By Frank Ableson, Charlie Collins, Robi Sen

Android is a loose, open resource, Java-based cellular platform constructed via Google. Unlocking Android prepares the reader to embody the Android cellular platform in easy-to-understand language and builds in this beginning with reusable Java code examples. it truly is excellent for company builders and hobbyists who've an curiosity, or a mandate, to convey cellular software program. The publication first covers the massive photo so the reader can get ok with the Android method of the cellular functions. Then the reader learns to use Android by means of following the various functional examples. The booklet concludes with deep and hands-on examples. Unlocking Android addresses the Android software framework, its graphical features and media help, info garage, communications features, mobile interactions, and notifications. Unlocking Android covers Android SDK 1.x

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This is accomplished by creating an Intent with the action set to ACTION_VIEW and a URI that represents the specific person of interest. Intent. parse("content://contacts/ people")); startActivity(myIntent); This Intent is evaluated and passed to the most appropriate handler. phone. Dialer. However, the best recipient of this Intent may be an Activity contained in the same custom Android application (the one you build), a built-in application as in this case, or a third-party application on the device.

Android is not strictly a J2ME-compatible platform; however, the Java programming environment found in Android is a plus for J2ME developers. Also, as Android matures, it is very likely that J2ME support will be added in some fashion. Gaming, a better browser, and anything to do with texting or social applications present fertile territory for Android at this end of the market. While the masses carry the feature phones described in this section, Android’s capabilities will put Android-capable devices into the next market segment with the higher-end devices, as discussed next.

Xml, we see that the manifest element contains the obligatory namespace as well as the Java package name B containing this application. This application contains a single Activity, with a class name of chapter1 C. Note also the @string syntax. xml file, it is referencing information stored in one of the resource files. In this case, the label attribute is obtained from the app_name string resource defined elsewhere in the application. Resources are discussed in further detail later in chapter 3.

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