دانلود کتاب Flutter and Dart Cookbook

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Flutter and Dart Cookbook Copyright Revision History for the Early Release Chapter 1. Starting with Dart A Note for Early Release Readers 1.1 Determining which Dart installation to use Problem Solution Discussion 1.2 Running Dart in DartPad Problem Solution Discussion Figure 1-1. The DartPad interface 1.3 Extending Android Studio to support Dart Problem Solution Discussion 1.4 Developing with VS Code Problem Solution Discussion 1.5 Installing the Dart SDK Problem Solution Discussion 1.6 Running a Dart application Problem Solution Discussion 1.7 Selecting a release channel Problem Solution Discussion Chapter 2. Learning Dart Variables A Note for Early Release Readers 2.1 Declaring an Integer variable Problem Solution Discussion 2.2 Declaring a Double variable Problem Solution Discussion 2.3 Declaring a Bool variable Problem Solution Discussion 2.4 Declaring a String variable Problem Solution Discussion 2.5 Using a Print statement Problem Solution Example 2-5. Example 1: Here’s an example of a how to print static content: Example 2-6. Example 2: Here’s an example of a how print the content of a variable: Example 2-7. Example 3: Here’s an example of a how print the complex data type: Discussion 2.6 Using a Const Problem Solution Discussion 2.7 Using Final Problem Solution Discussion 2.8 Working with Null Problem Solution Discussion Chapter 3. Exploring Control Flow A Note for Early Release Readers 3.1 Using an If statement Problem Solution Discussion 3.2 Using While/Do While Problem Solution Discussion 3.3 Using a For statement Problem Solution Discussion 3.4 Using a Switch statement Problem Solution Discussion 3.5 Using an Enum Problem Solution Discussion 3.6 Handling Exceptions Problem Solution Discussion Chapter 4. Implementing Functions A Note for Early Release Readers 4.1 Declaring Functions Problem Solution Discussion 4.2 Adding parameters to Functions Problem Solution Discussion 4.3 Returning values from Functions Problem Solution Discussion 4.4 Declaring Anonymous functions Problem Solution Discussion 4.5 Using optional parameters Problem Solution Discussion Chapter 5. Handling Maps and Lists A Note for Early Release Readers 5.1 Using a Map to handle objects Problem Solution Discussion 5.2 Retrieving Map content Problem Solution Discussion 5.3 Validating key existence within a Map Problem Solution Discussion 5.4 Working with Lists Problem Solution Discussion 5.5 Adding List content Problem Solution Discussion 5.6 Using Lists with complex types Problem Solution Discussion Chapter 6. Leveraging Classes A Note for Early Release Readers 6.1 Defining Classes Problem Solution Discussion 6.2 Using Class Constructors Problem Solution Discussion 6.3 Extending Classes Problem Solution Discussion 6.4 Extending Classes with Mixins Problem Solution Discussion 6.5 Importing a package Problem Solution Discussion Chapter 7. Introducing the Flutter Framework A Note for Early Release Readers 7.1 Mocking an interface Problem Solution Discussion Figure 7-1. Example Excalidraw drawing 7.2 Creating a Flutter project Problem Solution Note Discussion 7.3 Working with a Stateful Widget Problem Solution Discussion Figure 7-2. Example stateful widget interaction 7.4 Working with a Stateless Widget Problem Solution Discussion 7.5 Refactoring Widgets Problem Solution Discussion 7.6 Removing the Flutter Debug banner Problem Solution Discussion Chapter 8. Working with Widgets A Note for Early Release Readers 8.1 Using the Scaffold class Problem Solution Discussion 8.2 Using an AppBar Problem Solution Discussion 8.3 Using an Expanded widget Problem Solution Discussion Figure 8-1. A ListView widget Figure 8-2. A ListView widget enclosed within an Expanded widget 8.4 Building with a Container Problem Solution Discussion 8.5 Using a Center widget Problem Solution Discussion 8.6 Using a SizedBox Problem Solution Discussion 8.7 Using a Column Problem Solution Discussion 8.8 Using a Row Problem Solution Discussion Chapter 9. Developing User Interfaces A Note for Early Release Readers 9.1 Incorporating Rich Text Problem Solution Discussion 9.2 Incorporating the Google fonts package Problem Solution Discussion 9.3 Identifying the host platform Problem Solution Discussion 9.4 Using a Placeholder widget Problem Solution Discussion 9.5 Using a Layout Builder Problem Solution Discussion 9.6 Getting screen dimensions with Media Query Problem Solution Discussion Chapter 10. Organizing onscreen data A Note for Early Release Readers 10.1 Implementing a vertical list Problem Solution Discussion 10.2 Implementing a horizontal list Problem Solution Discussion 10.3 Adding a SliverAppBar Problem Solution Discussion 10.4 Adding a grid of items Problem Solution Discussion 10.5 Adding a Snackbar (Popup notification) Problem Solution Discussion About the Author