左晓为主开发手持机充值管理机
zuojincheng
2025-03-21 8521954fa97bdfc54123afb4a72755ece311db06
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package com.wang.avi.indicators;
 
import android.graphics.Canvas;
import android.graphics.Paint;
import android.view.animation.LinearInterpolator;
 
import android.animation.ValueAnimator;
 
import java.util.ArrayList;
 
/**
 * Created by Jack on 2015/10/19.
 */
public class BallScaleRippleIndicator extends BallScaleIndicator {
 
 
    @Override
    public void draw(Canvas canvas, Paint paint) {
        paint.setStyle(Paint.Style.STROKE);
        paint.setStrokeWidth(3);
        super.draw(canvas, paint);
    }
 
    @Override
    public ArrayList<ValueAnimator> onCreateAnimators() {
        ArrayList<ValueAnimator> animators=new ArrayList<>();
        ValueAnimator scaleAnim=ValueAnimator.ofFloat(0,1);
        scaleAnim.setInterpolator(new LinearInterpolator());
        scaleAnim.setDuration(1000);
        scaleAnim.setRepeatCount(-1);
        addUpdateListener(scaleAnim,new ValueAnimator.AnimatorUpdateListener() {
            @Override
            public void onAnimationUpdate(ValueAnimator animation) {
                scale = (float) animation.getAnimatedValue();
                postInvalidate();
            }
        });
 
        ValueAnimator alphaAnim=ValueAnimator.ofInt(0, 255);
        alphaAnim.setInterpolator(new LinearInterpolator());
        alphaAnim.setDuration(1000);
        alphaAnim.setRepeatCount(-1);
        addUpdateListener(alphaAnim,new ValueAnimator.AnimatorUpdateListener() {
            @Override
            public void onAnimationUpdate(ValueAnimator animation) {
                alpha = (int) animation.getAnimatedValue();
                postInvalidate();
            }
        });
 
        animators.add(scaleAnim);
        animators.add(alphaAnim);
        return animators;
    }
 
}