Java tutorial
//package com.java2s; /* * Copyright (C) 2016 Clendy <yc330483161@163.com | yc330483161@outlook.com> * * 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.ObjectAnimator; import android.animation.PropertyValuesHolder; import android.animation.ValueAnimator; import android.view.View; public class Main { public static synchronized void animateScaleDown(View v, float targetScale) { float currentScaleX = v.getScaleX(); float currentScaleY = v.getScaleY(); PropertyValuesHolder scaleXHolder = PropertyValuesHolder.ofFloat(View.SCALE_X, currentScaleX, targetScale); PropertyValuesHolder scaleYHolder = PropertyValuesHolder.ofFloat(View.SCALE_Y, currentScaleY, targetScale); ValueAnimator scaleAnimator = ObjectAnimator.ofPropertyValuesHolder(v, scaleXHolder, scaleYHolder); scaleAnimator.start(); } }