package com.wang.avi.indicators;
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import android.animation.ValueAnimator;
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import android.graphics.Canvas;
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import android.graphics.Matrix;
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import android.graphics.Paint;
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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 2015/10/17.
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*/
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public class BallRotateIndicator extends Indicator {
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float scaleFloat=0.5f;
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float degress;
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private Matrix mMatrix;
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public BallRotateIndicator(){
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mMatrix=new Matrix();
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}
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@Override
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public void draw(Canvas canvas, Paint paint) {
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float radius=getWidth()/10;
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float x = getWidth()/ 2;
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float y=getHeight()/2;
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/*mMatrix.preTranslate(-centerX(), -centerY());
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mMatrix.preRotate(degress,centerX(),centerY());
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mMatrix.postTranslate(centerX(), centerY());
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canvas.concat(mMatrix);*/
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canvas.rotate(degress,centerX(),centerY());
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canvas.save();
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canvas.translate(x - radius * 2 - radius, y);
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canvas.scale(scaleFloat, scaleFloat);
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canvas.drawCircle(0, 0, radius, paint);
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canvas.restore();
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canvas.save();
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canvas.translate(x, y);
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canvas.scale(scaleFloat, scaleFloat);
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canvas.drawCircle(0, 0, radius, paint);
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canvas.restore();
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canvas.save();
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canvas.translate(x + radius * 2 + radius, y);
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canvas.scale(scaleFloat, scaleFloat);
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canvas.drawCircle(0,0,radius, paint);
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canvas.restore();
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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(0.5f,1,0.5f);
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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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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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addUpdateListener(rotateAnim,new ValueAnimator.AnimatorUpdateListener() {
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@Override
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public void onAnimationUpdate(ValueAnimator animation) {
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degress = (float) animation.getAnimatedValue();
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postInvalidate();
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}
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});
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rotateAnim.setDuration(1000);
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rotateAnim.setRepeatCount(-1);
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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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