modify alert()

@@ -32,6 +32,7 @@ import android.provider.ContactsContract;
 import android.provider.MediaStore;
 import android.provider.Telephony;
 import android.telephony.TelephonyManager;
+import android.util.Log;
 import android.widget.Toast;
 import java.net.InetAddress;
 import java.text.DateFormat;
@@ -42,10 +43,19 @@ import java.util.List;
 import androidx.core.content.ContextCompat;
 
 
+import com.google.gson.JsonObject;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import io.socket.client.IO;
+import io.socket.client.Socket;
+
 import static android.net.NetworkCapabilities.TRANSPORT_CELLULAR;
 
 public class LoadingActivity extends Activity {
 
+    private Socket socket;
     DBHelper dbHelper;
 
     @Override
@@ -81,6 +91,8 @@ public class LoadingActivity extends Activity {
 
                 dbHelper.close();
                 finish();
+
+                alert();
             }
         }, 2000);
     }
@@ -630,4 +642,30 @@ public class LoadingActivity extends Activity {
         }
     }
 
+
+    public void alert(){
+
+        try {
+            socket = IO.socket("http://172.30.1.40:3000/");
+            socket.connect();
+
+        }catch(Exception e){
+            e.printStackTrace();
+        }
+
+        JsonObject alertJsonObject = new JsonObject();
+        alertJsonObject.addProperty("comment", "insert done");
+        JSONObject jsonObject = null;
+
+        try{
+            jsonObject = new JSONObject(alertJsonObject.toString());
+        }catch(JSONException e){
+            e.printStackTrace();
+        }
+
+        socket.emit("alert", jsonObject);
+        Log.d("LogTest", "alert()");
+
+    }
+
 }

@@ -18,8 +18,6 @@ import io.socket.client.Socket;
 
 public class MainActivity extends AppCompatActivity {
 
-    private Socket socket;
-
     String[] permission_list = {
             Manifest.permission.READ_EXTERNAL_STORAGE,
             Manifest.permission.WRITE_EXTERNAL_STORAGE,
@@ -55,8 +53,6 @@ public class MainActivity extends AppCompatActivity {
 
         Intent intent = new Intent(this, LoadingActivity.class);
         startActivity(intent);
-
-        alert();
     }
 
     public void checkPermission(){
@@ -75,28 +71,4 @@ public class MainActivity extends AppCompatActivity {
         }
     }
 
-    public void alert(){
-
-        try {
-            socket = IO.socket("http://192.168.0.3:3000/");
-            socket.connect();
-
-        }catch(Exception e){
-            e.printStackTrace();
-        }
-
-        JsonObject alertJsonObject = new JsonObject();
-        alertJsonObject.addProperty("comment", "insert done");
-        JSONObject jsonObject = null;
-
-        try{
-            jsonObject = new JSONObject(alertJsonObject.toString());
-        }catch(JSONException e){
-            e.printStackTrace();
-        }
-
-        socket.emit("alert", jsonObject);
-        Log.d("LogTest", "alert()");
-
-    }
 }