no one know it?
On Aug 24, 11:01 am, "[email protected]"
<[email protected]> wrote:
> I am using ActivityInstrumentationTestCase2 to do some test for an
> activity.
> I get a button in the setUp() method like this:
> protected void setUp() throws Exception {
> super.setUp();
> act = getActivity();
> ........
> btn = (Button)act.findViewById( R.id.bike_button ); // this
> button has been defined in layout
> }
> Then I use this button to perform a click in a test method like this:
> public void testBikeButton(){
> //click the bike button
> btn.performClick();
> ......}
>
> When run it as android junit, there will be an error like this:
> "android.view.ViewRoot$CalledFromWrongThreadException: Only the
> original thread that created a view hierarchy can touch its views.
> at android.view.ViewRoot.checkThread(ViewRoot.java:2440)
> at android.view.ViewRoot.playSoundEffect(ViewRoot.java:2261)
> at android.view.View.playSoundEffect(View.java:7457)
> at android.view.View.performClick(View.java:2178)
> at com.liufeng.vehicle.test.BikeTests.testBikeButton(BikeTests.java:
> 40)
> at java.lang.reflect.Method.invokeNative(Native Method)
> at android.test.InstrumentationTestCase.runMethod
> (InstrumentationTestCase.java:191)
> at android.test.InstrumentationTestCase.runTest
> (InstrumentationTestCase.java:181)
> at android.test.ActivityInstrumentationTestCase2.runTest
> (ActivityInstrumentationTestCase2.java:175)
> at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:164)
> at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:151)
> at android.test.InstrumentationTestRunner.onStart
> (InstrumentationTestRunner.java:418)
> at android.app.Instrumentation$InstrumentationThread.run
> (Instrumentation.java:1520)"
>
> How do I fix it?
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