FAQ Overview
During the process of developing with uni-app, you may encounter various issues. This section summarizes the most common questions and corresponding solutions to help you quickly resolve difficulties in your development.
Environment Configuration Issues
Development Environment Setup
- How to correctly install HBuilderX?
- How to configure Node.js environment?
- What to do if CLI project creation fails?
- How to solve dependency installation failures?
Editor Configuration
- How to configure code formatting?
- How to install and use plugins?
- How to configure code snippets?
- How to set editor themes?
Compilation and Running Issues
Compilation Errors
- Common syntax errors and solutions
- Module import/export errors
- Resource reference path errors
- Conditional compilation related errors
Runtime Errors
- Troubleshooting white screen issues
- Interpreting console error messages
- Slow page loading issues
- Hot reload not working issues
Cross-Platform Compatibility Issues
Platform Differences
- How to use platform-specific APIs
- How to handle platform style differences
- Best practices for conditional compilation
- Choosing cross-platform component libraries
Compatibility Testing
- How to conduct multi-platform testing
- Common compatibility issues and solutions
- How to use real device debugging
- Differences between simulators and real devices
Performance Optimization Issues
Startup Performance
- How to improve application startup speed
- First screen loading optimization strategies
- Preloading and lazy loading techniques
- Subpackage loading configuration and usage
Runtime Performance
- List rendering performance optimization
- Reducing unnecessary rendering
- Image resource optimization
- Animation performance optimization
Memory Management
- How to avoid memory leaks
- Large data handling strategies
- Page switching memory optimization
- How to perform performance analysis
Network Request Issues
Request Configuration
- How to configure request interceptors
- Solutions for CORS issues
- How to handle request timeouts
- Implementing request retry mechanisms
Data Processing
- How to handle complex nested data
- Data caching strategies
- Large data pagination loading
- How to implement pull-to-refresh and load-more
Network Status
- How to detect network status changes
- Offline data handling strategies
- Optimization solutions for weak network environments
- Friendly prompts for network errors
Page Styling Issues
Layout Issues
- How to implement responsive layouts
- Common flex layout issues
- Positioning and z-index issues
- Scrolling area setting issues
Style Compatibility
- How to handle style differences across platforms
- Notes on using rpx units
- Cross-platform handling of fonts and icons
- Style isolation issues
Animation Effects
- How to implement smooth transition animations
- Methods for implementing complex animations
- How to optimize animation performance
- Examples of common animation effects
Component Usage Issues
Built-in Components
- Tips for using common components
- Component event passing issues
- Component style override issues
- Using dynamic components
Custom Components
- Best practices for component communication
- How to encapsulate highly reusable components
- Component lifecycle issues
- Tips for using slots
Third-party Components
- How to integrate third-party UI libraries
- Common third-party component issues
- Solutions for component conflicts
- How to contribute components to the community
API Usage Issues
Basic APIs
- Tips for using navigation APIs
- Best practices for data storage APIs
- Using system information APIs
- Encapsulating network request APIs
Media APIs
- Image selection and preview issues
- Audio and video playback control
- Camera and recording permission issues
- File upload and download issues
Location APIs
- Geolocation acquisition issues
- Tips for using map components
- Location permission handling
- Implementing background location
Device APIs
- Implementing Bluetooth and NFC functions
- Sensor data acquisition
- Device information reading
- Clipboard operation issues
Packaging and Deployment Issues
Packaging Configuration
- How to configure app icons and splash screens
- Version number and app identifier settings
- Environment variable configuration
- Application of conditional compilation in production environments
Platform Publishing
- iOS packaging and publishing process
- Android packaging and publishing process
- Various mini-program publishing processes
- H5 version publishing and deployment
Updates and Maintenance
- Implementing app hot updates
- Version upgrade prompts
- Emergency fixes for online issues
- Multi-channel packaging strategies
Questions and Feedback
If you encounter issues not covered in this documentation during development, please feel free to seek help through the following channels:
Before asking questions, please make sure you have:
- Searched for related issues to avoid duplicate questions
- Prepared a complete problem description and reproduction steps
- Provided necessary environment information and code examples
- Described the solutions you have already tried
This will help the community locate and solve your problem more quickly.