1

Using Kotlin with Android

2

Basic Types and Variable Declarations

3

Defining Types

4

Properties

5

Primary Constructor

6

Demo: CourseInfo & NoteInfo

7

Functions

8

Passing Parameters

9

Instance Initialization

10

Demo: DataManager Properties

11

Demo: DataManager Initialization

1

What Is an Activity?

2

Activity UI

3

ConstraintLayout Class

4

Demo: Working with ConstraintLayout – Parent Constraints

5

Demo: Working with ConstraintLayout – View Constraints

6

Activity Code/Layout Relationship

7

Demo: Activity Code/Layout Relationship

8

Populating a Spinner

9

Demo: Populating a Spinner

1

What’s Next for the App?

2

Activity Interaction

3

Demo: Adding the NoteList Activity

4

Demo: Starting an Activity with an Intent

5

Singletons and Data Classes

6

Demo: Populating the NoteList Activity

7

Demo: Using Data Classes

8

Describing Operations with Intents

9

Demo: Handling Note Selection and Sending the Intent

10

Demo: Retrieving Intent Info and Displaying a Note

1

Options Menus

2

Demo: Adding Options Menu Items

3

Demo: Handling Options Menu Item Selections

4

Menu Items as App Bar Actions

5

Demo: Menu Items as App Bar Actions

6

Demo: App Bar Actions with Text

7

Changing Menu Items at Runtime

8

Demo: Adding Support for Changing Menu Items

9

Null Safety

10

Null Safety Operatiors

11

Demo: Changing Menu Item Appearance and State

1

App User Experience and Activity Lifecycle

2

Activity Lifecycle Methods

3

Demo: Saving Persistent Data Items

4

Demo: Creating a New Perstent Data Item

5

Demo: Refreshing Displayed Content

6

App Activity Flow and Tasks

7

Activity Instance State

8

Demo: The Importance of Instance State

9

Demo: Saving/Restoring Instance State

10

Demo: Verifying Instance State Behavior