Robolectric is a unit test framework that de-fangs the Android SDK jar so you can test-drive the development of your Android app. Tests run inside the JVM on your workstation in seconds. With Robolectric you can write tests like this:
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// Test class for MyActivity @RunWith(RobolectricTestRunner.class) publicclassMyActivityTest{ @TestpublicvoidclickingButton_shouldChangeResultsViewText() throws Exception { Activity activity = Robolectric.buildActivity(MyActivity.class).create().get(); Button pressMeButton = (Button) activity.findViewById(R.id.press_me_button); TextView results = (TextView) activity.findViewById(R.id.results_text_view);