Mobile Dev

Questions about iOS, Android development, SDKs, and mobile apps.

Mobile Dev iOS 26 UISlider valueChanged allTouches Nil Fix

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.

#ios
#mobile-dev
#swift
#touch-events
#uislider

1 answer• 4 views

01/08/2026, 07:59 AM

Mobile Dev Android PX vs DP vs DIP vs SP: Differences & Usage

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.

#android
#density-pixels
#jetpack-compose
#mobile-dev
#ui-design

1 answer• 3 views

01/14/2026, 01:14 PM