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.graphics.RectF;
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import android.animation.ValueAnimator;
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import com.wang.avi.Indicator;
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import java.util.ArrayList;
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/**
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* Created by Jack on 2015/10/16.
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*/
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public class BallClipRotateIndicator extends Indicator {
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float scaleFloat=1,degrees;
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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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float circleSpacing=12;
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float x = (getWidth()) / 2;
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float y=(getHeight()) / 2;
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canvas.translate(x, y);
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canvas.scale(scaleFloat, scaleFloat);
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canvas.rotate(degrees);
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RectF rectF=new RectF(-x+circleSpacing,-y+circleSpacing,0+x-circleSpacing,0+y-circleSpacing);
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canvas.drawArc(rectF, -45, 270, false, 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(1,0.6f,0.5f,1);
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scaleAnim.setDuration(750);
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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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scaleFloat = (float) animation.getAnimatedValue();
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postInvalidate();
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}
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});
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ValueAnimator rotateAnim=ValueAnimator.ofFloat(0,180,360);
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rotateAnim.setDuration(750);
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rotateAnim.setRepeatCount(-1);
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addUpdateListener(rotateAnim,new ValueAnimator.AnimatorUpdateListener() {
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@Override
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public void onAnimationUpdate(ValueAnimator animation) {
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degrees = (float) 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(rotateAnim);
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return animators;
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}
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}
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