android - I can't show Manifest.permission.CALL_PHONE in runtime permission -

i'm implementing runtime permissions in app can't show permission call_phone. need show 2 permission, read_contact , call_phone. can show read_contact not call_phone permission.

i'm using avd emulator test it.

some apreciate!

this code:

      callpesmission.setonclicklistener(new view.onclicklistener() {             @override             public void onclick(view v) {                 requestcallphonepermission();             }         });          contactpesmission.setonclicklistener(new view.onclicklistener() {             @override             public void onclick(view v) {                 requestcontactspermission();             }         });    private void requestcontactspermission() {         string locationpermission = manifest.permission.read_contacts;         int haspermission = contextcompat.checkselfpermission(getactivity(), locationpermission);         string[] permissions = new string[] { locationpermission };         if (haspermission != packagemanager.permission_granted) {             requestpermissions(permissions, request_contacts);         } else {             toast.maketext(getactivity(), "we have persmission", toast.length_short).show();         }     }      private void requestcallphonepermission() {         string callpermission = manifest.permission.call_phone;         int haspermission = contextcompat.checkselfpermission(getactivity(), callpermission);         string[] permissions = new string[] { callpermission };         if (haspermission != packagemanager.permission_granted) {             requestpermissions(permissions, request_call_phone);         } else {             toast.maketext(getactivity(), "we have persmission", toast.length_short).show();         }     }  @override     public void onrequestpermissionsresult(int requestcode, string[] permissions, int[] grantresults) {         switch (requestcode) {             case request_contacts:                 if (grantresults[0] == packagemanager.permission_granted) {                     toast.maketext(getactivity(), "read_contacts granted", toast.length_short).show();                 } else {                     toast.maketext(getactivity(), "read_contacts denied", toast.length_short).show();                 }                 break;             case request_call_phone:                 if (grantresults[0] == packagemanager.permission_granted) {                     toast.maketext(getactivity(), "call_phone granted", toast.length_short).show();                 } else {                     toast.maketext(getactivity(), "call_phone denied", toast.length_short).show();                 }                 break;             default:                 super.onrequestpermissionsresult(requestcode, permissions, grantresults);         }     } 

i see nothing wrong code right there,

confirm if present in manifest.xml.

dialog won't show if not present in manifest , might throw security exception if try use feature anyway