diff --git a/.gitignore b/.gitignore
index e83a637..24195e2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,5 @@
 *.iml
 .gradle
-/local.properties
 /.idea/caches
 /.idea/libraries
 /.idea/modules.xml
@@ -12,5 +11,4 @@
 /build
 /captures
 .externalNativeBuild
-.cxx
-local.properties
+.cxx
\ No newline at end of file
diff --git a/.idea/deploymentTargetDropDown.xml b/.idea/deploymentTargetDropDown.xml
new file mode 100644
index 0000000..0ad711e
--- /dev/null
+++ b/.idea/deploymentTargetDropDown.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="deploymentTargetDropDown">
+    <targetSelectedWithDropDown>
+      <Target>
+        <type value="QUICK_BOOT_TARGET" />
+        <deviceKey>
+          <Key>
+            <type value="VIRTUAL_DEVICE_PATH" />
+            <value value="C:\Users\student\.android\avd\Pixel_2_API_30_2.avd" />
+          </Key>
+        </deviceKey>
+      </Target>
+    </targetSelectedWithDropDown>
+    <timeTargetWasSelectedWithDropDown value="2023-06-01T08:39:19.106382900Z" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 2fad911..37013f1 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -3,6 +3,9 @@
   <component name="DesignSurface">
     <option name="filePathToZoomLevelMap">
       <map>
+        <entry key="..\:/Users/student/StudioProjects/NemophilaClient/app/src/main/res/layout/activity_main.xml" value="0.228125" />
+        <entry key="..\:/Users/student/StudioProjects/NemophilaClient/app/src/main/res/layout/activity_maps.xml" value="0.17074275362318841" />
+        <entry key="..\:/Users/student/StudioProjects/NemophilaClient/app/src/main/res/layout/activity_post.xml" value="0.33" />
         <entry key="..\:/Users/student/StudioProjects/NemophilaClient/app/src/main/res/layout/activity_friend.xml" value="0.3515625" />
         <entry key="..\:/Users/student/StudioProjects/NemophilaClient/app/src/main/res/layout/activity_main.xml" value="0.14722222222222223" />
         <entry key="..\:/Users/student/StudioProjects/NemophilaClient/app/src/main/res/layout/activity_mypage.xml" value="0.375" />
diff --git a/app/build.gradle b/app/build.gradle
index 4f8dfd2..2570292 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -31,6 +31,10 @@
     }
 }
 
+//repositories {
+//    mavenCentral()
+//}
+
 dependencies {
 
     implementation 'androidx.appcompat:appcompat:1.4.2'
@@ -47,4 +51,8 @@
 
     implementation 'com.squareup.retrofit2:converter-jackson:2.5.0'
     implementation 'com.squareup.retrofit2:converter-scalars:2.1.0'
+
+    //google用
+    implementation 'com.google.maps:google-maps-services:0.2.5'
+    implementation 'org.slf4j:slf4j-nop:1.7.25'
 }
\ No newline at end of file
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 99bd929..159f0bc 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -4,6 +4,7 @@
     package="com.example.nemophila">
 
     <application
+        android:name=".Nemophila"
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"
         android:fullBackupContent="@xml/backup_rules"
@@ -14,6 +15,30 @@
         android:theme="@style/Theme.Nemophila"
         tools:targetApi="31">
         <activity
+            android:name=".SignUpActivity"
+            android:exported="true"
+            android:label="@string/title_activity_sign_up">
+
+<!--             <intent-filter>-->
+<!--             <action android:name="android.intent.action.MAIN" />-->
+
+
+<!--             <category android:name="android.intent.category.LAUNCHER" />-->
+<!--             </intent-filter>-->
+        </activity>
+        <activity
+            android:name=".LoginActivity"
+            android:exported="true"
+            android:label="@string/title_activity_login">
+
+<!--             <intent-filter>-->
+<!--             <action android:name="android.intent.action.MAIN" />-->
+
+
+<!--             <category android:name="android.intent.category.LAUNCHER" />-->
+<!--             </intent-filter>-->
+        </activity>
+        <activity
             android:name=".RequestedActivity"
             android:exported="false" />
         <activity
@@ -35,24 +60,29 @@
 
         <meta-data
             android:name="com.google.android.geo.API_KEY"
-            android:value="YOUR_API_KEY" />
+            android:value="${MAPS_API_KEY}" />
 
         <activity
             android:name=".MainActivity"
             android:exported="true"
             android:label="@string/title_activity_maps">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
 
-             <intent-filter>
-             <action android:name="android.intent.action.MAIN" />
-
-
-             <category android:name="android.intent.category.LAUNCHER" />
-             </intent-filter> 
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
         </activity>
         <activity
             android:name=".PostActivity"
             android:exported="true"
-            android:label="@string/title_activity_post" />
+            android:label="@string/title_activity_post">
+        </activity>
+
+        <activity
+            android:name=".ShopActivity"
+            android:exported="true"
+            android:label="@string/title_activity_shop">
+        </activity>
     </application>
 
 </manifest>
\ No newline at end of file
diff --git a/app/src/main/java/com/example/nemophila/LoginActivity.java b/app/src/main/java/com/example/nemophila/LoginActivity.java
new file mode 100644
index 0000000..25dba64
--- /dev/null
+++ b/app/src/main/java/com/example/nemophila/LoginActivity.java
@@ -0,0 +1,29 @@
+package com.example.nemophila;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.constraintlayout.widget.ConstraintSet;
+
+import android.os.Bundle;
+
+import com.example.nemophila.resources.AccountsRest;
+
+import retrofit2.Retrofit;
+import retrofit2.converter.jackson.JacksonConverterFactory;
+
+public class LoginActivity extends AppCompatActivity {
+
+    private Retrofit retrofit;
+    private AccountsRest AccountsRest;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_login);
+        //通信の初期化
+        this.retrofit = new Retrofit.Builder()
+                .baseUrl("http://nitta-lab-www.is.konan-u.ac.jp/nemophila/")
+                .addConverterFactory(JacksonConverterFactory.create())
+                .build();
+        this.AccountsRest = retrofit.create(AccountsRest.class);
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/nemophila/MainActivity.java b/app/src/main/java/com/example/nemophila/MainActivity.java
index a01b35d..34a3d8c 100644
--- a/app/src/main/java/com/example/nemophila/MainActivity.java
+++ b/app/src/main/java/com/example/nemophila/MainActivity.java
@@ -43,9 +43,9 @@
     public void onMapReady(GoogleMap googleMap) {
         mMap = googleMap;
 
-        // Add a marker in Sydney and move the camera
-        LatLng sydney = new LatLng(-34, 151);
-        mMap.addMarker(new MarkerOptions().position(sydney).title("Marker in Sydney"));
-        mMap.moveCamera(CameraUpdateFactory.newLatLng(sydney));
+        // Add a marker in Sydney and move the
+        LatLng ntlab = new LatLng(34.73, 135.26);
+        mMap.addMarker(new MarkerOptions().position(ntlab).title("Marker in ntlab"));
+        mMap.moveCamera(CameraUpdateFactory.newLatLng(ntlab));
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/example/nemophila/Nemophila.java b/app/src/main/java/com/example/nemophila/Nemophila.java
new file mode 100644
index 0000000..70e79e0
--- /dev/null
+++ b/app/src/main/java/com/example/nemophila/Nemophila.java
@@ -0,0 +1,24 @@
+package com.example.nemophila;
+
+import android.app.Application;
+
+public class Nemophila extends Application {
+    private String uid;
+    private String token;
+
+    //Getter
+    public String getUid() {
+        return uid;
+    }
+    public String getToken() {
+        return token;
+    }
+
+    //Setter
+    public void setUid(String uid) {
+        this.uid = uid;
+    }
+    public void setToken(String token) {
+        this.token = token;
+    }
+}
diff --git a/app/src/main/java/com/example/nemophila/ShopActivity.java b/app/src/main/java/com/example/nemophila/ShopActivity.java
new file mode 100644
index 0000000..e8fdb1c
--- /dev/null
+++ b/app/src/main/java/com/example/nemophila/ShopActivity.java
@@ -0,0 +1,25 @@
+package com.example.nemophila;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+
+public class ShopActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_shop);
+
+        Button postButton = (Button)findViewById(R.id.postButton);
+        postButton.setOnClickListener(new View.OnClickListener(){
+            public void onClick(View v){
+                Intent intent = new Intent(getApplication(), PostActivity.class);
+                startActivity(intent);
+            }
+        });
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/nemophila/SignUpActivity.java b/app/src/main/java/com/example/nemophila/SignUpActivity.java
new file mode 100644
index 0000000..8ac26b4
--- /dev/null
+++ b/app/src/main/java/com/example/nemophila/SignUpActivity.java
@@ -0,0 +1,14 @@
+package com.example.nemophila;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.os.Bundle;
+
+public class SignUpActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_sign_up);
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/nemophila/entities/Account.java b/app/src/main/java/com/example/nemophila/entities/Account.java
new file mode 100644
index 0000000..2664fa0
--- /dev/null
+++ b/app/src/main/java/com/example/nemophila/entities/Account.java
@@ -0,0 +1,4 @@
+package com.example.nemophila.entities;
+
+public class Account {
+}
diff --git a/app/src/main/java/com/example/nemophila/entities/Post.java b/app/src/main/java/com/example/nemophila/entities/Post.java
new file mode 100644
index 0000000..8169350
--- /dev/null
+++ b/app/src/main/java/com/example/nemophila/entities/Post.java
@@ -0,0 +1,4 @@
+package com.example.nemophila.entities;
+
+public class Post {
+}
diff --git a/app/src/main/java/com/example/nemophila/entities/PostJson.java b/app/src/main/java/com/example/nemophila/entities/PostJson.java
new file mode 100644
index 0000000..fff198d
--- /dev/null
+++ b/app/src/main/java/com/example/nemophila/entities/PostJson.java
@@ -0,0 +1,4 @@
+package com.example.nemophila.entities;
+
+public class PostJson {
+}
diff --git a/app/src/main/java/com/example/nemophila/entities/Shop.java b/app/src/main/java/com/example/nemophila/entities/Shop.java
new file mode 100644
index 0000000..360e2e0
--- /dev/null
+++ b/app/src/main/java/com/example/nemophila/entities/Shop.java
@@ -0,0 +1,45 @@
+package com.example.nemophila.entities;
+
+import java.util.ArrayList;
+
+public class Shop {
+    private String id;
+    private String name;
+    private double longitude;
+    private double latitude;
+    private ArrayList<Post> posts = new ArrayList<>();
+
+    //Getter
+    public String getId() {
+        return id;
+    }
+    public String getName() {
+        return name;
+    }
+    public double getLongitude() {
+        return longitude;
+    }
+    public double getLatitude() {
+        return  latitude;
+    }
+    public ArrayList<Post> getPosts() {
+        return posts;
+    }
+
+    //Setter
+    public void setId(String id) {
+        this.id = id;
+    }
+    public void setName(String name) {
+        this.name = name;
+    }
+    public void setLongitude(double longitude) {
+        this.longitude = longitude;
+    }
+    public void setLatitude(double latitude) {
+        this.latitude = latitude;
+    }
+    public void setPosts(ArrayList<Post> posts) {
+        this.posts = posts;
+    }
+}
diff --git a/app/src/main/java/com/example/nemophila/resources/AccountsRest.java b/app/src/main/java/com/example/nemophila/resources/AccountsRest.java
index 776b3ae..e5bcc24 100644
--- a/app/src/main/java/com/example/nemophila/resources/AccountsRest.java
+++ b/app/src/main/java/com/example/nemophila/resources/AccountsRest.java
@@ -1,4 +1,64 @@
 package com.example.nemophila.resources;
 
+//import android.accounts.Account;
+
+import com.example.nemophila.entities.Account;
+import com.example.nemophila.entities.Post;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.List;
+
+import retrofit2.Call;
+import retrofit2.http.DELETE;
+import retrofit2.http.Field;
+import retrofit2.http.FormUrlEncoded;
+import retrofit2.http.GET;
+import retrofit2.http.POST;
+import retrofit2.http.PUT;
+import retrofit2.http.Path;
+
 public interface AccountsRest {
+    @GET("accounts")
+    Call<HashMap> getAccounts();
+
+    @FormUrlEncoded
+    @POST("accounts")
+    Call<Account> createAccounts(
+            @Field("name") String name,
+            @Field("pw") String pw
+    );
+
+    @GET("accounts/{uid}")
+    Call<Account> getAccount(
+            @Path("uid") String uid
+    );
+
+    @DELETE("accounts/{uid}")
+    Call<Void> deleteAccount(
+            @Path("uid") String uid
+    );
+
+    @FormUrlEncoded
+    @POST("accounts/{uid}/login")
+    Call<Account> getAccounts(
+            @Path("uid") String uid
+    );
+
+    @FormUrlEncoded
+    @PUT("accounts/{uid}/pw")
+    Call<Void> changePw(
+            @Path("uid") String uid,
+            @Field("oldPw") String oldPw,
+            @Field("newPw") String newPw,
+            @Field("token") String token
+    );
+
+    @FormUrlEncoded
+    @PUT("accounts/{uid}/name")
+    Call<Void> changeName(
+            @Path("uid") String uid,
+            @Field("name") String oldPw,
+            @Field("token") String token
+    );
 }
diff --git a/app/src/main/java/com/example/nemophila/resources/PostsRest.java b/app/src/main/java/com/example/nemophila/resources/PostsRest.java
index a9f95a8..9b71482 100644
--- a/app/src/main/java/com/example/nemophila/resources/PostsRest.java
+++ b/app/src/main/java/com/example/nemophila/resources/PostsRest.java
@@ -1,4 +1,33 @@
 package com.example.nemophila.resources;
 
+import com.example.nemophila.entities.Post;
+
+import java.util.Collection;
+
+import retrofit2.Call;
+import retrofit2.http.Field;
+import retrofit2.http.FormUrlEncoded;
+import retrofit2.http.GET;
+import retrofit2.http.POST;
+import retrofit2.http.Path;
+
 public interface PostsRest {
+    @FormUrlEncoded
+    @POST("accounts/{uid}/posts")
+    Call<String> postAccountPost(
+            @Path("uid") String uid,
+            @Field("token") String token,
+            @Field("sid") String sid,
+            @Field("rate") String rate,
+            @Field("genre") String genre,
+            @Field("comment")String comment,
+            @Field("image1") String img1,
+            @Field("image2") String img2,
+            @Field("image3") String img3
+    );
+
+    @GET("accounts/{uid}/posts")
+    Call<Collection<Post>> getAccountPosts(
+            @Path("uid") String uid
+    );
 }
diff --git a/app/src/main/java/com/example/nemophila/resources/ShopsRest.java b/app/src/main/java/com/example/nemophila/resources/ShopsRest.java
index 9f54b59..5626822 100644
--- a/app/src/main/java/com/example/nemophila/resources/ShopsRest.java
+++ b/app/src/main/java/com/example/nemophila/resources/ShopsRest.java
@@ -1,4 +1,56 @@
 package com.example.nemophila.resources;
 
+import com.example.nemophila.entities.PostJson;
+import com.example.nemophila.entities.Shop;
+import com.fasterxml.jackson.annotation.JsonFilter;
+
+import java.util.Collection;
+
+import retrofit2.Call;
+import retrofit2.http.DELETE;
+import retrofit2.http.Field;
+import retrofit2.http.FormUrlEncoded;
+import retrofit2.http.GET;
+import retrofit2.http.POST;
+import retrofit2.http.Path;
+import retrofit2.http.Query;
+
 public interface ShopsRest {
+
+    //-----------------------------------------------
+    //画面内のshopの情報を取得する。
+    @GET("shops")
+    Call<Collection<Shop>> getShops(
+            @Query("monitor_upper_right_longitude") double upperRightLongitude,
+            @Query("monitor_upper_right_latitude") double upperRightLatitude,
+            @Query("monitor_lower_left_longitude") double lowerLeftLongitude,
+            @Query("monitor_lower_left_latitude") double lowerLeftLatitude
+    );
+
+    @FormUrlEncoded
+    @POST("shops")
+    Call<Shop> createShop(
+            @Field("name") String name,
+            @Field("longitude") double longitude,
+            @Field("latitude") double latitude
+    );
+
+    @GET("shops/{sid}")
+    Call<Shop> getShop(
+            @Path("sid") String sid
+    );
+
+    @GET("shops/{sid}/posts")
+    Call<PostJson> getPosts(
+            @Path("sid") String sid
+    );
+
+    @DELETE("shops/{sid}/posts/{uid}/{pid}")
+    Call<Void> deletePost(
+            @Path("sid") String sid,
+
+            @Path("uid") String uid,
+            @Path("pid") String pid,
+            @Field("token") String token
+    );
 }
diff --git a/app/src/main/java/com/example/nemophila/viewmodels/AccountViewModel.java b/app/src/main/java/com/example/nemophila/viewmodels/AccountViewModel.java
new file mode 100644
index 0000000..cc86a83
--- /dev/null
+++ b/app/src/main/java/com/example/nemophila/viewmodels/AccountViewModel.java
@@ -0,0 +1,55 @@
+package com.example.nemophila.viewmodels;
+
+import com.example.nemophila.entities.Account;
+import com.example.nemophila.resources.AccountsRest;
+
+import androidx.lifecycle.ViewModel;
+
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
+import retrofit2.Retrofit;
+import retrofit2.converter.jackson.JacksonConverterFactory;
+
+public class AccountViewModel extends ViewModel {
+    // フィールド
+    private final Retrofit retrofit;
+    private final AccountsRest accountsRest;
+
+    // コンストラクタ
+    public AccountViewModel() {
+        this.retrofit = new Retrofit.Builder()
+                .baseUrl("http://nitta-lab-www.is.konan-u.ac.jp/nemophila/")
+                .addConverterFactory(JacksonConverterFactory.create())
+                .build();
+        this.accountsRest = retrofit.create(AccountsRest.class);
+    }
+
+    // アカウント情報の取得
+    public void getAccount(String uid) {
+        Call<Account> call = accountsRest.getAccount(uid);
+
+        call.enqueue(new Callback<Account>() {
+            @Override
+            public void onResponse(Call<Account> call, Response<Account> response) {
+            }
+            @Override
+            public void onFailure(Call<Account> call, Throwable t) {
+            }
+        });
+    }
+
+    // アカウント名の変更
+    public void changeName(String uid, String name, String token) {
+        Call<Void> call = accountsRest.changeName(uid, name, token);
+
+        call.enqueue(new Callback<Void>() {
+            @Override
+            public void onResponse(Call<Void> call, Response<Void> response) {
+            }
+            @Override
+            public void onFailure(Call<Void> call, Throwable t) {
+            }
+        });
+    }
+}
diff --git a/app/src/main/java/com/example/nemophila/viewmodels/PostsViewModel.java b/app/src/main/java/com/example/nemophila/viewmodels/PostsViewModel.java
new file mode 100644
index 0000000..aa5929d
--- /dev/null
+++ b/app/src/main/java/com/example/nemophila/viewmodels/PostsViewModel.java
@@ -0,0 +1,87 @@
+package com.example.nemophila.viewmodels;
+
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.MutableLiveData;
+import androidx.lifecycle.ViewModel;
+
+import com.example.nemophila.entities.Post;
+import com.example.nemophila.resources.PostsRest;
+
+import java.util.Collection;
+
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
+import retrofit2.Retrofit;
+import retrofit2.converter.jackson.JacksonConverterFactory;
+
+public class PostsViewModel extends ViewModel {
+
+    //Field
+    final private Retrofit retrofit;
+    final private PostsRest postsRest;
+    private String pid;
+
+    //LiveData
+    final private MutableLiveData<Collection<Post>> postsLiveData;
+
+    //コンストラクタ
+    public PostsViewModel() {
+        this.postsLiveData = new MutableLiveData<>();
+        this.retrofit = new Retrofit.Builder()
+                .baseUrl("http://nitta-lab-www.is.konan-u.ac.jp/Nemophila/")
+                .addConverterFactory(JacksonConverterFactory.create())
+                .build();
+        this.postsRest = retrofit.create(PostsRest.class);
+        this.pid = null;
+    }
+
+    //getter
+    public LiveData<Collection<Post>> getLiveData() {
+        return this.postsLiveData;
+    }
+
+    //API通信メソッド
+    public void fetchPosts(String uid) {
+        Call<Collection<Post>> call = postsRest.getAccountPosts(uid);
+        call.enqueue(new Callback<Collection<Post>>() {
+            @Override
+            public void onResponse(Call<Collection<Post>> call, Response<Collection<Post>> response) {
+                if (response.isSuccessful()) {
+                    postsLiveData.setValue(response.body());
+                } else {
+                    //レスポンスエラーを通知
+                }
+            }
+
+            @Override
+            public void onFailure(Call<Collection<Post>> call, Throwable t) {
+                //通信エラーを通知
+            }
+        });
+    }
+
+    public String createPost(String uid, String token, String sid,
+                           String rate, String genre, String comment,
+                           String image1, String image2, String image3) {
+
+        Call<String> call = postsRest.postAccountPost(uid ,token, sid, rate, genre, comment, image1, image2, image3);
+
+        call.enqueue(new Callback<String>() {
+            @Override
+            public void onResponse(Call<String> call, Response<String> response) {
+                if (response.isSuccessful()) {
+                    pid = response.body();
+                } else {
+                    //レスポンスエラーを通知
+                }
+            }
+
+            @Override
+            public void onFailure(Call<String> call, Throwable t) {
+                //通信エラーを通知
+            }
+        });
+        return pid;
+    }
+}
diff --git a/app/src/main/java/com/example/nemophila/viewmodels/ShopsViewModel.java b/app/src/main/java/com/example/nemophila/viewmodels/ShopsViewModel.java
new file mode 100644
index 0000000..4f048db
--- /dev/null
+++ b/app/src/main/java/com/example/nemophila/viewmodels/ShopsViewModel.java
@@ -0,0 +1,62 @@
+package com.example.nemophila.viewmodels;
+
+import androidx.lifecycle.MutableLiveData;
+import androidx.lifecycle.ViewModel;
+
+import com.example.nemophila.entities.Shop;
+import com.example.nemophila.resources.ShopsRest;
+
+import java.util.Collection;
+
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
+import retrofit2.Retrofit;
+import retrofit2.converter.jackson.JacksonConverterFactory;
+
+public class ShopsViewModel extends ViewModel {
+    // フィールド
+    final private ShopsRest shopsRest;
+    final private Retrofit retrofit;
+
+    // ライブデータ
+    final private MutableLiveData<Collection<Shop>> shopsLiveData;
+
+    // コンストラクタ
+    public ShopsViewModel(MutableLiveData<Collection<Shop>> shopsLiveData){
+        this.shopsLiveData = new MutableLiveData<>();
+        this.retrofit = new Retrofit.Builder()
+                .baseUrl("http://nitta-lab-www.is.konan-u.ac.jp/nemophila/")
+                .addConverterFactory(JacksonConverterFactory.create())
+                .build();
+        this.shopsRest = retrofit.create(ShopsRest.class);
+    }
+
+    // 画面を動かす, 又はGPSが移動する度に呼び出される
+    public void setViewArea(double ux, double uy, double lx, double ly){
+        // 画面内に収まる範囲の店舗を取得する
+        Call<Collection<Shop>> call = shopsRest.getShops(ux, uy, lx, ly);
+
+        call.enqueue(new Callback<Collection<Shop>>() {
+            // 通信が成功
+            @Override
+            public void onResponse(Call<Collection<Shop>> call, Response<Collection<Shop>> response) {
+                // 通信が正常に動作
+                if (response.isSuccessful()) {
+                    if (response.body() != null) {
+                        shopsLiveData.setValue(response.body());  // LiveDataを書き換える
+                    } else {
+                        System.out.println("response null : setViewModel");
+                    }
+                } else {
+                    System.out.println("ステータスコード 不正 : setViewModel");
+                }
+            }
+            // 通信が失敗
+            @Override
+            public void onFailure(Call<Collection<Shop>> call, Throwable t) {
+                System.out.println("通信失敗 : setViewModel");
+            }
+        });
+    }
+}
diff --git a/app/src/main/res/layout/activity_login.xml b/app/src/main/res/layout/activity_login.xml
new file mode 100644
index 0000000..c401d01
--- /dev/null
+++ b/app/src/main/res/layout/activity_login.xml
@@ -0,0 +1,9 @@
+<?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=".LoginActivity">
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_shop.xml b/app/src/main/res/layout/activity_shop.xml
new file mode 100644
index 0000000..108efca
--- /dev/null
+++ b/app/src/main/res/layout/activity_shop.xml
@@ -0,0 +1,45 @@
+<?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=".ShopActivity">
+
+    <TextView
+        android:id="@+id/shopName"
+        android:layout_width="252dp"
+        android:layout_height="36dp"
+        android:breakStrategy="high_quality"
+        android:gravity="center_horizontal"
+        android:text="お店の名前"
+        android:textSize="24sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.496"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.06" />
+
+    <Button
+        android:id="@+id/postButton"
+        android:layout_width="53dp"
+        android:layout_height="56dp"
+        android:text="+"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.956"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.032" />
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:layout_width="379dp"
+        android:layout_height="621dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.854" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_sign_up.xml b/app/src/main/res/layout/activity_sign_up.xml
new file mode 100644
index 0000000..5d9d69e
--- /dev/null
+++ b/app/src/main/res/layout/activity_sign_up.xml
@@ -0,0 +1,9 @@
+<?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=".SignUpActivity">
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 520452c..e19fa4c 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -3,4 +3,8 @@
     <string name="title_activity_maps">MainActivity</string>
     <string name="title_activity_post">PostActivity</string>
     <string name="title_activity_my_page">MyPageActivity</string>
+    <string name="title_activity_shop">ShopActivity</string>
+    <string name="title_activity_login">LoginActivity</string>
+    <string name="title_activity_sign_up">SignUpActivity</string>
+
 </resources>
\ No newline at end of file
diff --git a/local.properties b/local.properties
new file mode 100644
index 0000000..e572d48
--- /dev/null
+++ b/local.properties
@@ -0,0 +1,12 @@
+## This file is automatically generated by Android Studio.
+# Do not modify this file -- YOUR CHANGES WILL BE ERASED!
+#
+# This file should *NOT* be checked into Version Control Systems,
+# as it contains information specific to your local configuration.
+#
+# Location of the SDK. This is only used by Gradle.
+# For customization when using a Version Control System, please read the
+# header note.
+sdk.dir=C\:\\Users\\Student\\AppData\\Local\\Android\\Sdk
+#google maps apikey 
+MAPS_API_KEY = AIzaSyDSlrIzdvRq30wTpmbT1tY-61i-E-5qk8k
\ No newline at end of file