Antitheft – Intelligent Protection System for Android

Turn any Android phone into a powerful anti-theft security system.

Antitheft Pro is a complete Android protection system designed to detect intruders, trigger alarms, capture photos, and send alerts when suspicious activity is detected.
It delivers enterprise-grade protection features combined with a modern, scalable architecture.

⚠️ IMPORTANT: Technical Implementation of Stealth Features

To ensure maximum compatibility from Android 10 to 16 (SDK 29–36) without requiring ROOT or special firmware, Antitheft Pro uses a Stealth Mitigation Architecture (also known as “Teatro Mode”).

How “Fake” Protection Works (Realist vs. Tech Experts):

For the Intruder (The Illusion): When the thief attempts to power off the device or enable Airplane Mode, the app intercepts the action and displays a pixel-perfect “Fake” system interface. To the thief, the phone appears disconnected or off.

For the Owner (The Reality): The device remains fully powered on and connected in the background. The system continues to track GPS, take photos, and prepare alerts.

The “Blackout” Protocol: Once the “Fake” action is triggered, the app can dim the screen to 0% and block touch interactions, making the phone look like a “brick” while it secretly transmits its location.

Resilient Sync (Black Box): If a real Airplane Mode is eventually triggered, our Internal Sync Queue (ROOM Database) saves every coordinate. As soon as the device detects a split-second of Wi-Fi or Mobile Data, the WorkManager automatically “dumps” all saved tracking data to the owner’s email.

Developer Note: This app does not “disable” system hardware (which is restricted by modern Android security). Instead, it outsmarts the intruder by hijacking the UI flow using Accessibility Services and Device Admin policies. This ensures the app works on 99% of modern devices, including Samsung S-Series, Pixels, and Xiaomi.

[DOWNLOAD DEMO APK]

New in Version 2.0

• Fake Shutdown Protection
• Fake Airplane Mode Protection
• Calculator Camouflage Mode
• SIM Change Alert
• Trusted Wi-Fi Alert
• Security Score dashboard
• Improved UI and monitoring stability

️ Key Features

• Intruder selfie capture after incorrect unlock attempts
• Email alerts with GPS location using Gmail API (OAuth2)
• SIM Change Alert detection
• Trusted Wi-Fi Alert monitoring
• Fake Shutdown protection mode
• Fake Airplane Mode protection
• Calculator Camouflage (hidden app mode)
• Motion detection alarm
• Charger removal alarm
• Pocket / Bag detection alarm
• Device Administrator integration
• Security Score protection dashboard
• Intrusion history with timestamps and images
• Secure storage using EncryptedSharedPreferences

️ Advanced Stealth Protection

Antitheft Pro includes stealth security features designed to prevent intruders from disabling the protection system.

• Fake Shutdown Mode
  Simulates a real shutdown while the device continues running protection in the background. Fake Airplane Mode
  Displays a fake airplane mode interface while keeping the device connected and able to send alerts. Calculator Camouflage
  Disguises the application as a fully functional calculator to hide the security system.

Anti-Theft Alarm System

Multiple alarm modes:

• Motion Alarm – triggers when the device is moved
• Charger Alarm – triggers when the charger is disconnected
• Pocket Alarm – triggers when the device is removed from a pocket or bag

Alarm supports vibration, custom tones, and automatic volume control.

Security Alerts and Monitoring

• Intruder photo capture
• Email alerts with GPS location
• Silent background monitoring
• Full intrusion history
• Security score indicator for device protection level

Monetization Ready

The project includes integrated Google AdMob support:

• AdMob (Banner, Interstitial, Native, Rewarded)
• In-App Purchase (Remove Ads)
• Easy integration with Google Play Billing

Monetization Ready (Advanced)

The project includes a complete monetization system ready for production:

• AdMob Integration
• Banner Ads
• Interstitial Ads (with cooldown logic)
• Native Ads (custom layouts)
• Rewarded Ads
• In-App Purchase (Google Play Billing)
• Remove Ads (lifetime purchase)
• Automatic purchase restore
• Secure purchase acknowledgment

Reward System (Unique Feature)

Users can watch a rewarded ad to unlock temporary ad-free experience
Example: watch ad → get 3 days without ads
Smart stacking system for multiple rewards

⭐ Premium System

• Dedicated Premium screen (Material Design 3)
• Real-time status: - Free (ads active) - Temporary ad-free - Premium (lifetime)
• Dynamic pricing display from Google Play
• Restore purchases support

This creates a hybrid monetization model (Ads + Reward + Premium) used in top apps.

Internationalization Ready

Multi-language support included:

• English (US)
• Portuguese (Brazil)
• Spanish
• French
• Hindi
• German
• Russian
• Indonesian
• Turkish
• Vietnamese

Full support for:

- strings.xml
- plurals system (proper grammar per language)
- dynamic language switching (no app restart required)

Production-level localization system included.

⚙️ Technology Stack

• Android SDK 29 – 36
• 100% Native Java
• Material Design 3 UI
• Modular and scalable architecture
• Google Sign-In integration
• Gmail API with OAuth2 authentication
• Version Catalog (Toml) dependency management
• Clean and well-documented code structure

‍ Who Is This Item For?

• Developers looking for a ready-to-use protection system.
• Projects requiring advanced UI hijacking techniques (Teatro Mode) for security.
• Important: This app outsmarts intruders by hijacking the UI flow (Accessibility + Overlays) instead of disabling system hardware, ensuring 99% compatibility on modern Android 10-16 devices without ROOT.
• Learning advanced Android security implementations
• Developers who want a ready monetization system (AdMob + Billing + Rewarded)

Support Policy

Before purchase, please test the demo APK on your devices.
We do not provide refunds after purchase.
“Test the ‘Teatro Mode’ in our Demo APK to see the UI hijacking in action.”

We value our clients, but:

• Support is provided only for bugs/issues in original code
• Customizations are NOT included in free support
• Paid customization is available upon request

Support channel: Email only

✔️ What You Get

• Full Android Studio Project Source Code.
• Comprehensive Documentation (HTML) with Screen Shot.
• Free Lifetime Updates – get all the new features I add in each future update for free.

Changelog

Version 2.0 – Major Technical Overhaul & Security Update

 [Security & Compliance - CRITICAL] - New: Google Play Integrity API Integration – Replaced legacy licensing with modern server-side compatible integrity checks to prevent piracy. - New: Root Detection System – Advanced monitoring for compromised environments with real-time user alerts. - Enhanced Data Protection – Added mandatory confirmation dialog for the "Wipe Device" widget to prevent accidental data loss. - Full Code Protection – ProGuard/R8 implementation enabled to protect intellectual property and sensitive logic. - Improved Theme Compatibility – Full support for system-wide Light and Dark themes (forced dark mode removed).  [New Features] - New: Advanced Stealth Mitigation Engine (Fake Shutdown & Fake Airplane Mode) using UI Overlay technology. - New: Offline Tracking Persistence (Powered by ROOM Database) – stores GPS coordinates even during connectivity gaps. - Added Calculator Camouflage Mode – Disguise the app icon and interface as a functional calculator. - Added SIM Change Alert & Trusted Wi-Fi Perimeter Alert. - Added In-App Purchase support (Google Play Billing).  [Improvements & Fixes] - New Security Score Dashboard – Real-time protection overview with dynamic risk assessment. - Library Updates – Migrated to stable androidx.security:security-crypto:1.1.0 and updated Gmail API. - Standardized Image Loading – Switched to Glide for better performance and reduced APK size. - Improved background monitoring stability and Accessibility Service persistence on Android 14+. - General bug fixes and performance improvements. 

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