Fix bug with no elevation on >=Lollipop devices

Author: jpelczar

app/src/main/res/layout/button_custom.xml

@@ -229,10 +229,11 @@ private void setShapeBackground() {
         drawableNormal.setColor(backgroundColor);
         drawablePressed.setColor(backgroundPressed);
         drawableDisabled.setColor(backgroundDisabled);
-        drawableNormal.setStroke((int) frameSize, frameColor);
-        drawablePressed.setStroke((int) frameSize, frameColorPressed);
-        drawableDisabled.setStroke((int) frameSize, frameColorDisabled);
-
+        if (frameSize > 0) {
+            drawableNormal.setStroke((int) frameSize, frameColor);
+            drawablePressed.setStroke((int) frameSize, frameColorPressed);
+            drawableDisabled.setStroke((int) frameSize, frameColorDisabled);
+        }
 
         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
 
@@ -246,7 +247,6 @@ private void setShapeBackground() {
                 container.setBackgroundDrawable(stateListDrawable);
 
         } else {
-
             stateListDrawable.addState(new int[]{android.R.attr.state_enabled}, drawableNormal);
             stateListDrawable.addState(new int[]{}, drawableDisabled);
 
@@ -332,11 +332,6 @@ public void setFrame(int color, float size) {
         setShapeBackground();
     }
 
-    public void removeFrame() {
-        frameSize = 0;
-        setShapeBackground();
-    }
-
     /**
      * Set frame size and color from color state list.
      * Only three states are use: disabled, pressed, normal.
@@ -363,6 +358,11 @@ public void setFrameSize(float frameSize) {
         setShapeBackground();
     }
 
+    public void removeFrame() {
+        frameSize = 0;
+        setShapeBackground();
+    }
+
     /**
      * Set text color.
      *

library/src/main/java/pl/sigmapoint/customview/CustomButton.java

@@ -12,7 +12,7 @@
             <objectAnimator
                 android:duration="75"
                 android:propertyName="elevation"
-                android:valueTo="4dp"
+                android:valueTo="3dp"
                 android:valueType="floatType" />
         </set>
     </item>
@@ -28,7 +28,7 @@
             <objectAnimator
                 android:duration="75"
                 android:propertyName="elevation"
-                android:valueTo="2dp"
+                android:valueTo="1dp"
                 android:valueType="floatType" />
         </set>
     </item>