Splash Screen
Location
magaza_ui/screens/splash.dart
Screenshot

Customization
There is a container that holds the background image. Here is the code snippet to look at:
Container(
decoration: BoxDecoration(
image: DecorationImage(
image: AssetImage('assets/magaza/splash-bg.png'),
fit: BoxFit.fitWidth
)
),
),
Open this file in your favorite photo editor
assets/magaza/splash-bg.png
Paste/position your preferred image and then overwrite the file, to maintain consistency across multiple screens
Changing how long the splash screen stays visible
Right after the class declaration, there is a timer duration of 3 seconds, after-which the app navigates to the slider. change the number to your choosing.
@override
void initState(){
super.initState();
Timer(Duration(seconds: 3), ()=> Navigator.of(context).pushNamed('/slider'));
}