FamilyGuard - Parental Control App

Ung dung quan ly thiet bi con cai cho cha me - Cross-platform Android & iOS

📱

Quan Ly Thiet Bi

Lock/Unlock man hinh tu xa, kiem soat thoi gian su dung

📊

Theo Doi Su Dung

Xem bao cao chi tiet app nao duoc su dung, bao lau

🌐

Loc Web

Whitelist/Blacklist website, loc noi dung khong phu hop

⏰

Lich Hen Gio

Dat lich su dung thiet bi theo ngay, gio cu the

📍

Vi Tri GPS

Theo doi vi tri con, tao vung an toan (geofence)

🔔

Canh Bao

Thong bao khi con truy cap noi dung khong phu hop

🔒

App Control

Cho phep / Chan cai dat ung dung moi, gioi han thoi gian

👨‍👩‍👧‍👦

Nhieu Con

Quan ly nhieu thiet bi con cai tu 1 tai khoan cha me

🎯 Target Users

👨‍👩‍👧 Cha me co con tu 3-16 tuoi
📱 Con su dung smartphone/tablet
🏫 Truong hoc muon quan ly thiet bi hoc sinh

💰 Business Model

🆓 Free 1 thiet bi, tinh nang co ban
⭐ Premium $4.99/thang - 5 thiet bi, full features
👨‍👩‍👧‍👦 Family $9.99/thang - 10 thiet bi, priority support

Parent App - Wireframes

Giao dien app cho cha me - Quan ly va giam sat thiet bi con

1. Dashboard

9:41

📶🔋

👧

Mai Anh

👦

Minh

+

Them

📱

Trang Thai Thiet Bi

iPhone 14 - Mai Anh

● Online - Dang hoat dong

72%

⚡

Thao Tac Nhanh

🔒

Khoa Man Hinh

Dang mo khoa

📍

Vi Tri

Tai nha

📊

Bao Cao

2h30 hom nay

🔔

Canh Bao

2 moi

📊

Thoi Gian Su Dung Hom Nay

2h 30m / 4h gioi han

1h

T2

3h

T3

2h

T4

1.5

T5

4h

T6

3h

T7

2.5

CN

🔔

Canh Bao Gan Day

⚠️ Mai Anh truy cap web bi chan: game-hack.com 10 ph

⏰ Mai Anh vuot qua 80% thoi gian cho phep 1h

🏠

Home

📱

Apps

🌐

Web

📍

Vi Tri

⚙️

Cai Dat

2. Quan Ly App

9:41

📶🔋

⏱️

Gioi Han Tong Thoi Gian

4 gio / ngay

Con lai: 1h 30m hom nay

Chinh sua →

📱

Ung Dung Da Cai

▶️

YouTube

45 phut hom nay | Gioi han: 1h

Gioi han

🐦

TikTok

Bi chan boi cha me

Da chan

💬

Zalo

30 phut hom nay

Cho phep

📸

Instagram

Gioi han: 30 phut/ngay

Gioi han

🎮

Roblox

Chi su dung cuoi tuan

Gioi han

📚

Google Classroom

Khong gioi han

Cho phep

🎬

Netflix

Gioi han: 1h/ngay

Gioi han

⚙️

Cai Dat He Thong

Chan go cai dat

Da chan

🚫

Yeu Cau Cai Dat Moi

📥 Mai Anh yeu cau cai dat Snapchat ✓ ✗

🏠

Home

📱

Apps

🌐

Web

📍

Vi Tri

⚙️

Cai Dat

3. Loc Web & Lich

9:41

📶🔋

🛡️

Bo Loc Noi Dung Web

🛡️

Safe Search

Loc ket qua tim kiem

🔞

Chan noi dung 18+

Tu dong phat hien va chan

⚠️

Chan quang cao

Loai bo quang cao khong phu hop

🌐

Danh Muc Website

📚

Giao duc

Wikipedia, Khan Academy...

Cho phep

🎬

Giai tri

YouTube Kids, Disney+...

Gioi han

💬

Mang xa hoi

Facebook, Twitter...

Da chan

🎰

Co bac / Nguoi lon

Tu dong chan

Da chan

🎮

Tro choi online

Cuoi tuan only

Gioi han

⏰

Lich Su Dung Thiet Bi

6:30

SANG

Mo khoa thiet bi

T2-T6 | Tu dong mo khoa

7:30

SANG

Gio hoc - Chi app hoc tap

T2-T6 | Chan giai tri

16:00

CHIEU

Gio tu do - Mo tat ca app

T2-T6 | Gioi han 2h

21:00

TOI

Gio ngu - Khoa thiet bi

Hang ngay | Tu dong khoa

8:00

SANG

Cuoi tuan - Gio tu do

T7-CN | Gioi han 4h

🏠

Home

📱

Apps

🌐

Web

📍

Vi Tri

⚙️

Cai Dat

4. Vi Tri & Geofence

9:41

📶🔋

📍

Ban do minh hoa

📍 Dang o: Nha (Vung an toan)

123 Nguyen Hue, Q1, TP.HCM

🏠

Vung An Toan (Geofence)

🏠

Nha

Ban kinh 200m

🏫

Truong hoc

Ban kinh 500m

🏋️

Lop hoc them

Ban kinh 300m

🕐

Lich Su Di Chuyen

7:00

SANG

→ Roi khoi Nha

Di chuyen ve huong truong

7:20

SANG

→ Den Truong hoc

Vao vung an toan

16:30

CHIEU

→ Ve den Nha

Vao vung an toan

🏠

Home

📱

Apps

🌐

Web

📍

Vi Tri

⚙️

Cai Dat

5. Cai Dat

9:41

📶🔋

👤

Tai Khoan

👤

Tu Nguyen

tunv.1107@gmail.com

→

⭐

Goi Premium

5 thiet bi, full tinh nang

Nang cap

📱

Thiet Bi Con

👧

Mai Anh - iPhone 14

● Online

→

👦

Minh - Samsung A54

● Offline - 2h truoc

→

+ Them thiet bi moi

🔔

Thong Bao

Canh bao noi dung

Thong bao khi con truy cap noi dung xau

Canh bao vi tri

Khi con roi khoi vung an toan

Bao cao hang ngay

Email tom tat hoat dong hang ngay

Yeu cau cai dat app

Khi con muon cai app moi

🔒

Bao Mat

Ma PIN cha me

Can PIN de thay doi cai dat

Xac thuc 2 yeu to

Bao ve tai khoan cha me

Chan go cai dat

Con khong the go app FamilyGuard

🏠

Home

📱

Apps

🌐

Web

📍

Vi Tri

⚙️

Cai Dat

Child App - Wireframes

Giao dien hien thi tren thiet bi cua con

1. Child Dashboard

9:41

📶🔋

Da su dung hom nay 2h 30m

Gioi han hom nay 4h 00m

✅

App Duoc Phep Su Dung

💬

Zalo

Khong gioi han

Mo

📚

Google Classroom

Khong gioi han

Mo

▶️

YouTube

Con 15 phut

15m

📸

Instagram

Con 18 phut

18m

📩

Yeu Cau Cho Cha Me

📱

Muon cai app moi?

Gui yeu cau den bo me de duyet

Gui Yeu Cau

⏳ Yeu cau Snapchat - Dang cho duyet

⏰

Lich Trinh Hom Nay

7:30

SANG

Gio hoc

✓ Da hoan thanh

16:00

NOW

Gio tu do ← Ban dang day

Con 1h 30m

21:00

TOI

Gio ngu - Khoa thiet bi

Tu dong khoa man hinh

⏱️

Xin them thoi gian?

Gui yeu cau them 30 phut cho bo me

Gui

2. Lock Screen

🔒

Thiet Bi Da Bi Khoa

Da het thoi gian su dung hom nay.
Hay nghi ngoi va lam bai tap nhe!

Se mo khoa sau

06:30

Sang mai (Thu 5)

📩 Xin Bo Me Mo Khoa

Chi co the goi dien khan cap

3. Canh Bao Thoi Gian

⏰

Sap Het Thoi Gian!

Con 5 phut su dung YouTube

Thoi gian su dung hom nay

55 phut / 1h

OK, Hieu roi

Xin them gio

Chi Tiet Tinh Nang

Mo ta chi tiet cac tinh nang chinh cua FamilyGuard

🔒 Device Lock/Unlock

📌 Khoa man hinh tu xa ngay lap tuc
📌 Mo khoa tu xa hoac theo lich hen gio
📌 Chon che do khoa: hoan toan / chi cho phep goi khan cap / chi hoc tap
📌 Tu dong khoa theo lich (gio ngu, gio hoc)
📌 Con co the gui yeu cau mo khoa cho cha me

📱 App Management

📌 Xem danh sach tat ca app da cai tren thiet bi con
📌 Cho phep / Chan tung app cu the
📌 Gioi han thoi gian su dung moi app
📌 Phan loai app theo nhom (Hoc tap, Giai tri, MXH...)
📌 Duyet yeu cau cai app moi tu con
📌 Chan go cai dat app FamilyGuard

🌐 Web Filtering

📌 Whitelist - Chi cho phep website cha me duyet
📌 Blacklist - Chan website cu the
📌 Loc theo danh muc (Giao duc, Giai tri, MXH, 18+...)
📌 Safe Search tren Google, Bing, YouTube
📌 Chan quang cao khong phu hop
📌 AI-powered content detection (nhan dien noi dung xau)

📊 Usage Monitoring

📌 Bao cao thoi gian su dung theo ngay / tuan / thang
📌 Top app su dung nhieu nhat
📌 Lich su web da truy cap
📌 So sanh thoi gian hoc tap vs giai tri
📌 Xu huong su dung (tang / giam)
📌 Email bao cao hang ngay cho cha me

📍 Location Tracking

📌 Vi tri real-time tren ban do
📌 Tao vung an toan (Geofence) - Nha, Truong, Lop hoc them
📌 Thong bao khi con vao/roi vung an toan
📌 Lich su di chuyen trong ngay
📌 Nut SOS khan cap cho con

⏰ Schedule & Rules

📌 Tao lich su dung theo ngay trong tuan
📌 Che do Gio hoc (chi app hoc tap)
📌 Che do Gio ngu (khoa hoan toan)
📌 Che do Cuoi tuan (noi long hon)
📌 Che do Ky thi (siet chat gioi han)
📌 Template lich co san theo do tuoi

Kien Truc He Thong

Technical architecture cho FamilyGuard - Cross-platform

System Architecture Overview

CLIENT LAYER

Parent AppReact Native

Child AppReact Native + Native Modules

Web DashboardReact.js (optional)

↕️ REST API + WebSocket + Push Notifications

API GATEWAY

API GatewayKong / AWS API GW

Auth ServiceJWT + OAuth2

Rate LimiterRedis

Load BalancerNginx / ALB

↕️ gRPC / Internal API

MICROSERVICES

User ServiceAccount, Family

Device ServiceLock, Status

App ControlAllow, Block, Limit

Web FilterURL, Category

Location ServiceGPS, Geofence

Schedule ServiceRules, Cron

Report ServiceAnalytics, Chart

NotificationFCM, APNS, Email

↕️ Read/Write

DATA LAYER

PostgreSQLPrimary DB

RedisCache, Session, Realtime

MongoDBLogs, Usage Data

S3Screenshots, Backups

ClickHouseAnalytics

↕️

INFRASTRUCTURE

AWS / GCPCloud Provider

Docker + K8sContainer Orchestration

CI/CDGitHub Actions

MonitoringDatadog / Grafana

📱 Mobile Tech Stack

Framework React Native (cross-platform)
State Zustand / Redux Toolkit
Navigation React Navigation 6
Push Firebase Cloud Messaging (FCM)
Maps React Native Maps / Google Maps
Native Module Device Policy Manager (Android) / MDM (iOS)
Realtime Socket.io cho lock/unlock tuc thoi

🖥️ Backend Tech Stack

Runtime Node.js + TypeScript
Framework NestJS (microservices)
Database PostgreSQL (primary) + MongoDB (logs)
Cache Redis (sessions, realtime state)
Queue Bull / RabbitMQ cho background jobs
Auth JWT + Refresh Token + PIN
Analytics ClickHouse cho bao cao

🔐 Bao Mat

📌 End-to-end encryption cho du lieu vi tri
📌 JWT + Refresh Token rotation
📌 Parent PIN code xac thuc tren child device
📌 HTTPS/TLS cho moi request
📌 Device attestation (chong fake device)
📌 COPPA/GDPR compliance cho du lieu tre em

⚡ Android-Specific

Device Admin DevicePolicyManager API
Usage UsageStatsManager
Lock Accessibility Service + kiosk mode
VPN Local VPN cho URL filtering
Background Foreground Service (luon chay)
Anti-uninstall Device Owner mode

🍎 iOS-Specific

MDM Mobile Device Management profile
Screen Time Screen Time API (iOS 15+)
Filter Content Filter / Network Extension
Family FamilyControls framework
Managed Managed App Configuration
Note iOS han che hon Android, can MDM enrollment

🔄 Communication Flow

Command Parent gui lenh → API → Push → Child thuc thi
Report Child gui usage data moi 5 phut
Lock WebSocket cho lock/unlock (<2s delay)
Alert Child trigger → API → Push → Parent nhan
Location GPS update moi 1-5 phut (tuy pin)

Database Schema

Cau truc co so du lieu chinh cua FamilyGuard

👤 users

idPKUUIDPrimary key

emailVARCHAREmail dang nhap

password_hashVARCHARBcrypt hash

nameVARCHARTen hien thi

roleENUMparent | child

family_idUUIDFKNhom gia dinh

parent_pinVARCHARPIN cha me (hash)

planENUMfree | premium | family

created_atTIMESTAMP

📱 devices

idPKUUIDPrimary key

child_idUUIDFK→ users.id

nameVARCHARiPhone 14, Samsung A54...

platformENUMandroid | ios

os_versionVARCHARiOS 17, Android 14...

is_lockedBOOLEANTrang thai khoa

is_onlineBOOLEANOnline/Offline

batteryINT% pin hien tai

fcm_tokenVARCHARPush notification token

last_seenTIMESTAMPLan cuoi online

📦 app_rules

idPKUUIDPrimary key

device_idUUIDFK→ devices.id

package_nameVARCHARcom.youtube.app

app_nameVARCHARTen hien thi app

statusENUMallowed | blocked | limited

daily_limit_minINTGioi han phut/ngay

categoryVARCHAReducation, social, game...

allowed_daysVARCHAR[]Ngay cho phep (mon-sun)

🌐 web_rules

idPKUUIDPrimary key

device_idUUIDFK→ devices.id

url_patternVARCHAR*.facebook.com

categoryVARCHAReducation, social, adult...

actionENUMallow | block | warn

safe_searchBOOLEANBat Safe Search

⏰ schedules

idPKUUIDPrimary key

device_idUUIDFK→ devices.id

nameVARCHARGio hoc, Gio ngu...

start_timeTIME07:30:00

end_timeTIME16:00:00

daysVARCHAR[][mon,tue,wed,thu,fri]

modeENUMlock | study | free | custom

allowed_appsUUID[]App duoc phep trong khung gio

is_activeBOOLEANBat/Tat schedule

📊 usage_logs (MongoDB)

_idObjectIdPrimary key

device_idUUID→ devices.id

app_packageStringcom.youtube.app

start_timeDateTimeBat dau su dung

end_timeDateTimeKet thuc su dung

duration_secIntTong thoi gian (giay)

urls_visitedArrayURL da truy cap

📍 locations (MongoDB)

_idObjectIdPrimary key

device_idUUID→ devices.id

latDoubleVi do

lngDoubleKinh do

addressStringDia chi reverse geocoded

in_safe_zoneBooleanDang trong vung an toan?

zone_nameStringNha / Truong / ...

timestampDateTimeThoi diem ghi nhan

🔔 notifications

idPKUUIDPrimary key

user_idUUIDFK→ users.id (parent)

typeENUMalert | request | report

titleVARCHARTieu de thong bao

bodyTEXTNoi dung chi tiet

is_readBOOLEANDa doc chua

action_typeVARCHARapprove_app, view_location...

created_atTIMESTAMP

API Endpoints

RESTful API design cho FamilyGuard backend

🔐 Authentication

Method	Endpoint	Mo ta
POST	/api/auth/register	Dang ky tai khoan parent
POST	/api/auth/login	Dang nhap
POST	/api/auth/refresh	Lam moi token
POST	/api/auth/verify-pin	Xac thuc PIN cha me
POST	/api/auth/child/pair	Ghep doi thiet bi con (QR code)

📱 Device Management

Method	Endpoint	Mo ta
GET	/api/devices	Danh sach thiet bi con
GET	/api/devices/:id/status	Trang thai thiet bi (online, pin, lock)
POST	/api/devices/:id/lock	Khoa man hinh tu xa
POST	/api/devices/:id/unlock	Mo khoa man hinh tu xa
PUT	/api/devices/:id/settings	Cap nhat cai dat thiet bi
DEL	/api/devices/:id	Xoa/huy ghep doi thiet bi

📦 App Control

Method	Endpoint	Mo ta
GET	/api/devices/:id/apps	Danh sach app tren thiet bi
PUT	/api/devices/:id/apps/:pkg/rule	Dat rule cho app (allow/block/limit)
GET	/api/devices/:id/apps/requests	Yeu cau cai dat app moi tu con
POST	/api/devices/:id/apps/requests/:rid/approve	Duyet yeu cau cai app
POST	/api/devices/:id/apps/requests/:rid/reject	Tu choi yeu cau cai app

🌐 Web Filter

Method	Endpoint	Mo ta
GET	/api/devices/:id/web-rules	Danh sach rule web
POST	/api/devices/:id/web-rules	Them rule moi (whitelist/blacklist)
PUT	/api/devices/:id/web-rules/:rid	Cap nhat rule web
PUT	/api/devices/:id/web-filter/settings	Cai dat bo loc (safe search, ad block)
GET	/api/devices/:id/web-history	Lich su web da truy cap

⏰ Schedules

Method	Endpoint	Mo ta
GET	/api/devices/:id/schedules	Danh sach lich su dung
POST	/api/devices/:id/schedules	Tao lich moi
PUT	/api/devices/:id/schedules/:sid	Cap nhat lich
DEL	/api/devices/:id/schedules/:sid	Xoa lich

📍 Location

Method	Endpoint	Mo ta
GET	/api/devices/:id/location	Vi tri hien tai
GET	/api/devices/:id/location/history	Lich su di chuyen
GET	/api/devices/:id/geofences	Danh sach vung an toan
POST	/api/devices/:id/geofences	Tao vung an toan moi
PUT	/api/devices/:id/geofences/:gid	Cap nhat vung an toan

📊 Reports & Usage

Method	Endpoint	Mo ta
GET	/api/devices/:id/usage/today	Su dung hom nay
GET	/api/devices/:id/usage/weekly	Bao cao tuan
GET	/api/devices/:id/usage/monthly	Bao cao thang
GET	/api/devices/:id/usage/apps	Usage theo tung app
POST	/api/child/usage/sync	Child gui usage data len server
POST	/api/child/location/update	Child gui vi tri len server

🔔 Child-side APIs

Method	Endpoint	Mo ta
GET	/api/child/rules	Lay tat ca rules (app, web, schedule)
POST	/api/child/request-unlock	Gui yeu cau mo khoa cho parent
POST	/api/child/request-app	Gui yeu cau cai app moi
POST	/api/child/request-time	Gui yeu cau them thoi gian
POST	/api/child/sos	Nut SOS khan cap

User Flow Diagrams

Cac luong su dung chinh cua FamilyGuard

1. Onboarding Flow

Parent tai app & Dang ky

↓

Tao ho so con (Ten, Tuoi)

↓

Tai Child App len thiet bi con

↓

Quet QR Code de ghep doi

↓

Chon template (theo tuoi)

↓

Cap quyen: Location, Usage, Admin

↓

Hoan tat! Bat dau su dung

2. Lock/Unlock Flow

Parent nhan "Khoa" tren app

↓

API nhan lenh → Push to Child

↓

Child nhan Push Notification

↓

Child App hien Lock Screen

↓

Con nhan "Xin Mo Khoa"?

↓ Co

Parent nhan thong bao yeu cau

↓

Parent dong y?

↓ Co

API gui lenh Unlock → Child mo khoa

3. App Request Flow

Con muon cai app moi

↓

Gui yeu cau qua FamilyGuard

↓

Parent nhan Push thong bao

↓

Xem thong tin app & Quyet dinh

↓

Duyet: App tu cai dat + set rule

hoac

Tu choi: Gui ly do cho con

4. Web Filter Flow

Con truy cap website

↓

Local VPN / Content Filter kiem tra URL

↓

URL co trong whitelist?

↓ Khong

URL nam trong category bi chan?

↓ Co

Hien trang "Website bi chan"

Gui alert den parent

↓

Parent nhan canh bao ve web bi chan

FamilyGuard - Parental Control App

🎯 Target Users

💰 Business Model

Parent App - Wireframes

FamilyGuard

Quan Ly Ung Dung

Web & Lich Trinh

Vi Tri Con

Cai Dat

Child App - Wireframes

Xin chao Mai Anh! 👋

Chi Tiet Tinh Nang

🔒 Device Lock/Unlock

📱 App Management

🌐 Web Filtering

📊 Usage Monitoring

📍 Location Tracking

⏰ Schedule & Rules

Kien Truc He Thong

System Architecture Overview

📱 Mobile Tech Stack

🖥️ Backend Tech Stack

🔐 Bao Mat

⚡ Android-Specific

🍎 iOS-Specific

🔄 Communication Flow

Database Schema

API Endpoints

🔐 Authentication

📱 Device Management

📦 App Control

🌐 Web Filter

⏰ Schedules

📍 Location

📊 Reports & Usage

🔔 Child-side APIs

User Flow Diagrams

1. Onboarding Flow

2. Lock/Unlock Flow

3. App Request Flow

4. Web Filter Flow