Fixes #4294 : Added Success Dialog for Profile Deletion with Updated Flow and Tests.

app/src/main/java/org/oppia/android/app/fragment/FragmentComponentImpl.kt

@@ -63,6 +63,7 @@ import org.oppia.android.app.profile.ResetPinDialogFragment
 import org.oppia.android.app.profileprogress.ProfilePictureEditDialogFragment
 import org.oppia.android.app.profileprogress.ProfileProgressFragment
 import org.oppia.android.app.resumelesson.ResumeLessonFragment
+import org.oppia.android.app.settings.profile.DeleteProfileSuccessDialogFragment
 import org.oppia.android.app.settings.profile.ProfileEditDeletionDialogFragment
 import org.oppia.android.app.settings.profile.ProfileEditFragment
 import org.oppia.android.app.settings.profile.ProfileListFragment
@@ -128,6 +129,7 @@ interface FragmentComponentImpl : FragmentComponent, ViewComponentBuilderInjecto
   fun inject(cellularAudioDialogFragment: CellularAudioDialogFragment)
   fun inject(completedStoryListFragment: CompletedStoryListFragment)
   fun inject(conceptCardFragment: ConceptCardFragment)
+  fun inject(deleteProfileSuccessDialogFragment: DeleteProfileSuccessDialogFragment)
   fun inject(developerOptionsFragment: DeveloperOptionsFragment)
   fun inject(downloadsTabFragment: DownloadsTabFragment)
   fun inject(dragDropTestFragment: DragDropTestFragment)

app/src/main/java/org/oppia/android/app/settings/profile/DeleteProfileSuccessDialogFragmment.kt

@@ -0,0 +1,61 @@
+package org.oppia.android.app.settings.profile
+
+import android.app.Dialog
+import android.content.Context
+import android.content.Intent
+import android.os.Bundle
+import androidx.appcompat.app.AlertDialog
+import androidx.fragment.app.DialogFragment
+import org.oppia.android.R
+import org.oppia.android.app.administratorcontrols.AdministratorControlsActivity
+import org.oppia.android.app.fragment.FragmentComponentImpl
+import org.oppia.android.app.fragment.InjectableDialogFragment
+import org.oppia.android.app.translation.AppLanguageResourceHandler
+import javax.inject.Inject
+
+/** [DialogFragment] that notifies the user after a profile is successfully deleted. */
+class DeleteProfileSuccessDialogFragment : InjectableDialogFragment() {
+
+  companion object {
+    /** Argument key for Profile Deletion Success Dialog in [ProfileEditFragmentPresenter]. */
+    const val DELETE_PROFILE_SUCCESS_DIALOG_FRAGMENT_TAG = "DELETE_PROFILE_SUCCESS_DIALOG_FRAGMENT"
+
+    /** This function returns a new instance of [DeleteProfileSuccessDialogFragment]. */
+    fun createNewInstance(): DeleteProfileSuccessDialogFragment {
+      return DeleteProfileSuccessDialogFragment()
+    }
+  }
+
+  @Inject
+  lateinit var resourceHandler: AppLanguageResourceHandler
+
+  override fun onAttach(context: Context) {
+    super.onAttach(context)
+    (fragmentComponent as FragmentComponentImpl).inject(this)
+  }
+
+  override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
+    val alertDialog = AlertDialog
+      .Builder(requireContext(), R.style.OppiaAlertDialogTheme).apply {
+        setMessage(
+          resourceHandler.getStringInLocale(R.string.profile_edit_delete_successful_message)
+        )
+        setPositiveButton(
+          resourceHandler.getStringInLocale(R.string.log_out_dialog_okay_button)
+        ) { _, _ ->
+          if (requireContext().resources.getBoolean(R.bool.isTablet)) {
+            val intent =
+              Intent(requireContext(), AdministratorControlsActivity::class.java)
+            intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
+            startActivity(intent)
+          } else {
+            val intent = Intent(requireContext(), ProfileListActivity::class.java)
+            intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
+            startActivity(intent)
+          }
+        }
+      }.create()
+    alertDialog.setCanceledOnTouchOutside(true)
+    return alertDialog
+  }
+}

app/src/main/java/org/oppia/android/app/settings/profile/ProfileEditFragmentPresenter.kt

@@ -151,16 +151,11 @@ class ProfileEditFragmentPresenter @Inject constructor(
         fragment,
         Observer {
           if (it is AsyncResult.Success) {
-            if (fragment.requireContext().resources.getBoolean(R.bool.isTablet)) {
-              val intent =
-                Intent(fragment.requireContext(), AdministratorControlsActivity::class.java)
-              intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
-              fragment.startActivity(intent)
-            } else {
-              val intent = Intent(fragment.requireContext(), ProfileListActivity::class.java)
-              intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
-              fragment.startActivity(intent)
-            }
+            DeleteProfileSuccessDialogFragment.createNewInstance()
+              .showNow(
+                fragment.childFragmentManager,
+                DeleteProfileSuccessDialogFragment.DELETE_PROFILE_SUCCESS_DIALOG_FRAGMENT_TAG
+              )
           }
         }
       )

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

@@ -347,6 +347,7 @@
   <string name="profile_edit_delete_dialog_message">All progress will be deleted and cannot be recovered.</string>
   <string name="profile_edit_delete_dialog_positive">Delete</string>
   <string name="profile_edit_delete_dialog_negative">Cancel</string>
+  <string name="profile_edit_delete_dialog_success_message">Profile deleted successfully.</string>
   <string name="profile_edit_allow_download_heading">Allow Download Access</string>
   <string name="profile_edit_allow_download_sub">User is able to download and delete content without Administrator password</string>
   <!-- ProfilePictureActivity -->

app/src/sharedTest/java/org/oppia/android/app/settings/profile/ProfileEditFragmentTest.kt

@@ -184,6 +184,11 @@ class ProfileEditFragmentTest {
       testCoroutineDispatchers.runCurrent()
       onView(withText(R.string.profile_edit_delete_dialog_message))
         .inRoot(isDialog()).check(matches(isDisplayed()))
+      onView(withText(android.R.string.ok)).perform(click())
+      testCoroutineDispatchers.runCurrent()
+      onView(withText(R.string.profile_edit_delete_dialog_success_message))
+        .inRoot(isDialog()).check(matches(isDisplayed()))
+      onView(withText(android.R.string.ok)).perform(click())
     }
   }
 
@@ -196,9 +201,50 @@ class ProfileEditFragmentTest {
       testCoroutineDispatchers.runCurrent()
       onView(withText(R.string.profile_edit_delete_dialog_message))
         .inRoot(isDialog()).check(matches(isCompletelyDisplayed()))
+      onView(withText(android.R.string.ok)).perform(click())
+      testCoroutineDispatchers.runCurrent()
+      onView(withText(R.string.profile_edit_delete_dialog_success_message))
+        .inRoot(isDialog()).check(matches(isDisplayed()))
+      onView(withText(android.R.string.ok)).perform(click())
+    }
+  }
+
+  @Test
+  @Config(qualifiers = "land")
+  fun testProfileEdit_startWithUserProfile_clickDelete_checkOpensDeletionSuccessDialog() {
+    launchFragmentTestActivity(internalProfileId = 1).use {
+      onView(withId(R.id.profile_delete_button)).perform(scrollTo()).perform(click())
+      testCoroutineDispatchers.runCurrent()
+      onView(withText(R.string.profile_edit_delete_dialog_message))
+        .inRoot(isDialog()).check(matches(isDisplayed()))
+      onView(withText(android.R.string.ok)).perform(click())
+      testCoroutineDispatchers.runCurrent()
+      onView(withText(R.string.profile_edit_delete_dialog_success_message))
+        .inRoot(isDialog()).check(matches(isDisplayed()))
+      onView(withText(android.R.string.ok)).perform(click())
     }
   }
 
+  @Test
+  @Config(qualifiers = "land")
+  fun testProfileEdit_deleteProfile_checkNavigationAfterDeletion() {
+    launchFragmentTestActivity(internalProfileId = 1).use {
+      onView(withId(R.id.profile_delete_button)).perform(scrollTo()).perform(click())
+      testCoroutineDispatchers.runCurrent()
+      onView(withText(R.string.profile_edit_delete_dialog_message))
+        .inRoot(isDialog()).check(matches(isDisplayed()))
+      onView(withText(android.R.string.ok)).perform(click())
+      testCoroutineDispatchers.runCurrent()
+      onView(withText(R.string.profile_edit_delete_dialog_success_message))
+        .inRoot(isDialog()).check(matches(isDisplayed()))
+      onView(withText(android.R.string.ok)).perform(click())
+      if (fragment.requireContext().resources.getBoolean(R.bool.isTablet)) {
+        intended(hasComponent(AdministratorControlsActivity::class.java.name))
+      } else {
+        intended(hasComponent(ProfileListActivity::class.java.name))
+      }
+    }
+  }
   @Test
   fun testProfileEdit_startWithUserHasDownloadAccess_downloadsDisabled_switchIsNotDisplayed() {
     TestPlatformParameterModule.forceEnableDownloadsSupport(false)