library/src/main/java/de/mrapp/android/view/FloatingActionButton.java
private void obtainDisabledColor(@NonNull final TypedArray typedArray) {
        int defaultDisabledColor =
                ContextCompat.getColor(getContext(), R.color.floating_action_button_disabled_color);
        disabledColor = typedArray
                .getColor(R.styleable.FloatingActionButton_disabledColor, defaultDisabledColor);
    }
private void obtainDisabledColor(@NonNull final TypedArray typedArray) {
        int defaultDisabledColor =
                ContextCompat.getColor(getContext(), R.color.floating_action_button_disabled_color);
        disabledColor = typedArray
                .getColor(R.styleable.FloatingActionButton_disabledColor, defaultDisabledColor);
    }
Obtains the floating action button's disabled color from a specific typed array.

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