2. Developer’s Guide

• 2.1. Scanning From the Camera Feed
  • 2.1.1. Using a ZBarReaderViewController
  • 2.1.2. Using a ZBarReaderView
  • 2.1.3. Using the ZBarCaptureReader
• 2.2. Scanning a User-Selected Image
  • 2.2.1. Handling Failure
• 2.3. Customizing the Interface
  • 2.3.1. Customizing the Overlay
  • 2.3.2. Presenting Help
  • 2.3.3. Customizing the Help Content
• 2.4. Optimizing the Reader
  • 2.4.1. Measuring Performance
  • 2.4.2. Delegate Latency
  • 2.4.3. Image Quality
  • 2.4.4. Frame Rate
  • 2.4.5. Examples
• 2.5. Backward Compatibility
  • 2.5.1. The Private API
  • 2.5.2. Upgrading to iOS 4
  • 2.5.3. Supporting iOS 3.x
  • 2.5.4. Example: Fallback to Manual Capture
• 2.6. Licensing the Library
  • 2.6.1. Licensing FAQ
  • 2.6.2. Modifications
  • 2.6.3. Object File Distribution
  • 2.6.4. Using the Unmodified Library
  • 2.6.5. Using a Modified Library