public void setAppLock(AppLock appLocker) {
        if (mAppLocker != null) {
            mAppLocker.disable();
        }
        mAppLocker = appLocker;
    }
Disables the previous app lock and set a new one
lib/src/main/java/com/github/omadahealth/lollipin/lib/managers/LockManager.java