diff --git a/main/java/recognition/MusicScoreRecognition.java b/main/java/recognition/MusicScoreRecognition.java
new file mode 100644
index 0000000..8bd469d
--- /dev/null
+++ b/main/java/recognition/MusicScoreRecognition.java
@@ -0,0 +1,173 @@
+package recognition;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.app.ActivityCompat;
+
+import android.content.ContentResolver;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.database.Cursor;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.Environment;
+import android.provider.MediaStore;
+import android.util.Log;
+import android.view.View;
+import android.widget.Button;
+import android.widget.Toast;
+
+import com.example.musicwork.MainActivity;
+import com.example.musicwork.R;
+import com.example.musicwork.freeModel.FileServiceUpload;
+import com.example.musicwork.freeModel.FreemdActivity;
+import com.example.musicwork.freeModel.InitActivity;
+import com.example.musicwork.freeModel.MusicNote;
+
+import java.io.BufferedReader;
+import java.io.DataInputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.RandomAccessFile;
+import java.util.ArrayList;
+import java.util.List;
+
+public class MusicScoreRecognition extends AppCompatActivity {
+    String imageName;//音乐名
+    String filepath;
+    String filename;
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_music_score_recognition);
+        Button button_toFree = (Button) findViewById(R.id.uploadimage);
+        button_toFree.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                //Intent intent = new Intent(MusicScoreRecognition.this, InitActivity.class);//进入自由模式
+                //启动
+                selectImg();
+                verifyStoragePermissions();
+
+                try {
+                    File file = new File(Environment.getExternalStorageDirectory().getPath(),"/DCIM/Camera/2.jpg");
+
+                    if (!file.exists())//如果不存在该文件
+                    {
+                        file.createNewFile();
+                    }
+
+                     filepath=file.getPath();
+                     filename="2.jpg";
+                   /* if(Image.uploadImage(filepath,filename)){
+                        Toast.makeText(getApplicationContext(),"保存成功",Toast.LENGTH_SHORT).show();
+                    }else{
+                        Toast.makeText(getApplicationContext(),"保存失败",Toast.LENGTH_SHORT).show();
+                    }*/
+
+                    //Log.e("map",""+file.getPath());
+                }catch (Exception e){
+                    e.printStackTrace();
+                }
+
+            }
+        });
+
+        Button display = (Button)findViewById(R.id.display);
+        display.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                try {
+                    sentFile("fly.txt");
+                }catch(IOException e){
+                    e.printStackTrace();
+                }
+            }
+        });
+
+    }
+
+    public void selectImg() {//选择图片
+        Intent intent = new Intent(Intent.ACTION_PICK, android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
+        intent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, "image/*");
+        startActivityForResult(intent, 1);
+    }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {//点击图片后进行处理
+
+        super.onActivityResult(requestCode, resultCode, data);
+        //在相册里面选择好相片之后调回到现在的这个activity中
+        switch (requestCode) {
+            case 1:
+                if (resultCode == RESULT_OK) {//resultcode是setResult里面设置的code值
+                    try {
+                        Toast.makeText(getApplicationContext(),"上传成功",Toast.LENGTH_SHORT).show();
+                    } catch (Exception e) {
+                        // TODO Auto-generatedcatch block
+                        e.printStackTrace();
+                    }
+                }
+                break;
+        }
+    }
+
+
+    private static final int REQUEST_EXTERNAL_STORAGE = 1;
+    private static String[] PERMISSIONS_STORAGE = {
+            "android.permission.READ_EXTERNAL_STORAGE",
+            "android.permission.WRITE_EXTERNAL_STORAGE" };
+    public void verifyStoragePermissions() {
+        try {
+            //检测是否有写的权限
+            int permission = ActivityCompat.checkSelfPermission(MusicScoreRecognition.this,
+                    "android.permission.WRITE_EXTERNAL_STORAGE");
+            if (permission != PackageManager.PERMISSION_GRANTED) {
+                // 没有写的权限，去申请写的权限，会弹出对话框
+                ActivityCompat.requestPermissions(MusicScoreRecognition.this, PERMISSIONS_STORAGE,REQUEST_EXTERNAL_STORAGE);
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+
+    //将文件内容传入主活动
+    public void sentFile(String filename) throws IOException {
+        verifyStoragePermissions();
+
+        Bundle bundle = new Bundle();
+        Intent intent = new Intent(MusicScoreRecognition.this, FreemdActivity.class);//传递输入数据
+        bundle.putString("flag","open");
+
+        List<MusicNote> noteList = new ArrayList<>();
+        String path= Environment.getExternalStorageDirectory().getPath()+"/Music/"+filename;
+        String environment = Environment.getExternalStorageState();
+        if(Environment.MEDIA_MOUNTED.equals(environment)) {
+            //读文件
+            File file = new File(path);
+
+            FileInputStream fis = new FileInputStream(file);
+            Log.e("filepath:", file.getPath());
+            DataInputStream in = new DataInputStream(fis);
+            //StringBuilder content = new StringBuilder();
+            BufferedReader reader = new BufferedReader(new InputStreamReader(in));
+            String line;
+            String mydata = "";
+            int i = 0;
+            while ((line = reader.readLine()) != null) {
+                String[] strarray = line.split(" ");
+                bundle.putStringArray("note"+i,strarray);
+                i += 1;
+            }
+            bundle.putInt("length",i);//存储读出的音符列表的长度
+        }
+        //将数据发送到主活动
+        intent.putExtras(bundle);
+        startActivity(intent);
+    }
+}