diff --git a/app/src/main/java/com/example/tampopo_client/views/LoginActivity.java b/app/src/main/java/com/example/tampopo_client/views/LoginActivity.java
index d34fc94..64a5c94 100644
--- a/app/src/main/java/com/example/tampopo_client/views/LoginActivity.java
+++ b/app/src/main/java/com/example/tampopo_client/views/LoginActivity.java
@@ -2,22 +2,23 @@
 
 import android.content.Intent;
 import android.os.Bundle;
-import android.content.Intent;
-
 import android.view.View;
 import android.view.View.OnClickListener;
-
 import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Toast;
 import androidx.activity.EdgeToEdge;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.core.graphics.Insets;
 import androidx.core.view.ViewCompat;
 import androidx.core.view.WindowInsetsCompat;
 import androidx.lifecycle.ViewModelProvider;
-import com.example.tampopo_client.views.MainActivity;
 import com.example.tampopo_client.R;
+import com.example.tampopo_client.Tampopo;
+import com.example.tampopo_client.viewmodels.UserViewModel;
 
 public class LoginActivity extends AppCompatActivity {
+
   UserViewModel userViewModel;
 
   @Override
@@ -32,10 +33,30 @@
     });
     userViewModel = new ViewModelProvider(this).get(UserViewModel.class);
 
-    Button button_login = (Button) findViewById(R.id.loginbutton);
-    button_login.setOnClickListener(new OnClickListener(){
+    userViewModel.getError().observe(this,
+        msg -> {
+          if (msg != null) {
+            Toast.makeText(this, msg, Toast.LENGTH_SHORT).show();
+          }
+        });
 
-      public void onClick(View v){
+    Button button_login = (Button) findViewById(R.id.loginbutton);
+    button_login.setOnClickListener(new OnClickListener() {
+
+      private Object getApplication;
+
+      public void onClick(View v) {
+        EditText useridInput = (EditText) findViewById(R.id.userIDText);
+        String userid = useridInput.getText().toString();
+        EditText passwordInput = (EditText) findViewById(R.id.PasswordText);
+        String password = passwordInput.getText().toString();
+        userViewModel.login(userid, password);
+
+        userViewModel.getToken().getValue();
+        //TODO:上記のトークンを使ってTampopoクラスにセットするコードを書く
+        //((Tampopo)this.getApplication).setToken(token);
+
+
         Intent intent = new Intent(LoginActivity.this, MainActivity.class);
         startActivity(intent);
 
@@ -43,9 +64,9 @@
     });
 
     Button button_createaccount = (Button) findViewById(R.id.createaccountbutton);
-    button_createaccount.setOnClickListener(new OnClickListener(){
+    button_createaccount.setOnClickListener(new OnClickListener() {
 
-      public void onClick(View v){
+      public void onClick(View v) {
         Intent intent = new Intent(LoginActivity.this, RegisterActivity.class);
         startActivity(intent);
       }