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PORuntime Exception in Android JUnit testing
 

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    <p>I have a simple HelloWorld Activity that I try to test with an Android JUnit test. The application itself runs like it should but the test fails with an </p> <p>"java.lang.RuntimeException: Unable to resolve activity for: Intent { action=android.intent.action.MAIN flags=0x10000000 comp={no.helloworld.HelloWorld/no.helloworld.HelloWorld} } at no.helloworld.test.HelloWorldTestcase.setUp(HelloWorldTestcase.java:21)"</p> <p>This is my activity class:</p> <blockquote> <p>package no.helloworld;</p> <p>import android.app.Activity; import</p> <p>android.os.Bundle;</p> <p>public class HelloWorld extends Activity {</p> <p>@Override</p> <pre><code>public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); } } </code></pre> </blockquote> <p>And the test:</p> <blockquote> <p>public class HelloWorldTestcase extends ActivityInstrumentationTestCase2 {</p> <pre><code>private HelloWorld myActivity; private TextView mView; private String resourceString; </code></pre> </blockquote> <pre><code>public HelloWorldTestcase() { super("no.helloworld.HelloWorld", HelloWorld.class); } @Override protected void setUp() throws Exception { super.setUp(); myActivity = this.getActivity(); mView = (TextView) myActivity.findViewById(no.helloworld.R.id.txt1); resourceString = myActivity .getString(no.helloworld.R.string.helloworld); } public void testPreconditions() { assertNotNull(mView); } public void testText() { assertEquals(resourceString, (String) mView.getText()); } protected void tearDown() throws Exception { super.tearDown(); } </code></pre> <p>Why does the test fail? The activity is (of course) defined in AndroidManifest.xml and the application runs as it should.</p>
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