diff --git a/CS体系结构-动态系统/MainActivity.java b/CS体系结构-动态系统/MainActivity.java
new file mode 100644
index 0000000..19ece28
--- /dev/null
+++ b/CS体系结构-动态系统/MainActivity.java
@@ -0,0 +1,99 @@
+package edu.hzuapps.shudongapp;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.content.Intent;
+import android.graphics.Bitmap;
+import android.os.Bundle;
+import android.provider.MediaStore;
+import android.view.View;
+import android.widget.Button;
+import android.widget.ImageView;
+
+import java.util.concurrent.atomic.AtomicReference;
+
+public class MainActivity extends AppCompatActivity{
+
+    static final int REQUEST_IMAGE_CAPTURE = 1;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+        MySQLiteOpenHelper dbHelper;                    //在软件一开始运行就实现好数据库的建立和表的创建
+        dbHelper = new MySQLiteOpenHelper(this);
+        dbHelper.getWritableDatabase();
+        final MainActivity thisActivity = this;
+        Button funcBtn1 = findViewById(R.id.button_func1);
+        Button funcBtn2 = findViewById(R.id.button_func2);
+        Button funcBtn3 = findViewById(R.id.button_func3);
+        Button funcBtn4 = findViewById(R.id.button_func4);
+        Button funcBtn5 = findViewById(R.id.button_func5);
+        Button funcBtn6 = findViewById(R.id.buttonx);
+        funcBtn1.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Intent intent = new Intent(thisActivity, dongtai.class);
+                startActivity(intent);
+            }
+        });
+        funcBtn2.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Intent intent = new Intent(thisActivity, chakan.class);
+                startActivity(intent);
+            }
+        });
+        funcBtn3.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Intent intent = new Intent(thisActivity, delete.class);
+                startActivity(intent);
+            }
+        });
+        funcBtn4.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Intent intent = new Intent(thisActivity, internetdata.class);
+                startActivity(intent);
+            }
+        });
+        funcBtn5.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
+                if (takePictureIntent.resolveActivity(getPackageManager()) != null) {
+                    startActivityForResult(takePictureIntent, REQUEST_IMAGE_CAPTURE);
+                }
+            }
+        });
+        funcBtn6.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Intent intent = new Intent(thisActivity, niming.class);
+                startActivity(intent);
+            }
+        });
+    }
+        public void insertNameData (View view){
+            Intent intent = new Intent(this, dongtai.class);
+            startActivity(intent);
+        }
+        public void queryData (View view){
+            Intent intent = new Intent(this, chakan.class);
+            startActivity(intent);
+        }
+        public void deleteData (View view){
+            Intent intent = new Intent(this, delete.class);
+            startActivity(intent);
+        }
+        protected void onActivityResult ( int requestCode, int resultCode, Intent data){
+            ImageView funcBtn6 = findViewById(R.id.image_func6);
+            super.onActivityResult(requestCode, resultCode, data);
+            if (requestCode == REQUEST_IMAGE_CAPTURE && resultCode == RESULT_OK) {
+                Bundle extras = data.getExtras();
+                Bitmap imageBitmap = (Bitmap) extras.get("data");
+                funcBtn6.setImageBitmap(imageBitmap);
+            }
+        }
+}