library/src/main/java/de/mrapp/android/view/FloatingActionButton.java
private void initialize(@Nullable final AttributeSet attributeSet) {
        inflateLayout();
        obtainStyledAttributes(attributeSet);
        adaptShadow();
        adaptImageButtonSize();
        adaptImageButtonBackground();
    }
private void initialize(@Nullable final AttributeSet attributeSet) {
        inflateLayout();
        obtainStyledAttributes(attributeSet);
        adaptShadow();
        adaptImageButtonSize();
        adaptImageButtonBackground();
    }
Initializes the view.

@param attributeSet
The attribute set, the view's attributes should be obtained from, as an instance of
the type {@link AttributeSet} or null, if no attributes should be obtained