更改动画配置速度的默认数值，并且收缩到圆心的动画增加一个插值器

Author: ChengangFeng

library/src/main/java/com/github/chengang/library/TickRateEnum.java

@@ -9,9 +9,9 @@
 
 enum TickRateEnum {
 
-    SLOW(600, 300, 450),
-    NORMAL(400, 200, 300),
-    FAST(200, 100, 150);
+    SLOW(800, 480, 720),
+    NORMAL(500, 300, 450),
+    FAST(300, 180, 270);
 
     public static final int RATE_MODE_SLOW = 0;
     public static final int RATE_MODE_NORMAL = 1;

library/src/main/java/com/github/chengang/library/TickView.java

@@ -12,6 +12,7 @@
 import android.support.annotation.Nullable;
 import android.util.AttributeSet;
 import android.view.View;
+import android.view.animation.DecelerateInterpolator;
 
 /**
  * Created by 陈岗不姓陈 on 2017/10/17.
@@ -60,6 +61,9 @@ public class TickView extends View {
     //勾的偏移
     private float tickRadiusOffset;
 
+    //最后扩大缩小动画中，画笔的宽度的最大倍数
+    private static final int SCALE_TIMES = 6;
+
     private OnCheckedChangeListener mOnCheckedChangeListener;
     private TickAnimatorListener mTickAnimatorListener;
 
@@ -135,14 +139,13 @@ private void initAnimatorCounter() {
         mRingAnimator.setInterpolator(null);
         //收缩动画
         ObjectAnimator mCircleAnimator = ObjectAnimator.ofInt(this, "circleRadius", radius - 5, 0);
-        mCircleAnimator.setInterpolator(null);
+        mCircleAnimator.setInterpolator(new DecelerateInterpolator());
         mCircleAnimator.setDuration(mCircleAnimatorDuration);
         //勾出来的透明渐变
         ObjectAnimator mAlphaAnimator = ObjectAnimator.ofInt(this, "tickAlpha", 0, 255);
         mAlphaAnimator.setDuration(200);
-        mAlphaAnimator.setStartDelay(100);
         //最后的放大再回弹的动画，改变画笔的宽度来实现
-        ObjectAnimator mScaleAnimator = ObjectAnimator.ofFloat(this, "ringStrokeWidth", mPaintRing.getStrokeWidth(), mPaintRing.getStrokeWidth() * 6f, mPaintRing.getStrokeWidth() / 6f);
+        ObjectAnimator mScaleAnimator = ObjectAnimator.ofFloat(this, "ringStrokeWidth", mPaintRing.getStrokeWidth(), mPaintRing.getStrokeWidth() * SCALE_TIMES, mPaintRing.getStrokeWidth() / SCALE_TIMES);
         mScaleAnimator.setInterpolator(null);
         mScaleAnimator.setDuration(mScaleAnimatorDuration);
 
@@ -210,8 +213,9 @@ private int getMySize(int defaultSize, int measureSpec) {
     @Override
     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
         super.onMeasure(widthMeasureSpec, heightMeasureSpec);
-        int width = getMySize((radius + dp2px(mContext, 2.5f) * 6) * 2, widthMeasureSpec);
-        int height = getMySize((radius + dp2px(mContext, 2.5f) * 6) * 2, heightMeasureSpec);
+        //控件的宽度等于动画最后的扩大范围的半径
+        int width = getMySize((radius + dp2px(mContext, 2.5f) * SCALE_TIMES) * 2, widthMeasureSpec);
+        int height = getMySize((radius + dp2px(mContext, 2.5f) * SCALE_TIMES) * 2, heightMeasureSpec);
 
         height = width = Math.max(width, height);