android蓝牙控制PC端代码分享

引言

在安卓端通过蓝牙发送指令到PC端，java程序接收指令，并执行相应的动作。其中指令格式有所规范，PC端的java程序通过robot库进行操作

代码

控制类remotePC.java

import java.awt.AWTException;
import java.awt.Dimension;
import java.awt.Robot;
import java.awt.Toolkit;
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import java.io.IOException;

public class remotePC {
  //保存当前鼠标指针的坐标（px,py）
  private static int px;
  private static int py;
  //最大延迟时间：1秒
  public static final int MAX_DELAY = 1000;
  //最小间隔时间：1毫秒
  public static final int SAMPLE_TIME_DIV = 1;
  //魔法数字，用于设置默认的事件delay时间间隔
  private final double magicX = 1.0;
  //视觉延迟：默认100ms
  private final int VISIBAL_MOVEMENT = 100;
  //PC屏幕尺寸
  private int screenWidth;
  private int screenHeight;
  //手机屏幕尺寸
  private int mobileWidth;
  private int mobileHeight;
  //手机电脑尺寸转换的比例
  private double widScale;
  private double heiScale;
  //用于控制的robot类
  private Robot robot;

  //默认构造函数
  public remotePC() throws AWTException{
    this(1366, 768);
  }
  //构造函数，指定手机屏幕尺寸
  public remotePC(int mobileWidth, int mobileHeight) throws AWTException{
    robot = new Robot();
    robot.setAutoDelay((int)magicX);
    setScreenSize();
    this.mobileHeight = mobileHeight;
    this.mobileWidth = mobileWidth;
    setScale();
  }
  public void moveToCenter(){
    this.move(screenWidth/2, screenHeight/2, 1);
  }
  //[鼠标光标移动]
  //dt:间隔时间，时间长短对应速度
  //dx,dy:手机上移动的相对横纵位移，自动转换为pc上应该移动的尺寸
  public void move(int dx, int dy, int dt){
    double deltaX = (1.0*dx/widScale);
    double deltaY = (1.0*dy/heiScale);
    int dxpms = (int)deltaX/dt;
    int dypms = (int)deltaY/dt;
    for(int i=0; i<dt; i++){
      px += dxpms;
      py += dypms;
      if(px <= 0){
        px = 0;
      }else if(px >= screenWidth){
        px = screenWidth;
      }
      if(py <= 0){
        py = 0;
      }else if(py >= screenHeight){
        py = screenHeight;
      }
      robot.mouseMove((int)px, (int)py);
    }
  }
  //[按下鼠标左键]
  public void pressMouseL(){
    robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
  }
  //[释放鼠标左键]
  public void releaseMouseL(){
    robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
  }
  //[点击一下鼠标左键]
  public void clickMouseL(){
    this.pressMouseL();
    this.releaseMouseL();
  }
  //[按下鼠标右键]
  public void pressMouseR(){
    robot.mousePress(InputEvent.BUTTON3_DOWN_MASK);
  }
  //[释放鼠标右键]
  public void releaseMouseR(){
    robot.mouseRelease(InputEvent.BUTTON3_DOWN_MASK);
  }
  //[点击鼠标右键]
  public void clickMouseR(){
    this.pressMouseR();
    this.releaseMouseR();
  }
  //[按下滚轮]
  public void pressWheel(){
    robot.mousePress(InputEvent.BUTTON2_DOWN_MASK);
  }
  //[释放滚轮]
  public void releaseWheel(){
    robot.mouseRelease(InputEvent.BUTTON2_DOWN_MASK);
  }
  //[滚轮往下移动]：step是移动步数，相对于滚轮的一格
  public void wheelDown(int step){
    for(int i=0; i<step; i++){
      robot.mouseWheel(1);
    }
  }
  //[滚轮往上移动]：step是移动步数，相对于滚轮的一格
  public void wheelUp(int step){
    for(int i=0; i<step; i++){
      robot.mouseWheel(-1);
    }
  }
  //[敲一格字符：A-Z]：c为字母的char类型字符，必须是大写的
  public void printChar(char c){
    if(c <= 'Z' && c >= 'A'){
      robot.keyPress((int)c);
      robot.keyRelease((int)c);
    }
  }
  //[敲一个空格]
  public void printSpace(){
    robot.keyPress(KeyEvent.VK_SPACE);
    robot.keyRelease(KeyEvent.VK_SPACE);
  }
  //[放大]相当于ctrl+滚轮上移
  public void zoomIn(int step){
    robot.keyPress(KeyEvent.VK_CONTROL);
    for(int i=0; i<step; i++)
      robot.mouseWheel(-1);
    robot.keyRelease(KeyEvent.VK_CONTROL);
  }
  //[缩小]相当于ctrl+滚轮下移
  public void zoomOut(int step){
    robot.keyPress(KeyEvent.VK_CONTROL);
    for(int i=0; i<step; i++)
      robot.mouseWheel(1);
    robot.keyRelease(KeyEvent.VK_CONTROL);
  }
  //[显示app切换栏]相当于alt+tab，并且alt不放开，一旦调用该函数后，需要手动调用closeSwitchApps()来释放alt按键
  public void showSwitchApps(){
    robot.keyPress(KeyEvent.VK_ALT);
    robot.keyPress(KeyEvent.VK_TAB);
    robot.keyRelease(KeyEvent.VK_TAB);
    //robot.keyRelease(KeyEvent.VK_ALT);
  }
  //[app向右切换]相当于在按了alt+tab的情况下再按一次tab
  public void tabRight(){
    robot.keyPress(KeyEvent.VK_TAB);
    robot.keyRelease(KeyEvent.VK_TAB);
  }
  //[app向左切换]相当于在按了alt+tab的情况下再按一次shift+tab
  public void tabLeft(){
    robot.keyPress(KeyEvent.VK_SHIFT);
    robot.keyPress(KeyEvent.VK_TAB);
    robot.keyRelease(KeyEvent.VK_TAB);
    robot.keyRelease(KeyEvent.VK_SHIFT);
  }
  //[关闭app切换栏]在使用showSwitchApps()后必须调用该函数来释放alt
  public void closeSwitchApps(){
    robot.keyRelease(KeyEvent.VK_ALT);
  }
  //[app回切/左切一次]：按下shift+alt+tab，并释放
  public void simpleLeftSwitchApp(){
    this.showSwitchApps();
    this.delay(VISIBAL_MOVEMENT);
    this.tabLeft();
    this.tabLeft();
    this.delay(VISIBAL_MOVEMENT);
    this.closeSwitchApps();
  }
  //[app切换/右切一次]：按下alt+tab，并释放
  public void simpleRightSwitchApp(){
    this.showSwitchApps();
    this.delay(VISIBAL_MOVEMENT);
    this.closeSwitchApps();
  }
  //[显示当前window下所有app]：相当于window+tab
  public void listAppsWindow(){
    robot.keyPress(KeyEvent.VK_WINDOWS);
    robot.keyPress(KeyEvent.VK_TAB);
    robot.keyRelease(KeyEvent.VK_TAB);
    robot.keyRelease(KeyEvent.VK_WINDOWS);
  }
  //[显示桌面/隐藏app]：相当于window+M
  public void showDesktop(){
    robot.keyPress(KeyEvent.VK_WINDOWS);
    robot.keyPress(KeyEvent.VK_M);
    robot.keyRelease(KeyEvent.VK_M);
    robot.keyRelease(KeyEvent.VK_WINDOWS);
  }
  //[当前窗口最大化]：相当于window+UP
  public void windowUp(){
    robot.keyPress(KeyEvent.VK_WINDOWS);
    robot.keyPress(KeyEvent.VK_UP);
    robot.keyRelease(KeyEvent.VK_UP);
    robot.keyRelease(KeyEvent.VK_WINDOWS);
  }
  //[取消当前窗口最大化]:相当于window+DOWN
  public void windowDown(){
    robot.keyPress(KeyEvent.VK_WINDOWS);
    robot.keyPress(KeyEvent.VK_DOWN);
    robot.keyRelease(KeyEvent.VK_DOWN);
    robot.keyRelease(KeyEvent.VK_WINDOWS);
  }
  //[窗口置于左侧/多窗口并排]：相当于window+LEFT
  public void windowLeft(){
    //TODO: window + Left
    robot.keyPress(KeyEvent.VK_WINDOWS);
    robot.keyPress(KeyEvent.VK_LEFT);
    robot.keyRelease(KeyEvent.VK_LEFT);
    robot.keyRelease(KeyEvent.VK_WINDOWS);
  }
  //[窗口置于右侧/多窗口并排]：相当于window+RIGHT
  public void windowRight(){
    //TODO: window + Right
    robot.keyPress(KeyEvent.VK_WINDOWS);
    robot.keyPress(KeyEvent.VK_RIGHT);
    robot.keyRelease(KeyEvent.VK_RIGHT);
    robot.keyRelease(KeyEvent.VK_WINDOWS);
  }
  //[切换桌面:左切]:window+control+left
  public void leftSwitchWindow(){
    robot.keyPress(KeyEvent.VK_WINDOWS);
    robot.keyPress(KeyEvent.VK_CONTROL);
    robot.keyPress(KeyEvent.VK_LEFT);
    robot.keyRelease(KeyEvent.VK_LEFT);
    robot.keyRelease(KeyEvent.VK_CONTROL);
    robot.keyRelease(KeyEvent.VK_WINDOWS);
  }
  //[切换桌面:右切]:window+control+right
  public void rightSwitchWindow(){
    robot.keyPress(KeyEvent.VK_WINDOWS);
    robot.keyPress(KeyEvent.VK_CONTROL);
    robot.keyPress(KeyEvent.VK_RIGHT);
    robot.keyRelease(KeyEvent.VK_RIGHT);
    robot.keyRelease(KeyEvent.VK_CONTROL);
    robot.keyRelease(KeyEvent.VK_WINDOWS);
  }
  //[快速打开记事本]
  public void openNotepad(){
    try {
      Runtime.getRuntime().exec("notepad");
    } catch (IOException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
  }
  //[快速打开画图板]
  public void openPaint(){
    try {
      Runtime.getRuntime().exec("mspaint");
    } catch (IOException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
  }
  //[ppt笔]
  public void setDraw(){
    robot.keyPress(KeyEvent.VK_CONTROL);
    robot.keyPress(KeyEvent.VK_P);
    robot.keyRelease(KeyEvent.VK_CONTROL);
    robot.keyRelease(KeyEvent.VK_P);
  }
  //[ppt激光笔]
  public void setLaser(){
    robot.keyPress(KeyEvent.VK_CONTROL);
    robot.keyPress(KeyEvent.VK_L);
    robot.keyRelease(KeyEvent.VK_CONTROL);
    robot.keyRelease(KeyEvent.VK_L);
  }
  //[ppt荧光笔]
  public void setMark(){
    robot.keyPress(KeyEvent.VK_CONTROL);
    robot.keyPress(KeyEvent.VK_I);
    robot.keyRelease(KeyEvent.VK_CONTROL);
    robot.keyRelease(KeyEvent.VK_I);
  }
  //[ppt隐藏鼠标]
  public void hideMouse(){
    robot.keyPress(KeyEvent.VK_CONTROL);
    robot.keyPress(KeyEvent.VK_H);
    robot.keyRelease(KeyEvent.VK_CONTROL);
    robot.keyRelease(KeyEvent.VK_H);
  }
  //[ppt 上一张]
  public void prevSlide(){
    robot.keyPress(KeyEvent.VK_LEFT);
    robot.keyRelease(KeyEvent.VK_LEFT);
  }
  //[ppt 下一张]
  public void nextSlide(){
    robot.keyPress(KeyEvent.VK_RIGHT);
    robot.keyRelease(KeyEvent.VK_RIGHT);
  }
  //延迟函数，延迟ms个毫秒
  public void delay(int ms){
    robot.delay(ms);
  }
  //获得当前PC屏幕的尺寸
  public void setScreenSize(){
    Dimension screensize = Toolkit.getDefaultToolkit().getScreenSize();

    screenWidth = (int)screensize.getWidth();
    screenHeight = (int)screensize.getHeight();
  }  
  //打印当前PC屏幕的尺寸
  public String getScreenInfo(){
    return "screenSize:"+screenWidth+"*"+screenHeight;
  }
  //设置手机和PC屏幕尺寸的转换比
  private void setScale(){
    heiScale = -1.0 / 1.5;
    widScale = 1.0 / 3.0;
  }


}

PC端通过蓝牙和安卓app交互：BluetoothServer.java

/**
 * Created by luyudi on 2016/11/9.
 * Modified by Lannooo on 2016/12/4.
 */
// server
import java.awt.*;
import java.io.InputStream;
import java.io.IOException;
import javax.bluetooth.UUID;
import javax.microedition.io.Connector;
import javax.microedition.io.StreamConnection;
import javax.microedition.io.StreamConnectionNotifier;

public class BlueToothServer implements Runnable {
  private remotePC Controller;
  // 下面的UUID必须和手机客户端的UUID相一致
  private static UUID ECHO_SERVER_UUID= new UUID("aeb9f938a1a34947ace29ebd0c67adf1", false);
  // 流连接通知 用于创建流连接
  private StreamConnectionNotifier myPCConnNotifier = null;
  // 流连接
  private StreamConnection streamConn = null;
  // 接受数据字节流
  // 接收x y 坐标
  private byte[] acceptedByteArray = new byte[1024];
  // 读取（输入）流
  private InputStream inputStream = null;

  // 主线程
  public static void main(String[] args) {
    new BlueToothServer();
  }

  public BlueToothServer() {
    try {
      String url = "btspp://localhost:" + ECHO_SERVER_UUID.toString();
      // 得到流连接通知
      myPCConnNotifier = (StreamConnectionNotifier) Connector.open(url);
      Controller = new remotePC();
    } catch (Exception e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
    // 打开连接通道并读取流线程
    new Thread(this).start();
  }
  public static int getInt(byte[] bytes){
    return (0xff & bytes[3])       |
        (0xff00 & (bytes[2] << 8))  |
        (0xff0000 & (bytes[1] << 16)) |
        (0xff000000 & (bytes[0] << 24));
  }
  public static float getFloat(byte[] b){
    return Float.intBitsToFloat(getInt(b));
  }
  @Override
  public void run() {
    try {
      boolean isMouseLPressed = false;
      boolean isWheelPressed = false;
      boolean end = false;

      while (true) {
        // 持续保持着监听客户端的连接请求
        // 获取流连接
        streamConn = myPCConnNotifier.acceptAndOpen();
        // 获取流通道
        inputStream = streamConn.openInputStream();
        // 循环读取字节流，判断code类型和x，y坐标
        while (inputStream.read(acceptedByteArray) != -1) {
          String acceptString = new String(acceptedByteArray);
          int index;
          if((index = acceptString.indexOf("RemoteTouch")) != -1) {
            byte[] codeBytes = new byte[4];
            byte[] dxBytes = new byte[6];
            byte[] dyBytes = new byte[6];
            System.arraycopy(acceptedByteArray, index + 11, codeBytes, 0, 4);
            System.arraycopy(acceptedByteArray, index + 15, dyBytes, 0, 6);
            System.arraycopy(acceptedByteArray, index + 21, dxBytes, 0, 6);
            int dy = Integer.parseInt(new String(dyBytes));
            int dx = Integer.parseInt(new String(dxBytes));
            int code = getInt(codeBytes);
            if (end) {
              inputStream.close();
              if (streamConn != null) {
                streamConn.close();
                System.out.println("Disconnected...");
              }
              break;
            }
            switch (code) {
              case 1://按下鼠标左键
                isMouseLPressed = true;
                Controller.pressMouseL();
                System.out.println("Pressing mouse L");
                break;
              case 2://释放鼠标左键
                if (isMouseLPressed) {
                  Controller.releaseMouseL();
                  System.out.println("Released mouse L");
                  isMouseLPressed=false;
                }
                break;
              case 3://点击鼠标左键
                Controller.clickMouseL();
                System.out.println("Clicked mouse L");
                break;
              case 4://点击鼠标右键
                Controller.clickMouseR();
                System.out.println("Clicked mouse R");
                break;
              case 5://按下滚轮
//           isWheelPressed = true;
//           Controller.pressWheel();
//           System.out.println("Pressing wheel");
                break;
              case 6://释放滚轮
//           if(isWheelPressed){
//             Controller.releaseWheel();
//             System.out.println("Released wheel");
//           }
                break;
              case 7://滚轮滚动
                int step = Math.abs(dy) / 40;
                System.out.println("wheel");
                if (dy > 0) {
                  Controller.wheelDown(step);
                  System.out.printf("Wheel Down:%d steps. dy=%d\n", step, dy);
                } else {
                  Controller.wheelUp(step);
                  System.out.printf("Wheel Up:%d steps. dy=%d\n", step, dy);
                }
                break;
              case 8://放大、缩小
                double s = Math.sqrt((double) (dx * dx + dy * dy));
                if (dx < 0) {
                  Controller.zoomOut((int) s / 20);
                  System.out.printf("Zoom out %d steps. dx=%d,dy=%d\n", (int) s / 20, dx, dy);
                } else {
                  Controller.zoomIn((int) s / 20);
                  System.out.printf("Zoom in %d steps. dx=%d,dy=%d\n", (int) s / 20, dx, dy);
                }
                break;
              case 9://显示可切换apps
                Controller.listAppsWindow();
                System.out.println("show Switch apps");
                break;
              case 10://显示桌面
                Controller.showDesktop();
                System.out.println("show desktop");
                break;
              case 11://app 右切
                Controller.simpleRightSwitchApp();
                System.out.println("switch app: right");
                break;
              case 12://app 左切
                Controller.simpleLeftSwitchApp();
                System.out.println("switch app: left");
                break;
              case 13://window 右切
                Controller.rightSwitchWindow();
                System.out.println("switch window right");
                break;
              case 14://window 左切
                Controller.leftSwitchWindow();
                System.out.println("switch window left");
                break;
              case 15://鼠标左键双击
                Controller.clickMouseL();
                Controller.delay(1);
                Controller.clickMouseL();
                System.out.println("clicked double mouse L");
                break;
              case 16://鼠标移动
                Controller.move(dx, dy, 1);
                //System.out.printf("Move mouse:dx=%d,dy=%d\n", dx, dy);
                break;
              case 17://左分屏
                Controller.windowLeft();
                System.out.println("Window divide: left");
                break;
              case 18://右分屏
                Controller.windowRight();
                System.out.println("Window divide: right");
                break;
              case 19: //上一张ppt
                Controller.prevSlide();
                System.out.println("previous slide");
                break;
              case 20:
                Controller.nextSlide();
                System.out.println("Next Slide");
                break;
              case 32: // PPT设置为隐藏鼠标
                Controller.hideMouse();
                System.out.println("Hide");
                break;
              case 33: // ppt激光笔
                Controller.setLaser();
                System.out.println("Laser");
                break;
              case 34: // ppt笔
                Controller.setDraw();
                System.out.println("Draw");
                break;
              case 35: // ppt 荧光笔
                Controller.setMark();
                System.out.println("Mark");
                break;
              case 100://退出
                end = true;
                System.out.println("Quit.");
                break;

              default://未识别
                System.out.println("Unknown code");
                break;
            }
          }
          // clear data
          acceptedByteArray = new byte[1024];
        }
      }
    } catch (IOException e) {
      e.printStackTrace();
    }
  }
}

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