Screen Locker v0.1

Screen Locker v0.1 Release Notes

New Features

Zero Resource Utilization

• App now completely terminates after locking screen
• No background processes or services remain running
• Memory usage drops to 0% after lock activation
• Zero battery impact post-lock
• No CPU utilization in background

Tap to Lock Enhancement

• Single tap anywhere on screen triggers lock mechanism
• No UI elements needed - entire screen acts as lock trigger
• Faster lock activation through simplified interaction
• More intuitive user experience

Technical Improvements

Resource Management

• Implemented finishAffinity() to close all activities
• Added exitProcess(0) for complete process termination
• Removed unnecessary background listeners
• Optimized permission handling process

Performance Optimizations

• Reduced app launch time
• Minimized memory footprint during operation
• Streamlined permission request workflow
• Improved screen lock response time

Security

Permission Handling

• Maintains device admin privileges between sessions
• Secure permission state preservation
• Minimal permission requirements

Installation Notes

Requirements

• Android 6.0 (API level 23) or higher
• Device admin permissions
• 1MB free storage space

Post-Installation

• First launch requires device admin permission
• Subsequent launches will lock screen immediately
• App self-terminates after successful lock

Known Issues

• May require re-granting permissions after system updates
• Lock activation might take longer on some devices (max 500ms)

For Developers

• Enhanced monitoring script available for resource usage verification
• Clean exit implementation can be verified through ADB
• Resource utilization can be monitored via provided scripts