Android™ Application Development - Bahar Ali Khan

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Chapter 1: Hello, Android An Open Platform for Mobile <strong>Development</strong> 4 Google describes Android as: The fi rst truly open and comprehensive platform for mobile devices, all of the software to run a mobile phone but without the proprietary obstacles that have hindered mobile innovation. http://googleblog.blogspot.com/2007/11/wheres-my-gphone.html Android is made up of several necessary and dependent parts including the following: ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ A hardware reference design that describes the capabilities required of a mobile device in order to support the software stack A Linux operating system kernel that provides the low-level interface with the hardware, memory management, and process control, all optimized for mobile devices Open source libraries for application development including SQLite, WebKit, OpenGL, and a media manager A run time used to execute and host Android applications, including the Dalvik virtual machine and the core libraries that provide Android specifi c functionality. The run time is designed to be small and effi cient for use on mobile devices. An application framework that agnostically exposes system services to the application layer, including the window manager, content providers, location manager, telephony, and peer-to-peer services A user interface framework used to host and launch applications Preinstalled applications shipped as part of the stack A software development kit used to create applications, including the tools, plug-ins, and documentation At this stage, not all of the Android stack has been released as open source, although this is expected to happen by the time phones are released to market. It’s also worth noting that the applications you develop for Android do not have to be open source. What really makes Android compelling is its open philosophy, which ensures that any defi ciencies in user interface or native application design can be fi xed by writing an extension or replacement. Android provides you, as a developer, the opportunity to create mobile phone interfaces and applications designed to look, feel, and function exactly as you image them. Native Android <strong>Application</strong>s Android phones will normally come with a suite of preinstalled applications including, but not limited to: ❑ ❑ ❑ An e-mail client compatible with Gmail but not limited to it An SMS management application A full PIM (personal information management) suite including a calendar and contacts list, both tightly integrated with Google’s online services
❑ ❑ ❑ ❑ ❑ ❑ Chapter 1: Hello, Android A fully featured mobile Google Maps application including StreetView, business fi nder, driving directions, satellite view, and traffi c conditions A WebKit-based web browser An Instant Messaging Client A music player and picture viewer The Android Marketplace client for downloading thied-party Android applications. The Amazon MP3 store client for purchasing DRM free music. All the native applications are written in Java using the Android SDK and are run on Dalvik. The data stored and used by the native applications — like contact details — are also available to thirdparty applications. Similarly, your applications can handle events such as an incoming call or a new SMS message. The exact makeup of the applications available on new Android phones is likely to vary based on the hardware manufacturer and/or the phone carrier or distributor. This is especially true in the United States, where carriers have signifi cant infl uence on the software included on shipped devices. Android SDK Features The true appeal of Android as a development environment lies in the APIs it provides. As an application-neutral platform, Android gives you the opportunity to create applications that are as much a part of the phone as anything provided out of the box. The following list highlights some of the most noteworthy Android features: ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ No licensing, distribution, or development fees Wi-Fi hardware access GSM, EDGE, and 3G networks for telephony or data transfer, allowing you to make or receive calls or SMS messages, or to send and retrieve data across mobile networks Comprehensive APIs for location-based services such as GPS Full multimedia hardware control including playback and recording using the camera and microphone APIs for accelerometer and compass hardware IPC message passing Shared data stores An integrated open source WebKit-based browser Full support for applications that integrate Map controls as part of their user interface Peer-to-peer (P2P) support using Google Talk Mobile-optimized hardware-accelerated graphics including a path-based 2D graphics library and support for 3D graphics using OpenGL ES 5
Page 1 and 2: Professional Android Application su
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Page 8 and 9: About the Author Originally from Pe
Page 10 and 11: Acknowledgments A big thank you goe
Page 12 and 13: Contents Chapter 2: Getting Started
Page 14 and 15: Contents xii Saving and Loading Fil
Page 16 and 17: Contents Chapter 10: Accessing Andr
Page 19 and 20: Introduction Now is an exciting tim
Page 21 and 22: Introduction covered, you can move
Page 23: Introduction At http://p2p.wrox.com
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Page 43 and 44: Getting Started All you need to sta
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Page 47 and 48: Installing the ADT Plug-in Install
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Page 55 and 56: ❑ ❑ ❑ ❑ ❑ Small screens w
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Page 59 and 60: Chapter 2: Getting Started To start
Page 61 and 62: Ensuring a Seamless User Experience
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Page 69 and 70: Creating Applications and Activitie
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❑ ❑ #ARGB #ARRGGBB Chapter 3: C
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Chapter 3: Creating Applications an
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android:startOffset=”500” andro
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Referencing Resources in Resources
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} } Chapter 3: Creating Application
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Chapter 4: Creating User Interfaces
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Chapter 5: Intents, Broadcast Recei
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Data Storage, Retrieval, and Sharin
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Chapter 6: Data Storage, Retrieval,
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} } } Chapter 6: Data Storage, Retr
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Querying Your Database Chapter 6: D
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} // Open or create the database to
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Adding, Updating, and Deleting Cont
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} } Chapter 6: Data Storage, Retrie
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} } break; Chapter 6: Data Storage,
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Maps, Geocoding, and Location-Based
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Chapter 7: Maps, Geocoding, and Loc
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} Chapter 7: Maps, Geocoding, and L
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Summary Chapter 7: Maps, Geocoding,
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Chapter 8: Working in the Backgroun
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Peer-to-Peer Communication In this
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Chapter 9: Peer-to-Peer Communicati
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Handling Subscription Requests Chap
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Figure 9-4 Chapter 9: Peer-to-Peer
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Accessing Android Hardware Android
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Chapter 10: Accessing Android Hardw
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Chapter 11: Advanced Android Develo
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400 Android, getting started Androi
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Android™ Application Development - Bahar Ali Khan

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