Java tutorial
//package com.java2s; /** * Copyright (C) BlakeQu All Rights Reserved <blakequ@gmail.com> * <p/> * Licensed under the blakequ.com License, Version 1.0 (the "License"); * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * <p/> * author : quhao <blakequ@gmail.com> * date : 2016/4/26 10:58 * last modify author : * version : 1.0 * description: */ import android.app.Activity; import android.view.View; import android.view.ViewGroup; public class Main { public static View getRootView(Activity context) { if (context == null) return null; ViewGroup content = (ViewGroup) context.findViewById(android.R.id.content); if (content != null) { return content.getChildAt(0); } return null; } }