library/src/main/java/de/mrapp/android/view/FloatingActionButton.java
private void obtainActivatedColor(@NonNull final TypedArray typedArray) {
        int defaultActivatedColor = getControlActivatedColor();
        activatedColor = typedArray
                .getColor(R.styleable.FloatingActionButton_activatedColor, defaultActivatedColor);
    }
private void obtainActivatedColor(@NonNull final TypedArray typedArray) {
        int defaultActivatedColor = getControlActivatedColor();
        activatedColor = typedArray
                .getColor(R.styleable.FloatingActionButton_activatedColor, defaultActivatedColor);
    }
Obtains the floating action button's activated color from a specific typed array.

@param typedArray
The typed array, the activated color should be obtained from, as an instance of the
class {@link TypedArray}. The typed array may not be null