Fixed #5182 - All warnings in "Internationalization" (#5183)

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## Explanation
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Fix #5182 [part of #5169]

Fixes All warnings in "Internationalization" caused by
- hardcoded text : Fixed by assigning `string resource` values
- padding/margins : Fixed by setting `padding end` values

## ScreenShot:
![Lint Issues Internationalization Before
After](https://github.com/oppia/oppia-android/assets/122200035/a2f04893-b670-499b-980b-5151097b47c0)

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<br>

---------

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

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

@@ -42,6 +42,7 @@
       android:contentDescription="@string/edit_profile_picture_content_description"
       android:onClick="@{() -> viewModel.clickOnProfilePicture()}"
       android:paddingStart="12dp"
+      android:paddingEnd="0dp"
       android:paddingTop="12dp"
       android:elevation="4dp"
       app:layout_constraintBottom_toBottomOf="@+id/profile_edit_image"

app/src/main/res/layout-sw600dp/administrator_controls_learner_analytics_view.xml

@@ -26,7 +26,7 @@
       android:paddingTop="28dp"
       android:paddingEnd="16dp"
       android:paddingBottom="20dp"
-      android:text="Learner Study Analytics"
+      android:text="@string/learner_analytics_label_text"
       android:textColor="@color/component_color_shared_active_text_color"
       app:layout_constraintBottom_toTopOf="@id/profile_and_device_id_text_view"
       app:layout_constraintEnd_toEndOf="parent"

app/src/main/res/layout-sw600dp/profile_progress_header.xml

@@ -42,6 +42,7 @@
       android:elevation="4dp"
       android:onClick="@{() -> viewModel.clickOnProfilePicture()}"
       android:paddingStart="12dp"
+      android:paddingEnd="0dp"
       android:paddingTop="12dp"
       app:layout_constraintBottom_toBottomOf="@+id/profile_edit_image"
       app:layout_constraintEnd_toEndOf="@+id/profile_edit_image"

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

@@ -122,7 +122,7 @@
         android:layout_margin="8dp"
         android:background="@drawable/edit_text_background"
         android:focusable="true"
-        android:hint="Write the digit here."
+        android:hint="@string/test_number_input_interaction_hint"
         android:textColor="@color/component_color_shared_primary_text_color"
         android:textColorHint="@color/component_color_shared_edit_text_hint_color"
         android:longClickable="false"
@@ -154,7 +154,7 @@
         android:layout_margin="8dp"
         android:background="@drawable/edit_text_background"
         android:focusable="true"
-        android:hint="Write here."
+        android:hint="@string/test_text_input_interaction_hint"
         android:inputType="text"
         android:longClickable="false"
         android:maxLength="200"
@@ -181,7 +181,7 @@
         android:layout_height="wrap_content"
         android:layout_margin="8dp"
         android:onClick="getPendingAnswerErrorOnSubmitClick"
-        android:text="Submit"
+        android:text="@string/submit_button_text"
         android:textColor="@color/component_color_shared_secondary_4_text_color" />
     </LinearLayout>
   </ScrollView>

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

@@ -67,6 +67,7 @@
             android:contentDescription="@string/edit_profile_picture_content_description"
             android:elevation="4dp"
             android:paddingStart="12dp"
+            android:paddingEnd="0dp"
             android:paddingTop="12dp"
             app:layout_constraintBottom_toBottomOf="@+id/add_profile_activity_user_image_view"
             app:layout_constraintEnd_toEndOf="@+id/add_profile_activity_user_image_view"

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

@@ -22,7 +22,7 @@
       android:paddingTop="28dp"
       android:paddingEnd="16dp"
       android:paddingBottom="20dp"
-      android:text="Learner Study Analytics"
+      android:text="@string/learner_analytics_label_text"
       android:textColor="@color/component_color_shared_active_text_color"
       app:layout_constraintBottom_toTopOf="@id/profile_and_device_id_text_view"
       app:layout_constraintEnd_toEndOf="parent"

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

@@ -7,13 +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="@string/concept_card_one_button_text"
     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="@string/concept_card_two_button_text"
     android:textAllCaps="false" />
 </LinearLayout>

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

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

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

@@ -12,7 +12,7 @@
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:fontFamily="sans-serif"
-    android:text="html Content"
+    android:text="@string/font_scale_html_content_text"
     android:textColor="@color/component_color_shared_primary_text_color"
     android:textSize="20sp" />
 </FrameLayout>

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

@@ -44,6 +44,7 @@
       android:elevation="4dp"
       android:onClick="@{() -> viewModel.clickOnProfilePicture()}"
       android:paddingStart="8dp"
+      android:paddingEnd="0dp"
       android:paddingTop="8dp"
       app:layout_constraintBottom_toBottomOf="@+id/profile_edit_image"
       app:layout_constraintEnd_toEndOf="@+id/profile_edit_image"

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

@@ -15,7 +15,7 @@
       android:id="@+id/sample_spotlight_target"
       android:layout_width="wrap_content"
       android:layout_height="wrap_content"
-      android:text="This is a sample text view"
+      android:text="@string/sample_text_view_text"
       style="@style/TextViewStart"
       android:layout_marginTop="80dp"
       android:layout_marginStart="80dp"

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

@@ -31,7 +31,7 @@
       android:layout_width="wrap_content"
       android:layout_height="wrap_content"
       android:layout_marginTop="16dp"
-      android:text="Play exploration"
+      android:text="@string/play_exploration_button_text"
       android:textAllCaps="false"
       android:visibility="@{viewModel.hasExplorationStarted ? View.GONE : View.VISIBLE}" />
   </FrameLayout>

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

@@ -5,6 +5,7 @@
   <string name="menu_my_downloads">My Downloads</string>
   <string name="menu_help">Help</string>
   <string name="exploration_activity_title">Exploration Player</string>
+  <string name="play_exploration_button_text">Play exploration</string>
   <string name="help_activity_title">Help</string>
   <string name="bottom_sheet_options_menu_close">Close</string>
   <string name="menu_switch_profile">Switch Profile</string>
@@ -27,6 +28,8 @@
   <string name="cellular_data_alert_dialog_description">Streaming audio may use a lot of cellular data.</string>
   <string name="cellular_data_alert_dialog_checkbox">Don\'t show this message again</string>
   <string name="concept_card_toolbar_title">Concept Card</string>
+  <string name="concept_card_one_button_text">Concept Card 1</string>
+  <string name="concept_card_two_button_text">Concept Card 2</string>
   <string name="revision_card_toolbar_title">Revision Card</string>
   <string name="unsaved_exploration_dialog_title">Leave to Topic Page?</string>
   <string name="unsaved_exploration_dialog_description">Your progress will not be saved.</string>
@@ -60,6 +63,7 @@
   <string name="previous_state_description">Navigate to the previous card</string>
   <string name="next_state_description">Navigate to the next card</string>
   <string name="state_submit_button">Submit</string>
+  <string name="submit_button_text">Submit</string>
   <string name="lesson_replay_button_text">Replay</string>
   <string name="state_end_exploration_button">Return To Topic</string>
   <string name="previous_responses_header">Previous Responses (%s)</string>
@@ -68,6 +72,7 @@
   <string name="topic_download_text">(%s)</string>
   <string name="see_more">See More</string>
   <string name="see_less">See Less</string>
+  <string name="sample_text_view_text">This is a sample text view</string>
   <string name="FAQs">FAQs</string>
   <string name="featured_questions">Featured Questions</string>
   <string name="frequently_asked_questions">Frequently Asked Questions</string>
@@ -356,6 +361,8 @@
   <string name="add_profile_required">Required</string>
   <string name="back_button">Back Button</string>
   <string name="next">Next</string>
+  <!-- ProfileAndDeviceIDsActivity -->
+  <string name="learner_analytics_label_text">Learner Study Analytics</string>
   <!-- AdministratorControlsFragment -->
   <string name="administrator_controls_general_label">General</string>
   <string name="administrator_controls_edit_account">Edit account</string>
@@ -482,6 +489,8 @@
   <string name="ratio_content_description_separator" description="The separator that would be used to build the text that would be read out for ratio interaction.For e.g if the input is 1:2:3 the read out text would be 1 to 2 to 3">\u0020to\u0020</string>
   <string name="ratio_default_hint_text" description="The default hint text for the ratio interaction if the placeholder text is not available.">Enter a ratio in the form x:y.</string>
   <string name="text_input_default_hint_text">Tap here to enter text.</string>
+  <string name="test_number_input_interaction_hint">Write the digit here.</string>
+  <string name="test_text_input_interaction_hint">Write here.</string>
   <string name="smallest_text_size_content_description">Smallest text size</string>
   <string name="largest_text_size_content_description">Largest text size</string>
   <string name="coming_soon">Coming Soon</string>
@@ -596,4 +605,5 @@
   <string name="profile_picture_image_view_content_description">Profile Picture Image View</string>
   <string name="lock_icon_content_description">Lock Icon</string>
   <string name="download_status_image_content_description">Download Status</string>
+  <string name="font_scale_html_content_text">html Content</string>
 </resources>