From "Hello, World!" to a dynamic application! In this video, we build upon our previous lesson by adding user input to our simple Compose app. In doing so, we take a deep look into state and the Compose lifecycle.
Empty Project Starting Point:
https://github.com/MaxLangleyDev/ComposeAbsoluteBeginnersGuide/blob/main/BeginnerGuide_Part2_StartingPoint.zip
(Select the three dots on the right and click "download")
If you're having trouble setting up your project, you can follow my step-by-step project setup guide here: https://www.youtube.com/watch?v=B8Kj-TONzkg
Watch the previous episode of my Compose beginners guide here:
https://www.youtube.com/watch?v=f5ZeooUn0wg
Additional Reading:
https://developer.android.com/develop/ui/compose/lifecycle
https://developer.android.com/develop/ui/compose/text/user-input
Timestamps:
0:00 - Intro
0:25 - What is "State"?
0:52 - How to add state to our App
1:18 - Compose Lifecycle and Recomposition
2:25 - The "remember" Function
2:51 - The "mutableStateOf" Function
3:44 - User Input
3:57 - Adding An OutlinedTextField
5:22 - Adding A Button
6:35 - Adding Spacers to the Layout
7:30 - Running the App
7:46 - Checking the Layout Inspector
10:14 - Cleaning Up With The "by" Delegate
11:19 - Closing Thoughts (MVVM Teaser)
