android - Espresso - Click by text in List view -


i trying click on text in list view using espresso. know have this guide, can't see how make work looking text. have tried

espresso.ondata(matchers.allof(matchers.is(matchers.instanceof(listview.class)), matchers.hastostring(matchers.startswith("asdf")))).perform(viewactions.click());

as expected, didn't work. error said no view in hierarchy. know how select string? ("asdf" in case) in advance.

update due @haffax

i received error:

com.google.android.apps.common.testing.ui.espresso.ambiguousviewmatcherexception: 'is assignable class: class android.widget.adapterview' matches multiple views in hierarchy.

second error

with code

ondata(hastostring(startswith("asdf"))).inadapterview(withcontentdescription("maplist")).perform(click());

i error

com.google.android.apps.common.testing.ui.espresso.performexception: error performing 'load adapter data' on view 'with content description: "maplist"'.

caused by: java.lang.runtimeexception: no data found matching: asstring(a string starting "asdf")

solution

ondata(anything()).inadapterview(withcontentdescription("desc")).atposition(x).perform(click())

the problem is, try match list view instanceof(listview.class) argument ondata(). ondata() requires data matcher matches adapted data of listview, not listview itself, , not view adapter.getview() returns, actual data.

if have in production code:

listview listview = (listview)findviewbyid(r.id.mylistview); arrayadapter<mydataclass> adapter = getadapterfromsomewhere(); listview.setadapter(adapter);

then matcher argument of espresso.ondata() should match desired instance of mydataclass. so, should work:

ondata(hastostring(startswith("asdf"))).perform(click());

(you can use matcher using method of org.hamcrest.matchers)

in case have multiple adapter views in activity, can call viewmatchers.inadapterview() view matcher specifies adapterview this:

ondata(hastostring(startswith("asdf")))     .inadapterview(withid(r.id.mylistview))     .perform(click());

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