Tutorial 9

Interactive Phase 1 quiz lab.

These quizzes check whether the learner can reason about Android concepts, not just recognize terms. They are intentionally small and repeatable.

Multi-select: choose all correct statements

Question: Which statements are correct for beginner Compose state?

UI should read state and display it. You should manually redraw the screen after every click. Button clicks can update state. When state changes, Compose can re-run relevant composables.

Drag-and-drop: order the first app workflow

Drag the steps into the correct sequence.

Run the app on emulator or phone

Create an Empty Activity Compose project

Observe the screen and logs

Edit MainActivity or a composable

Matching: connect the concept to its role

MainActivity Gradle remember Column

Code-fix prompt

Find the problem before checking the explanation.

@Composable
fun Counter() {
    var count = 0

    Button(onClick = { count += 1 }) {
        Text("Count: $count")
    }
}