store the local account type in shared prefs

app/src/main/kotlin/com/simplemobiletools/contacts/activities/MainActivity.kt

@@ -51,6 +51,7 @@ class MainActivity : SimpleActivity(), RefreshContactsListener {
         setContentView(R.layout.activity_main)
         appLaunched()
         setupTabColors()
+        storeLocalAccountType()
 
         handlePermission(PERMISSION_READ_CONTACTS) {
             if (it) {
@@ -214,6 +215,30 @@ class MainActivity : SimpleActivity(), RefreshContactsListener {
         }
     }
 
+    private fun storeLocalAccountType() {
+        if (config.localAccountType == "-1") {
+            // some manufacturer contact account types from https://stackoverflow.com/a/44802016/1967672
+            val localAccountTypes = arrayListOf("vnd.sec.contact.phone",
+                    "com.htc.android.pcsc",
+                    "com.sonyericsson.localcontacts",
+                    "com.lge.sync",
+                    "com.lge.phone",
+                    "vnd.tmobileus.contact.phone",
+                    "com.android.huawei.phone",
+                    "Local Phone Account")
+
+            ContactsHelper(this).getContactTypes {
+                var localAccountType = ""
+                it.forEach {
+                    if (localAccountTypes.contains(it)) {
+                        localAccountType = it
+                    }
+                }
+                config.localAccountType = localAccountType
+            }
+        }
+    }
+
     private fun getOtherViewPagerItem(used: Int) = if (used == 1) 0 else 1
 
     private fun initFragments() {

app/src/main/kotlin/com/simplemobiletools/contacts/helpers/Config.kt

@@ -43,4 +43,8 @@ class Config(context: Context) : BaseConfig(context) {
     var lastUsedViewPagerPage: Int
         get() = prefs.getInt(LAST_USED_VIEW_PAGER_PAGE, 0)
         set(lastUsedViewPagerPage) = prefs.edit().putInt(LAST_USED_VIEW_PAGER_PAGE, lastUsedViewPagerPage).apply()
+
+    var localAccountType: String
+        get() = prefs.getString(LOCAL_ACCOUNT_TYPE, "-1")
+        set(localAccountType) = prefs.edit().putString(LOCAL_ACCOUNT_TYPE, localAccountType).apply()
 }

app/src/main/kotlin/com/simplemobiletools/contacts/helpers/Constants.kt

@@ -10,6 +10,7 @@ const val DISPLAY_CONTACT_SOURCES = "display_contact_sources"
 const val START_NAME_WITH_SURNAME = "start_name_with_surname"
 const val LAST_USED_CONTACT_SOURCE = "last_used_contact_source"
 const val LAST_USED_VIEW_PAGER_PAGE = "last_used_view_pager_page"
+const val LOCAL_ACCOUNT_TYPE = "local_account_type"
 
 const val CONTACT_ID = "contact_id"
 

app/src/main/kotlin/com/simplemobiletools/contacts/helpers/ContactsHelper.kt

@@ -252,6 +252,29 @@ class ContactsHelper(val activity: BaseSimpleActivity) {
         }.start()
     }
 
+    fun getContactTypes(callback: (ArrayList<String>) -> Unit) {
+        val accounts = HashSet<String>()
+        Thread {
+            val uri = ContactsContract.RawContacts.CONTENT_URI
+            val projection = arrayOf(ContactsContract.RawContacts.ACCOUNT_TYPE)
+
+            var cursor: Cursor? = null
+            try {
+                cursor = activity.contentResolver.query(uri, projection, null, null, null)
+                if (cursor?.moveToFirst() == true) {
+                    do {
+                        val type = cursor.getStringValue(ContactsContract.RawContacts.ACCOUNT_TYPE) ?: continue
+                        accounts.add(type)
+                    } while (cursor.moveToNext())
+                }
+            } finally {
+                cursor?.close()
+            }
+
+            callback(ArrayList(accounts))
+        }.start()
+    }
+
     private fun getContactSourceType(accountName: String): String {
         if (accountName.isEmpty()) {
             return ""