public void setTactileFeedbackEnabled(boolean tactileFeedbackEnabled) {
        enableHapticFeedback = tactileFeedbackEnabled;
    }
Set whether the view will use tactile feedback. If true, there will be
tactile feedback as the user enters the pattern.

@param tactileFeedbackEnabled Whether tactile feedback is enabled
android-patternview/src/main/java/com/eftimoff/patternview/PatternView.java