ADD file via upload

testing/SplashActivity.java

@@ -0,0 +1,29 @@
+package com.example.doitnow; // 確保你的 package 名稱正確
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.Handler;
+import androidx.appcompat.app.AppCompatActivity;
+
+public class SplashActivity extends AppCompatActivity {
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_splash);
+
+        // 隱藏標題欄
+        if (getSupportActionBar() != null) {
+            getSupportActionBar().hide();
+        }
+
+        // 1秒後跳轉到 MainActivity
+        new Handler().postDelayed(new Runnable() {
+            @Override
+            public void run() {
+                Intent i = new Intent(SplashActivity.this, MainActivity.class);
+                startActivity(i);
+                finish(); // 關閉當前活動，防止返回閃屏頁
+            }
+        }, 1000);
+    }
+}