Android View Layout doAfterLayout(final View view, final Runnable runnable)

Description

Runs a piece of code after the next layout run

License

Apache License

Parameter

Parameter	Description
view	The View used.
runnable	The Runnable used after the next layout run

Declaration

@SuppressLint("NewApi")
public static void doAfterLayout(final View view,
        final Runnable runnable) 

Method Source Code

//package com.java2s;
/*/* w w w.  j  a va2 s.  c  o m*/
 * Copyright (C) 2012 Andrew Neal 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.annotation.SuppressLint;

import android.os.Build;

import android.view.View;
import android.view.ViewTreeObserver.OnGlobalLayoutListener;

public class Main {
    /**
     * Runs a piece of code after the next layout run
     * 
     * @param view The {@link View} used.
     * @param runnable The {@link Runnable} used after the next layout run
     */
    @SuppressLint("NewApi")
    public static void doAfterLayout(final View view,
            final Runnable runnable) {
        final OnGlobalLayoutListener listener = new OnGlobalLayoutListener() {
            @SuppressWarnings("deprecation")
            @Override
            public void onGlobalLayout() {
                /* Layout pass done, unregister for further events */
                if (hasJellyBean()) {
                    view.getViewTreeObserver()
                            .removeOnGlobalLayoutListener(this);
                } else {
                    view.getViewTreeObserver()
                            .removeGlobalOnLayoutListener(this);
                }
                runnable.run();
            }
        };
        view.getViewTreeObserver().addOnGlobalLayoutListener(listener);
    }

    /**
     * Used to determine if the device is running Jelly Bean or greater
     * 
     * @return True if the device is running Jelly Bean or greater, false
     *         otherwise
     */
    public static final boolean hasJellyBean() {
        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN;
    }
}