Testing Alternative Resources
It is important to test your app on different device configurations to see how your layouts and other resources look on those configurations. You can test on both real and virtual devices. You can also use the graphical layout tool.
The graphical layout tool has many options for previewing how a layout will appear in different configurations. You can preview the layout on different screen sizes, device types, API levels, languages, and more.
To see these options, open res/layout/fragment_crime.xml in the graphical layout tool. Then try some of the settings in the toolbar shown in Figure 17.11.
Figure 17.11 Using the graphical layout tool to preview various device configurations
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