A (175)

Contents xvii

■ Chapter 13: Android Service Class and Threads: Background Processing ������������������� 475

Android Service Classes: Characteristics  476

Controlling Your Service: Privacy and Priority  477

Processes and Thread: Foundational Information  478

Spawning a Process: The android:process XML Parameter  479

The Process Lifecycle: Keeping a Process Alive  480

Thread Caveats: Don’t Interfere with UI Thread  483

Should Your Android App Use Services or Threads?  484

Creating a Service Subclass: AmbientService  485

Using a Service to Carry Out a Task  487

Configuring AndroidManifest to Add a <service>  490

Starting a Service: Using startService( )  491

Setting Up Your UI Design Using XML and Java  492

Testing the PlayVideo Class with the Nexus One  500

Summary  503

■ Chapter 14: Android Content Providers: Providing Data to Applications ��������������������� 505

An Overview of Android Content Providers 506

Database Fundamentals: Concepts and Terms  507

SQLite: The Open Source Database Engine  508

Android Built-in Content Providers  510

Android 15 Contacts Database Contact Provider  510

Deprecated Database Structures: Software Upgrades  511

The Android MediaStore Content Providers  514

The Android CalendarContract Content Providers  514

Referencing a Content Provider: Content URI  515

Creating the Activity: ContactGalaxyjava  517

Adding the ContactGalaxy Class to the Manifest  519

Adding a Contact Galaxy Ruler Item to the Menu  520

Adding a Menu Intent in the MainActivity Class  521

Creating Your Galaxy Emperor Contact Database  523