private List<Message> messages = new ArrayList<>();
private void getInbox() {
ApiInterface apiService =
ApiClient.getClient().create(ApiInterface.class);
Call<List<Message>> call = apiService.getInbox();
call.enqueue(new Callback<List<Message>>() {
@Override
public void onResponse(Call<List<Message>> call, Response<List<Message>> response) {
// clear the inbox
messages.clear();
// add all the messages
// messages.addAll(response.body());
// TODO - avoid looping
// the loop was performed to add colors to each message
mAdapter.notifyDataSetChanged();
swipeRefreshLayout.setRefreshing(false);
}
@Override
public void onFailure(Call<List<Message>> call, Throwable t) {
Toast.makeText(getApplicationContext(), "Unable to fetch json: " + t.getMessage(), Toast.LENGTH_LONG).show();
}
});
}
import retrofit2.Retrofit;
import retrofit2.converter.gson.GsonConverterFactory;
public class ApiClient {
public static final String BASE_URL = "http://api.androidhive.info/json/";
private static Retrofit retrofit = null;
public static Retrofit getClient() {
if (retrofit == null) {
retrofit = new Retrofit.Builder()
.baseUrl(BASE_URL)
.addConverterFactory(GsonConverterFactory.create())
.build();
}
return retrofit;
}
}
import com.keshav.gmailretrofitexampleworking.models.Message;
import java.util.List;
import retrofit2.Call;
import retrofit2.http.GET;
public interface ApiInterface {
@GET("inbox.json")
Call<List<Message>> getInbox();
}
=======================================================
package com.keshav.gmailretrofitexampleworking.models;
public class Message {
private int id;
private String from;
private String subject;
private String message;
private String timestamp;
private String picture;
private boolean isImportant;
private boolean isRead;
private int color = -1;
public Message() {
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getFrom() {
return from;
}
public void setFrom(String from) {
this.from = from;
}
public String getSubject() {
return subject;
}
public void setSubject(String subject) {
this.subject = subject;
}
public String getMessage() {
return message;
}
public void setMessage(String message) {
this.message = message;
}
public String getTimestamp() {
return timestamp;
}
public void setTimestamp(String timestamp) {
this.timestamp = timestamp;
}
public boolean isImportant() {
return isImportant;
}
public void setImportant(boolean important) {
isImportant = important;
}
public String getPicture() {
return picture;
}
public void setPicture(String picture) {
this.picture = picture;
}
public boolean isRead() {
return isRead;
}
public void setRead(boolean read) {
isRead = read;
}
public int getColor() {
return color;
}
public void setColor(int color) {
this.color = color;
}
}
=======================================
Response
=========================================
[
{
"id": 1,
"isImportant": false,
"picture": "http://api.androidhive.info/json/google.png",
"from": "Google Alerts",
"subject": "Google Alert - android",
"message": "Now android supports multiple voice recogonization",
"timestamp": "10:30 AM",
"isRead": false
},
{
"id": 2,
"isImportant": true,
"picture": "",
"from": "Amazon.in",
"subject": "Apple Macbook Pro",
"message": "Your Amazon.in Today's Deal Get Macbook Pro",
"timestamp": "9:20 AM",
"isRead": false
},
{
"id": 3,
"isImportant": false,
"picture": "http://api.androidhive.info/json/imdb.png",
"from": "IMDB",
"subject": "Check out top rated movies this week",
"message": "Find out the top rated movies this week by editor choice",
"timestamp": "9:15 AM",
"isRead": false
},
{
"id": 4,
"isImportant": false,
"picture": "https://scontent-frt3-1.xx.fbcdn.net/v/t1.0-1/p160x160/16298485_10208198778434887_8511207535440105240_n.jpg?oh=37c747b74709ff3bbdec6102c189cea5&oe=5929B733",
"from": "Dinesh Reddy, Me",
"subject": "Let's get started",
"message": "I started working on project proposals. Wanted to know",
"timestamp": "9:00 AM",
"isRead": true
},
{
"id": 5,
"isImportant": false,
"picture": "",
"from": "BookMyShow",
"subject": "Will the lost boy find his family?",
"message": "LION a movie that humanity needs. Online version report spam 97%",
"timestamp": "8:55 AM",
"isRead": false
},
{
"id": 6,
"isImportant": false,
"picture": "",
"from": "MakeMyTrip",
"subject": "A joyous Train Ride in North East!",
"message": "North East Package starting from Rs31,999/- only!",
"timestamp": "8:10 AM",
"isRead": false
},
{
"id": 7,
"isImportant": false,
"picture": "",
"from": "Disqus 14",
"subject": "Re: Comment on Android Working with",
"message": "Hey Ravi, after following your article I am getting this error",
"timestamp": "8:10 AM",
"isRead": true
},
{
"id": 8,
"isImportant": true,
"picture": "",
"from": "Evans, Ravi 3",
"subject": "Advertisement Enquiry",
"message": "Hello, I want to buy the advertising space on",
"timestamp": "7:59 AM",
"isRead": false
},
{
"id": 9,
"isImportant": false,
"picture": "https://lh3.googleusercontent.com/9JKVlFDCj9VVIbI66z_JEXGXvQpUXc-EwXfDmYP9c-8Lwb6Bd_zZ9i6VygPpyXLj3PkNCtpmTvaKKw=w300-h300-rw-no",
"from": "Karthik Tamada",
"subject": "Call Me",
"message": "I am going home because I am not feeling well!",
"timestamp": "4:05 AM",
"isRead": false
},
{
"id": 10,
"isImportant": false,
"picture": "",
"from": "Order-Update",
"subject": "Your Amazon order #408-2878882019",
"message": "Your Orders | Amazon.in shipment of pendrive",
"timestamp": "5:00 AM",
"isRead": true
},
{
"id": 11,
"isImportant": false,
"picture": "",
"from": "Instapage",
"subject": "Lead notification from Instapage",
"message": "Congratulations! You just aquired a new lead",
"timestamp": "3:00 AM",
"isRead": false
},
{
"id": 12,
"isImportant": false,
"picture": "",
"from": "Droid5",
"subject": "Droid5 Android Project",
"message": "Planning to start an android app for droid5",
"timestamp": "5:00 AM",
"isRead": false
},
{
"id": 13,
"isImportant": true,
"picture": "",
"from": "Gmail Team",
"subject": "Gmail Business Suite",
"message": "Your Gmail business suite is expiring today!",
"timestamp": "Feb 20",
"isRead": true
},
{
"id": 14,
"isImportant": false,
"picture": "",
"from": "Medium Daily Digest",
"subject": "6 Things You need to know to Recover",
"message": "Daily Digest Your daily three recommendations",
"timestamp": "8:15 AM",
"isRead": false
},
{
"id": 15,
"isImportant": false,
"picture": "",
"from": "Alex, Ravi 24",
"subject": "Advertisement proposal to promote my android app",
"message": "Hello Ravi, Thanks for your link. Here is the proposal",
"timestamp": "Feb 17",
"isRead": false
}
]
看看[這裏]（http://stackoverflow.com/questions/35956104/how-to-handle-object-on-onresponse-of-retrofit-2-0/35956131#35956131）。你需要返回一個不同的類，其中包含一個'List數據' –
Blackbelt
它期望一個數組，你給它一個對象 –
謝謝@Blackbelt和TimCastelinjs。現在正在工作。 – oxyt