diff --git a/app/src/main/java/com/example/nemophila/PostActivity.java b/app/src/main/java/com/example/nemophila/PostActivity.java
index 36f7a4b..69db41e 100644
--- a/app/src/main/java/com/example/nemophila/PostActivity.java
+++ b/app/src/main/java/com/example/nemophila/PostActivity.java
@@ -2,38 +2,33 @@
 
 import androidx.activity.result.ActivityResultCallback;
 import androidx.activity.result.ActivityResultLauncher;
-import androidx.activity.result.contract.ActivityResultContract;
 import androidx.activity.result.contract.ActivityResultContracts;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.lifecycle.Observer;
 import androidx.lifecycle.ViewModelProvider;
 
-import android.app.Activity;
 import android.content.Intent;
-import android.graphics.Bitmap;
 import android.net.Uri;
 import android.os.Bundle;
-import android.provider.MediaStore;
 import android.view.View;
 import android.widget.AdapterView;
 import android.widget.ArrayAdapter;
 import android.widget.Button;
 import android.widget.EditText;
+import android.widget.ImageButton;
+import android.widget.ImageView;
 import android.widget.Spinner;
 import android.widget.TextView;
 
 
 import com.example.nemophila.entities.Account;
-import com.example.nemophila.entities.Post;
 import com.example.nemophila.entities.Shop;
-import com.example.nemophila.resources.ShopsRest;
 import com.example.nemophila.viewmodels.PostsViewModel;
 import com.example.nemophila.viewmodels.ShopsViewModel;
 import com.google.android.material.snackbar.Snackbar;
 
-import java.io.IOException;
-import java.util.Collection;
-import java.util.Collections;
+import java.nio.charset.StandardCharsets;
+import java.util.Base64;
 import java.util.List;
 
 import retrofit2.Retrofit;
@@ -48,24 +43,50 @@
     private String comment;
     private String token;
     private String sid;
-    private String img1 = null;
-    private String img2 = null;
-    private String img3 = null;
+    private String[] img;
     private String shopName;
+    private ImageButton[] deleteButtons;
+    private ImageView[] postImages;
+    private List<Uri> uriLists;
 
     private PostsViewModel postsViewModel;
     private ShopsViewModel shopsViewModel;
-    private Account account;
-    private Retrofit retrofit;
     private Nemophila nemophila;
 
-    private ActivityResultLauncher<String> launcher = registerForActivityResult(new ActivityResultContracts.GetContent(),
-            new ActivityResultCallback<Uri>() {
-                @Override
-                public void onActivityResult(Uri result) {
+    //画像挿入
+    private ActivityResultLauncher<String[]> launcher = registerForActivityResult(new ActivityResultContracts.OpenMultipleDocuments(), new ActivityResultCallback<List<Uri>>() {
+        @Override
+        public void onActivityResult(List<Uri> uriList) {
+            uriLists = uriList;
 
-                }
-            });
+            postImages[0] = findViewById(R.id.imageView1);
+            postImages[1] = findViewById(R.id.imageView2);
+            postImages[2] = findViewById(R.id.imageView3);
+
+            System.out.println(uriLists.get(0));
+
+//            for (int i = 0; i <postImages.length; i++){
+//                if (postImages[i] == null){
+//                    deleteButtons[i].setVisibility(View.INVISIBLE);
+//                    if (i != postImages.length) {
+//                        postImages[i] = postImages[i + 1];
+//                    }
+//                }
+////                if (postImages[postImages.length] == null){
+////
+////                }
+//            }
+
+            for(int i = 0; i < 3 && i < uriLists.size(); i++){
+                postImages[i].setImageURI(uriLists.get(i));
+                deleteButtons[i].setVisibility(View.VISIBLE);
+
+                String s = new String(Base64.getEncoder().encode(uriLists.get(i).toString().getBytes()));
+                img[i] = s;
+            }
+
+        }
+    });
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -77,12 +98,16 @@
         postsViewModel = new ViewModelProvider(this).get(PostsViewModel.class);
         shopsViewModel = new ViewModelProvider(this).get(ShopsViewModel.class);
 
+        img = new String[3];
+        deleteButtons = new ImageButton[3];
+        postImages = new ImageView[3];
+
 //店舗新規作成のオブザーバー
         shopsViewModel.getCurrentLiveData().observe(this, new Observer<Shop>() {
             @Override
             public void onChanged(Shop shop) {
                 System.out.println("店舗新規作成完了");
-                postsViewModel.createPost(uid, token, shop.getSid(), rate, genre, comment, img1, img2, img3);
+                postsViewModel.createPost(uid, token, shop.getSid(), rate, genre, comment, img[0], img[1], img[2]);
 
                 System.out.println("lat" + nemophila.getCurrentLatitude() + "\nlong" + nemophila.getCurrentLongitude());
 
@@ -220,12 +245,70 @@
         selectPictureButton.setOnClickListener(new View.OnClickListener(){
             public void onClick(View v) {
 //                画像選択(３枚)
-                launcher.launch("image/*");
+                launcher.launch(new String[]{"image/*"});
             }
         });
 
+//        写真の削除ボタン
 
 
+        deleteButtons[0]= (ImageButton) findViewById(R.id.deleteButton1);
+        deleteButtons[1]= (ImageButton) findViewById(R.id.deleteButton2);
+        deleteButtons[2]= (ImageButton) findViewById(R.id.deleteButton3);
+
+        deleteButtons[0].setVisibility(View.INVISIBLE);
+        deleteButtons[1].setVisibility(View.INVISIBLE);
+        deleteButtons[2].setVisibility(View.INVISIBLE);
+
+        deleteButtons[0].setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                postImages[0].setImageURI(null);
+                uriLists.set(0, null);
+//                uriLists.remove(1);
+                System.out.println("削除ボタン１");
+                for (int i = 0; i < postImages.length-1; i++){
+                    postImages[i].setImageURI(uriLists.get(i+1));
+//                    postImages[i].setImageURI(uriList.get(i));
+                    postImages[i+1].setImageURI(null);
+//                    uriLists.remove(i);
+                    uriLists.set(i+1, null);
+//                    postImages[i+1] = null;
+                    System.out.println(uriLists.get(i));
+                    if (uriLists.get(i) == null){
+                        deleteButtons[i].setVisibility(View.INVISIBLE);
+                    }
+                }
+            }
+        });
+
+        deleteButtons[1].setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                postImages[1].setImageURI(null);
+                uriLists.set(1, null);
+//                postImages[1] = null;
+                System.out.println("削除ボタン２");
+                for (int i = 1; i < postImages.length-1; i++){
+                    postImages[i].setImageURI(uriLists.get(i+1));
+                    postImages[i+1].setImageURI(null);
+//                    postImages[i+1] = null;
+                    if (uriLists.get(i)==null){
+                        deleteButtons[i].setVisibility(View.INVISIBLE);
+                    }
+                }
+            }
+        });
+
+        deleteButtons[2].setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                postImages[2].setImageURI(null);
+
+                System.out.println("削除ボタン３");
+                deleteButtons[2].setVisibility(View.INVISIBLE);
+            }
+        });
 
         //投稿ボタンの処理
         Button postButton = (Button)findViewById(R.id.postButton);
@@ -246,7 +329,7 @@
                     if (shop == null) {
                         shopsViewModel.createShop(shopName, nemophila.getCurrentLongitude(), nemophila.getCurrentLatitude());
                     } else {
-                        postsViewModel.createPost(uid, token, sid, rate, genre, comment, img1, img2, img3);
+                        postsViewModel.createPost(uid, token, sid, rate, genre, comment, img[0], img[1], img[2]);
                         System.out.println("既存店舗に投稿");
                         System.out.println("lat" + nemophila.getCurrentLatitude() + "\nlong" + nemophila.getCurrentLongitude());