fix sorting in case of same first name

app/src/main/kotlin/com/simplemobiletools/contacts/adapters/ContactsAdapter.kt

@@ -236,7 +236,7 @@ class ContactsAdapter(activity: SimpleActivity, var contactItems: ArrayList<Cont
 
     private fun setupView(view: View, contact: Contact) {
         view.apply {
-            contact_name.text = contact.getFullName(startNameWithSurname)
+            contact_name.text = contact.getFullName()
             contact_name.setTextColor(textColor)
             contact_name.setPadding(if (showContactThumbnails) smallPadding else bigPadding, smallPadding, smallPadding, 0)
 

app/src/main/kotlin/com/simplemobiletools/contacts/adapters/SelectContactsAdapter.kt

@@ -30,7 +30,6 @@ class SelectContactsAdapter(val activity: SimpleActivity, val contacts: List<Con
     private val config = activity.config
     private val textColor = config.textColor
     private val contactDrawable = activity.resources.getColoredDrawableWithColor(R.drawable.ic_person, textColor)
-    private val startNameWithSurname = config.startNameWithSurname
     private val showContactThumbnails = config.showContactThumbnails
     private val itemLayout = if (config.showPhoneNumbers) R.layout.item_add_favorite_with_number else R.layout.item_add_favorite_without_number
 
@@ -80,7 +79,7 @@ class SelectContactsAdapter(val activity: SimpleActivity, val contacts: List<Con
 
     override fun onBindViewHolder(holder: ViewHolder, position: Int) {
         val eventType = contacts[position]
-        itemViews.put(position, holder.bindView(eventType, startNameWithSurname, contactDrawable, config, showContactThumbnails, smallPadding, bigPadding))
+        itemViews.put(position, holder.bindView(eventType, contactDrawable, config, showContactThumbnails, smallPadding, bigPadding))
         toggleItemSelection(selectedPositions.contains(position), position)
     }
 
@@ -88,14 +87,14 @@ class SelectContactsAdapter(val activity: SimpleActivity, val contacts: List<Con
 
     class ViewHolder(view: View, private val adapterListener: MyAdapterListener, val activity: SimpleActivity, private val showCheckbox: Boolean,
                      private val itemClick: ((Contact) -> Unit)?) : RecyclerView.ViewHolder(view) {
-        fun bindView(contact: Contact, startNameWithSurname: Boolean, contactDrawable: Drawable, config: Config, showContactThumbnails: Boolean,
+        fun bindView(contact: Contact, contactDrawable: Drawable, config: Config, showContactThumbnails: Boolean,
                      smallPadding: Int, bigPadding: Int): View {
             itemView.apply {
                 contact_checkbox.beVisibleIf(showCheckbox)
                 contact_checkbox.setColors(config.textColor, context.getAdjustedPrimaryColor(), config.backgroundColor)
                 val textColor = config.textColor
 
-                contact_name.text = contact.getFullName(startNameWithSurname)
+                contact_name.text = contact.getFullName()
                 contact_name.setTextColor(textColor)
                 contact_name.setPadding(if (showContactThumbnails) smallPadding else bigPadding, smallPadding, smallPadding, 0)
 

app/src/main/kotlin/com/simplemobiletools/contacts/fragments/MyViewPagerFragment.kt

@@ -233,7 +233,7 @@ abstract class MyViewPagerFragment(context: Context, attributeSet: AttributeSet)
     fun onSearchQueryChanged(text: String) {
         (fragment_list.adapter as? ContactsAdapter)?.apply {
             val filtered = contactsIgnoringSearch.filter {
-                it.getFullName(startNameWithSurname).contains(text, true) ||
+                it.getFullName().contains(text, true) ||
                         it.phoneNumbers.any { it.value.contains(text, true) } ||
                         it.emails.any { it.value.contains(text, true) } ||
                         it.addresses.any { it.value.contains(text, true) } ||
@@ -243,8 +243,9 @@ abstract class MyViewPagerFragment(context: Context, attributeSet: AttributeSet)
             } as ArrayList
 
             Contact.sorting = config.sorting
+            Contact.startWithSurname = config.startNameWithSurname
             filtered.sort()
-            filtered.sortBy { !it.getFullName(startNameWithSurname).startsWith(text, true) }
+            filtered.sortBy { !it.getFullName().startsWith(text, true) }
 
             if (filtered.isEmpty() && this@MyViewPagerFragment is FavoritesFragment) {
                 fragment_placeholder.text = activity.getString(R.string.no_items_found)

app/src/main/kotlin/com/simplemobiletools/contacts/models/Contact.kt

@@ -11,13 +11,44 @@ data class Contact(val id: Int, var prefix: String, var firstName: String, var m
                    var groups: ArrayList<Group>, var organization: Organization) : Comparable<Contact> {
     companion object {
         var sorting = 0
+        var startWithSurname = false
     }
 
     override fun compareTo(other: Contact): Int {
-        var result = when {
-            sorting and SORT_BY_FIRST_NAME != 0 -> compareStrings(firstName, other.firstName)
-            sorting and SORT_BY_MIDDLE_NAME != 0 -> compareStrings(middleName, other.middleName)
-            else -> compareStrings(surname, other.surname)
+        val firstString: String
+        val secondString: String
+
+        when {
+            sorting and SORT_BY_FIRST_NAME != 0 -> {
+                firstString = firstName
+                secondString = other.firstName
+            }
+            sorting and SORT_BY_MIDDLE_NAME != 0 -> {
+                firstString = middleName
+                secondString = other.middleName
+            }
+            else -> {
+                firstString = surname
+                secondString = other.surname
+            }
+        }
+
+        var result = if (firstString.firstOrNull()?.isLetter() == true && secondString.firstOrNull()?.isLetter() == false) {
+            -1
+        } else if (firstString.firstOrNull()?.isLetter() == false && secondString.firstOrNull()?.isLetter() == true) {
+            1
+        } else {
+            if (firstString.isEmpty() && secondString.isNotEmpty()) {
+                1
+            } else if (firstString.isNotEmpty() && secondString.isEmpty()) {
+                -1
+            } else {
+                if (firstString.toLowerCase() == secondString.toLowerCase()) {
+                    getFullName().compareTo(other.getFullName())
+                } else {
+                    firstString.toLowerCase().compareTo(secondString.toLowerCase())
+                }
+            }
         }
 
         if (sorting and SORT_DESCENDING != 0) {
@@ -33,7 +64,7 @@ data class Contact(val id: Int, var prefix: String, var firstName: String, var m
         else -> surname
     }
 
-    fun getFullName(startWithSurname: Boolean): String {
+    fun getFullName(): String {
         var firstPart = if (startWithSurname) surname else firstName
         if (middleName.isNotEmpty()) {
             firstPart += " $middleName"
@@ -43,20 +74,4 @@ data class Contact(val id: Int, var prefix: String, var firstName: String, var m
         val suffixComma = if (suffix.isEmpty()) "" else ", $suffix"
         return "$prefix $firstPart $lastPart$suffixComma".trim()
     }
-
-    private fun compareStrings(first: String, second: String): Int {
-        return if (first.firstOrNull()?.isLetter() == true && second.firstOrNull()?.isLetter() == false) {
-            -1
-        } else if (first.firstOrNull()?.isLetter() == false && second.firstOrNull()?.isLetter() == true) {
-            1
-        } else {
-            if (first.isEmpty() && second.isNotEmpty()) {
-                1
-            } else if (first.isNotEmpty() && second.isEmpty()) {
-                -1
-            } else {
-                first.toLowerCase().compareTo(second.toLowerCase())
-            }
-        }
-    }
 }