7.3.5. activity_main.xml Layout for MainActivity
The activity_main.xml
layout for this app’s MainActivity
contains only the Doodle-Fragment
. To add this Fragment
to the layout:
1. Open activity_main.xml
in the Graphical Layout editor, editor, then follow the steps in Section 2.5.2 to switch from a FrameLayout to a RelativeLayout.
2. From the Palette’s Layouts section, drag a Fragment onto the design area or onto the RelativeLayout
node in the Outline window.
3. The preceding step displays the Choose Fragment Class dialog. Click Create New... to display the New Java Class dialog.
4. Enter DoodleFragment
in the dialog’s Name field, change the Superclass field’s value to android.app.Fragment
and click Finish to create the class. The IDE opens the ...
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