Prevent back button from closing the app
If you do not define anything else, then Flutter will react by exiting the app on the (Android) user …
🎨 Flutter UI tutorials
Flutter tutorials related to everything visible seen on the screen.
From self-drawn UI widgets using the canvas to complex compositions of native Flutter widgets.
Pull to refresh
The pull-to-refresh gesture is a popular UI mechanic that is used not only in Google’s Material …
Smartphone movement speedometer
Communicating with the hardware of a phone can be tricky in Flutter because it abstracts from the …
Widget Magnifier
Especially when dragging markers across an image, it’s quite common to show a magnifier that …
The Matrix effect (digital rain)
I recently found out it’s been over twenty years since the release of The Matrix.
Implementing edge detection in Flutter
Note: Substantial parts of the code described here have been created during my working relationship …
Simulate an LED display
I have recently taken a ride with a train. I had a closer look at the LED display that shows the …
Audio player in retro design
Who remembers good old audio tapes? In my opinion although they are technically outdated, they are …
Burning paper effect
Perhaps you know this effect from the cult series “Bonanza” from television in the 1960s.
Calculator app
This is a total beginner tutorial, it requires zero prior knowledge.