JETPACK COMPOSE - Quick Start
JETPACK COMPOSE - Quick Start
Version: 2.0 - Date: 04.2021
About the Book
Content
Intention of this Book is to get you quickly started with Jetpack Compose. Jetpack Compose is declarative programming language for building user interface for Android Applications. It is based on Kotlin programming language and it is supported by Android Studio Integrated Development Environment (IDE) .
Standalone Tutorials
The core of this Book are standalone tutorials that explain different functionalities of KOTLIN Programming Language. Each tutorial contains minimum amount of code and text needed to explain specific functionality. Such simple examples allow full understanding of the functionality without any unnecessary distractions. This approach allows students to grasp presented concepts in a fast and efficient manner.
Theoretical Background
Where needed tutorials are preceded by chapters focusing on theoretical background. This way reader can fully understand functionalities explained in the subsequent chapters. But such chapters are in minority and of secondary importance because the main focus is on code examples.
About the Author
Table of Contents
- 1. Quick Start
- 1.1 Android Studio
- 1.1.1 Install
- 1.1.2 Start
- 1.2 Create Application
- 1.2.1 Create Project
- 1.2.2 Create Android Virtual Device (AVD)
- 1.2.3 Setup Physical Device
- 1.2.4 Select Device
- 1.2.5 Run Application
- 2. Android Studio
- 2.1 Settings
- 2.1.1 Emulator: Enable Auto Rotate
- 2.1.2 Auto Import
- 2.1.3 Kotlin
- 2.1.4 XML
- 2.2 Commands
- 2.2.1 Emulator: Take Screenshot
- 2.2.2 Optimize Imports
- 3. View Operations
- 3.1 Basic Operations
- 3.1.1 Create Custom View
- 3.1.2 Create Custom View - In a separate File
- 3.1.3 Create Custom Container
- 3.1.4 Create Views using For Loop
- 3.1.5 Conditional View
- 3.1.6 Conditional View's Parameter
- 3.1.7 Conditional View's Modifier
- 3.1.8 State Variable
- 3.2 Advanced Operations
- 3.2.1 Custom .layout
- 3.2.2 Custom Layout
- 3.2.3 Custom Navigation - Basic
- 3.2.4 Custom Navigation - Stack
- 3.2.5 Composable as Function Parameter
- 4. View Types
- 4.1 Visible Views
- 4.1.1 Button
- 4.1.2 Image
- 4.1.3 Text
- 4.2 Container Views
- 4.2.1 Column
- 4.2.2 LazyColumnFor
- 4.2.3 LazyRowFor
- 4.2.4 MaterialTheme
- 4.2.5 Row
- 4.2.6 Box
- 4.2.7 ScrollableColumn
- 4.2.8 ScrollableRow
- 4.2.9 Surface
- 4.3 Helper Views
- 4.3.1 Divider
- 4.3.2 Spacer
- 4.4 Navigation Views
- 4.4.1 BottomDrawerLayout
- 4.4.2 ModalDrawerLayout
- 4.4.3 TabRow
- 4.5 Geometrical Shapes (Canvas)
- 4.5.1 drawArc
- 4.5.2 drawCircle
- 4.5.3 drawLine
- 4.5.4 drawOval
- 4.5.5 drawRect
- 4.5.6 drawRoundRect
- 4.5.7 drawPoints - Lines
- 4.5.8 drawPoints - Points
- 4.5.9 drawPoints - Polygon
- 4.5.10 drawPath
- 5. View Modifiers
- 5.1 Common
- 5.1.1 .background
- 5.1.2 .border
- 5.1.3 .clip
- 5.1.4 .clickable
- 5.1.5 .offset
- 5.1.6 .padding
- 5.2 Dimensions
- 5.2.1 .size
- 5.2.2 .width
- 5.2.3 .height
- 5.2.4 .fillMaxSize
- 5.2.5 .fillMaxWidth
- 5.2.6 .fillMaxHeight
- 5.2.7 .weight
- 6. Errors
- 6.1 Run: INSTALL_FAILED_OLDER_SDK
- 6.2 Run: Expected minSdkVersion >= 21 but found 1
- 6.3 Emulator: Content doesn't rotate with Emulator
- 6.4 Type mismatch: Required () → Unit
- 7. Appendix
- 7.1 Declarative vs Imperative Language
- 7.2 Compose vs SwiftUI
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