Project structure & resources

Where do I store my resolution-dependent image files?
Where do I store strings? How do I handle localization?
What is the equivalent of a Gradle file? How do I add dependencies?

Activities and fragments

What are the equivalent of activities and fragments in Flutter?
How do I listen to Android activity lifecycle events?

Layouts

What is the equivalent of a LinearLayout?
What is the equivalent of a RelativeLayout?
What is the equivalent of a ScrollView?
How do I handle landscape transitions in Flutter?

Gesture detection and touch event handling

How do I add an onClick listener to a widget in Flutter?
How do I handle other gestures on widgets?

Listviews & adapters

What is the alternative to a ListView in Flutter?
How do I know which list item is clicked on?
How do I update ListView’s dynamically?

Working with text