SerialPort/app/src/main/java/cn/minbb/serial/activities/MainActivity.java

package cn.minbb.serial.activities;

import android.os.Bundle;
import android.os.Environment;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import java.io.File;
import java.util.Arrays;

import butterknife.BindView;
import butterknife.ButterKnife;
import cn.minbb.serial.R;
import cn.minbb.serialport.SerialPortManager;
import cn.minbb.serialport.listener.OnDataProgressListener;
import cn.minbb.serialport.listener.OnOpenSerialPortListener;
import cn.minbb.serialport.listener.OnSerialPortDataListener;

public class MainActivity extends AppCompatActivity {

    @BindView(R.id.open_serial_port)
    Button openSerial;
    @BindView(R.id.close_serial_port)
    Button closeSerial;
    @BindView(R.id.send_string)
    Button sendString;
    @BindView(R.id.send_file)
    Button sendFile;
    @BindView(R.id.edit_text)
    EditText editText;
    @BindView(R.id.text_view)
    TextView textView;

    private String TAG = "MainActivity";
    private SerialPortManager serialPortManager = SerialPortManager.getInstance();

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

        closeSerial.setEnabled(false);
        sendString.setEnabled(false);
        sendFile.setEnabled(false);

        serialPortManager.setOnOpenSerialPortListener(new OnOpenSerialPortListener() {
            @Override
            public void onSuccess(File device) {
                Toast.makeText(getApplicationContext(), "串口打开成功", Toast.LENGTH_SHORT).show();
            }

            @Override
            public void onFail(File device, Status status) {
                Toast.makeText(getApplicationContext(), "串口打开失败：" + status.getDescription(), Toast.LENGTH_SHORT).show();
            }
        });
        serialPortManager.setOnSerialPortDataListener(new OnSerialPortDataListener() {
            @Override
            public void onDataReceived(byte[] bytes, String data) {
                runOnUiThread(() -> {
                    Toast.makeText(getApplicationContext(), data, Toast.LENGTH_SHORT).show();
//                    setText(data, data.length());
                    setText(Arrays.toString(bytes), bytes.length);
//                    try {
//                        if (serialPortManager.sendBytes(bytes1)) {
//                            Toast.makeText(getApplicationContext(), "发送成功 = " + data, Toast.LENGTH_SHORT).show();
//                        } else {
//                            Toast.makeText(getApplicationContext(), "发送失败", Toast.LENGTH_SHORT).show();
//                        }
//                    } catch (Exception e) {
//                        e.printStackTrace();
//                        Toast.makeText(getApplicationContext(), "发送失败 " + e.getMessage(), Toast.LENGTH_SHORT).show();
//                    }
                });
            }

            @Override
            public void onDataSent(byte[] bytes) {
            }
        });
    }

    private void setText(String data, double size) {
        String string = "data = " + data + ": " + size + "\n" + textView.getText();
        textView.setText(string);
    }

    public void onClick(View view) throws Exception {
        switch (view.getId()) {
            case R.id.open_serial_port:
                if (null != serialPortManager.openDefaultSerialPort()) {
                    Toast.makeText(getApplicationContext(), "串口打开成功", Toast.LENGTH_SHORT).show();
                    openSerial.setEnabled(false);
                    closeSerial.setEnabled(true);
                    sendString.setEnabled(true);
                    sendFile.setEnabled(true);
                } else {
                    Toast.makeText(getApplicationContext(), "串口打开失败", Toast.LENGTH_SHORT).show();
                }
                break;
            case R.id.close_serial_port:
                Toast.makeText(getApplicationContext(), "串口已关闭", Toast.LENGTH_SHORT).show();
                serialPortManager.closeSerialPort();
                openSerial.setEnabled(true);
                closeSerial.setEnabled(false);
                sendString.setEnabled(false);
                sendFile.setEnabled(false);
                break;
            case R.id.clear_send:
                editText.setText("");
                break;
            case R.id.clear_text:
                textView.setText("");
                break;
            case R.id.send_string:
                // byte[] reportID = {0x0};
                // byte[] data = ByteUtil.addBytes(reportID, editText.getText().toString().getBytes());
                String s = editText.getText().toString();
                serialPortManager.sendString(s, (progress, index, total, bytes) -> runOnUiThread(() -> setText(Arrays.toString(bytes), bytes.length)));
                setText("发送字符：" + s, s.length());
                Toast.makeText(getApplicationContext(), "数据已发送", Toast.LENGTH_SHORT).show();
                break;
            case R.id.send_file:
                File file = new File(Environment.getExternalStorageDirectory(), "Documents/image.jpg");
                Toast.makeText(getApplicationContext(), file.toString(), Toast.LENGTH_SHORT).show();
                serialPortManager.sendFile(file, (progress, index, total, bytes) -> runOnUiThread(() -> setText("发送文件进度", progress)));
                break;
        }
    }
}