diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index bf3c95a3..d81301d1 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -18,8 +18,8 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_gravity="top"
-            android:paddingLeft="@dimen/activity_margin"
-            android:paddingRight="@dimen/activity_margin" />
+            android:paddingStart="@dimen/activity_margin"
+            android:paddingEnd="@dimen/activity_margin" />
 
     </com.simplemobiletools.commons.views.MyViewPager>
 </LinearLayout>
diff --git a/app/src/main/res/layout/activity_settings.xml b/app/src/main/res/layout/activity_settings.xml
index 92ed82b7..8c75c6f9 100644
--- a/app/src/main/res/layout/activity_settings.xml
+++ b/app/src/main/res/layout/activity_settings.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<ScrollView
-    xmlns:android="http://schemas.android.com/apk/res/android"
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/settings_scrollview"
     android:layout_width="match_parent"
@@ -18,9 +17,9 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="@dimen/medium_margin"
             android:background="?attr/selectableItemBackground"
-            android:paddingLeft="@dimen/normal_margin"
+            android:paddingStart="@dimen/normal_margin"
             android:paddingTop="@dimen/activity_margin"
-            android:paddingRight="@dimen/normal_margin"
+            android:paddingEnd="@dimen/normal_margin"
             android:paddingBottom="@dimen/activity_margin">
 
             <com.simplemobiletools.commons.views.MyTextView
@@ -29,7 +28,7 @@
                 android:layout_height="wrap_content"
                 android:layout_centerVertical="true"
                 android:paddingStart="@dimen/medium_margin"
-                android:text="@string/customize_colors"/>
+                android:text="@string/customize_colors" />
 
         </RelativeLayout>
 
@@ -39,9 +38,9 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="@dimen/medium_margin"
             android:background="?attr/selectableItemBackground"
-            android:paddingLeft="@dimen/normal_margin"
+            android:paddingStart="@dimen/normal_margin"
             android:paddingTop="@dimen/activity_margin"
-            android:paddingRight="@dimen/normal_margin"
+            android:paddingEnd="@dimen/normal_margin"
             android:paddingBottom="@dimen/activity_margin">
 
             <com.simplemobiletools.commons.views.MySwitchCompat
@@ -52,7 +51,7 @@
                 android:clickable="false"
                 android:paddingStart="@dimen/medium_margin"
                 android:text="@string/use_english_language"
-                app:switchPadding="@dimen/medium_margin"/>
+                app:switchPadding="@dimen/medium_margin" />
 
         </RelativeLayout>
 
@@ -64,7 +63,7 @@
             android:layout_marginTop="@dimen/activity_margin"
             android:text="@string/text"
             android:textAllCaps="true"
-            android:textSize="@dimen/smaller_text_size"/>
+            android:textSize="@dimen/smaller_text_size" />
 
         <RelativeLayout
             android:id="@+id/settings_show_word_count_holder"
@@ -72,9 +71,9 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="@dimen/medium_margin"
             android:background="?attr/selectableItemBackground"
-            android:paddingLeft="@dimen/normal_margin"
+            android:paddingStart="@dimen/normal_margin"
             android:paddingTop="@dimen/activity_margin"
-            android:paddingRight="@dimen/normal_margin"
+            android:paddingEnd="@dimen/normal_margin"
             android:paddingBottom="@dimen/activity_margin">
 
             <com.simplemobiletools.commons.views.MySwitchCompat
@@ -85,7 +84,7 @@
                 android:clickable="false"
                 android:paddingStart="@dimen/medium_margin"
                 android:text="@string/show_word_count"
-                app:switchPadding="@dimen/medium_margin"/>
+                app:switchPadding="@dimen/medium_margin" />
 
         </RelativeLayout>
 
@@ -95,9 +94,9 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="@dimen/medium_margin"
             android:background="?attr/selectableItemBackground"
-            android:paddingLeft="@dimen/normal_margin"
+            android:paddingStart="@dimen/normal_margin"
             android:paddingTop="@dimen/activity_margin"
-            android:paddingRight="@dimen/normal_margin"
+            android:paddingEnd="@dimen/normal_margin"
             android:paddingBottom="@dimen/activity_margin">
 
             <com.simplemobiletools.commons.views.MySwitchCompat
@@ -108,7 +107,7 @@
                 android:clickable="false"
                 android:paddingStart="@dimen/medium_margin"
                 android:text="@string/links_and_emails_clickable"
-                app:switchPadding="@dimen/medium_margin"/>
+                app:switchPadding="@dimen/medium_margin" />
 
         </RelativeLayout>
 
@@ -118,9 +117,9 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="@dimen/medium_margin"
             android:background="?attr/selectableItemBackground"
-            android:paddingLeft="@dimen/normal_margin"
+            android:paddingStart="@dimen/normal_margin"
             android:paddingTop="@dimen/activity_margin"
-            android:paddingRight="@dimen/normal_margin"
+            android:paddingEnd="@dimen/normal_margin"
             android:paddingBottom="@dimen/activity_margin">
 
             <com.simplemobiletools.commons.views.MySwitchCompat
@@ -131,7 +130,7 @@
                 android:clickable="false"
                 android:paddingStart="@dimen/medium_margin"
                 android:text="@string/monospaced_font"
-                app:switchPadding="@dimen/medium_margin"/>
+                app:switchPadding="@dimen/medium_margin" />
 
         </RelativeLayout>
 
@@ -141,9 +140,9 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="@dimen/medium_margin"
             android:background="?attr/selectableItemBackground"
-            android:paddingLeft="@dimen/normal_margin"
+            android:paddingStart="@dimen/normal_margin"
             android:paddingTop="@dimen/activity_margin"
-            android:paddingRight="@dimen/normal_margin"
+            android:paddingEnd="@dimen/normal_margin"
             android:paddingBottom="@dimen/activity_margin">
 
             <com.simplemobiletools.commons.views.MySwitchCompat
@@ -154,7 +153,7 @@
                 android:clickable="false"
                 android:paddingStart="@dimen/medium_margin"
                 android:text="@string/use_incognito_mode"
-                app:switchPadding="@dimen/medium_margin"/>
+                app:switchPadding="@dimen/medium_margin" />
 
         </RelativeLayout>
 
@@ -164,9 +163,9 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="@dimen/medium_margin"
             android:background="?attr/selectableItemBackground"
-            android:paddingLeft="@dimen/normal_margin"
+            android:paddingStart="@dimen/normal_margin"
             android:paddingTop="@dimen/activity_margin"
-            android:paddingRight="@dimen/normal_margin"
+            android:paddingEnd="@dimen/normal_margin"
             android:paddingBottom="@dimen/activity_margin">
 
             <com.simplemobiletools.commons.views.MySwitchCompat
@@ -177,7 +176,7 @@
                 android:clickable="false"
                 android:paddingStart="@dimen/medium_margin"
                 android:text="@string/enable_line_wrap"
-                app:switchPadding="@dimen/medium_margin"/>
+                app:switchPadding="@dimen/medium_margin" />
 
         </RelativeLayout>
 
@@ -187,9 +186,9 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="@dimen/medium_margin"
             android:background="?attr/selectableItemBackground"
-            android:paddingLeft="@dimen/normal_margin"
+            android:paddingStart="@dimen/normal_margin"
             android:paddingTop="@dimen/activity_margin"
-            android:paddingRight="@dimen/normal_margin"
+            android:paddingEnd="@dimen/normal_margin"
             android:paddingBottom="@dimen/activity_margin">
 
             <com.simplemobiletools.commons.views.MyTextView
@@ -198,9 +197,9 @@
                 android:layout_height="wrap_content"
                 android:layout_centerVertical="true"
                 android:layout_toStartOf="@+id/settings_font_size"
-                android:paddingLeft="@dimen/medium_margin"
-                android:paddingRight="@dimen/medium_margin"
-                android:text="@string/font_size"/>
+                android:paddingStart="@dimen/medium_margin"
+                android:paddingEnd="@dimen/medium_margin"
+                android:text="@string/font_size" />
 
             <com.simplemobiletools.commons.views.MyTextView
                 android:id="@+id/settings_font_size"
@@ -209,7 +208,7 @@
                 android:layout_alignParentEnd="true"
                 android:layout_marginEnd="@dimen/medium_margin"
                 android:background="@null"
-                android:clickable="false"/>
+                android:clickable="false" />
 
         </RelativeLayout>
 
@@ -219,9 +218,9 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="@dimen/medium_margin"
             android:background="?attr/selectableItemBackground"
-            android:paddingLeft="@dimen/normal_margin"
+            android:paddingStart="@dimen/normal_margin"
             android:paddingTop="@dimen/activity_margin"
-            android:paddingRight="@dimen/normal_margin"
+            android:paddingEnd="@dimen/normal_margin"
             android:paddingBottom="@dimen/activity_margin">
 
             <com.simplemobiletools.commons.views.MyTextView
@@ -230,9 +229,9 @@
                 android:layout_height="wrap_content"
                 android:layout_centerVertical="true"
                 android:layout_toStartOf="@+id/settings_gravity"
-                android:paddingLeft="@dimen/medium_margin"
-                android:paddingRight="@dimen/medium_margin"
-                android:text="@string/alignment"/>
+                android:paddingStart="@dimen/medium_margin"
+                android:paddingEnd="@dimen/medium_margin"
+                android:text="@string/alignment" />
 
             <com.simplemobiletools.commons.views.MyTextView
                 android:id="@+id/settings_gravity"
@@ -241,7 +240,7 @@
                 android:layout_alignParentEnd="true"
                 android:layout_marginEnd="@dimen/medium_margin"
                 android:background="@null"
-                android:clickable="false"/>
+                android:clickable="false" />
 
         </RelativeLayout>
 
@@ -253,7 +252,7 @@
             android:layout_marginTop="@dimen/activity_margin"
             android:text="@string/startup"
             android:textAllCaps="true"
-            android:textSize="@dimen/smaller_text_size"/>
+            android:textSize="@dimen/smaller_text_size" />
 
         <RelativeLayout
             android:id="@+id/settings_cursor_placement_holder"
@@ -261,9 +260,9 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="@dimen/medium_margin"
             android:background="?attr/selectableItemBackground"
-            android:paddingLeft="@dimen/normal_margin"
+            android:paddingStart="@dimen/normal_margin"
             android:paddingTop="@dimen/activity_margin"
-            android:paddingRight="@dimen/normal_margin"
+            android:paddingEnd="@dimen/normal_margin"
             android:paddingBottom="@dimen/activity_margin">
 
             <com.simplemobiletools.commons.views.MySwitchCompat
@@ -274,7 +273,7 @@
                 android:clickable="false"
                 android:paddingStart="@dimen/medium_margin"
                 android:text="@string/place_cursor_end"
-                app:switchPadding="@dimen/medium_margin"/>
+                app:switchPadding="@dimen/medium_margin" />
 
         </RelativeLayout>
 
@@ -284,9 +283,9 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="@dimen/medium_margin"
             android:background="?attr/selectableItemBackground"
-            android:paddingLeft="@dimen/normal_margin"
+            android:paddingStart="@dimen/normal_margin"
             android:paddingTop="@dimen/activity_margin"
-            android:paddingRight="@dimen/normal_margin"
+            android:paddingEnd="@dimen/normal_margin"
             android:paddingBottom="@dimen/activity_margin">
 
             <com.simplemobiletools.commons.views.MySwitchCompat
@@ -297,7 +296,7 @@
                 android:clickable="false"
                 android:paddingStart="@dimen/medium_margin"
                 android:text="@string/show_keyboard"
-                app:switchPadding="@dimen/medium_margin"/>
+                app:switchPadding="@dimen/medium_margin" />
 
         </RelativeLayout>
 
@@ -307,9 +306,9 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="@dimen/medium_margin"
             android:background="?attr/selectableItemBackground"
-            android:paddingLeft="@dimen/normal_margin"
+            android:paddingStart="@dimen/normal_margin"
             android:paddingTop="@dimen/activity_margin"
-            android:paddingRight="@dimen/normal_margin"
+            android:paddingEnd="@dimen/normal_margin"
             android:paddingBottom="@dimen/activity_margin">
 
             <com.simplemobiletools.commons.views.MySwitchCompat
@@ -320,7 +319,7 @@
                 android:clickable="false"
                 android:paddingStart="@dimen/medium_margin"
                 android:text="@string/show_note_picker"
-                app:switchPadding="@dimen/medium_margin"/>
+                app:switchPadding="@dimen/medium_margin" />
 
         </RelativeLayout>
 
@@ -330,9 +329,9 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="@dimen/medium_margin"
             android:background="?attr/selectableItemBackground"
-            android:paddingLeft="@dimen/normal_margin"
+            android:paddingStart="@dimen/normal_margin"
             android:paddingTop="@dimen/activity_margin"
-            android:paddingRight="@dimen/normal_margin"
+            android:paddingEnd="@dimen/normal_margin"
             android:paddingBottom="@dimen/activity_margin">
 
             <com.simplemobiletools.commons.views.MySwitchCompat
@@ -343,7 +342,7 @@
                 android:clickable="false"
                 android:paddingStart="@dimen/medium_margin"
                 android:text="@string/move_undone_checklist_items"
-                app:switchPadding="@dimen/medium_margin"/>
+                app:switchPadding="@dimen/medium_margin" />
 
         </RelativeLayout>
 
@@ -355,7 +354,7 @@
             android:layout_marginTop="@dimen/activity_margin"
             android:text="@string/saving_label"
             android:textAllCaps="true"
-            android:textSize="@dimen/smaller_text_size"/>
+            android:textSize="@dimen/smaller_text_size" />
 
         <RelativeLayout
             android:id="@+id/settings_autosave_notes_holder"
@@ -363,9 +362,9 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="@dimen/medium_margin"
             android:background="?attr/selectableItemBackground"
-            android:paddingLeft="@dimen/normal_margin"
+            android:paddingStart="@dimen/normal_margin"
             android:paddingTop="@dimen/activity_margin"
-            android:paddingRight="@dimen/normal_margin"
+            android:paddingEnd="@dimen/normal_margin"
             android:paddingBottom="@dimen/activity_margin">
 
             <com.simplemobiletools.commons.views.MySwitchCompat
@@ -376,7 +375,7 @@
                 android:clickable="false"
                 android:paddingStart="@dimen/medium_margin"
                 android:text="@string/autosave_notes"
-                app:switchPadding="@dimen/medium_margin"/>
+                app:switchPadding="@dimen/medium_margin" />
 
         </RelativeLayout>
 
@@ -386,9 +385,9 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="@dimen/medium_margin"
             android:background="?attr/selectableItemBackground"
-            android:paddingLeft="@dimen/normal_margin"
+            android:paddingStart="@dimen/normal_margin"
             android:paddingTop="@dimen/activity_margin"
-            android:paddingRight="@dimen/normal_margin"
+            android:paddingEnd="@dimen/normal_margin"
             android:paddingBottom="@dimen/activity_margin">
 
             <com.simplemobiletools.commons.views.MySwitchCompat
@@ -399,7 +398,7 @@
                 android:clickable="false"
                 android:paddingStart="@dimen/medium_margin"
                 android:text="@string/display_success_message"
-                app:switchPadding="@dimen/medium_margin"/>
+                app:switchPadding="@dimen/medium_margin" />
 
         </RelativeLayout>
 
@@ -411,7 +410,7 @@
             android:layout_marginTop="@dimen/activity_margin"
             android:text="@string/widgets"
             android:textAllCaps="true"
-            android:textSize="@dimen/smaller_text_size"/>
+            android:textSize="@dimen/smaller_text_size" />
 
         <RelativeLayout
             android:id="@+id/settings_customize_widget_colors_holder"
@@ -419,9 +418,9 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="@dimen/medium_margin"
             android:background="?attr/selectableItemBackground"
-            android:paddingLeft="@dimen/normal_margin"
+            android:paddingStart="@dimen/normal_margin"
             android:paddingTop="@dimen/activity_margin"
-            android:paddingRight="@dimen/normal_margin"
+            android:paddingEnd="@dimen/normal_margin"
             android:paddingBottom="@dimen/activity_margin">
 
             <com.simplemobiletools.commons.views.MyTextView
@@ -430,7 +429,7 @@
                 android:layout_height="wrap_content"
                 android:layout_centerVertical="true"
                 android:paddingStart="@dimen/medium_margin"
-                android:text="@string/customize_widget_colors"/>
+                android:text="@string/customize_widget_colors" />
 
         </RelativeLayout>
     </LinearLayout>
diff --git a/app/src/main/res/layout/dialog_delete_note.xml b/app/src/main/res/layout/dialog_delete_note.xml
index b240b2ba..1d484246 100644
--- a/app/src/main/res/layout/dialog_delete_note.xml
+++ b/app/src/main/res/layout/dialog_delete_note.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/delete_note_holder"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
@@ -11,20 +10,20 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:padding="@dimen/activity_margin"
-        android:textSize="@dimen/bigger_text_size"/>
+        android:textSize="@dimen/bigger_text_size" />
 
     <com.simplemobiletools.commons.views.MyAppCompatCheckbox
         android:id="@+id/delete_note_checkbox"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_marginLeft="@dimen/activity_margin"
-        android:layout_marginRight="@dimen/activity_margin"
+        android:layout_marginStart="@dimen/activity_margin"
+        android:layout_marginEnd="@dimen/activity_margin"
         android:checked="false"
-        android:paddingBottom="@dimen/small_margin"
-        android:paddingLeft="@dimen/activity_margin"
-        android:paddingRight="@dimen/activity_margin"
+        android:paddingStart="@dimen/activity_margin"
         android:paddingTop="@dimen/small_margin"
+        android:paddingEnd="@dimen/activity_margin"
+        android:paddingBottom="@dimen/small_margin"
         android:text="@string/delete_file_itself"
-        android:visibility="gone"/>
+        android:visibility="gone" />
 
 </LinearLayout>
diff --git a/app/src/main/res/layout/dialog_export_file.xml b/app/src/main/res/layout/dialog_export_file.xml
index c2571b76..f251b918 100644
--- a/app/src/main/res/layout/dialog_export_file.xml
+++ b/app/src/main/res/layout/dialog_export_file.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/export_file_holder"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
@@ -12,51 +11,51 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="@string/path"
-        android:textSize="@dimen/smaller_text_size"/>
+        android:textSize="@dimen/smaller_text_size" />
 
     <com.simplemobiletools.commons.views.MyTextView
         android:id="@+id/file_path"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:paddingBottom="@dimen/activity_margin"
-        android:paddingLeft="@dimen/normal_margin"
-        android:paddingRight="@dimen/small_margin"
-        android:paddingTop="@dimen/small_margin"/>
+        android:paddingStart="@dimen/normal_margin"
+        android:paddingTop="@dimen/small_margin"
+        android:paddingEnd="@dimen/small_margin"
+        android:paddingBottom="@dimen/activity_margin" />
 
     <com.simplemobiletools.commons.views.MyTextView
         android:id="@+id/file_name_label"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="@string/filename"
-        android:textSize="@dimen/smaller_text_size"/>
+        android:textSize="@dimen/smaller_text_size" />
 
     <com.simplemobiletools.commons.views.MyEditText
         android:id="@+id/file_name"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
+        android:layout_marginStart="@dimen/medium_margin"
         android:layout_marginBottom="@dimen/activity_margin"
-        android:layout_marginLeft="@dimen/medium_margin"
         android:inputType="text"
         android:singleLine="true"
         android:textCursorDrawable="@null"
-        android:textSize="@dimen/normal_text_size"/>
+        android:textSize="@dimen/normal_text_size" />
 
     <com.simplemobiletools.commons.views.MyTextView
         android:id="@+id/file_extension_label"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="@string/extension"
-        android:textSize="@dimen/smaller_text_size"/>
+        android:textSize="@dimen/smaller_text_size" />
 
     <com.simplemobiletools.commons.views.MyEditText
         android:id="@+id/file_extension"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
+        android:layout_marginStart="@dimen/medium_margin"
         android:layout_marginBottom="@dimen/activity_margin"
-        android:layout_marginLeft="@dimen/medium_margin"
         android:inputType="text"
         android:singleLine="true"
         android:textCursorDrawable="@null"
-        android:textSize="@dimen/normal_text_size"/>
+        android:textSize="@dimen/normal_text_size" />
 
 </LinearLayout>
diff --git a/app/src/main/res/layout/dialog_export_files.xml b/app/src/main/res/layout/dialog_export_files.xml
index aa6e23c4..0782e6c5 100644
--- a/app/src/main/res/layout/dialog_export_files.xml
+++ b/app/src/main/res/layout/dialog_export_files.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/export_files_holder"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
@@ -12,33 +11,33 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="@string/path"
-        android:textSize="@dimen/smaller_text_size"/>
+        android:textSize="@dimen/smaller_text_size" />
 
     <com.simplemobiletools.commons.views.MyTextView
         android:id="@+id/folder_path"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:paddingBottom="@dimen/activity_margin"
-        android:paddingLeft="@dimen/normal_margin"
-        android:paddingRight="@dimen/small_margin"
-        android:paddingTop="@dimen/small_margin"/>
+        android:paddingStart="@dimen/normal_margin"
+        android:paddingTop="@dimen/small_margin"
+        android:paddingEnd="@dimen/small_margin"
+        android:paddingBottom="@dimen/activity_margin" />
 
     <com.simplemobiletools.commons.views.MyTextView
         android:id="@+id/file_extension_label"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="@string/extension"
-        android:textSize="@dimen/smaller_text_size"/>
+        android:textSize="@dimen/smaller_text_size" />
 
     <com.simplemobiletools.commons.views.MyEditText
         android:id="@+id/file_extension"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
+        android:layout_marginStart="@dimen/medium_margin"
         android:layout_marginBottom="@dimen/activity_margin"
-        android:layout_marginLeft="@dimen/medium_margin"
         android:inputType="text"
         android:singleLine="true"
         android:textCursorDrawable="@null"
-        android:textSize="@dimen/normal_text_size"/>
+        android:textSize="@dimen/normal_text_size" />
 
 </LinearLayout>
diff --git a/app/src/main/res/layout/dialog_import_folder.xml b/app/src/main/res/layout/dialog_import_folder.xml
index ab434c9e..61c73d31 100644
--- a/app/src/main/res/layout/dialog_import_folder.xml
+++ b/app/src/main/res/layout/dialog_import_folder.xml
@@ -1,31 +1,30 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/open_file_holder"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical"
-    android:paddingLeft="@dimen/activity_margin"
+    android:paddingStart="@dimen/activity_margin"
     android:paddingTop="@dimen/activity_margin"
-    android:paddingRight="@dimen/activity_margin">
+    android:paddingEnd="@dimen/activity_margin">
 
     <com.simplemobiletools.commons.views.MyTextView
         android:id="@+id/open_file_filename_label"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="@string/folder"
-        android:textSize="@dimen/smaller_text_size"/>
+        android:textSize="@dimen/smaller_text_size" />
 
     <com.simplemobiletools.commons.views.MyTextView
         android:id="@+id/open_file_filename"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_marginLeft="@dimen/activity_margin"
+        android:layout_marginStart="@dimen/activity_margin"
         android:layout_marginBottom="@dimen/activity_margin"
         android:paddingTop="@dimen/small_margin"
-        android:paddingRight="@dimen/small_margin"
-        tools:text="myfile.txt"/>
+        android:paddingEnd="@dimen/small_margin"
+        tools:text="myfile.txt" />
 
     <RadioGroup
         android:id="@+id/open_file_type"
@@ -39,7 +38,7 @@
             android:checked="true"
             android:paddingTop="@dimen/activity_margin"
             android:paddingBottom="@dimen/activity_margin"
-            android:text="@string/update_file_at_note"/>
+            android:text="@string/update_file_at_note" />
 
         <com.simplemobiletools.commons.views.MyCompatRadioButton
             android:id="@+id/open_file_content_only"
@@ -47,7 +46,7 @@
             android:layout_height="wrap_content"
             android:paddingTop="@dimen/activity_margin"
             android:paddingBottom="@dimen/activity_margin"
-            android:text="@string/only_import_file_content"/>
+            android:text="@string/only_import_file_content" />
 
     </RadioGroup>
 </LinearLayout>
diff --git a/app/src/main/res/layout/dialog_new_checklist_item.xml b/app/src/main/res/layout/dialog_new_checklist_item.xml
index 535da69d..e8be88db 100644
--- a/app/src/main/res/layout/dialog_new_checklist_item.xml
+++ b/app/src/main/res/layout/dialog_new_checklist_item.xml
@@ -4,9 +4,9 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical"
-    android:paddingLeft="@dimen/activity_margin"
+    android:paddingStart="@dimen/activity_margin"
     android:paddingTop="@dimen/activity_margin"
-    android:paddingRight="@dimen/activity_margin">
+    android:paddingEnd="@dimen/activity_margin">
 
     <com.simplemobiletools.commons.views.MyEditText
         android:id="@+id/checklist_item_title_1"
diff --git a/app/src/main/res/layout/dialog_new_note.xml b/app/src/main/res/layout/dialog_new_note.xml
index a1a536f3..9fc0e333 100644
--- a/app/src/main/res/layout/dialog_new_note.xml
+++ b/app/src/main/res/layout/dialog_new_note.xml
@@ -1,13 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/dialog_holder"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical"
-    android:paddingLeft="@dimen/activity_margin"
+    android:paddingStart="@dimen/activity_margin"
     android:paddingTop="@dimen/small_margin"
-    android:paddingRight="@dimen/activity_margin">
+    android:paddingEnd="@dimen/activity_margin">
 
     <com.simplemobiletools.commons.views.MyEditText
         android:id="@+id/note_title"
@@ -16,14 +15,14 @@
         android:layout_marginBottom="@dimen/activity_margin"
         android:inputType="textCapSentences"
         android:textCursorDrawable="@null"
-        android:textSize="@dimen/normal_text_size"/>
+        android:textSize="@dimen/normal_text_size" />
 
     <com.simplemobiletools.commons.views.MyTextView
         android:id="@+id/new_note_type_label"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:paddingTop="@dimen/medium_margin"
-        android:text="@string/new_note_type"/>
+        android:text="@string/new_note_type" />
 
     <RadioGroup
         android:id="@+id/new_note_type"
@@ -37,7 +36,7 @@
             android:checked="true"
             android:paddingTop="@dimen/normal_margin"
             android:paddingBottom="@dimen/normal_margin"
-            android:text="@string/text_note"/>
+            android:text="@string/text_note" />
 
         <com.simplemobiletools.commons.views.MyCompatRadioButton
             android:id="@+id/type_checklist"
@@ -45,7 +44,7 @@
             android:layout_height="wrap_content"
             android:paddingTop="@dimen/normal_margin"
             android:paddingBottom="@dimen/normal_margin"
-            android:text="@string/checklist"/>
+            android:text="@string/checklist" />
 
     </RadioGroup>
 </LinearLayout>
diff --git a/app/src/main/res/layout/dialog_open_file.xml b/app/src/main/res/layout/dialog_open_file.xml
index f0154297..f7a53206 100644
--- a/app/src/main/res/layout/dialog_open_file.xml
+++ b/app/src/main/res/layout/dialog_open_file.xml
@@ -1,29 +1,28 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/open_file_holder"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical"
-    android:paddingLeft="@dimen/activity_margin"
+    android:paddingStart="@dimen/activity_margin"
     android:paddingTop="@dimen/activity_margin"
-    android:paddingRight="@dimen/activity_margin">
+    android:paddingEnd="@dimen/activity_margin">
 
     <com.simplemobiletools.commons.views.MyTextView
         android:id="@+id/open_file_filename_label"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="@string/filename"
-        android:textSize="@dimen/smaller_text_size"/>
+        android:textSize="@dimen/smaller_text_size" />
 
     <com.simplemobiletools.commons.views.MyTextView
         android:id="@+id/open_file_filename"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_marginLeft="@dimen/activity_margin"
+        android:layout_marginStart="@dimen/activity_margin"
         android:layout_marginBottom="@dimen/activity_margin"
         android:paddingTop="@dimen/small_margin"
-        android:paddingRight="@dimen/small_margin"/>
+        android:paddingEnd="@dimen/small_margin" />
 
     <RadioGroup
         android:id="@+id/open_file_type"
@@ -37,7 +36,7 @@
             android:checked="true"
             android:paddingTop="@dimen/normal_margin"
             android:paddingBottom="@dimen/normal_margin"
-            android:text="@string/update_file_at_note"/>
+            android:text="@string/update_file_at_note" />
 
         <com.simplemobiletools.commons.views.MyCompatRadioButton
             android:id="@+id/open_file_content_only"
@@ -45,7 +44,7 @@
             android:layout_height="wrap_content"
             android:paddingTop="@dimen/normal_margin"
             android:paddingBottom="@dimen/normal_margin"
-            android:text="@string/only_import_file_content"/>
+            android:text="@string/only_import_file_content" />
 
     </RadioGroup>
 </LinearLayout>
diff --git a/app/src/main/res/layout/dialog_open_note.xml b/app/src/main/res/layout/dialog_open_note.xml
index 7085c174..f8958efc 100644
--- a/app/src/main/res/layout/dialog_open_note.xml
+++ b/app/src/main/res/layout/dialog_open_note.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<ScrollView
-    xmlns:android="http://schemas.android.com/apk/res/android"
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/dialog_open_note_holder"
     android:layout_width="match_parent"
     android:layout_height="wrap_content">
diff --git a/app/src/main/res/layout/dialog_rename_checklist_item.xml b/app/src/main/res/layout/dialog_rename_checklist_item.xml
index 78d319f4..8b248645 100644
--- a/app/src/main/res/layout/dialog_rename_checklist_item.xml
+++ b/app/src/main/res/layout/dialog_rename_checklist_item.xml
@@ -1,13 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/dialog_holder"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical"
-    android:paddingLeft="@dimen/activity_margin"
+    android:paddingStart="@dimen/activity_margin"
     android:paddingTop="@dimen/activity_margin"
-    android:paddingRight="@dimen/activity_margin">
+    android:paddingEnd="@dimen/activity_margin">
 
     <com.simplemobiletools.commons.views.MyEditText
         android:id="@+id/checklist_item_title"
@@ -17,6 +16,6 @@
         android:layout_marginBottom="@dimen/small_margin"
         android:inputType="textCapSentences"
         android:textCursorDrawable="@null"
-        android:textSize="@dimen/bigger_text_size"/>
+        android:textSize="@dimen/bigger_text_size" />
 
 </LinearLayout>
diff --git a/app/src/main/res/layout/dialog_rename_note.xml b/app/src/main/res/layout/dialog_rename_note.xml
index 9b9b4d4c..fcf82e8f 100644
--- a/app/src/main/res/layout/dialog_rename_note.xml
+++ b/app/src/main/res/layout/dialog_rename_note.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/dialog_holder"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
@@ -15,5 +14,6 @@
         android:inputType="textCapSentences"
         android:singleLine="true"
         android:textCursorDrawable="@null"
-        android:textSize="@dimen/normal_text_size"/>
+        android:textSize="@dimen/normal_text_size" />
+
 </LinearLayout>
diff --git a/app/src/main/res/layout/fragment_text.xml b/app/src/main/res/layout/fragment_text.xml
index f3a3b6e6..c88bd861 100644
--- a/app/src/main/res/layout/fragment_text.xml
+++ b/app/src/main/res/layout/fragment_text.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/note_fragment_holder"
     android:layout_width="match_parent"
@@ -24,9 +23,10 @@
         android:id="@+id/notes_counter"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_alignParentBottom="true"
         android:layout_alignParentEnd="true"
+        android:layout_alignParentBottom="true"
         android:padding="@dimen/small_margin"
         android:textStyle="italic"
-        tools:text="123"/>
+        tools:text="123" />
+
 </RelativeLayout>
diff --git a/app/src/main/res/layout/item_checklist.xml b/app/src/main/res/layout/item_checklist.xml
index f6c7cc88..daf88a2e 100644
--- a/app/src/main/res/layout/item_checklist.xml
+++ b/app/src/main/res/layout/item_checklist.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/checklist_holder"
@@ -27,7 +26,7 @@
         android:id="@+id/checklist_image"
         android:layout_width="@dimen/checklist_image_size"
         android:layout_height="@dimen/checklist_image_size"
-        android:padding="@dimen/normal_margin"
+        android:padding="@dimen/activity_margin"
         android:src="@drawable/ic_cross_vector"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toStartOf="@+id/checklist_drag_handle"
diff --git a/app/src/main/res/layout/item_checklist_widget.xml b/app/src/main/res/layout/item_checklist_widget.xml
index 220519fb..3753b837 100644
--- a/app/src/main/res/layout/item_checklist_widget.xml
+++ b/app/src/main/res/layout/item_checklist_widget.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<TextView
-    xmlns:android="http://schemas.android.com/apk/res/android"
+<TextView xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/checklist_title"
     android:layout_width="match_parent"
diff --git a/app/src/main/res/layout/note_view_static.xml b/app/src/main/res/layout/note_view_static.xml
index a750b9fa..dc24e716 100644
--- a/app/src/main/res/layout/note_view_static.xml
+++ b/app/src/main/res/layout/note_view_static.xml
@@ -1,14 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
-<com.simplemobiletools.commons.views.MyEditText
-    xmlns:android="http://schemas.android.com/apk/res/android"
+<com.simplemobiletools.commons.views.MyEditText xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/text_note_view"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:background="@null"
     android:freezesText="true"
-    android:hint="@string/insert_text_here"
     android:gravity="top"
+    android:hint="@string/insert_text_here"
     android:inputType="textCapSentences|textMultiLine"
     android:padding="@dimen/activity_margin"
     android:scrollbars="vertical"
-    android:textCursorDrawable="@null"/>
+    android:textCursorDrawable="@null" />
diff --git a/app/src/main/res/layout/open_note_item.xml b/app/src/main/res/layout/open_note_item.xml
index 9ec51d28..e76e7176 100644
--- a/app/src/main/res/layout/open_note_item.xml
+++ b/app/src/main/res/layout/open_note_item.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/open_note_item_holder"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
@@ -10,7 +9,7 @@
         android:id="@+id/open_note_item_radio_button"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_toStartOf="@+id/open_note_item_icon"/>
+        android:layout_toStartOf="@+id/open_note_item_icon" />
 
     <ImageView
         android:id="@+id/open_note_item_icon"
@@ -19,6 +18,6 @@
         android:layout_alignParentEnd="true"
         android:layout_marginEnd="@dimen/small_margin"
         android:padding="@dimen/small_margin"
-        android:src="@drawable/ic_attach_file_vector"/>
+        android:src="@drawable/ic_attach_file_vector" />
 
 </RelativeLayout>
diff --git a/app/src/main/res/layout/widget_config.xml b/app/src/main/res/layout/widget_config.xml
index f0345362..67692bfe 100644
--- a/app/src/main/res/layout/widget_config.xml
+++ b/app/src/main/res/layout/widget_config.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/notes_holder"
     android:layout_width="match_parent"
@@ -19,7 +18,7 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginBottom="@dimen/normal_margin"
-            android:text="@string/note_shown_widget"/>
+            android:text="@string/note_shown_widget" />
 
         <com.simplemobiletools.commons.views.MyTextView
             android:id="@+id/notes_picker_value"
@@ -28,7 +27,7 @@
             android:layout_below="@+id/notes_picker_label"
             android:background="@drawable/button_background"
             android:padding="@dimen/normal_margin"
-            android:text="@string/general_note"/>
+            android:text="@string/general_note" />
 
     </RelativeLayout>
 
@@ -42,7 +41,7 @@
         android:background="@null"
         android:gravity="top"
         android:padding="@dimen/activity_margin"
-        android:text="@string/widget_config"/>
+        android:text="@string/widget_config" />
 
     <com.simplemobiletools.commons.views.MyRecyclerView
         android:id="@+id/checklist_note_view"
@@ -55,13 +54,13 @@
         android:overScrollMode="never"
         android:paddingTop="@dimen/small_margin"
         android:visibility="gone"
-        app:layoutManager="com.simplemobiletools.commons.views.MyLinearLayoutManager"/>
+        app:layoutManager="com.simplemobiletools.commons.views.MyLinearLayoutManager" />
 
     <ImageView
         android:id="@+id/config_bg_color"
         android:layout_width="@dimen/widget_colorpicker_size"
         android:layout_height="@dimen/widget_colorpicker_size"
-        android:layout_above="@+id/config_text_color"/>
+        android:layout_above="@+id/config_text_color" />
 
     <RelativeLayout
         android:id="@+id/config_bg_seekbar_holder"
@@ -70,7 +69,6 @@
         android:layout_alignTop="@+id/config_bg_color"
         android:layout_alignBottom="@+id/config_bg_color"
         android:layout_toEndOf="@+id/config_bg_color"
-        android:layout_toRightOf="@+id/config_bg_color"
         android:background="@android:color/white">
 
         <SeekBar
@@ -78,15 +76,15 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_centerVertical="true"
-            android:paddingLeft="@dimen/activity_margin"
-            android:paddingRight="@dimen/activity_margin"/>
+            android:paddingStart="@dimen/activity_margin"
+            android:paddingEnd="@dimen/activity_margin" />
     </RelativeLayout>
 
     <ImageView
         android:id="@+id/config_text_color"
         android:layout_width="@dimen/widget_colorpicker_size"
         android:layout_height="@dimen/widget_colorpicker_size"
-        android:layout_alignParentBottom="true"/>
+        android:layout_alignParentBottom="true" />
 
     <Button
         android:id="@+id/config_save"
@@ -95,12 +93,11 @@
         android:layout_alignTop="@+id/config_text_color"
         android:layout_alignBottom="@+id/config_text_color"
         android:layout_alignParentEnd="true"
-        android:layout_alignParentRight="true"
         android:fontFamily="sans-serif-light"
-        android:paddingLeft="@dimen/activity_margin"
-        android:paddingRight="@dimen/activity_margin"
+        android:paddingStart="@dimen/activity_margin"
+        android:paddingEnd="@dimen/activity_margin"
         android:text="@string/ok"
         android:textColor="@android:color/white"
-        android:textSize="@dimen/big_text_size"/>
+        android:textSize="@dimen/big_text_size" />
 
 </RelativeLayout>
diff --git a/app/src/main/res/layout/widget_text_layout.xml b/app/src/main/res/layout/widget_text_layout.xml
index 5605970d..dcdabc3b 100644
--- a/app/src/main/res/layout/widget_text_layout.xml
+++ b/app/src/main/res/layout/widget_text_layout.xml
@@ -9,7 +9,7 @@
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:background="@null"
-        android:gravity="left"
+        android:gravity="start"
         android:padding="@dimen/small_margin"
         android:visibility="gone" />
 
@@ -27,7 +27,7 @@
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:background="@null"
-        android:gravity="right"
+        android:gravity="end"
         android:padding="@dimen/small_margin"
         android:visibility="gone" />