Fix #2822 : Add label AppVersionActivity

app/src/main/AndroidManifest.xml

@@ -22,6 +22,7 @@
       android:theme="@style/OppiaThemeWithoutActionBar" />
     <activity
       android:name=".app.administratorcontrols.appversion.AppVersionActivity"
+      android:label="@string/app_version_activity_title"
       android:theme="@style/OppiaThemeWithoutActionBar" />
     <activity
       android:name=".app.completedstorylist.CompletedStoryListActivity"

app/src/main/res/values/strings.xml

@@ -332,6 +332,7 @@
   <!-- AppVersionFragment -->
   <string name="app_version_name">App Version %s</string>
   <string name="app_last_update_date">The last update was installed on %s. Use the above version number to send feedback about bugs.</string>
+  <string name="app_version_activity_title">App Version</string>
   <!-- OptionsActivity -->
   <string name="title_reading_text_size">Reading Text Size</string>
   <string name="title_app_language">App Language</string>

app/src/sharedTest/java/org/oppia/android/app/administratorcontrols/AppVersionActivityTest.kt

@@ -20,9 +20,11 @@ import androidx.test.espresso.matcher.ViewMatchers.isRoot
 import androidx.test.espresso.matcher.ViewMatchers.withId
 import androidx.test.espresso.matcher.ViewMatchers.withText
 import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.rule.ActivityTestRule
 import dagger.Component
 import org.junit.After
 import org.junit.Before
+import org.junit.Rule
 import org.junit.Test
 import org.junit.runner.RunWith
 import org.oppia.android.R
@@ -75,6 +77,8 @@ import org.robolectric.annotation.LooperMode
 import java.util.Locale
 import javax.inject.Inject
 import javax.inject.Singleton
+import com.google.common.truth.Truth.assertThat
+import org.oppia.android.app.administratorcontrols.appversion.AppVersionActivity.Companion.createAppVersionActivityIntent
 
 /** Tests for [AppVersionActivity]. */
 @RunWith(AndroidJUnit4::class)
@@ -84,6 +88,10 @@ import javax.inject.Singleton
   qualifiers = "port-xxhdpi"
 )
 class AppVersionActivityTest {
+  @get:Rule
+  val activityTestRule: ActivityTestRule<AppVersionActivity> = ActivityTestRule(
+    AppVersionActivity::class.java, /* initialTouchMode= */ true, /* launchActivity= */ false
+  )
 
   @Inject
   lateinit var context: Context
@@ -103,6 +111,20 @@ class AppVersionActivityTest {
     val lastUpdateDateTime = context.getLastUpdateTime()
     lastUpdateDate = getDateTime(lastUpdateDateTime)!!
   }
+  @Test
+  fun testAppVersionActivity_hasCorrectActivityLabel() {
+    activityTestRule.launchActivity(createAppVersionActivityIntent())
+    val title = activityTestRule.activity.title
+
+    // Verify that the activity label is correct as a proxy to verify TalkBack will announce the
+    // correct string when it's read out.
+    assertThat(title).isEqualTo(context.getString(R.string.app_version_activity_title))
+  }
+
+  private fun createAppVersionActivityIntent(): Intent {
+        return AppVersionActivity.createAppVersionActivityIntent(
+          ApplicationProvider.getApplicationContext())
+  }
 
   @After
   fun tearDown() {