利用 qt 开发 安卓 app ，采集手机传感器数据 并通过udp 发送

#ifndef UDPLINK_H
#define UDPLINK_H#include <QObject>
#include <QUdpSocket>
#include <QHostAddress>class UdpLink : public QObject
{Q_OBJECT
public:explicit UdpLink(QObject *parent = nullptr);void setAddress(QString _ip,quint16 _port);void sendData(QByteArray ba);signals:
private:QString ip;quint16 port;QUdpSocket socket;
};#endif // UDPLINK_H

#include "udplink.h"UdpLink::UdpLink(QObject *parent): QObject{parent}
{}void UdpLink::setAddress(QString _ip, quint16 _port)
{ip=_ip;port = _port;
}void UdpLink::sendData(QByteArray ba)
{socket.writeDatagram(ba, QHostAddress(ip), port);
}

#ifndef APP_H
#define APP_H#include <QObject>
#include <udplink.h>
#include <atomic>#include <QAccelerometer>
#include <QGyroscope>
#include <QRotationSensor>
#include <QLightSensor>class App : public QObject
{Q_OBJECTQ_PROPERTY(bool isRuning READ getIsRuning WRITE setIsRuning NOTIFY isRuningChanged)
public:explicit App(QObject *parent = nullptr);Q_INVOKABLE void start(QString ip);Q_INVOKABLE void stop();bool getIsRuning() const;void setIsRuning(bool newIsRuning);signals:void gyroValue(qreal x,qreal y,qreal z);void accelerValue(qreal x,qreal y,qreal z);void rotationValue(qreal x,qreal y,qreal z);void lightValue(qreal lux);void logInfo(QString str);void isRuningChanged();private:UdpLink udplink;bool isRuning{false};//陀螺QGyroscope *gyroscope;QGyroscopeReading *gyroreader;//加速度计QAccelerometer *acceler;QAccelerometerReading *accelereader;//旋转QRotationSensor *rotationSensor;QRotationReading *rotationReading;//光线QLightSensor *lightSensor;QLightReading *lightReading;
};#endif // APP_H

#include "app.h"
#include <QtConcurrent>
#include <chrono>
#include <thread>
#include <QJsonDocument>
#include <QJsonArray>
#include <QJsonObject>
#include <QJsonValue>App::App(QObject *parent): QObject{parent}
{}void App::start(QString ip)
{udplink.setAddress(ip,8023);qDebug()<<"start "<<ip;gyroscope = new QGyroscope(this);connect(gyroscope, &QGyroscope::readingChanged, this, [&](){gyroreader = gyroscope->reading();QJsonObject obj_root;QJsonArray arr;qreal gyroscopex = gyroreader->x();qreal gyroscopey = gyroreader->y();qreal gyroscopez = gyroreader->z();arr.append(QString::number(gyroscopex,'f',2));arr.append(QString::number(gyroscopey,'f',2));arr.append(QString::number(gyroscopez,'f',2));obj_root.insert("QGyroscope",arr);QJsonDocument jsonDocu(obj_root);QByteArray jsonData = jsonDocu.toJson();udplink.sendData(jsonData);emit gyroValue(gyroscopex,gyroscopey,gyroscopez);});acceler = new QAccelerometer(this);acceler->setAccelerationMode(QAccelerometer::Combined);connect(acceler, &QAccelerometer::readingChanged, this, [&](){accelereader = acceler->reading();QJsonObject obj_root;QJsonArray arr;qreal accelerx = accelereader->x();qreal accelery = accelereader->y();qreal accelerz = accelereader->z();arr.append(QString::number(accelerx,'f',2));arr.append(QString::number(accelery,'f',2));arr.append(QString::number(accelerz,'f',2));obj_root.insert("QAccelerometer",arr);QJsonDocument jsonDocu(obj_root);QByteArray jsonData = jsonDocu.toJson();udplink.sendData(jsonData);emit accelerValue(accelerx,accelery,accelerz);});rotationSensor = new QRotationSensor(this);connect(rotationSensor, &QRotationSensor::readingChanged, this, [&](){rotationReading = rotationSensor->reading();QJsonObject obj_root;QJsonArray arr;qreal rotationx = rotationReading->x();qreal rotationy = rotationReading->y();qreal rotationz = rotationReading->z();arr.append(QString::number(rotationx,'f',2));arr.append(QString::number(rotationy,'f',2));arr.append(QString::number(rotationz,'f',2));obj_root.insert("QRotationSensor",arr);QJsonDocument jsonDocu(obj_root);QByteArray jsonData = jsonDocu.toJson();udplink.sendData(jsonData);emit rotationValue(rotationx,rotationy,rotationz);});lightSensor = new QLightSensor(this);connect(lightSensor, &QLightSensor::readingChanged, this, [&](){lightReading = lightSensor->reading();QJsonObject obj_root;QJsonArray arr;qreal lux = lightReading->lux();arr.append(QString::number(lux,'f',2));obj_root.insert("QLightSensor",arr);QJsonDocument jsonDocu(obj_root);QByteArray jsonData = jsonDocu.toJson();udplink.sendData(jsonData);emit lightValue(lux);});if(gyroscope->start()&&acceler->start()&&rotationSensor->start()&&lightSensor->start()){setIsRuning(true);emit logInfo(QString::fromUtf8("启动成功"));}else{setIsRuning(false);emit logInfo(QString::fromUtf8("启动失败"));}
}void App::stop()
{gyroscope->stop();acceler->stop();rotationSensor->stop();lightSensor->stop();setIsRuning(false);
}bool App::getIsRuning() const
{return isRuning;
}void App::setIsRuning(bool newIsRuning)
{if (isRuning == newIsRuning)return;isRuning = newIsRuning;emit isRuningChanged();
}

import QtQuick 2.15
import QtQuick.Window 2.15
import QtQuick.Controls 2.15
import QtQuick.Layouts 1.15
import App 1.0Window {id:rootwidth: 640height: 480visible: truetitle: qsTr("数据采集")App{id:apponGyroValue: {var str = '陀螺仪:'+x.toFixed(2)+' '+y.toFixed(2)+' '+z.toFixed(2)gyroLabel.text = str}onAccelerValue: {var str = '加速度计:'+x.toFixed(2)+' '+y.toFixed(2)+' '+z.toFixed(2)accelerLabel.text = str}onRotationValue: {var str = '旋转:'+x.toFixed(2)+' '+y.toFixed(2)+' '+z.toFixed(2)rotationLabel.text = str}onLightValue: {var str = '光线:'+lux.toFixed(2)lightLabel.text=str}onLogInfo: {debugInof.text=str}}RowLayout{id:topBaranchors.margins: 5anchors.top: parent.topanchors.left: parent.leftspacing: 5Rectangle{id:addressLayout.alignment: Qt.AlignHCenterheight: linkBtn.heightwidth: 200border.color: "black"border.width: 1TextInput{id:ipanchors.fill: parentverticalAlignment:Text.AlignVCenterhorizontalAlignment:Text.AlignHCentertext: "192.168.1"}}Button{id:linkBtnLayout.alignment: Qt.AlignHCentertext: !app.isRuning?"启动":"停止"onClicked: {if(!app.isRuning){app.start(ip.text)}else{app.stop()}}}}ColumnLayout{anchors.left:parent.leftanchors.right:parent.rightanchors.top:topBar.bottomanchors.bottom:parent.bottomanchors.margins: 5Label{id:gyroLabelwidth: 200height: 50text: "陀螺仪"}Label{id:accelerLabelwidth: 200height: 50text: "加速度计"}Label{id:rotationLabelwidth: 200height: 50text: "旋转"}Label{id:lightLabelwidth: 200height: 50text:"光线"}TextEdit{id:debugInofheight: 50}}}