C++17 feature-test macros C++ standard compiler support portability

iOS Swift keyboard shortcuts menus UIKeyCommand UIMenu UIAction external keyboard support

Offline support UIKit Swift iOS development data caching network monitoring

SwiftUI Offline Support Swift Local Data Storage Network Status

SwiftUI multi-window support Swift macOS application development UI design

Android permissions backward compatibility runtime permissions Android Support Library API level 23

Navigation Component Android Backward Compatibility Support Libraries API Levels

Android JobScheduler backward compatibility Android development job scheduling Android version support

explicit intents Android development backward compatibility explicit intent example Support Library

Adapter backward compatibility Android support libraries AndroidX

android ListView backward compatible Android Support Library AndroidX mobile development

Android RelativeLayout backward compatibility support libraries XML layout

Android backward compatibility Android layouts Android development AndroidX support libraries alternative resource folders

Android View Components Backward Compatibility AndroidX Support Library

Fragment Lifecycle Android Fragment Backward Compatibility Support Library Android Development

Android Backward Compatibility Fragments androidx Support Library

Android Fragments Testing JUnit Robolectric Android Testing Support Library

Azure Monitor troubleshooting Azure support metrics logs diagnostic settings resource health

Android SDK backward compatibility AppCompatActivity Support Library Android development

dual-life modules Perl versions module support dependency management software compatibility