Chapter 2. Basic Widgets
In This Chapter
• The Role of Android Application Components
• The Utility of the Android API
• An Overview of Android Project Files
• An Introduction to Activities and the Android Activity Life Cycle
• The Role of Android Manifest Files
• How to Create the User Interface
• Commonly Used Layouts and Controls
• How to Create an Anonymous Inner Class
• The Activity Implementing the OnClickListener interface
• How to Display Messages Through Toast
• How to Declare the Event Handler in the XML Definition of the Control
• How to Create Your Own Layout File
• How to Create, Register, and Start a New Activity
• How to Use the EditText, Checkbox, and RadioButton Controls
Almost all popular applications ...
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