Android has always allowed the exact same trick iOS does to make it seem that apps launch quickly — show an "outline" of the UI while the real one loads. Though

Android has always allowed the exact same trick iOS does to make it seem that apps launch quickly — show an "outline" of the UI while the real one loads. Though it does take some drawable and theming wizardry to get it right. Some apps, on both platforms, use this to show a splash screen.