Add the ability to get the center point of the QuickActionView to allow for things like circular reveal.

Author: Jawnnypoo

app/src/main/java/com/ovenbits/quickactionview/sample/CustomActionsInAnimator.java

@@ -0,0 +1,51 @@
+package com.ovenbits.quickactionview.sample;
+
+import android.graphics.Point;
+import android.os.Build;
+import android.view.View;
+import android.view.ViewAnimationUtils;
+import android.view.animation.LinearInterpolator;
+
+import com.ovenbits.quickactionview.Action;
+import com.ovenbits.quickactionview.ActionView;
+import com.ovenbits.quickactionview.ActionsInAnimator;
+import com.ovenbits.quickactionview.QuickActionView;
+
+/**
+ * Example of how to create a custom animations in animator
+ */
+public class CustomActionsInAnimator implements ActionsInAnimator {
+
+    private LinearInterpolator mInterpolator = new LinearInterpolator();
+    private QuickActionView mQuickActionView;
+
+    public CustomActionsInAnimator(QuickActionView view) {
+        mQuickActionView = view;
+    }
+
+    @Override
+    public void animateActionIn(Action action, int index, ActionView view, Point center) {
+        view.animate()
+                .alpha(1.0f)
+                .setDuration(200)
+                .setInterpolator(mInterpolator);
+    }
+
+    @Override
+    public void animateIndicatorIn(View indicator) {
+        indicator.setAlpha(0);
+        indicator.animate().alpha(1).setDuration(200);
+    }
+
+    @Override
+    public void animateScrimIn(View scrim) {
+        Point center = mQuickActionView.getCenterPoint();
+        if (Build.VERSION.SDK_INT >= 21 && center != null) {
+            ViewAnimationUtils.createCircularReveal(scrim, center.x, center.y, 0, Math.max(scrim.getHeight(), scrim.getWidth()))
+                    .start();
+        } else {
+            scrim.setAlpha(0f);
+            scrim.animate().alpha(1f).setDuration(200);
+        }
+    }
+}

app/src/main/java/com/ovenbits/quickactionview/sample/MainActivity.java

@@ -78,7 +78,7 @@ public void onClick(View v) {
                 .setTextColor(Color.MAGENTA);
 
         PopAnimator popAnimator = new PopAnimator(true);
-        QuickActionView.make(this)
+        QuickActionView qav = QuickActionView.make(this)
                 .addActions(R.menu.actions_2)
                 .setOnActionSelectedListener(mQuickActionListener)
                 .setBackgroundColor(Color.RED)
@@ -88,8 +88,9 @@ public void onClick(View v) {
                 .setTextBackgroundDrawable(R.drawable.text_background)
                 .setIndicatorDrawable(ContextCompat.getDrawable(MainActivity.this, R.drawable.indicator))
                 .setActionConfig(actionConfig, R.id.action_add_to_cart)
-                .setActionsInAnimator(popAnimator)
                 .setActionsOutAnimator(popAnimator)
                 .register(findViewById(R.id.custom_parent));
+        CustomActionsInAnimator customActionsInAnimator = new CustomActionsInAnimator(qav);
+        qav.setActionsInAnimator(customActionsInAnimator);
     }
 }

quickactionview/src/main/java/com/ovenbits/quickactionview/QuickActionView.java

@@ -416,6 +416,18 @@ public QuickActionView setActionConfig(Action.Config config, @IdRes int actionId
         throw new IllegalArgumentException("No Action exists with id " + actionId);
     }
 
+    /**
+     * Get the center point of the {@link QuickActionView} aka the point at which the actions will eminate from
+     * @return the center point, or null if the view has not yet been created
+     */
+    @Nullable
+    public Point getCenterPoint() {
+        if (mQuickActionViewLayout != null) {
+            return mQuickActionViewLayout.mCenterPoint;
+        }
+        return null;
+    }
+
     private void display(Point point) {
         if (mActions == null) {
             throw new IllegalStateException("You need to give the QuickActionView actions before calling show!");