Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (C) 2014 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.animation.ValueAnimator;
import android.view.View;

public class Main {
    /**
     * Animates a view to the new specified dimensions.
     * @param view The view to change the dimensions of.
     * @param newWidth The new width of the view.
     * @param newHeight The new height of the view.
     */
    public static void changeDimensions(final View view, final int newWidth, final int newHeight) {
        ValueAnimator animator = ValueAnimator.ofFloat(0f, 1f);

        final int oldWidth = view.getWidth();
        final int oldHeight = view.getHeight();
        final int deltaWidth = newWidth - oldWidth;
        final int deltaHeight = newHeight - oldHeight;

        animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
            @Override
            public void onAnimationUpdate(ValueAnimator animator) {
                Float value = (Float) animator.getAnimatedValue();

                view.getLayoutParams().width = (int) (value * deltaWidth + oldWidth);
                view.getLayoutParams().height = (int) (value * deltaHeight + oldHeight);
                view.requestLayout();
            }
        });
        animator.start();
    }
}