diff --git a/app/src/main/java/com/example/nemophila/PostActivity.java b/app/src/main/java/com/example/nemophila/PostActivity.java
index 6fbe3ce..e7aa02b 100644
--- a/app/src/main/java/com/example/nemophila/PostActivity.java
+++ b/app/src/main/java/com/example/nemophila/PostActivity.java
@@ -19,6 +19,7 @@
 import android.widget.ArrayAdapter;
 import android.widget.Button;
 import android.widget.EditText;
+import android.widget.ImageView;
 import android.widget.Spinner;
 import android.widget.TextView;
 
@@ -32,9 +33,15 @@
 import com.google.android.material.snackbar.Snackbar;
 
 import java.io.IOException;
+import java.net.URI;
+import java.sql.Array;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Base64;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
+import java.util.stream.Stream;
 
 import retrofit2.Retrofit;
 
@@ -59,13 +66,26 @@
     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) {
+            ImageView[] images = new ImageView[3];
+            images[0] = findViewById(R.id.imageView1);
+            images[1] = findViewById(R.id.imageView2);
+            images[2] = findViewById(R.id.imageView3);
+//            ImageView image1 = findViewById(R.id.imageView1);
+//            ImageView image2 = findViewById(R.id.imageView2);
+//            ImageView image3 = findViewById(R.id.imageView3);
 
-                }
-            });
+            System.out.println(uriList.get(0));
+
+            for(int i = 0; i < 3 && i < uriList.size(); i++){
+                images[i].setImageURI(uriList.get(i));
+            }
+
+        }
+    });
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -182,7 +202,7 @@
         selectPictureButton.setOnClickListener(new View.OnClickListener(){
             public void onClick(View v) {
 //                画像選択(３枚)
-                launcher.launch("image/*");
+                launcher.launch(new String[]{"image/*"});
             }
         });