save code

app/android/java/com/khronos/vulkan_samples/MainActivity.java

@@ -1,8 +1,12 @@
 package com.khronos.vulkan_samples;
 
+import android.content.Intent;
 import android.os.Bundle;
 import android.os.Debug;
 import android.util.Log;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
 import android.widget.Toast;
 
 import androidx.activity.EdgeToEdge;
@@ -17,8 +21,8 @@ public class MainActivity extends GameActivity {
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
+        String native_lib_name = getResources().getString(R.string.native_lib_name);
         try {
-            String native_lib_name = getResources().getString(R.string.native_lib_name);
             System.loadLibrary(native_lib_name);
         } catch (UnsatisfiedLinkError e) {
             Toast.makeText(getApplicationContext(), "Native code library failed to load.", Toast.LENGTH_SHORT).show();
@@ -29,6 +33,47 @@ public class MainActivity extends GameActivity {
         sendArgumentsToPlatform(argArray);
         super.onCreate(savedInstanceState);
         Log.i("MainActivity", "onCreate: ");
+
+        // 添加按钮到布局
+        addButtonToLayout();
     }
+
+    private void addButtonToLayout() {
+        // 创建按钮
+        Button button = new Button(this);
+        button.setText("Vulkan 按钮");
+
+        // 设置按钮位置（使用绝对坐标）
+        button.setX(50);  // 距离左边50像素
+        button.setY(50);  // 距离顶部50像素
+
+        // 设置按钮点击事件
+        button.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                onButtonClicked();
+            }
+        });
+
+        // 将按钮添加到 GameActivity 的布局中（不会覆盖 Vulkan 表面）
+        addContentView(button, new ViewGroup.LayoutParams(
+                ViewGroup.LayoutParams.WRAP_CONTENT,
+                ViewGroup.LayoutParams.WRAP_CONTENT
+        ));
+    }
+
+
+    private void onButtonClicked() {
+        Toast.makeText(this, "Vulkan 按钮被点击了!", Toast.LENGTH_SHORT).show();
+        nativeButtonClicked();
+        // 启动SecondActivity
+        Intent intent = new Intent(MainActivity.this, SecondActivity.class);
+        // 可以传递数据
+        intent.putExtra("message", "Hello from MainActivity!");
+        startActivity(intent);
+    }
+
+    private native void nativeButtonClicked();
+
     private native void sendArgumentsToPlatform(String[] args);
 }