<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">
    <androidx.recyclerview.widget.RecyclerView
        android:layout_width="match_parent"
        android:layout_height="match_parent" android:id="@+id/rvUsers"></androidx.recyclerview.widget.RecyclerView>
</androidx.constraintlayout.widget.ConstraintLayout>
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package com.example.jsonexample;

import androidx.appcompat.app.AppCompatActivity;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

import android.os.Bundle;
import android.util.Log;
import android.widget.LinearLayout;

import com.squareup.moshi.JsonAdapter;
import com.squareup.moshi.Moshi;
import com.squareup.moshi.Types;

import java.io.IOException;
import java.lang.reflect.Array;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.List;

import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        RecyclerView recyclerView=(RecyclerView)findViewById(R.id.rvUsers);
        recyclerView.setHasFixedSize(true);
        LinearLayoutManager layoutManager=new LinearLayoutManager(this, LinearLayoutManager.VERTICAL,false);
        recyclerView.setLayoutManager(layoutManager);
        // Khởi tạo OkHttpClient để lấy dữ liệu.
        OkHttpClient client = new OkHttpClient();

        // Khởi tạo Moshi adapter để biến đổi json sang model java (ở đây là User)
        Moshi moshi = new Moshi.Builder().build();
        Type usersType = Types.newParameterizedType(List.class, User.class);
        final JsonAdapter<ArrayList<User>> jsonAdapter = moshi.adapter(usersType);

        // Tạo request lên server.
        Request request = new Request.Builder()
                .url("https://api.github.com/users")
                .build();

        // Thực thi request.
        client.newCall(request).enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                Log.e("Error", "Network Error");
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {

                // Lấy thông tin JSON trả về. Bạn có thể log lại biến json này để xem nó như thế nào.
                String json = response.body().string();
                final ArrayList<User> users = jsonAdapter.fromJson(json);

                // Cho hiển thị lên RecyclerView.
                runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        recyclerView.setAdapter(new UserAdapter(users, getApplicationContext()));
                    }
                });
            }
        });
    }
}
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package com.example.jsonexample;

public class User {
    public String _Login;
    public int _ID;
    public String _Avatar_url;
}
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<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">
<RelativeLayout
    android:layout_width="match_parent"
    android:layout_height="match_parent">
    <ImageView
        android:layout_width="200dp"
        android:layout_height="200dp" android:id="@+id/image"></ImageView>
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" android:id="@+id/tvName" android:layout_toRightOf="@id/image" android:text="Name"></TextView>
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" android:id="@+id/tvID" android:text="ID" android:layout_below="@id/tvName" android:layout_toRightOf="@id/image"></TextView>
</RelativeLayout>
</androidx.constraintlayout.widget.ConstraintLayout>
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package com.example.jsonexample;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView;

import com.squareup.picasso.Picasso;

import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.List;

public class UserAdapter extends RecyclerView.Adapter<UserAdapter.ViewHolder> {
    public ArrayList<User> getUserList() {
        return UserList;
    }

    public void setUserList(ArrayList<User> userList) {
        UserList = userList;
    }

    public Context getContext() {
        return context;
    }

    public void setContext(Context context) {
        this.context = context;
    }

    ArrayList<User> UserList;
    Context context;
    public UserAdapter(ArrayList<User> pUser, Context pContext)
    {
        UserList=pUser;
        context=pContext;
    }
    @NonNull
    @Override
    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        LayoutInflater layoutInflater=LayoutInflater.from(parent.getContext());
        View itemview=layoutInflater.inflate(R.layout.item_user,parent,false);
        return new ViewHolder(itemview);
    }

    @Override
    public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
        User u=UserList.get(position);
        Picasso.with(context).load(u._Avatar_url).into(holder.imageView);
        holder.textViewName.setText(u._Login);
        holder.textViewID.setText(String.valueOf(u._ID));
    }

    @Override
    public int getItemCount() {
        return UserList.size();
    }

    public class ViewHolder extends RecyclerView.ViewHolder {
        ImageView imageView;
        TextView textViewName;
        TextView textViewID;
        public ViewHolder(@NonNull View itemView) {
            super(itemView);
            imageView=(ImageView)itemView.findViewById(R.id.image);
            textViewName=(TextView)itemView.findViewById(R.id.tvName);
            textViewID=(TextView)itemView.findViewById(R.id.tvID);
        }
    }
}
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<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.jsonexample">
<uses-permission android:name="android.permission.INTERNET"></uses-permission>
    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/Theme.JsonExample">
        <activity
            android:name=".MainActivity"
            android:exported="true">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>
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