Java tutorial
//package com.java2s; /** * Copyright 2014 Zhenguo Jin (jinzhenguo1990@gmail.com) * <p/> * 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 * <p/> * http://www.apache.org/licenses/LICENSE-2.0 * <p/> * 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.animation.Animation; import android.view.animation.Animation.AnimationListener; import android.view.animation.RotateAnimation; public class Main { public static final long DEFAULT_ANIMATION_DURATION = 400; public static RotateAnimation getRotateAnimationByCenter(long durationMillis, AnimationListener animationListener) { return getRotateAnimation(0f, 359f, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f, durationMillis, animationListener); } public static RotateAnimation getRotateAnimationByCenter(long duration) { return getRotateAnimationByCenter(duration, null); } public static RotateAnimation getRotateAnimationByCenter(AnimationListener animationListener) { return getRotateAnimationByCenter(DEFAULT_ANIMATION_DURATION, animationListener); } public static RotateAnimation getRotateAnimationByCenter() { return getRotateAnimationByCenter(DEFAULT_ANIMATION_DURATION, null); } public static RotateAnimation getRotateAnimation(float fromDegrees, float toDegrees, int pivotXType, float pivotXValue, int pivotYType, float pivotYValue, long durationMillis, AnimationListener animationListener) { RotateAnimation rotateAnimation = new RotateAnimation(fromDegrees, toDegrees, pivotXType, pivotXValue, pivotYType, pivotYValue); rotateAnimation.setDuration(durationMillis); if (animationListener != null) { rotateAnimation.setAnimationListener(animationListener); } return rotateAnimation; } }