Correct way to take screenshot with Robotium and Cucumber

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Which is the best way to take a screenshot when one scenario fails using Robotium and Cucumber?

I have tried (without success, because it doesn’t execute runTest method) with this:

import cucumber.api.CucumberOptions;
import cucumber.api.java.After;
import cucumber.api.java.Before;
@CucumberOptions(features = "features", tags = {"~@ignore"})
public class CustomInstrumentationTestCase extends ActivityInstrumentationTestCase2<LaunchActivity> {
protected Solo solo;
public CustomInstrumentationTestCase() {
super(LaunchActivity.class);
}
@Before
public void before() throws Exception {
//...
}
@After
public void after() throws Exception {
//...
}
@Override
protected void runTest() throws Throwable {
try {
super.runTest();
} catch (Throwable t) {
final String testCaseName = String.format("%s.%s", getClass().getName(), getName());
solo
.takeScreenshot(testCaseName);
Log.w("Boom! Screenshot!", String.format("Captured screenshot for failed test: %s", testCaseName));
throw t;
}
}
}

And I have set the permissions in the manifest:

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
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Your testclass seems fine. The runTest() methode is used to catch errors and failures and as a result make a screenshot.

To your class simply add a test like this:

public void testFailsForScreenShot(){
fail
();
}

Than run the test and you will find a screenshot.

Greetings

EDIT: Test for Screenshot:

import android.util.Log;
import com.robotium.solo.Solo;
public class TestScreenshot extends ActivityInstrumentationTestCase2<LauncherActivity> {
private Solo solo;
public TestScreenshot(){
super(LauncherActivity.class);
}
@Override
protected void setUp() throws Exception {
super.setUp();
solo
= new Solo(getInstrumentation(), getActivity());
}
//Test if "Test" fails and takes Screenshot
public void testFailForScreenshot(){
fail
();
}
@Override
public void runTest() throws Throwable {
try {
super.runTest();
} catch (Throwable t) {
String testCaseName = String.format("%s.%s", getClass().getName(), getName());
solo
.takeScreenshot(testCaseName);
Log.w("Screenshot taken.", String.format("Captured screenshot for failed test: %s", testCaseName));
throw t;
}
}
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