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#dagger
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# dagger
j

Joan Colmenero

04/30/2020, 11:12 AM
Hello! I'm facing this error whenever I want to create UI tests with Espresso using Dagger
java.lang.RuntimeException: android.app.Application does not implement dagger.android.HasAndroidInjector
Any idea, why? It only happens with UI tests, the app runs and everything is injected correctly.
j

Jovan

04/30/2020, 11:15 AM
Do you use some kind of Test Application class?
w

wasyl

04/30/2020, 11:19 AM
You probably need to create custom test runner (
AndroidJUnitRunner
) and override 
fun newApplication
method to call something like 
super.newApplication(cl, TestApplication::class.java.name, context)
And set 
android.defaultConfig.testInstrumentationRunner = <your custom runner>
That’s just a quick fyi that it’s usually done, I don’t know if instrumentation tests should use your default class from manifest by default or not
j

Joan Colmenero

04/30/2020, 11:23 AM
@Jovan No I do not, shall I?
@wasyl Do you have a sample where I can guide to do it? I get you but not 100%
f

fatih

05/15/2020, 7:02 PM
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