Enterprise Android

95Implementing the Content Provider 95Creating the Content Provider 96Return Types and the URI Matcher 97Writing the Database 98Database Queries 101Content Observers (Again) 105Permissions and Registration 106Content Providers and Files 109Summary 114CHAPTER 5: REST, CONTENT PROVIDERS, CONCURRENCY, NETWORKING, AND SYNC ADAPTERS 115Basic REST 116Why REST? 117REST over HTTP 118An Example REST API 120Contact Representation 120Contact Methods and URIs 122Contact Transactions 122Android Networking 125The Apache Libraries 125The java.net Libraries 126Permissions 128Considering Concurrency and Lifecycles 128The Android Concurrency Architecture 128A Naive Request 129An Architecture for Robust Networking 131Approach 1: Service-Centric 131Approach 2: ContentProvider-Centric 133Approach 3: SyncAdapter-Centric 135REST within Android 135The restfulCachingProviderContacts Project: An Example Client 136Adding a Contact 138Using Sync Adapters 143Android Account Management 144Creating a Sync Adapter 155Summary 165CHAPTER 6: SERVICE DEVELOPMENT 167A Choice for Service Development 168The Lifecycle of a Request 168Three-Tier Service Architecture 169Service Development Background 169Building a RESTful Service for Contacts 172A Conservative Software Stack 172Writing the Examples: Spring Contacts Serviceand Its Synchronization Variant 175Code Example: Spring Sync Contacts Service 195Summary 202CHAPTER 7: MOBILE AND THE CLOUD 205Cloud Performance and Scalability 206The Scale of Mobile 207Persistence in the Cloud: From SQL to NoSQL 208Database File Format 211NoSQL Persistence 213Design Considerations for Scalable Persistence 215To SQL or Not to SQL? 215Looking at Popular Cloud Providers 218Amazon AWS 218Google App Engine 219Joyent: Hosted MongoDB+node.js 219Red Hat OpenShift 220Exploring the Code Examples 220The Contacts DAO Interface (Again) 221Writing the Code: Amazon Contacts Service 221Writing the Code: Google App Engine Contacts 235Summary 243CHAPTER 8: COMPLEX DEVICE-BASED DATA: ANDROID CONTACTS 245PIM Databases: Fossils from Smartphone Pre-History 246Android's Contacts Provider 246The Contacts Contract API 246A Contacts Provider Explorer 247Code for Exploring a Database 249Source Code for a Contacts Provider Explorer 249Summary 262CHAPTER 9: GENERIC DATA SYNCHRONIZATION: PROJECT MIGRATE AND THE WEBDATA API 265Introducing WebData and Project Migrate 266How Project Migrate Works 266How Project Migrate Streamlines the Mobile Connection to the Enterprise 267The WebData API in Detail 268The WebData API RESTful Protocol 269Project Migrate in Detail 279The Migrate Project Android WebData Client 279Project Migrate Android Features 279The WebData Content Provider Android API 281Android Built-In Provider APIs 281The Migrate Provider API 281Summary 281Service-Side Advantages 282Client Advantages 282CHAPTER 10: WEBDATA APPLICATIONS 283The Migrate Client 284Creating a Migrate Project 285Step 1: Importing the Project 285Step 2: Enabling the Project as a Migrate Client 285Step 3: Defi ning the Information to Be Managed by Migrate 286Step 4: Generating the Contacts Contract 287Interfacing with the Migrate REST Proxy 291Step 5: Starting a Local Migrate Service 296Step 6: Publishing Your Application's Schema 296Setting Up a Device 298Step 1: Installing the Migrate Client 298Step 2: Adding a WebData Account 299Step 3: Turning on Synchronization 299Step 4: Running the Application 300Step 5: Confi guring an Account in Migrate Contacts (Optional) 300Future Directions: MigrateClinic 300Summary 303CHAPTER 11: BUILDING HUMAN INTERFACES FOR DATA 305Modularity and Flexibility Comparedwith a "Cookbook" Approach 306Overview of Modules 306Layout Changes 307Direct Manipulation 308The Tabbed Activity Class 308The Tabbed Paged Fragment Class 319Navigation 320Multitasking in a Small-Screen Environment 320The Android Task Model 320Tasks and the Conventional Process Model 321Modifying Task Behavior 321Navigation in Tablets 323Choosing to Use the Support Package 323Summary 324CHAPTER 12: SECURITY 325Platform Security 326Keeping Handsets Safe 327Avoiding Malicious Applications 327Understand Malware Mechanics: The Malware Genome 330Writing Secure Applications 331Hacking Targets 331Ingredients of a Secure Application 332Example Code: Protecting RESTful Invocations 353Preventing Piracy 365Summary 366INDEX 369