2.9. Wrap-Up

In this chapter, you used the Android Developer Tools IDE to build the Welcome app that displayed a welcome message and two images without writing any code. You created a simple GUI using the IDE’s Graphical Layout editor and configured properties of GUI components using the Properties window.

The app displayed text in a TextView and pictures in ImageViews. You modified the TextView from the default GUI to display the app’s text centered in the GUI, with a larger font size and in one of the standard theme colors. You also used the Graphical Layout editor’s Palette of GUI controls to drag and drop ImageViews onto the GUI. Following best practices, you defined all strings and numeric values in resource files in the project’s res

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