Android 101


Android Studio is the official Android development tool available here

Project Structure

Common components

Open a layout file such as the activity_main.xml. Hide the project view and select “Split” mode to show the design and code at the same time.

Palette – contains available controls/widgets that we can drag onto the “design editor”

Component Tree – The component tree provides a visual overview of the hierarchy of the user interface design. Selecting an element from the component tree will cause the corresponding view in the layout to be selected. Similarly, selecting a view from the device screen layout will select that view in the component tree hierarchy


TextView with language translations (no audio)

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