Handle onResume in fragment

Issue

I have a fragment where I post request to server. This type of action should be in onResume() method, but I don't want to post request to server every time when I put app on background. Is exist any solution?

request which I want to post

FactoryAPI.getContacts().getContacts(user.getToken()).enqueue(new Callback<ContactsResponse>() {
            @Override
            public void onResponse(Call<ContactsResponse> call, Response<ContactsResponse> response) {
                if(response.isSuccessful()) {
                    contactList = response.body().getContactsList();
                    sortList();
                    progressDialog.dismiss();
                    setRecyclerView();
                }
            }

            @Override
            public void onFailure(Call<ContactsResponse> call, Throwable t) {}
        });

Solution

In your Fragment class, create a data member of type boolean like,

private boolean isResponseSend;

In your onResume() method,

    @Override
    public void onResume() {
        super.onResume();
        if(!isResponseSend)
        {
                isResponseSend = true;
                //your code
                FactoryAPI.getContacts().getContacts(user.getToken()).enqueue(new Callback<ContactsResponse>() {
            @Override
            public void onResponse(Call<ContactsResponse> call, Response<ContactsResponse> response) {
                if(response.isSuccessful()) {
                    contactList = response.body().getContactsList();
                    sortList();
                    progressDialog.dismiss();
                    setRecyclerView();
                }
            }

            @Override
            public void onFailure(Call<ContactsResponse> call, Throwable t) {}
        });


        }
    }

Answered By - mrtpk