TestComm/app/src/main/java/com/xinyingpower/testcomm/MainActivity.java

package com.xinyingpower.testcomm;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.os.Handler;
import android.view.View;
import android.widget.TextView;

import com.xinyingpower.testcomm.databinding.ActivityMainBinding;

public class MainActivity extends AppCompatActivity {

    // Used to load the 'testcomm' library on application startup.
    static {
        System.loadLibrary("testcomm");
    }

    private ActivityMainBinding binding;

    View.OnClickListener onButtonClicked = new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            int viewId = view.getId();
            switch (viewId) {
                case R.id.turnOn:
                    turnOn();
                    break;
                case R.id.turnOff:
                    turnOff();
                    break;
                case R.id.turnLeft:
                    turnLeft();
                    break;
                case R.id.turnRight:
                    turnRight();
                    break;
                case R.id.turnUp:
                    turnUp();
                    break;
                case R.id.turnDown:
                    turnDown();
                    break;
                case R.id.zoomIn:
                    zoomIn();
                    break;
                case R.id.zoomOut:
                    zoomOut();
                    break;
                case R.id.turnOnWipers:
                    turnOnWipers();
                    break;
                case R.id.turnOffWipers:
                    turnOffWipers();
                    break;
                case R.id.turnOnLight:
                    turnOnLight();
                    break;
                case R.id.turnOffLight:
                    turnOffLight();
                    break;
                case R.id.setSpeed:
                {
                    int speed = 0;
                    try {
                        speed = Integer.parseInt(binding.speed.getText().toString());
                    } catch (Exception ex) {

                    }
                    setSpeed(speed);
                }
                    break;
                case R.id.setPreset:
                case R.id.gotoPreset:
                {
                    int preset = 0xFF;
                    try {
                        preset = Integer.parseInt(binding.preset.getText().toString());
                    } catch (Exception ex) {

                    }
                    if (viewId == R.id.setPreset) {
                        setPreset(preset);
                    } else {
                        gotoPreset(preset);
                    }
                }
                break;
            }
        }
    };

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        binding = ActivityMainBinding.inflate(getLayoutInflater());
        setContentView(binding.getRoot());

        binding.btnSpi.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                String s = binding.edtPort.getText().toString();
//                Integer integer = Integer.valueOf(s);
                String str = testSpi(0);
            }
        });

        Handler handler = new Handler();
        Runnable runnable = new Runnable() {
            @Override
            public void run() {
                binding.btnSpi.performClick();
            }
        };
        handler.postDelayed(runnable, 1000);
    }


    /**
     * A native method that is implemented by the 'testcomm' native library,
     * which is packaged with this application.
     */
    public native String stringFromJNI();

    public native String testSpi(int port);

    public native void turnLeft();
    public native void turnRight();
    public native void turnUp();
    public native void turnDown();

    public native void turnOn();
    public native void turnOff();

    public native void zoomIn(); // 拉近
    public native void zoomOut(); //

    public native void setSpeed(int speed);
    public native void setPreset(int preset);
    public native void gotoPreset(int preset);

    public native void turnOnWipers();
    public native void turnOffWipers();

    public native void turnOffLight();
    public native void turnOnLight();

}