permission android:name="android.permission.INTERNAL_SYSTEM_WINDOW" />


在Activity中添加方法
 private Handler mHandler = new Handler();
 private Runnable mDisableHomeKeyRunnable = new Runnable() {


  @Override
  public void run() {
   getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT);
  }
 };


在onCreate()中添加
{
...
mHandler.postDelayed(mDisableHomeKeyRunnable,200);
...
}