Main thing to consider is
Gson gson = new Gson();
String strJsonObject = gson.toJson(OBJECT_OF_YOUR_MODEL_CLASS);
strJsonObject is string value you can pass as parameter
Here is a code snip how you can achieve it ..
ObjectModel objectModel = new ObjectModel();
objectModel.setMobile_number("123456789");
objectModel.setWork_number("12345789");
objectModel.setFax_number("123465");
objectModel.setFirst_name("first name");
objectModel.setLast_name("last name");
objectModel.setWebsite("ww.solution.com");
ArrayList<ObjectModel.Email> emails = new ArrayList<>();
ObjectModel.Email email = new ObjectModel.Email();
email.setPersonal("[email protected]");
email.setWork("[email protected]");
emails.add(email);
objectModel.setEmail(emails);
Gson gson = new Gson();
String strJsonObject = gson.toJson(objectModel);
Log.e("strJsonObject", strJsonObject);
Create ObjectModel.class
public class ObjectModel {
String mobile_number = "";
String work_number = "";
String fax_number = "";
String first_name = "";
String last_name = "";
String website = "";
ArrayList<Email> email = new ArrayList<>();
public String getMobile_number() {
return mobile_number;
}
public void setMobile_number(String mobile_number) {
this.mobile_number = mobile_number;
}
public String getWork_number() {
return work_number;
}
public void setWork_number(String work_number) {
this.work_number = work_number;
}
public String getFax_number() {
return fax_number;
}
public void setFax_number(String fax_number) {
this.fax_number = fax_number;
}
public String getFirst_name() {
return first_name;
}
public void setFirst_name(String first_name) {
this.first_name = first_name;
}
public String getLast_name() {
return last_name;
}
public void setLast_name(String last_name) {
this.last_name = last_name;
}
public String getWebsite() {
return website;
}
public void setWebsite(String website) {
this.website = website;
}
public ArrayList<Email> getEmail() {
return email;
}
public void setEmail(ArrayList<Email> email) {
this.email = email;
}
public static class Email {
String work = "";
String personal = "";
public String getWork() {
return work;
}
public void setWork(String work) {
this.work = work;
}
public String getPersonal() {
return personal;
}
public void setPersonal(String personal) {
this.personal = personal;
}
}
}
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solved How to pass json in request using retrofit services in android studio