replaced account menu with save (check) icon

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

@@ -116,14 +116,14 @@ class AccountActivity : AppCompatActivity() {
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
         super.onCreateOptionsMenu(menu)
         val inflater = menuInflater
-        inflater.inflate(R.menu.edit_menu, menu)
+        inflater.inflate(R.menu.check_icon, menu)
         return true
     }
 
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
-        val intent = Intent(this, MainActivity::class.java)
-        when (item.itemId) {
-            R.id.save -> {
+
+        if (item.itemId == R.id.checkIcon) {
+
             val dn = displayName.text.toString().trim()
             if (dn != acc.displayName) {
                 if (checkDisplayName(dn)) {
@@ -218,7 +218,7 @@ class AccountActivity : AppCompatActivity() {
                 return false
             }
 
-                val ac = ArrayList(LinkedHashSet<String>(newCodecs.filter{it != ""} as ArrayList<String>))
+            val ac = ArrayList(LinkedHashSet<String>(newCodecs.filter { it != "" } as ArrayList<String>))
             if (ac != acc.audioCodec) {
                 Log.d("Baresip", "New codecs ${newCodecs.filter { it != "" }}")
                 val acParam = ";audio_codecs=" + Utils.implode(ac, ",")
@@ -260,19 +260,9 @@ class AccountActivity : AppCompatActivity() {
             setResult(RESULT_OK, intent)
             finish()
             return true
-            }
-            R.id.cancel, android.R.id.home -> {
-                intent.putExtra("action", "cancel")
-                if (acc.regint > 0) {
-                    Log.d("Baresip", "Registering ${acc.aor}")
-                    UserAgent.ua_register(Account.findUA(acc.aor)!!.uap)
-                }
-                setResult(RESULT_OK, intent)
-                finish()
-                return true
-            }
-            else -> return super.onOptionsItemSelected(item)
-        }
+
+        } else
+            return super.onOptionsItemSelected(item)
     }
 
     private fun checkDisplayName(dn: String): Boolean {

app/src/main/res/menu/check_icon.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <item
+        android:id="@+id/checkIcon"
+        android:title=""
+        app:showAsAction="always"
+        android:icon="@drawable/ic_action_check"
+        />
+
+</menu>