Android FragmentScenario - Unable to find package androidx.fragment.app.testing

Question

I'm getting this error while trying to use FragmentScenario in Android

error: package androidx.fragment.app.testing does not exist
import androidx.fragment.app.testing.FragmentScenario;
                                    ^

This is my simple Unit test example:

package com.example.myapplication;

import androidx.fragment.app.testing.FragmentScenario;
import android.os.Build;

import androidx.test.ext.junit.runners.AndroidJUnit4;

import org.junit.Ignore;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.robolectric.annotation.Config;

@RunWith(AndroidJUnit4.class)
@Config(manifest = Config.NONE, sdk = Build.VERSION_CODES.P)
public class MainActivityTest {
    @Test
    public void testFragmentScenario() {
        FragmentScenario<BlankFragment> scenario = FragmentScenario.launchInContainer(BlankFragment.class);
    }
}

build.gradle(app):

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])

    implementation 'androidx.appcompat:appcompat:1.1.0'
    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
    implementation 'androidx.legacy:legacy-support-v4:1.0.0'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'

    def test_version = '1.2.0'
    def fragment_version = '1.2.4'
    debugImplementation "androidx.fragment:fragment-testing:$fragment_version"
    testImplementation "androidx.test:core:$test_version"
    testImplementation 'androidx.test.ext:junit:1.1.1'
    testImplementation "androidx.test:runner:$test_version"
    testImplementation "androidx.test:rules:$test_version"
    testImplementation 'org.robolectric:robolectric:4.3'
}

What am I missing because a few months ago this piece of code works.

For what it's worth, my dependencies are near identical to yours and the androidx.fragment.app.testing.FragmentScenario import resolves for me. You might just need to resync your project with the Gradle files? — Adil Hussain
– Adil Hussain, Commented Aug 14, 2020 at 9:29
Hi @StealthRabbi sorry for the late reply. I haven't tried it since and moved on to other things. Let me try it soon and update here. — chrizonline
– chrizonline, Commented Aug 18, 2020 at 3:47

Nikolay · Accepted Answer · 2021-08-10 15:28:15Z

2

Check your build variants in Android Studio. It should be debug

answered Aug 10, 2021 at 15:28

Nikolay

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Comments

MLavoie · Accepted Answer · 2020-07-13 11:26:21Z

0

It looks that you use the wrong way, try to change debugImplementation to testImplementation in build.gradle. Hope it will helpful to you.

edited Jul 13, 2020 at 11:26

MLavoie

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answered Jul 13, 2020 at 8:48

小丶诸侯

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1 Comment

arango_86 Over a year ago

This is not possible. androidx.fragment:fragment-testing only allows debugImplementation

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