Java tutorial
//package com.java2s; /* * Copyright (C) 2012 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * 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. */ import android.view.View; import android.view.ViewTreeObserver.OnGlobalLayoutListener; public class Main { /** Runs a piece of code after the next layout run */ public static void doAfterLayout(final View view, final Runnable runnable) { final OnGlobalLayoutListener listener = new OnGlobalLayoutListener() { @Override public void onGlobalLayout() { // Layout pass done, unregister for further events view.getViewTreeObserver().removeOnGlobalLayoutListener(this); runnable.run(); } }; view.getViewTreeObserver().addOnGlobalLayoutListener(listener); } }