Groups object factories that have a common theme.Ĭonstructs complex objects by separating construction and representation.Ĭreates objects without specifying the exact class to create.Ĭreates objects by cloning an existing object. Copy and paste the following code into the file just above the tag. Open the strings.xml file from the values directory. If there is a default Hello World TextView, delete the TextView and move to the next step. To change the layout open the activity_main.xml in the XML editor and replace the RelativeLayout by FrameLayout as shown here. Generally, FrameLayout should be used to hold a single child view, because it can be difficult to organize child views in a way that's scalable to different screen sizes without the children overlapping each other. FrameLayout is designed to block out an area on the screen to display a single item. Therefore, the parent layout is changed to the FrameLayout. Almost always ListView covers the entire screen of your application.
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