package com.wang.avi.indicators;
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import android.graphics.Canvas;
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import android.graphics.Paint;
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import android.view.animation.LinearInterpolator;
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import android.animation.ValueAnimator;
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import java.util.ArrayList;
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/**
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* Created by Jack on 2015/10/19.
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*/
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public class BallScaleRippleIndicator extends BallScaleIndicator {
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@Override
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public void draw(Canvas canvas, Paint paint) {
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paint.setStyle(Paint.Style.STROKE);
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paint.setStrokeWidth(3);
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super.draw(canvas, paint);
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}
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@Override
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public ArrayList<ValueAnimator> onCreateAnimators() {
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ArrayList<ValueAnimator> animators=new ArrayList<>();
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ValueAnimator scaleAnim=ValueAnimator.ofFloat(0,1);
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scaleAnim.setInterpolator(new LinearInterpolator());
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scaleAnim.setDuration(1000);
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scaleAnim.setRepeatCount(-1);
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addUpdateListener(scaleAnim,new ValueAnimator.AnimatorUpdateListener() {
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@Override
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public void onAnimationUpdate(ValueAnimator animation) {
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scale = (float) animation.getAnimatedValue();
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postInvalidate();
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}
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});
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ValueAnimator alphaAnim=ValueAnimator.ofInt(0, 255);
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alphaAnim.setInterpolator(new LinearInterpolator());
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alphaAnim.setDuration(1000);
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alphaAnim.setRepeatCount(-1);
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addUpdateListener(alphaAnim,new ValueAnimator.AnimatorUpdateListener() {
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@Override
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public void onAnimationUpdate(ValueAnimator animation) {
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alpha = (int) animation.getAnimatedValue();
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postInvalidate();
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}
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});
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animators.add(scaleAnim);
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animators.add(alphaAnim);
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return animators;
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}
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}
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