show a toast message when trying to call someone without phone number

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

@@ -163,7 +163,12 @@ class MainActivity : SimpleActivity(), RefreshRecyclerViewListener {
         if (currAdapter == null) {
             ContactsAdapter(this, contacts, this, contacts_list) {
                 if (config.callContact) {
-                    tryStartCall(it as Contact)
+                    val contact = it as Contact
+                    if (contact.phoneNumbers.isNotEmpty()) {
+                        tryStartCall(it)
+                    } else {
+                        toast(R.string.no_phone_number_found)
+                    }
                 } else {
                     openContact(it as Contact)
                 }

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

@@ -31,6 +31,7 @@
     <string name="work_fax">Arbeit Fax</string>
     <string name="home_fax">Privat Fax</string>
     <string name="pager">Pager</string>
+    <string name="no_phone_number_found">No phone number has been found</string>
 
     <!-- Events -->
     <string name="birthday">Geburtstag</string>

app/src/main/res/values-ko-rKR/strings.xml

@@ -31,6 +31,7 @@
     <string name="work_fax">Work Fax</string>
     <string name="home_fax">Home Fax</string>
     <string name="pager">Pager</string>
+    <string name="no_phone_number_found">No phone number has been found</string>
 
     <!-- Events -->
     <string name="birthday">Birthday</string>

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

@@ -31,6 +31,7 @@
     <string name="work_fax">Work Fax</string>
     <string name="home_fax">Home Fax</string>
     <string name="pager">Pager</string>
+    <string name="no_phone_number_found">No phone number has been found</string>
 
     <!-- Events -->
     <string name="birthday">Birthday</string>

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

@@ -31,6 +31,7 @@
     <string name="work_fax">Pracovný fax</string>
     <string name="home_fax">Domáci fax</string>
     <string name="pager">Pager</string>
+    <string name="no_phone_number_found">Nenašlo sa žiadne telefónne číslo</string>
 
     <!-- Events -->
     <string name="birthday">Narodeniny</string>

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

@@ -31,6 +31,7 @@
     <string name="work_fax">Work Fax</string>
     <string name="home_fax">Home Fax</string>
     <string name="pager">Pager</string>
+    <string name="no_phone_number_found">No phone number has been found</string>
 
     <!-- Events -->
     <string name="birthday">Birthday</string>