Fix #5136: Modifies all caps buttons to sentence case (#5157)

<!-- READ ME FIRST: Please fill in the explanation section below and
check off every point from the Essential Checklist! -->
## Explanation
<!--
- Explain what your PR does. If this PR fixes an existing bug, please
include
- "Fixes #bugnum:" in the explanation so that GitHub can auto-close the
issue
  - when this PR is merged.
  -->
Fixes #5136

This PR changes all caps buttons to sentence case. All buttons mentioned
in this
[comment](#5136 (comment))
are changed either by directly changing its `android:textAllCaps` to
`false` in the layout files or by changing its style in the `styles.xml`
file.

## Essential Checklist
<!-- Please tick the relevant boxes by putting an "x" in them. -->
- [x] The PR title and explanation each start with "Fix #bugnum: " (If
this PR fixes part of an issue, prefix the title with "Fix part of
#bugnum: ...".)
- [x] Any changes to
[scripts/assets](https://github.com/oppia/oppia-android/tree/develop/scripts/assets)
files have their rationale included in the PR explanation.
- [x] The PR follows the [style
guide](https://github.com/oppia/oppia-android/wiki/Coding-style-guide).
- [x] The PR does not contain any unnecessary code changes from Android
Studio
([reference](https://github.com/oppia/oppia-android/wiki/Guidance-on-submitting-a-PR#undo-unnecessary-changes)).
- [x] The PR is made from a branch that's **not** called "develop" and
is up-to-date with "develop".
- [x] The PR is **assigned** to the appropriate reviewers
([reference](https://github.com/oppia/oppia-android/wiki/Guidance-on-submitting-a-PR#clarification-regarding-assignees-and-reviewers-section)).

## For UI-specific PRs only
<!-- Delete these section if this PR does not include UI-related
changes. -->
If your PR includes UI-related changes, then:
- Add screenshots for portrait/landscape for both a tablet & phone of
the before & after UI changes
- For the screenshots above, include both English and pseudo-localized
(RTL) screenshots (see [RTL
guide](https://github.com/oppia/oppia-android/wiki/RTL-Guidelines))
- Add a video showing the full UX flow with a screen reader enabled (see
[accessibility
guide](https://github.com/oppia/oppia-android/wiki/Accessibility-A11y-Guide))
- Add a screenshot demonstrating that you ran affected Espresso tests
locally & that they're passing

## Screenshots

### _layout_

|Screen / Dialog|Button ID|Screenshots|
|--|--|--|
|`activity_input_interaction_view_test.xml`|`submit_button`|
|`add_profile_activity.xml`|`add_profile_activity_create_button`|
|`admin_auth_activity.xml`|`admin_auth_submit_button`|
|`admin_pin_activity.xml`|`submit_button`|
|`concept_card_fragment_test_activity.xml`|`open_dialog_0`
`open_dialog_1`|
|`exploration_test_activity.xml`|`play_exploration_button`|

|`hint_summary.xml`|`reveal_hint_button`|![image](https://github.com/oppia/oppia-android/assets/84731134/fa55e84f-df00-47fc-9064-6ba57dc91337)|

|`math_expression_parser_fragment.xml`|`parse_math_expression_button`|![image](https://github.com/oppia/oppia-android/assets/84731134/97678f0a-294f-40e9-a057-cd59843a07c9)|

|`onboarding_slide_final.xml`|`get_started_button`|![image](https://github.com/oppia/oppia-android/assets/84731134/44dab2e5-af61-42b6-a9be-977f0c3487a3)|

|`profile_list_control_buttons.xml`|`learner_analytics_share_ids_and_events_button`
`learner_analytics_upload_logs_now_button`|

|`profile_rename_fragment.xml`|`profile_rename_save_button`|![image](https://github.com/oppia/oppia-android/assets/84731134/6834670a-6225-45a1-a845-f41bc464a711)|
|`profile_reset_pin_fragment.xml`|`profile_reset_save_button`|
|`replay_button_item.xml`|`replay_button`|

|`return_to_lesson_button_item.xml`|`return_to_lesson_button`|![image](https://github.com/oppia/oppia-android/assets/84731134/fa55e84f-df00-47fc-9064-6ba57dc91337)|
|`return_to_topic_button_item.xml`|`return_to_topic_button`|
|`solution_summary.xml`|`show_solution_button`|
|`state_fragment_test_activity.xml`|`play_test_exploration_button`|

|`submit_button_item.xml`|`submit_answer_button`|![image](https://github.com/oppia/oppia-android/assets/84731134/eed9fb84-b4d8-4d65-a665-813c641debc5)|
|`topic_practice_footer_view.xml`|`topic_practice_start_button`|
|`walkthrough_welcome_fragment.xml`|`walkthrough_welcome_next_button`|

### _layout-land_
|Screen / Dialog|Button ID|Screenshots|
|--|--|--|

|`onboarding_slide_final.xml`|`get_started_button`|![image](https://github.com/oppia/oppia-android/assets/84731134/ce6df192-62ee-481b-83ea-49a56a4dfbe3)|
|`walkthrough_welcome_fragment.xml`|`walkthrough_welcome_next_button`|

### _layout-sw600dp-land_
|Screen / Dialog|Button ID|
|--|--|
|`onboarding_slide_final.xml`|`get_started_button`|

### _layout-sw600dp-port_
|Screen / Dialog|Button ID|
|--|--|
|`onboarding_slide_final.xml`|`get_started_button`|

<img
src="https://github.com/oppia/oppia-android/assets/84731134/23e8ebbb-386d-4dfa-bf4a-6e8354734245"
width="300"/>
<img
src="https://github.com/oppia/oppia-android/assets/84731134/e1358ff6-9e5e-4ae6-a9bc-44490f48d022"
width="300"/>
<img
src="https://github.com/oppia/oppia-android/assets/84731134/10c06098-0e4a-47a5-b7c3-988fc97073f2"
width="300"/>
<img
src="https://github.com/oppia/oppia-android/assets/84731134/08d9c601-8c46-430c-ba17-f7dbcd131d4a"
width="300"/>

---------

Co-authored-by: Adhiambo Peres <[email protected]>

app/src/main/res/layout-land/onboarding_slide_final.xml

@@ -79,6 +79,7 @@
         android:text="@string/get_started"
         android:textColor="@color/component_color_shared_secondary_4_text_color"
         android:textSize="14sp"
+        android:textAllCaps="false"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toEndOf="@+id/slide_image_view"
         app:layout_constraintTop_toBottomOf="@id/slide_description_text_view" />

app/src/main/res/layout-land/resume_lesson_fragment.xml

@@ -81,7 +81,7 @@
           android:minWidth="144dp"
           android:minHeight="@dimen/clickable_item_min_height"
           android:text="@string/start_over_lesson_button"
-          android:textAllCaps="true"
+          android:textAllCaps="false"
           android:textColor="@color/component_color_shared_secondary_button_background_trim_color"
           android:textSize="14sp"
           app:backgroundTint="@null"
@@ -100,7 +100,7 @@
           android:minWidth="144dp"
           android:minHeight="@dimen/clickable_item_min_height"
           android:text="@string/resume_lesson_button"
-          android:textAllCaps="true"
+          android:textAllCaps="false"
           android:textColor="@color/component_color_shared_secondary_4_text_color"
           android:textSize="14sp"
           app:backgroundTint="@null"

app/src/main/res/layout-sw600dp-land/onboarding_slide_final.xml

@@ -73,6 +73,7 @@
         android:text="@string/get_started"
         android:textColor="@color/component_color_shared_secondary_4_text_color"
         android:textSize="14sp"
+        android:textAllCaps="false"
         app:layout_constraintEnd_toEndOf="@+id/slide_title_text_view"
         app:layout_constraintStart_toStartOf="@+id/slide_title_text_view"
         app:layout_constraintTop_toBottomOf="@id/slide_description_text_view" />

app/src/main/res/layout-sw600dp-land/resume_lesson_fragment.xml

@@ -111,7 +111,7 @@
             android:minWidth="144dp"
             android:minHeight="@dimen/clickable_item_min_height"
             android:text="@string/start_over_lesson_button"
-            android:textAllCaps="true"
+            android:textAllCaps="false"
             android:textColor="@color/component_color_shared_secondary_button_background_trim_color"
             android:textSize="14sp"
             app:backgroundTint="@null"
@@ -130,7 +130,7 @@
             android:minWidth="144dp"
             android:minHeight="@dimen/clickable_item_min_height"
             android:text="@string/resume_lesson_button"
-            android:textAllCaps="true"
+            android:textAllCaps="false"
             android:textColor="@color/component_color_shared_secondary_4_text_color"
             android:textSize="14sp"
             app:backgroundTint="@null"

app/src/main/res/layout-sw600dp-port/onboarding_slide_final.xml

@@ -80,6 +80,7 @@
         android:text="@string/get_started"
         android:textColor="@color/component_color_shared_secondary_4_text_color"
         android:textSize="20sp"
+        android:textAllCaps="false"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@id/slide_description_text_view" />

app/src/main/res/layout/add_profile_activity.xml

@@ -237,7 +237,6 @@
             android:enabled="@{viewModel.isButtonActive()}"
             android:gravity="center"
             android:text="@string/add_profile_create_btn"
-            android:textAllCaps="true"
             android:textColor="@{viewModel.isButtonActive() ? @color/component_color_shared_secondary_4_text_color : @color/component_color_shared_button_inactive_text_color }"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintTop_toBottomOf="@+id/add_profile_activity_pin_constraint_layout" />

app/src/main/res/layout/concept_card_fragment_test_activity.xml

@@ -7,11 +7,13 @@
     android:id="@+id/open_dialog_0"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
-    android:text="Concept Card 1" />
+    android:text="Concept Card 1"
+    android:textAllCaps="false"/>
 
   <Button
     android:id="@+id/open_dialog_1"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
-    android:text="Concept Card 2" />
+    android:text="Concept Card 2"
+    android:textAllCaps="false" />
 </LinearLayout>

app/src/main/res/layout/exploration_test_activity.xml

@@ -10,7 +10,8 @@
     android:id="@+id/play_exploration_button"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
-    android:text="Play exploration" />
+    android:text="Play exploration"
+    android:textAllCaps="false"/>
 
   <FrameLayout
     android:id="@+id/exploration_test_fragment_placeholder"

app/src/main/res/layout/hint_summary.xml

@@ -80,6 +80,7 @@
             android:text="@string/reveal_hint"
             android:textColor="@color/component_color_hints_and_solution_summary_button_text_color"
             android:textSize="14sp"
+            android:textAllCaps="false"
             android:visibility="@{viewModel.isHintRevealed? View.GONE : View.VISIBLE}"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toEndOf="parent"

app/src/main/res/layout/math_expression_parser_fragment.xml

@@ -79,7 +79,6 @@
           android:enabled="true"
           android:onClick="@{(v) -> viewModel.onParseButtonClicked()}"
           android:text="@string/math_expression_parse_button_label"
-          android:textAllCaps="true"
           android:textSize="14sp"
           app:layout_constraintEnd_toEndOf="parent"
           app:layout_constraintTop_toTopOf="parent" />

app/src/main/res/layout/onboarding_slide_final.xml

@@ -81,6 +81,7 @@
         android:text="@string/get_started"
         android:textColor="@color/component_color_shared_secondary_4_text_color"
         android:textSize="14sp"
+        android:textAllCaps="false"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@id/slide_description_text_view" />

app/src/main/res/layout/profile_rename_fragment.xml

@@ -61,7 +61,6 @@
         android:clickable="@{viewModel.inputName.length > 0}"
         android:enabled="@{viewModel.inputName.length > 0}"
         android:text="@string/profile_rename_save"
-        android:textAllCaps="true"
         android:textColor="@{viewModel.inputName.length > 0 ? @color/component_color_shared_secondary_4_text_color : @color/component_color_shared_button_inactive_text_color }"
         android:textSize="14sp"
         app:layout_constraintEnd_toEndOf="parent"

app/src/main/res/layout/profile_reset_pin_fragment.xml

@@ -105,7 +105,6 @@
           android:clickable="@{viewModel.isButtonActive()}"
           android:enabled="@{viewModel.isButtonActive()}"
           android:text="@string/profile_rename_save"
-          android:textAllCaps="true"
           android:textColor="@{viewModel.isButtonActive() ? @color/component_color_shared_secondary_4_text_color : @color/component_color_shared_button_inactive_text_color }"
           app:layout_constraintEnd_toEndOf="parent"
           app:layout_constraintTop_toBottomOf="@id/profile_reset_input_confirm_pin" />

app/src/main/res/layout/resume_lesson_fragment.xml

@@ -96,7 +96,7 @@
           android:minWidth="144dp"
           android:minHeight="@dimen/clickable_item_min_height"
           android:text="@string/start_over_lesson_button"
-          android:textAllCaps="true"
+          android:textAllCaps="false"
           android:textColor="@color/component_color_shared_secondary_button_background_trim_color"
           android:textSize="14sp"
           app:backgroundTint="@null"
@@ -114,7 +114,7 @@
           android:minWidth="144dp"
           android:minHeight="@dimen/clickable_item_min_height"
           android:text="@string/resume_lesson_button"
-          android:textAllCaps="true"
+          android:textAllCaps="false"
           android:textColor="@color/component_color_shared_secondary_4_text_color"
           android:textSize="14sp"
           app:backgroundTint="@null"

app/src/main/res/layout/solution_summary.xml

@@ -80,6 +80,7 @@
             android:text="@string/show_solution"
             android:textColor="@color/component_color_hints_and_solution_summary_button_text_color"
             android:textSize="14sp"
+            android:textAllCaps="false"
             android:visibility="@{viewModel.isSolutionRevealed()? View.GONE : View.VISIBLE}"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toEndOf="parent"

app/src/main/res/layout/state_fragment_test_activity.xml

@@ -32,6 +32,7 @@
       android:layout_height="wrap_content"
       android:layout_marginTop="16dp"
       android:text="Play exploration"
+      android:textAllCaps="false"
       android:visibility="@{viewModel.hasExplorationStarted ? View.GONE : View.VISIBLE}" />
   </FrameLayout>
 </layout>

app/src/main/res/values-v21/themes.xml

@@ -42,5 +42,6 @@
     <item name="android:textColorPrimary">@color/component_color_shared_primary_dark_text_color</item>
     <item name="android:buttonBarNegativeButtonStyle">@style/textAllCaps</item>
     <item name="android:buttonBarPositiveButtonStyle">@style/textAllCaps</item>
+    <item name="android:textAllCaps">false</item>
   </style>
 </resources>

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

@@ -15,13 +15,13 @@
   <string name="audio_play_description">Play audio</string>
   <string name="audio_pause_description">Pause audio</string>
   <string name="audio_unavailable_in_selected_language">%s audio is unavailable.</string>
-  <string name="audio_language_select_dialog_okay_button">OK</string>
+  <string name="audio_language_select_dialog_okay_button">Ok</string>
   <string name="audio_language_select_dialog_cancel_button">Cancel</string>
   <string name="audio_language_select_dialog_title">Audio Language</string>
   <string name="audio_dialog_offline_title">Currently Offline</string>
   <string name="audio_dialog_offline_message">Make sure Wi-Fi or cellular data is turned on, then try again.</string>
-  <string name="audio_dialog_offline_positive">OK</string>
-  <string name="cellular_data_alert_dialog_okay_button">OK</string>
+  <string name="audio_dialog_offline_positive">Ok</string>
+  <string name="cellular_data_alert_dialog_okay_button">Ok</string>
   <string name="cellular_data_alert_dialog_cancel_button">Cancel</string>
   <string name="cellular_data_alert_dialog_title">Currently on Cellular Data</string>
   <string name="cellular_data_alert_dialog_description">Streaming audio may use a lot of cellular data.</string>
@@ -376,7 +376,7 @@
   <!-- ProfileRenameActivity -->
   <string name="profile_rename_activity_title">Rename Profile</string>
   <string name="profile_rename_label">New Name</string>
-  <string name="profile_rename_save">save</string>
+  <string name="profile_rename_save">Save</string>
   <!-- ProfileResetPinActivity -->
   <string name="profile_reset_pin_activity_title">Reset PIN</string>
   <string name="profile_reset_pin_main">Enter a new PIN for the user to enter when accessing their profile.</string>

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

@@ -68,7 +68,7 @@
     <item name="android:background">@drawable/state_button_primary_background</item>
     <item name="android:fontFamily">sans-serif-medium</item>
     <item name="android:minHeight">@dimen/clickable_item_min_height</item>
-    <item name="android:textAllCaps">true</item>
+    <item name="android:textAllCaps">false</item>
     <item name="android:textColor">@color/component_color_shared_secondary_4_text_color</item>
     <item name="android:textSize">14sp</item>
   </style>
@@ -125,7 +125,7 @@
     <item name="android:layout_width">wrap_content</item>
     <item name="android:layout_height">wrap_content</item>
     <item name="android:padding">8dp</item>
-    <item name="android:textAllCaps">true</item>
+    <item name="android:textAllCaps">false</item>
     <item name="android:background">@android:color/transparent</item>
     <item name="android:textColor">#56000000</item>
     <item name="android:textSize">14sp</item>
@@ -418,7 +418,7 @@
     <item name="android:minWidth">144dp</item>
     <item name="android:drawablePadding">4dp</item>
     <item name="drawableTint">@color/component_color_shared_secondary_button_background_trim_color</item>
-    <item name="android:textAllCaps">true</item>
+    <item name="android:textAllCaps">false</item>
     <item name="android:textColor">@color/component_color_shared_secondary_button_background_trim_color</item>
     <item name="android:textSize">14sp</item>
   </style>

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

@@ -38,6 +38,7 @@
     <item name="textColorAlertDialogListItem">@color/component_color_shared_primary_dark_text_color</item>
     <item name="colorControlNormal">@color/component_color_shared_dialogs_radio_button_unchecked_color</item>
     <item name="colorControlActivated">@color/component_color_shared_dialogs_radio_button_checked_color</item>
+    <item name="android:textAllCaps">false</item>
   </style>
 
   <style name="OppiaSwitchCompatTheme" parent="Theme.MaterialComponents.Light.NoActionBar.Bridge">
@@ -50,6 +51,7 @@
     <item name="colorAccent">@color/component_color_shared_dialogs_primary_color</item>
     <item name="colorBackgroundFloating">@color/component_color_shared_item_background_solid_color</item>
     <item name="android:textColorPrimary">@color/component_color_shared_primary_dark_text_color</item>
+    <item name="android:textAllCaps">false</item>
   </style>
 
   <style name="DeprecationAlertDialogTheme" parent="OppiaAlertDialogTheme">

app/src/sharedTest/java/org/oppia/android/app/player/audio/AudioFragmentTest.kt

@@ -334,7 +334,7 @@ class AudioFragmentTest {
         .perform(click())
 
       testCoroutineDispatchers.runCurrent()
-      onView(withText("OK")).inRoot(isDialog()).perform(click())
+      onView(withText("Ok")).inRoot(isDialog()).perform(click())
 
       testCoroutineDispatchers.runCurrent()
       onView(withId(R.id.play_pause_audio_icon))

app/src/sharedTest/java/org/oppia/android/app/player/exploration/ExplorationActivityTest.kt

@@ -1062,7 +1062,7 @@ class ExplorationActivityTest {
       onView(withId(R.id.cellular_data_dialog_checkbox))
         .inRoot(isDialog())
         .perform(click())
-      onView(withText(context.getString(R.string.audio_language_select_dialog_okay_button)))
+      onView(withText(context.getString(R.string.cellular_data_alert_dialog_okay_button)))
         .inRoot(isDialog())
         .perform(click())
 

app/src/test/java/org/oppia/android/app/player/state/StateFragmentLocalTest.kt

@@ -1409,7 +1409,7 @@ class StateFragmentLocalTest {
       showRevealSolutionDialog()
       clickCancelInRevealSolutionDialog(scenario)
 
-      onView(withText("SHOW SOLUTION"))
+      onView(withText("Show solution"))
         .inRoot(isDialog())
         .check(matches(isDisplayed()))
     }