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Qt Android GPS update Timeout every second time

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  • S Offline
    S Offline
    sharethl
    wrote on last edited by sharethl
    #1

    I have GPS code that work sometime. Anyone what could be wrong?

    Thanks

    #include "MainWindow.h"
    #include "ui_MainWindow.h"
    #include <QDebug>
    
    MainWindow::MainWindow(QWidget *parent) :
        QMainWindow(parent),
        ui(new Ui::MainWindow)
    {
        ui->setupUi(this);
        _positionSource = QGeoPositionInfoSource::createDefaultSource(this);
    //    _positionSource->setPreferredPositioningMethods(QGeoPositionInfoSource::
    //                                                  AllPositioningMethods);
        connect(_positionSource, &QGeoPositionInfoSource::positionUpdated, this, &MainWindow::onPositionUpdated );
        connect(_positionSource, &QGeoPositionInfoSource::updateTimeout, this, &MainWindow::onPositionTimeout );
    }
    
    MainWindow::~MainWindow()
    {
        delete ui;
    }
    
    void MainWindow::on_pushButton_clicked()
    {
        _positionSource->requestUpdate(5000);
    }
    
    void MainWindow::onPositionUpdated(const QGeoPositionInfo &update)
    {
        ui->pushButton->setText(update.coordinate().toString());
        qDebug() << "updated";
    }
    
    void MainWindow::onPositionTimeout()
    {
        ui->pushButton->setText("Timeout");
        qDebug() << "timeout";
    }
    
    
    S 1 Reply Last reply
    0
    • S sharethl

      I have GPS code that work sometime. Anyone what could be wrong?

      Thanks

      #include "MainWindow.h"
      #include "ui_MainWindow.h"
      #include <QDebug>
      
      MainWindow::MainWindow(QWidget *parent) :
          QMainWindow(parent),
          ui(new Ui::MainWindow)
      {
          ui->setupUi(this);
          _positionSource = QGeoPositionInfoSource::createDefaultSource(this);
      //    _positionSource->setPreferredPositioningMethods(QGeoPositionInfoSource::
      //                                                  AllPositioningMethods);
          connect(_positionSource, &QGeoPositionInfoSource::positionUpdated, this, &MainWindow::onPositionUpdated );
          connect(_positionSource, &QGeoPositionInfoSource::updateTimeout, this, &MainWindow::onPositionTimeout );
      }
      
      MainWindow::~MainWindow()
      {
          delete ui;
      }
      
      void MainWindow::on_pushButton_clicked()
      {
          _positionSource->requestUpdate(5000);
      }
      
      void MainWindow::onPositionUpdated(const QGeoPositionInfo &update)
      {
          ui->pushButton->setText(update.coordinate().toString());
          qDebug() << "updated";
      }
      
      void MainWindow::onPositionTimeout()
      {
          ui->pushButton->setText("Timeout");
          qDebug() << "timeout";
      }
      
      
      S Offline
      S Offline
      sharethl
      wrote on last edited by
      #2

      @sharethl Seems increase time out to 10 seconds will increase the possibility of success

      1 Reply Last reply
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