Opiniative Phrensy

## ?? App Features

- **No Special Permissions**: Runs without special permissions; uses only system broadcasts to retrieve battery information
- **Pure Java Development**: Developed entirely in Java with no third-party library dependencies
- **Elegant UI**: Features an iOS-style flat design for an excellent user experience
- **Dark Mode**: Supports switching between light and dark themes; automatically saves user preferences
- **Immersive Status Bar**: Transparent status bar design for a full-screen experience
- **Local Storage**: All data is stored locally to protect user privacy

## ?? Core Functions

### ?? Dashboard
- **Real-time Battery Status**: Displays current charge level, voltage, temperature, and charging status
- **24-Hour Chart**: Visualizes battery usage trends
- **Quick Statistics**: Today's discharge amount, number of charge cycles, and average temperature
- **Sample Data**: Displays example data upon first use to help users understand the interface

### ?? Calendar View
- **Monthly Overview**: Displays daily battery usage in a calendar format
- **Color Coding**: Uses different colors to indicate usage intensity (light/moderate/heavy)
- **Trend Analysis**: Weekly trend statistics and monthly summaries
- **Interactive Calendar**: Tap on a date to view detailed information

### ?? Data Analysis
- **Overall Score**: Calculates a battery health score based on usage patterns
- **Performance Metrics**: Efficiency, health status, and peak usage times
- **Usage Patterns**: Analyzes user habits and usage patterns
- **Optimization Tips**: Provides personalized battery optimization suggestions

### ?? History
- **Detailed Records**: Logs all battery data points by date
- **Filtering**: Supports viewing by All/Week/Month
- **Statistics**: Total records, average discharge, and number of charge cycles
- **Report Generation**: Generates detailed battery usage reports

### ⚙️ Settings
- **Theme Switching**: Toggle between light and dark themes; saves preference locally
- **Data Management**: Data export, backup, and cleanup functions
- **App Configuration**: Logging toggle and data retention period settings
- **App Information**: Version information, usage statistics