Add CustomIndicator

HarlonWang · HarlonWang · commit e74a23182b8d · 2016-08-05T15:41:03.000+08:00
diff --git a/README.md b/README.md
@@ -60,6 +60,10 @@ It's very simple use just like Progressbar.
    
 ```
 
+## Custom Indicator
+
+See [MyCustomIndicator]()
+
 ## Indicators
 
 As seen above in the **Demo**, the indicators are as follows:
@@ -105,6 +109,9 @@ As seen above in the **Demo**, the indicators are as follows:
  * `Pacman`
  * `BallGridBeat`
  * `SemiCircleSpin`
+ 
+ **Row 8**
+  * `com.wang.avi.sample.MyCustomIndicator`
 
 ## Thanks
 - [nineoldandroids](https://github.com/JakeWharton/NineOldAndroids)
diff --git a/app/src/main/java/com/wang/avi/sample/MyCustomIndicator.java b/app/src/main/java/com/wang/avi/sample/MyCustomIndicator.java
@@ -0,0 +1,72 @@
+package com.wang.avi.sample;
+
+import android.graphics.Canvas;
+import android.graphics.Paint;
+
+import com.nineoldandroids.animation.ValueAnimator;
+import com.wang.avi.Indicator;
+
+import java.util.ArrayList;
+
+/**
+ * Created by Jack Wang on 2016/8/5.
+ */
+
+public class MyCustomIndicator extends Indicator{
+
+
+    public static final float SCALE=1.0f;
+
+    //scale x ,y
+    private float[] scaleFloats=new float[]{SCALE,
+            SCALE,
+            SCALE,
+            SCALE,
+            SCALE};
+
+
+
+    @Override
+    public void draw(Canvas canvas, Paint paint) {
+        float circleSpacing=4;
+        float radius=(Math.min(getWidth(),getHeight())-circleSpacing*2)/12;
+        float x = getWidth()/ 2-(radius*2+circleSpacing);
+        float y=getHeight() / 2;
+        for (int i = 0; i < 4; i++) {
+            canvas.save();
+            float translateX=x+(radius*2)*i+circleSpacing*i;
+            canvas.translate(translateX, y);
+            canvas.scale(scaleFloats[i], scaleFloats[i]);
+            canvas.drawCircle(0, 0, radius, paint);
+            canvas.restore();
+        }
+    }
+
+    @Override
+    public ArrayList<ValueAnimator> onCreateAnimators() {
+        ArrayList<ValueAnimator> animators=new ArrayList<>();
+        int[] delays=new int[]{120,240,360,480};
+        for (int i = 0; i < 4; i++) {
+            final int index=i;
+
+            ValueAnimator scaleAnim=ValueAnimator.ofFloat(1,0.3f,1);
+
+            scaleAnim.setDuration(750);
+            scaleAnim.setRepeatCount(-1);
+            scaleAnim.setStartDelay(delays[i]);
+
+            scaleAnim.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
+                @Override
+                public void onAnimationUpdate(ValueAnimator animation) {
+                    scaleFloats[index] = (float) animation.getAnimatedValue();
+                    postInvalidate();
+
+                }
+            });
+            animators.add(scaleAnim);
+        }
+        return animators;
+    }
+
+
+}
diff --git a/app/src/main/java/com/wang/avi/sample/SampleActivity.java b/app/src/main/java/com/wang/avi/sample/SampleActivity.java
@@ -86,7 +86,8 @@ public IndicatorHolder(View itemView) {
             "TriangleSkewSpinIndicator",
             "PacmanIndicator",
             "BallGridBeatIndicator",
-            "SemiCircleSpinIndicator"
+            "SemiCircleSpinIndicator",
+            "com.wang.avi.sample.MyCustomIndicator"
     };
 
 }

Original file line number	Diff line number	Diff line change
`@@ -86,7 +86,8 @@ public IndicatorHolder(View itemView) {`
`86`	`86`	`"TriangleSkewSpinIndicator",`
`87`	`87`	`"PacmanIndicator",`
`88`	`88`	`"BallGridBeatIndicator",`
`89`		`- "SemiCircleSpinIndicator"`
	`89`	`+ "SemiCircleSpinIndicator",`
	`90`	`+ "com.wang.avi.sample.MyCustomIndicator"`
`90`	`91`	`};`
`91`	`92`
`92`	`93`	`}`