Android / Retrofit2 사용하기

https://codinginflow.com/tutorials/android/retrofit/part-1-simple-get-request

Part 1 - Simple GET Request - Coding in Flow

 

https://square.github.io/retrofit/

Retrofit

https://yts.mx/api

API Documentation - YTS YIFY

 

 

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.lwm.retrofit2ex01">

    <uses-permission android:name="android.permission.INTERNET" />

    <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/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

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

</manifest>

 

activity_main.xml

<?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"
    android:padding="8dp"
    tools:context=".MainActivity">

    <androidx.core.widget.NestedScrollView
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <TextView
            android:id="@+id/text_view_result"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textColor="#000" />

    </androidx.core.widget.NestedScrollView>

</androidx.constraintlayout.widget.ConstraintLayout>

 

JsonPlaceHolderApi.java

package com.lwm.retrofit2ex01;

import java.util.Map;

import retrofit2.Call;
import retrofit2.http.GET;
import retrofit2.http.QueryMap;

public interface JsonPlaceHolderApi {
    @GET("list_movies.json")
    Call<Yts> getMovies(@QueryMap Map<String, String> queryString);
}

 

MainActivity.java

package com.lwm.retrofit2ex01;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.widget.TextView;

import java.util.HashMap;
import java.util.Map;

import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;
import retrofit2.Retrofit;
import retrofit2.converter.gson.GsonConverterFactory;

public class MainActivity extends AppCompatActivity {
    private TextView textViewResult;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        textViewResult = findViewById(R.id.text_view_result);

        Retrofit retrofit = new Retrofit.Builder()
                .baseUrl("https://yts.mx/api/v2/")
                .addConverterFactory(GsonConverterFactory.create())
                .build();


        JsonPlaceHolderApi jsonPlaceHolderApi = retrofit.create(JsonPlaceHolderApi.class);

        //쿼리 스트링 만들기
        Map<String, String> queryString = new HashMap<>();
        queryString.put("sort_by", "rating");
        queryString.put("page", "3");

        Call<Yts> call = jsonPlaceHolderApi.getMovies(queryString);
        call.enqueue(new Callback<Yts>() {
            @Override
            public void onResponse(Call<Yts> call, Response<Yts> response) {
                if (!response.isSuccessful()) {
                    textViewResult.setText("Code: " + response.code());
                    return;
                }
                Yts yts = response.body();
                for (Yts.Data.Movie movie : yts.getData().getMovies()) {
                    String content = "";
                    content += "TITLE: " + movie.getTitle() + "\n";
                    content += "YEAR: " + movie.getYear() + "\n";
                    content += "RATING: " + movie.getRating() + "\n";
                    content += "SUMMARY: " + movie.getSummary() + "\n\n";
                    textViewResult.append(content);
                }
            }
            @Override
            public void onFailure(Call<Yts> call, Throwable t) {
                textViewResult.setText(t.getMessage());
            }
        });
    }
}

 

 

Yts.java

package com.lwm.retrofit2ex01;

import java.util.List;

import lombok.Data;

@Data
public class Yts {
    private String status;
    private String statusMessage;
    private Data data;
    private Meta meta;

    @lombok.Data
    public class Data {
        private Integer movieCount;
        private Integer limit;
        private Integer pageNumber;
        private List<Movie> movies = null;

        @lombok.Data
        public class Movie {
            private Integer id;
            private String url;
            private String imdbCode;
            private String title;
            private String titleEnglish;
            private String titleLong;
            private String slug;
            private Integer year;
            private Double rating;
            private Integer runtime;
            private List<String> genres = null;
            private String summary;
            private String descriptionFull;
            private String synopsis;
            private String ytTrailerCode;
            private String language;
            private String mpaRating;
            private String backgroundImage;
            private String backgroundImageOriginal;
            private String smallCoverImage;
            private String mediumCoverImage;
            private String largeCoverImage;
            private String state;
            private String dateUploaded;
            private Integer dateUploadedUnix;
        }
    }

    @lombok.Data
    public class Meta {
        private Integer serverTime;
        private String serverTimezone;
        private Integer apiVersion;
        private String executionTime;
    }
}

 

Post.java

package com.lwm.retrofit2ex01;

import com.google.gson.annotations.SerializedName;

public class Post {

    private int userId;
    private int id;
    private String password;
    @SerializedName("body")
    private String text;

    public int getUserId() {
        return userId;
    }

    public int getId() {
        return id;
    }

    public String getPassword() {
        return password;
    }

    public String getText() {
        return text;
    }
}

 

build.gradle(:app)

apply plugin: 'com.android.application'

android {
    compileSdkVersion 29
    buildToolsVersion "30.0.0"

    defaultConfig {
        applicationId "com.lwm.retrofit2ex01"
        minSdkVersion 21
        targetSdkVersion 29
        versionCode 1
        versionName "1.0"

        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }

    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    implementation fileTree(dir: "libs", include: ["*.jar"])
    implementation 'androidx.appcompat:appcompat:1.1.0'
    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'

    implementation 'com.squareup.retrofit2:retrofit:2.3.0'
    implementation group: 'com.squareup.retrofit2', name: 'converter-gson', version: '2.3.0'

    compileOnly 'org.projectlombok:lombok:1.18.12'
    annotationProcessor 'org.projectlombok:lombok:1.18.12'
}