Minor demo improvements

Author: Gordi90

circulardemo/src/main/java/hu/gordon/circulardemo/fragments/RevealFragment.java

@@ -68,7 +68,11 @@ public void onClick(View view) {
                 // Pre-calculations
                 //
                 // get the final radius for the clipping circle
-                float finalRadius = ViewAnimationUtils.hypo(screenWidth, screenHeight);
+
+                int[] myViewLocation = new int[2];
+                myView.getLocationInWindow(myViewLocation);
+
+                float finalRadius = ViewAnimationUtils.hypo(screenWidth-myViewLocation[0], screenHeight-myViewLocation[1]);
                 int[] center = ViewAnimationUtils.getCenter(fab, myView);
 
                 ObjectAnimator animator =

circulardemo/src/main/java/hu/gordon/circulardemo/fragments/TransformFragment.java

@@ -96,7 +96,10 @@ public void onClick(View view) {
                 // Pre-calculations
                 //
                 // get the final radius for the clipping circle
-                float finalRadius = ViewAnimationUtils.hypo(screenWidth, screenHeight);
+                int[] myTargetViewLocation = new int[2];
+                myTargetView.getLocationInWindow(myTargetViewLocation);
+
+                float finalRadius = ViewAnimationUtils.hypo(screenWidth-myTargetViewLocation[0], screenHeight-myTargetViewLocation[1]);
                 int[] center = ViewAnimationUtils.getCenter(fab, myTargetView);
 
                 animator =