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Learning Mobile App Development: A Hands-on Guide to Building Apps with iOS and Android by Michael Eierman, Jakob Iversen

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Components of the IDE

Many of the items in the IDE will be explained as needed. For now you will examine just a few. The top center section is the Editor. Much of the development work is done here, including the UI design and writing code. It should currently be displaying the layout for the HelloWorldActivity in Graphical Layout mode. You can switch between graphical layout and the XML code that generates the layout with the tabs below the layout. One tab will always say Graphical Layout. The other will be the filename of the layout. In this case it is activity_helloworld.xml.

The left side of the IDE shows the Package Explorer. The Package Explorer displays the structure of the Android app and is used to move between different components of ...

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