@Override
    public void enable() {
        PinActivity.setListener(this);
        PinCompatActivity.setListener(this);
        PinFragmentActivity.setListener(this);
    }
Static method that allows to get back the current static Instance of {@link AppLockImpl}

@param context       The current context of the {@link Activity}
@param activityClass The activity extending {@link AppLockActivity}
@return The instance.
lib/src/main/java/com/github/omadahealth/lollipin/lib/managers/AppLockImpl.java