如何在Android Studio中使用带有.ort模型的onnxruntime

dependencies {
    implementation 'org.onnxruntime:onnxruntime-android:1.8.0'
}

import org.onnxruntime.OrtEnvironment;
import org.onnxruntime.OrtException;
import org.onnxruntime.OrtSession;
import org.onnxruntime.OrtSession.SessionOptions;
import org.onnxruntime.OrtValue;
import org.onnxruntime.OrtUtil;

public class MainActivity extends AppCompatActivity {
    private OrtEnvironment ortEnvironment;
    private OrtSession ortSession;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        try {
            // 创建OrtEnvironment
            ortEnvironment = OrtEnvironment.getEnvironment();

            // 创建SessionOptions
            SessionOptions sessionOptions = new SessionOptions();
            sessionOptions.setOptimizationLevel(OrtUtil.getOptimizationLevel());

            // 加载模型
            ortSession = ortEnvironment.createSession(assetFilePath(this, "model.ort"), sessionOptions);

            // 准备输入数据
            OrtValue input = prepareInputData();

            // 运行模型
            OrtValue output = ortSession.run(input);

            // 处理输出数据
            processOutputData(output);
        } catch (OrtException e) {
            e.printStackTrace();
        }
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();

        // 释放资源
        if (ortSession != null) {
            ortSession.close();
        }
        if (ortEnvironment != null) {
            ortEnvironment.close();
        }
    }

    private String assetFilePath(Context context, String assetName) {
        File file = new File(context.getFilesDir(), assetName);
        try {
            InputStream inputStream = context.getAssets().open(assetName);
            OutputStream outputStream = new FileOutputStream(file);
            byte[] buffer = new byte[1024];
            int length;
            while ((length = inputStream.read(buffer)) > 0) {
                outputStream.write(buffer, 0, length);
            }
            outputStream.close();
            inputStream.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return file.getAbsolutePath();
    }

    private OrtValue prepareInputData() {
        // 准备输入数据并返回OrtValue对象
        // TODO: 添加输入数据的代码
        return null;
    }

    private void processOutputData(OrtValue output) {
        // 处理输出数据
        // TODO: 添加处理输出数据的代码
    }
}

<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />