java - No HTTP request is send from retrofit /Android/ -

i'm trying send data api android project using retrofit. seems work without errors no http request leaves application. can confirm wireshark screening , api console log. here example pseudo code of parts of application:

// sample code  findviewbyid(r.id.submit_btn).setonclicklistener(this);  @override public void onclick(view v) {     int = v.getid();     if (i == r.id.submit_btn){         intent intent = new intent(currentactivity.this, homeactivity.class);          // myobj class storing several values , defined in separate class         myobj obj = new myobj(** attributes here **);          retrofit retrofit = new retrofit.builder()                 .baseurl("http://api.address")                 .client(new okhttpclient())                 .addconverterfactory(gsonconverterfactory.create())                 .build();          myapi api = retrofit.create(myapi.class);          call<void> upload = api.newobj(obj);          startactivity(intent);         finish();     } 

not sure i'm missing. ideas?

p.s. here dependencies used app part:

compile 'com.squareup.retrofit2:retrofit:2.1.0' compile 'com.google.code.gson:gson:2.6.2' compile 'com.squareup.retrofit2:converter-gson:2.1.0' compile 'com.squareup.okhttp3:okhttp:3.0.1' 

this prepares request, not sends it.

call<void> upload = api.newobj(obj); 

try making upload.enqueue()