Titlebook: Beginning Android 4; Grant Allen Book 2011 Mark Murphy and Grant Allen 2011

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Book 2011le apps for the burgeoning Android Market, Amazon‘s Android Appstore, and more. Google’s Android operating-system has taken the industry by storm, going from its humble beginnings as a smartphone operating system to its current status as a platform for apps that run across a gamut of devices from ph

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ples that are ready to run with your copy of the Software De.Beginning Android 4. is an update to .Beginning Android 3., originally written by Mark Murphy. It is your first step on the path to creating marketable apps for the burgeoning Android Market, Amazon‘s Android Appstore, and more. Google’s A

Cabinet

Das flötzführende Steinkohlengebirgend flush to the right side of the screen, you need a container. Just from a pure XML perspective, if you have multiple widgets (beyond RadioButton widgets in a RadioGroup), you need a container just to have a root element in which to place the widgets.

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Using XML-Based Layoutscommon approach is to use an XML-based layout file. Dynamic instantiation of widgets is reserved for more complicated scenarios, where the widgets are not known at compile time (e.g., populating a column of radio buttons based on data retrieved from the Internet).

Arboreal

Working with Containersn the left and fields on the right, you need a container. If you want OK and Cancel buttons to be beneath the rest of the form, next to one another, and flush to the right side of the screen, you need a container. Just from a pure XML perspective, if you have multiple widgets (beyond RadioButton wid

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Still More Widgets and Containers a number of popular options, from date and time widgets to tabs. Subsequent chapters introduce new widgets occasionally, but in the context of some other topic, such as introducing the ProgressBar in Chapter 20 (covering threads).