Android Development Essential Training: The User Interface with Kotlin

Introduction

• Elements of an Android user interface
• What you should know
• Configure Android Studio for this course

1. Define Screens with Layout Files

• Load an XML layout file at runtime
• View and ViewGroup components
• Display View components in a ViewGroup
• Convert a project to AndroidX packages
• Units of measurement in Android

2. Using ViewGroup Components

• Position views with LinearLayout
• Manage view positions with constraints
• Distribute views with constraint chains
• Display views programmatically
• Get view references with findViewById()

3. Display and Collect Text

• Manage string values as resources
• Manage data entry with EditText
• Manage data entry with TextInputLayout
• Use string resources with placeholders
• Display Snackbar messages

4. Display Images

• Display image resources
• Load image resources at runtime
• Reduce file size with WebP images
• Display images from the assets directory
• Use XML-based VectorDrawable images
• Create icons in Android Studio

5. Create Themes and Styles

• Define visual styles and themes
• Support styles on older devices
• Configure Material Design theme colors

6. Support Multiple Devices and Screens

• Create alternative resource directories
• Create alternative bitmap resources

Conclusion

• Next steps