/* * Copyright (C) 2008 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. */package com.example.android.apis.graphics;import android.graphics.Canvas;import android.graphics.drawable.Drawable;import android.view.animation.Animation;import android.view.animation.AnimationUtils;import android.view.animation.Transformation;public class AnimateDrawable extends ProxyDrawable {        private Animation mAnimation;    private Transformation mTransformation = new Transformation();    public AnimateDrawable(Drawable target) {        super(target);    }        public AnimateDrawable(Drawable target, Animation animation) {        super(target);        mAnimation = animation;    }        public Animation getAnimation() {        return mAnimation;    }        public void setAnimation(Animation anim) {        mAnimation = anim;    }    public boolean hasStarted() {        return mAnimation != null && mAnimation.hasStarted();    }        public boolean hasEnded() {        return mAnimation == null || mAnimation.hasEnded();    }        @Override    public void draw(Canvas canvas) {        Drawable dr = getProxy();        if (dr != null) {            int sc = canvas.save();            Animation anim = mAnimation;            if (anim != null) {                anim.getTransformation(                                    AnimationUtils.currentAnimationTimeMillis(),                                    mTransformation);                canvas.concat(mTransformation.getMatrix());            }            dr.draw(canvas);            canvas.restoreToCount(sc);        }    }}