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Editorial Team
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Asked: 2026-05-22T16:51:23+00:00

I am testing my Android application using ActivityInstrumentationTestCase2, and I need to test that

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I am testing my Android application using ActivityInstrumentationTestCase2, and I need to test that the screen orientation change works correctly. However, I cannot find any way to cause an orientation to occur. What am I missing?

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  1. Editorial Team

    Check this example where I tried extending Android ActivityInstrumentationTestsCase2 to use different screen orientations: iliasbartolini / AgileDayConferenceApp

    Basically you need to change the Resources configuration. I found this example here: Tip for unit-testing: loading Resources for a specific screen orientation/

    Resources res = getInstrumentation().getTargetContext().getResources();
Configuration oldResourcesConfiguration = res.getConfiguration();
Configuration newConfiguration = new Configuration(oldResourcesConfiguration);
newConfiguration.orientation = configurationOrientation;
res.updateConfiguration(newConfiguration, res.getDisplayMetrics());

    Here is a dummy Landscape test example on how to use it.

    It actually only checks that the Landscape layout and resources loaded by the activity are not broken: don’t know if there are better ways to do it.

    And here the Portrait test

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