Revert "Fix oppia#4739 Talkback does not read the expected text"

app/src/main/java/org/oppia/android/app/profile/PinPasswordActivityPresenter.kt

@@ -15,7 +15,6 @@ import org.oppia.android.app.utility.lifecycle.LifecycleSafeTimerFactory
 import org.oppia.android.app.viewmodel.ViewModelProvider
 import org.oppia.android.databinding.PinPasswordActivityBinding
 import org.oppia.android.domain.profile.ProfileManagementController
-import org.oppia.android.util.accessibility.AccessibilityService
 import org.oppia.android.util.data.AsyncResult
 import org.oppia.android.util.data.DataProviders.Companion.toLiveData
 import javax.inject.Inject
@@ -32,7 +31,6 @@ class PinPasswordActivityPresenter @Inject constructor(
   private val viewModelProvider: ViewModelProvider<PinPasswordViewModel>,
   private val resourceHandler: AppLanguageResourceHandler
 ) {
-  @Inject lateinit var accessibilityService: AccessibilityService
   private val pinViewModel by lazy {
     getPinPasswordViewModel()
   }
@@ -71,13 +69,7 @@ class PinPasswordActivityPresenter @Inject constructor(
         )
       }
     }
-
-    // If the screen reader is off, the EditText will receive focus.
-    // If the screen reader is on, the EditText won't receive focus.
-    // This is needed because requesting focus on the EditText when the screen reader is on gives TalkBack priority over other views in the screen, ignoring view hierachy.
-    if (!accessibilityService.isScreenReaderEnabled())
-      binding.pinPasswordInputPinEditText.requestFocus()
-
+    binding.pinPasswordInputPinEditText.requestFocus()
     // [onTextChanged] is a extension function defined at [TextInputEditTextHelper]
     binding.pinPasswordInputPinEditText.onTextChanged { pin ->
       pin?.let { inputtedPin ->

app/src/sharedTest/java/org/oppia/android/app/profile/PinPasswordActivityTest.kt

@@ -98,7 +98,6 @@ import org.oppia.android.testing.threading.TestCoroutineDispatchers
 import org.oppia.android.testing.threading.TestDispatcherModule
 import org.oppia.android.testing.time.FakeOppiaClockModule
 import org.oppia.android.util.accessibility.AccessibilityTestModule
-import org.oppia.android.util.accessibility.FakeAccessibilityService
 import org.oppia.android.util.caching.AssetModule
 import org.oppia.android.util.caching.testing.CachingTestModule
 import org.oppia.android.util.gcsresource.GcsResourceModule
@@ -148,9 +147,6 @@ class PinPasswordActivityTest {
   @Inject
   lateinit var editTextInputAction: EditTextInputAction
 
-  @Inject
-  lateinit var fakeAccessibilityService: FakeAccessibilityService
-
   private val adminPin = "12345"
   private val adminId = 0
   private val userId = 1
@@ -185,8 +181,7 @@ class PinPasswordActivityTest {
   }
 
   @Test
-  fun testPinPassword_withAdmin_screenReaderOff_keyboardIsVisible() {
-    fakeAccessibilityService.setScreenReaderEnabled(false)
+  fun testPinPassword_withAdmin_keyboardIsVisibleByDefault() {
     ActivityScenario.launch<PinPasswordActivity>(
       PinPasswordActivity.createPinPasswordActivityIntent(
         context = context,
@@ -198,20 +193,6 @@ class PinPasswordActivityTest {
     }
   }
 
-  @Test
-  fun testPinPassword_withAdmin_screenReaderOn_keyboardIsNotVisible() {
-    fakeAccessibilityService.setScreenReaderEnabled(true)
-    ActivityScenario.launch<PinPasswordActivity>(
-      PinPasswordActivity.createPinPasswordActivityIntent(
-        context = context,
-        adminPin = adminPin,
-        profileId = adminId
-      )
-    ).use {
-      onView(withId(R.id.pin_password_input_pin_edit_text)).check(matches(not(hasFocus())))
-    }
-  }
-
   @Test
   fun testPinPassword_withAdmin_inputCorrectPin_opensHomeActivity() {
     ActivityScenario.launch<PinPasswordActivity>(