Improved checking if URI belongs to a contact.

app/src/main/kotlin/com/tutpro/baresip/ContactsActivity.kt

@@ -109,10 +109,15 @@ class ContactsActivity : AppCompatActivity() {
         }
 
         fun contactName(uri: String): String {
-            for (c in Contact.contacts())
+            val uriUser = Utils.uriUserPart(uri)
-                if ((Utils.uriUserPart(c.uri) == Utils.uriUserPart(uri)) &&
+            val uriHost = Utils.uriHostPart(uri)
-                        (Utils.uriHostPart(c.uri) == Utils.uriHostPart(uri)))
+            for (c in Contact.contacts()) {
+                val contactUser = Utils.uriUserPart(c.uri)
+                if ((contactUser == uriUser) &&
+                        (Utils.isE164Number(contactUser) ||
+                                (Utils.uriHostPart(c.uri) == uriHost)))
                     return c.name
+            }
             return uri
         }
     }

app/src/main/kotlin/com/tutpro/baresip/Utils.kt

@@ -84,16 +84,15 @@ object Utils {
         var u = uri
         if (uri.startsWith("<") && (uri.endsWith(">")))
             u = uri.substring(1).substringBeforeLast(">")
-        if (u.contains("@") && !u.substring(4).contains(":") &&
+        if (u.contains("@")) {
-                !u.contains(";")) {
             val user = uriUserPart(u)
             val host = uriHostPart(u)
-            if (checkE164Number(user) || (host == domain))
+            return if (isE164Number(user) || (host == domain))
-                return user
+                user
             else
-                return "$user@$host"
+                "$user@$host"
         } else {
-            return uri
+            return u
         }
     }
 
@@ -139,7 +138,7 @@ object Utils {
             return checkPort(pt[0]) && pt[1] in arrayOf("udp", "tcp", "tls")
     }
 
-    private fun checkE164Number(no: String): Boolean {
+    fun isE164Number(no: String): Boolean {
         return Regex("^[+][1-9][0-9]{0,14}\$").matches(no)
     }