mobile-dev
Mobile application development
Learn how to optimize Flutter Stack widget performance for game boards with multiple layers. Advanced techniques for smooth rendering and improved frame rates.
Learn how to disable offline mode in applications, Windows systems, gaming platforms, and mobile devices. Step-by-step guides for removing offline functionality.
Learn how to maintain visibility of expanded items in SwiftUI ScrollView with LazyVStack. Solutions include offset tracking, scrollTo, and VStack alternatives.
Fix Bluetooth LE scan issues in Codename One on Android with proper permissions configuration and implementation. Works for iOS too.
Troubleshoot Android App Links exclusions: validate your assetlinks.json, confirm manifest intent-filter scope, and order dynamic_app_link_components correctly for Android 15.
Disable Y-axis scrolling in Highcharts Flutter. Steps: disable chart panning, set yAxis min/max, use afterSetExtremes to lock extremes, or disable yAxis scrollbar (Highstock).
iOS 26 UISlider .valueChanged event is blank, event.allTouches nil preventing phase detection (.began, .moved, .ended). Fixes: use touch events (.touchDown, .touchUpInside) or subclass UISlider overriding tracking methods.
Understand the difference between px, dp (dip), and sp units in Android UI development. Learn when to use android dp for layouts, android sp for text, and px for pixels, with conversion formulas and best practices.