Added high data usage warnings

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

@@ -515,6 +515,19 @@
                     app:layout_constraintStart_toStartOf="parent"
                     app:layout_constraintTop_toBottomOf="@id/swUnseen" />
 
+                <eu.faircode.email.FixedTextView
+                    android:id="@+id/tvUnseenHintData"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_marginEnd="48dp"
+                    android:text="@string/title_advanced_data_usage"
+                    android:textAppearance="@style/TextAppearance.AppCompat.Small"
+                    android:textColor="?attr/colorWarning"
+                    android:textStyle="italic"
+                    app:layout_constraintEnd_toEndOf="parent"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintTop_toBottomOf="@id/tvUnseenHint" />
+
                 <androidx.appcompat.widget.SwitchCompat
                     android:id="@+id/swFlagged"
                     android:layout_width="0dp"
@@ -524,7 +537,7 @@
                     android:text="@string/title_advanced_flagged"
                     app:layout_constraintEnd_toEndOf="parent"
                     app:layout_constraintStart_toStartOf="parent"
-                    app:layout_constraintTop_toBottomOf="@id/tvUnseenHint"
+                    app:layout_constraintTop_toBottomOf="@id/tvUnseenHintData"
                     app:switchPadding="12dp" />
 
                 <eu.faircode.email.FixedTextView
@@ -539,6 +552,19 @@
                     app:layout_constraintStart_toStartOf="parent"
                     app:layout_constraintTop_toBottomOf="@id/swFlagged" />
 
+                <eu.faircode.email.FixedTextView
+                    android:id="@+id/tvFlaggedHintData"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_marginEnd="48dp"
+                    android:text="@string/title_advanced_data_usage"
+                    android:textAppearance="@style/TextAppearance.AppCompat.Small"
+                    android:textColor="?attr/colorWarning"
+                    android:textStyle="italic"
+                    app:layout_constraintEnd_toEndOf="parent"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintTop_toBottomOf="@id/tvFlaggedHint" />
+
                 <androidx.appcompat.widget.SwitchCompat
                     android:id="@+id/swDeleteUnseen"
                     android:layout_width="0dp"
@@ -547,7 +573,7 @@
                     android:text="@string/title_advanced_delete_unseen"
                     app:layout_constraintEnd_toEndOf="parent"
                     app:layout_constraintStart_toStartOf="parent"
-                    app:layout_constraintTop_toBottomOf="@id/tvFlaggedHint"
+                    app:layout_constraintTop_toBottomOf="@id/tvFlaggedHintData"
                     app:switchPadding="12dp" />
 
                 <eu.faircode.email.FixedTextView

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

@@ -788,6 +788,7 @@
     <string name="title_advanced_quick_sync_hint">This reduces data usage, but new messages might be missed if the email server doesn\'t follow the standards</string>
     <string name="title_advanced_no_date_hint">Some providers store messages with an unknown, invalid or future date as messages without date</string>
     <string name="title_advanced_unseen_hint">Some providers don\'t support this properly, which may cause synchronizing none or all messages</string>
+    <string name="title_advanced_data_usage">This can cause high data usage!</string>
     <string name="title_advanced_deleted_unseen">When disabled, unread messages are kept on the device forever</string>
     <string name="title_advanced_sync_kept_hint">This will transfer extra data and consume extra battery power, especially if a lot of messages are stored on the device</string>
     <string name="title_advanced_gmail_thread_hint">This only applies to newly received messages and can break existing groups</string>