content: package com.rsen.github.loadview.indicator;
  
  import android.animation.Animator;
  import android.animation.ObjectAnimator;
  import android.animation.PropertyValuesHolder;
  import android.graphics.Canvas;
  import android.graphics.Paint;
  import android.graphics.Path;
  import android.view.animation.LinearInterpolator;
  
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * Created by Jack on 2015/10/20.
   */
  public class TriangleSkewSpinIndicator extends BaseIndicatorController {
  
      @Override
      public void draw(Canvas canvas, Paint paint) {
          Path path=new Path();
          path.moveTo(getWidth()/5,getHeight()*4/5);
          path.lineTo(getWidth()*4/5, getHeight()*4/5);
          path.lineTo(getWidth()/2,getHeight()/5);
          path.close();
          canvas.drawPath(path, paint);
      }
  
      @Override
      public List<Animator> createAnimation() {
          List<Animator> animators=new ArrayList<>();
          PropertyValuesHolder rotation5=PropertyValuesHolder.ofFloat("rotationX",0,180,180,0,0);
          PropertyValuesHolder rotation6=PropertyValuesHolder.ofFloat("rotationY",0,0,180,180,0);
          
          ObjectAnimator animator=ObjectAnimator.ofPropertyValuesHolder(getTarget(), rotation6,rotation5);
          animator.setInterpolator(new LinearInterpolator());
          animator.setRepeatCount(-1);
          animator.setDuration(2500);
          animator.start();
  
          animators.add(animator);
          return animators;
      }
  
  }
  