android 障蔽Home键, 屏蔽BACK键，MENU键

屏蔽Home键

@Overridepublic void onAttachedToWindow() {this.getWindow().setType(WindowManager.LayoutParams.TYPE_KEYGUARD);super.onAttachedToWindow();}

拦截/屏蔽返回键、MENU键实现代码

@Overridepublic boolean onKeyDown(int keyCode, KeyEvent event) {    if(keyCode == KeyEvent.KEYCODE_BACK) { //监控/拦截/屏蔽返回键        return true;    } else if(keyCode == KeyEvent.KEYCODE_MENU) {//MENU键        //监控/拦截菜单键         return true;    }     return super.onKeyDown(keyCode, event);}