## Application Features - **Running Without Permissions:** Requires no special permissions; only uses system broadcasts to obtain battery information. - **Pure Java Development:** Developed entirely in Java, with no third-party library dependencies. - **Beautiful Interface:** Adopts an iOS-style flat design, providing an excellent user experience. - **Dark Mode:** Supports switching between light and dark themes and automatically saves user preferences. - **Immersive Status Bar:** Transparent status bar design provides a full-screen experience. - **Local Storage:** All data is stored locally to protect user privacy. ## Core Functions ### Dashboard - **Real-time Battery Status:** Displays current battery level, voltage, temperature, and charging status. - **24-Hour Chart:** Visualizes battery usage trends. - **Quick Statistics:** Today's discharge amount, number of charges, and average temperature. - **Sample Data:** Shows sample data upon first use to help users understand the interface. ### Calendar View - **Monthly Overview:** Display daily battery usage in calendar format - **Color Coding**: Different colors indicate usage intensity (mild/moderate/heavy) - **Trend Analysis**: Weekly trend statistics and monthly summaries - **Interactive Calendar**: Click on a date to view detailed information ### ?? Data Analysis - **Overall Rating**: Calculates battery health score based on usage patterns - **Performance Metrics**: Efficiency, health status, peak usage time - **Usage Patterns**: Analyzes user usage habits and patterns - **Optimization Suggestions**: Provides personalized battery optimization suggestions ### ?? History - **Detailed Records**: Records all battery data points by date - **Filter Function**: Supports filtering by all/week/month - **Data Statistics**: Total number of records, average discharge, number of charge cycles - **Report Generation**: Generates detailed battery usage reports ### ⚙️ Settings - **Theme Switching**: Switch between light and dark themes, supports local saving - **Data Management**: Data export, backup, and cleanup functions - **Application Configuration**: Recording switch, data retention days settings - **Application Information**: Version information, usage statistics

## Application Features - **Running Without Permissions:** Requires no special permissions; only uses system broadcasts to obtain battery information. - **Pure Java Development:** Developed entirely in Java, with no third-party library dependencies. - **Beautiful Interface:** Adopts an iOS-style flat design, providing an excellent user experience. - **Dark Mode:** Supports switching between light and dark themes and automatically saves user preferences. - **Immersive Status Bar:** Transparent status bar design provides a full-screen experience. - **Local Storage:** All data is stored locally to protect user privacy. ## Core Functions ### Dashboard - **Real-time Battery Status:** Displays current battery level, voltage, temperature, and charging status. - **24-Hour Chart:** Visualizes battery usage trends. - **Quick Statistics:** Today's discharge amount, number of charges, and average temperature. - **Sample Data:** Shows sample data upon first use to help users understand the interface. ### Calendar View - **Monthly Overview:** Display daily battery usage in calendar format - **Color Coding**: Different colors indicate usage intensity (mild/moderate/heavy) - **Trend Analysis**: Weekly trend statistics and monthly summaries - **Interactive Calendar**: Click on a date to view detailed information ### ?? Data Analysis - **Overall Rating**: Calculates battery health score based on usage patterns - **Performance Metrics**: Efficiency, health status, peak usage time - **Usage Patterns**: Analyzes user usage habits and patterns - **Optimization Suggestions**: Provides personalized battery optimization suggestions ### ?? History - **Detailed Records**: Records all battery data points by date - **Filter Function**: Supports filtering by all/week/month - **Data Statistics**: Total number of records, average discharge, number of charge cycles - **Report Generation**: Generates detailed battery usage reports ### ⚙️ Settings - **Theme Switching**: Switch between light and dark themes, supports local saving - **Data Management**: Data export, backup, and cleanup functions - **Application Configuration**: Recording switch, data retention days settings - **Application Information**: Version information, usage statistics