Google Associate-Android-Developer Exam Actual Questions

To handle an options menu item click in an activity, we usually should override method named:

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Working with Custom View. To define custom attributes, we can add resources to our project. It is customary to put these resources into a file:

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Working with Custom View. Once you define the custom attributes, you can use them in layout XML files just like built-in attributes. The only difference is that your custom attributes belong to a different namespace. Instead of belonging to the http://schemas.android.com/apk/res/android namespace, they belong to:

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We have a custom view that extends android.widget.ProgressBar. Our progress bar is not touchable, focusable, etc.: it just shows progress. Style for our custom progress bar extends

''Widget.AppCompat.ProgressBar.Horizontal''. An item, named ''progressDrawable'', in our style, is a xml file . What we usually can see as a main single element in this xml file:

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RecyclerView is a subclass of ViewGroup and is a more resource-efficient way to display scrollable lists. Instead of creating a View for each item that may or may not be visible on the screen, RecyclerView:

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