diff --git a/fannyapp.pro b/fannyapp.pro
index 37c93f1..ebf0d42 100644
--- a/fannyapp.pro
+++ b/fannyapp.pro
@@ -1,6 +1,8 @@
 QT += qml quick quickcontrols2 xml
 CONFIG += c++11
 
+VERSION = 1.0.1
+
 # The following define makes your compiler emit warnings if you use
 # any feature of Qt which as been marked deprecated (the exact warnings
 # depend on your compiler). Please consult the documentation of the
diff --git a/headers/serverconn.h b/headers/serverconn.h
index 2b5b7c5..1b4e518 100644
--- a/headers/serverconn.h
+++ b/headers/serverconn.h
@@ -53,12 +53,8 @@ private:
     QString username;
     QString password;
 
-    QTimer *checkConnTimer;
-    int authErrorCount;
-
     ReturnData_t senddata(QUrl serviceUrl, QUrlQuery postData);
 
-
     QList<int> apiVersion = {0,2,1};
 
 private slots:
@@ -71,7 +67,6 @@ public:
 public slots:
     Q_INVOKABLE int login(QString username, QString password, bool permanent);
     Q_INVOKABLE int logout();
-    Q_INVOKABLE int checkConn();
     Q_INVOKABLE int getFoodPlan();
     Q_INVOKABLE int getEvents(QString day);
 
diff --git a/qml/Components/AppToolBar.qml b/qml/Components/AppToolBar.qml
index 08050b2..4be30a2 100644
--- a/qml/Components/AppToolBar.qml
+++ b/qml/Components/AppToolBar.qml
@@ -19,7 +19,7 @@
 import QtQuick 2.6
 import QtQuick.Controls 2.1
 import QtGraphicalEffects 1.0
-import QtQuick.Controls.Material 2.3
+import QtQuick.Controls.Material 2.1
 
 Item {
     id: control
diff --git a/qml/Components/EventView.qml b/qml/Components/EventView.qml
index 0ed83e7..6d77616 100644
--- a/qml/Components/EventView.qml
+++ b/qml/Components/EventView.qml
@@ -17,8 +17,8 @@
  */
 
 import Backend 1.0
-import QtQuick 2.9
-import QtQuick.Controls 2.4
+import QtQuick 2.1
+import QtQuick.Controls 2.2
 
 FannyDataListView {
     id: eventList
diff --git a/qml/Components/FancyButton.qml b/qml/Components/FancyButton.qml
index 1e49121..6f31c7a 100644
--- a/qml/Components/FancyButton.qml
+++ b/qml/Components/FancyButton.qml
@@ -16,10 +16,10 @@
     along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.9
-import QtQuick.Controls 2.4
+import QtQuick 2.1
+import QtQuick.Controls 2.2
 import QtGraphicalEffects 1.0
-import QtQuick.Controls.Material 2.3
+import QtQuick.Controls.Material 2.1
 
 Button {
     id: control
@@ -84,8 +84,6 @@ Button {
        height: parent.height * 0.5
        width: height
 
-       mipmap: true
-
        fillMode: Image.PreserveAspectFit
 
        scale: control.imageScale
diff --git a/qml/Components/FannyDataListView.qml b/qml/Components/FannyDataListView.qml
index aa14bbd..6affe30 100644
--- a/qml/Components/FannyDataListView.qml
+++ b/qml/Components/FannyDataListView.qml
@@ -17,8 +17,8 @@
  */
 
 import Backend 1.0
-import QtQuick 2.9
-import QtQuick.Controls 2.4
+import QtQuick 2.1
+import QtQuick.Controls 2.2
 
 ListView {
     id: control
diff --git a/qml/Components/FoodPlanView.qml b/qml/Components/FoodPlanView.qml
index 784f06c..d1ab6f0 100644
--- a/qml/Components/FoodPlanView.qml
+++ b/qml/Components/FoodPlanView.qml
@@ -17,8 +17,8 @@
  */
 
 import Backend 1.0
-import QtQuick 2.9
-import QtQuick.Controls 2.4
+import QtQuick 2.1
+import QtQuick.Controls 2.2
 
 FannyDataListView {
     id: foodList
diff --git a/qml/Components/InfoArea.qml b/qml/Components/InfoArea.qml
index 6f4e646..6d8be97 100644
--- a/qml/Components/InfoArea.qml
+++ b/qml/Components/InfoArea.qml
@@ -17,7 +17,7 @@
  */
 
 import QtQuick 2.9
-import QtQuick.Controls 2.4
+import QtQuick.Controls 2.2
 
 Item {
     id: infoArea
diff --git a/qml/Components/ProgressCircle.qml b/qml/Components/ProgressCircle.qml
deleted file mode 100644
index 66042dd..0000000
--- a/qml/Components/ProgressCircle.qml
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
-    Fannyapp - Application to view the cover plan of the Fanny-Leicht-Gymnasium ins Stuttgart Vaihingen, Germany
-    Copyright (C) 2019  Itsblue Development <development@itsblue.de>
-
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU Affero General Public License as published
-    by the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU Affero General Public License for more details.
-
-    You should have received a copy of the GNU Affero General Public License
-    along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-import QtQuick 2.0
-import QtQml 2.2
-
-Item {
-    id: root
-
-    width: size
-    height: size
-
-    property int size: 200               // The size of the circle in pixel
-    property real arcBegin: 0            // start arc angle in degree
-    property real arcEnd: 270            // end arc angle in degree
-    property real arcOffset: 0           // rotation
-    property bool isPie: false           // paint a pie instead of an arc
-    property bool showBackground: false  // a full circle as a background of the arc
-    property real lineWidth: 20          // width of the line
-    property string colorCircle: "#CC3333"
-    property string colorBackground: "#779933"
-
-    property alias beginAnimation: animationArcBegin.enabled
-    property alias endAnimation: animationArcEnd.enabled
-
-    property int animationDuration: 20
-
-    onArcBeginChanged: canvas.requestPaint()
-    onArcEndChanged: canvas.requestPaint()
-
-    Behavior on arcBegin {
-       id: animationArcBegin
-       enabled: true
-       NumberAnimation {
-           duration: root.animationDuration
-           easing.type: Easing.InOutCubic
-       }
-    }
-
-    Behavior on arcEnd {
-       id: animationArcEnd
-       enabled: true
-       NumberAnimation {
-           duration: root.animationDuration
-           easing.type: Easing.InOutCubic
-       }
-    }
-
-    Canvas {
-        id: canvas
-        anchors.fill: parent
-        rotation: -90 + parent.arcOffset
-
-        onPaint: {
-            var ctx = getContext("2d")
-            var x = width / 2
-            var y = height / 2
-            var start = Math.PI * (parent.arcBegin / 180)
-            var end = Math.PI * (parent.arcEnd / 180)
-            ctx.reset()
-
-            if (root.isPie) {
-                if (root.showBackground) {
-                    ctx.beginPath()
-                    ctx.fillStyle = root.colorBackground
-                    ctx.moveTo(x, y)
-                    ctx.arc(x, y, width / 2, 0, Math.PI * 2, false)
-                    ctx.lineTo(x, y)
-                    ctx.fill()
-                }
-                ctx.beginPath()
-                ctx.fillStyle = root.colorCircle
-                ctx.moveTo(x, y)
-                ctx.arc(x, y, width / 2, start, end, false)
-                ctx.lineTo(x, y)
-                ctx.fill()
-            } else {
-                if (root.showBackground) {
-                    ctx.beginPath();
-                    ctx.arc(x, y, (width / 2) - parent.lineWidth / 2, 0, Math.PI * 2, false)
-                    ctx.lineWidth = root.lineWidth
-                    ctx.strokeStyle = root.colorBackground
-                    ctx.stroke()
-                }
-                ctx.beginPath();
-                ctx.arc(x, y, (width / 2) - parent.lineWidth / 2, start, end, false)
-                ctx.lineWidth = root.lineWidth
-                ctx.strokeStyle = root.colorCircle
-                ctx.stroke()
-            }
-        }
-    }
-}
diff --git a/qml/Components/SettingsDelegate.qml b/qml/Components/SettingsDelegate.qml
index a6dda00..abba267 100644
--- a/qml/Components/SettingsDelegate.qml
+++ b/qml/Components/SettingsDelegate.qml
@@ -17,7 +17,7 @@
  */
 
 import QtQuick 2.0
-import QtQuick.Controls 2.4
+import QtQuick.Controls 2.2
 
 ItemDelegate {
     id: control
diff --git a/qml/Forms/FilterForm.qml b/qml/Forms/FilterForm.qml
index 3ca4897..4f6f9c5 100644
--- a/qml/Forms/FilterForm.qml
+++ b/qml/Forms/FilterForm.qml
@@ -16,10 +16,10 @@
     along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.9
-import QtQuick.Controls 2.4
+import QtQuick 2.1
+import QtQuick.Controls 2.2
 import QtQuick.Layouts 1.3
-import QtQuick.Controls.Material 2.3
+import QtQuick.Controls.Material 2.1
 import QtGraphicalEffects 1.0
 import QtQuick.Controls.impl 2.0
 import QtQuick.Templates 2.0 as T
@@ -275,7 +275,6 @@ Page {
                 background: Image {
                     source: "/graphics/icons/delete.png"
                     fillMode: Image.PreserveAspectFit
-                    mipmap: true
                 }
 
                 Behavior on scale {
diff --git a/qml/Forms/FoodPlanForm.qml b/qml/Forms/FoodPlanForm.qml
index fe03990..58fb7b1 100644
--- a/qml/Forms/FoodPlanForm.qml
+++ b/qml/Forms/FoodPlanForm.qml
@@ -16,8 +16,8 @@
     along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.9
-import QtQuick.Controls 2.4
+import QtQuick 2.1
+import QtQuick.Controls 2.2
 import QtGraphicalEffects 1.0
 import "../Components"
 
diff --git a/qml/Forms/HomeForm.qml b/qml/Forms/HomeForm.qml
index 5888f96..b142f09 100644
--- a/qml/Forms/HomeForm.qml
+++ b/qml/Forms/HomeForm.qml
@@ -16,9 +16,9 @@
     along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.9
-import QtQuick.Controls 2.4
-import QtQuick.Controls.Material 2.3
+import QtQuick 2.1
+import QtQuick.Controls 2.2
+import QtQuick.Controls.Material 2.1
 
 import "../Components"
 
@@ -133,31 +133,34 @@ Page {
                 onClicked: {
                     logoutConfirmationDialog.open()
                 }
-
-                Dialog {
-                    id: logoutConfirmationDialog
-
-                    x: (app.width - width) / 2
-                    y: (app.height - height) / 2
-                    parent: Overlay.overlay
-
-                    modal: true
-                    standardButtons: Dialog.Cancel | Dialog.Ok
-
-                    Material.theme: app.style.style.nameMaterialStyle === "Dark" ? Material.Dark:Material.Light
-
-                    Column {
-                        spacing: 20
-                        anchors.fill: parent
-                        Label {
-                            text: "Möchtest du dich wirklich abmelden?"
-                        }
-                    }
-                    onAccepted: {
-                        serverConn.logout()
-                    }
-                }
             }
         }
     }
+
+    Dialog {
+        id: logoutConfirmationDialog
+
+        x: (parent.width - width) / 2
+        y: (parent.height - height) / 2
+
+        modal: true
+        focus: true
+
+        standardButtons: Dialog.Cancel | Dialog.Ok
+
+        Material.theme: app.style.style.nameMaterialStyle === "Dark" ? Material.Dark:Material.Light
+
+        Column {
+            spacing: 20
+            anchors.fill: parent
+            Label {
+                text: "Möchtest du dich wirklich abmelden?"
+            }
+        }
+
+        onAccepted: {
+            serverConn.logout()
+        }
+    }
+
 }
diff --git a/qml/Forms/LoadingForm.qml b/qml/Forms/LoadingForm.qml
index 6a68eec..9d7939c 100644
--- a/qml/Forms/LoadingForm.qml
+++ b/qml/Forms/LoadingForm.qml
@@ -16,8 +16,8 @@
     along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.9
-import QtQuick.Controls 2.4
+import QtQuick 2.1
+import QtQuick.Controls 2.2
 
 Page {
     id: root
diff --git a/qml/Forms/SettingsForm.qml b/qml/Forms/SettingsForm.qml
index ef7a51a..d91dc30 100644
--- a/qml/Forms/SettingsForm.qml
+++ b/qml/Forms/SettingsForm.qml
@@ -17,7 +17,7 @@
  */
 
 import QtQuick 2.0
-import QtQuick.Controls 2.4
+import QtQuick.Controls 2.2
 
 import "../Components"
 
diff --git a/qml/Pages/LoginPage.qml b/qml/Pages/LoginPage.qml
index 9b850bf..9da974d 100644
--- a/qml/Pages/LoginPage.qml
+++ b/qml/Pages/LoginPage.qml
@@ -16,10 +16,11 @@
     along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.11
+import QtQuick 2.2
 import QtQuick.Layouts 1.3
 import QtQuick.Controls 2.2
-import QtQuick.Controls.Material 2.3
+import QtQuick.Controls.Material 2.1
+
 import "../Components"
 
 Page {
@@ -64,7 +65,6 @@ Page {
 
 
                 fillMode: Image.PreserveAspectFit
-                mipmap: true
                 smooth: true
             }
 
@@ -206,7 +206,6 @@ Page {
                         }
                         fillMode: Image.PreserveAspectFit
                         smooth: true
-                        mipmap: true
                         source: "qrc:/graphics/icons/view.png"
                     }
 
@@ -223,7 +222,6 @@ Page {
                         }
                         fillMode: Image.PreserveAspectFit
                         smooth: true
-                        mipmap: true
                         source: "qrc:/graphics/icons/hide.png"
                     }
                 }
diff --git a/qml/Pages/MainPage.qml b/qml/Pages/MainPage.qml
index d717d5e..354e8e1 100644
--- a/qml/Pages/MainPage.qml
+++ b/qml/Pages/MainPage.qml
@@ -16,8 +16,8 @@
     along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-import QtQuick 2.9
-import QtQuick.Controls 2.4
+import QtQuick 2.2
+import QtQuick.Controls 2.1
 import QtGraphicalEffects 1.0
 
 import "../Components"
@@ -27,7 +27,7 @@ Page {
     id: root
     objectName: "MainPage"
 
-    Shortcut {
+    /*Shortcut {
         sequences: ["Esc", "Back"]
         enabled: formStack.depth > 1
         onActivated: {
@@ -35,7 +35,7 @@ Page {
                 formStack.pop()
             }
         }
-    }
+    }*/
 
     Rectangle {
         anchors.fill: parent
diff --git a/qml/main.qml b/qml/main.qml
index 84c6886..2af5e7e 100644
--- a/qml/main.qml
+++ b/qml/main.qml
@@ -18,7 +18,7 @@
 
 import QtQuick 2.9
 import QtQuick.Controls 2.2
-import QtQuick.Controls.Material 2.3
+import QtQuick.Controls.Material 2.1
 
 import Backend 1.0
 
diff --git a/qml/qml.qrc b/qml/qml.qrc
index 3c756d1..d57283f 100644
--- a/qml/qml.qrc
+++ b/qml/qml.qrc
@@ -4,7 +4,6 @@
         <file>Pages/LoginPage.qml</file>
         <file>Components/AppToolBar.qml</file>
         <file>Forms/FoodPlanForm.qml</file>
-        <file>Components/ProgressCircle.qml</file>
         <file>Forms/EventForm.qml</file>
         <file>Pages/MainPage.qml</file>
         <file>Components/FancyButton.qml</file>
diff --git a/sources/appsettings.cpp b/sources/appsettings.cpp
index 99e42a5..8cd53a1 100644
--- a/sources/appsettings.cpp
+++ b/sources/appsettings.cpp
@@ -23,7 +23,7 @@ AppSettings * pGlobalAppSettings = nullptr;
 AppSettings::AppSettings(QObject* parent)
     :QObject(parent)
 {
-    qDebug() << "+----- AppSettings konstruktor -----+";
+    qDebug() << "+----- AppSettings cunstructor -----+";
 
     pGlobalAppSettings = this;
 
diff --git a/sources/serverconn.cpp b/sources/serverconn.cpp
index 5812c15..251bdc3 100644
--- a/sources/serverconn.cpp
+++ b/sources/serverconn.cpp
@@ -23,7 +23,7 @@ ServerConn * pGlobalServConn = nullptr;
 
 ServerConn::ServerConn(QObject *parent) : QObject(parent)
 {
-    qDebug("+----- ServerConn konstruktor -----+");
+    qDebug("+----- ServerConn constructor -----+");
     pGlobalServConn = this;
 
     // check login state
@@ -40,12 +40,6 @@ ServerConn::ServerConn(QObject *parent) : QObject(parent)
     else {
         this->setState("notLoggedIn");
     }
-
-    this->checkConnTimer = new QTimer();
-    this->checkConnTimer->setInterval(1000);
-    this->checkConnTimer->setSingleShot(true);
-    connect(checkConnTimer, SIGNAL(timeout()), this, SLOT(checkConn()));
-    this->checkConnTimer->start();
 }
 
 int ServerConn::login(QString username, QString password, bool permanent)
@@ -57,7 +51,7 @@ int ServerConn::login(QString username, QString password, bool permanent)
     pdata.addQueryItem("password", password);
 
     // send the request
-    ReturnData_t ret = this->senddata(QUrl("https://www.fanny-leicht.de/j34/templates/g5_helium/intern/events.php"), pdata);
+    ReturnData_t ret = this->senddata(QUrl("http://www.fanny-leicht.de/j34/templates/g5_helium/intern/events.php"), pdata);
 
     if(ret.status_code == 200){
         // if not 200 was returned -> user data was correct
@@ -110,34 +104,6 @@ int ServerConn::logout()
     return(200);
 }
 
-int ServerConn::checkConn()
-{
-    if(this->state == "notLoggedIn"){
-        return(903);
-    }
-
-    // add the data to the request
-    QUrlQuery pdata;
-    pdata.addQueryItem("username", this->username);
-    pdata.addQueryItem("password", this->password);
-
-    // send the request
-    ReturnData_t ret = this->senddata(QUrl("https://www.fanny-leicht.de/j34/templates/g5_helium/intern/events.php"), pdata);
-
-    if(ret.status_code == 401){
-        // if the stats code is 401 -> userdata is incorrect
-        authErrorCount ++;
-
-        if(authErrorCount > 3){
-            qDebug() << "+----- checkconn: user data is incorrect -----+";
-            logout();
-        }
-    }
-
-    this->checkConnTimer->start();
-    return(ret.status_code);
-}
-
 int ServerConn::getEvents(QString day)
 {
     // day: 0-today; 1-tomorrow
@@ -158,7 +124,14 @@ int ServerConn::getEvents(QString day)
     if(ret.status_code != 200){
         // if the request didn't result in a success, clear the old events, as they are probaply incorrect and return the error code
         this->m_events.clear();
-        return(ret.status_code);
+
+        if(ret.status_code == 401){
+            // if the stats code is 401 -> userdata is incorrect
+            qDebug() << "+----- checkconn: user data is incorrect -----+";
+            logout();
+        }
+
+        return ret.status_code;
     }
 
 
@@ -270,7 +243,6 @@ int ServerConn::getEvents(QString day)
 
 int ServerConn::getFoodPlan()
 {
-
     // list with all data keys which need to be read from the API
     QStringList foodplanDataKeys = { "cookteam", "date", "mainDish", "mainDishVeg", "garnish", "dessert" };
     QString foodplanDateKey = "date";
@@ -377,8 +349,6 @@ ReturnData_t ServerConn::senddata(QUrl serviceUrl, QUrlQuery pdata)
 
     QNetworkReply *reply;
 
-    reply = networkManager->post(request, pdata.toString(QUrl::FullyEncoded).toUtf8());
-    connect(reply, &QNetworkReply::sslErrors, this, [=](){ reply->ignoreSslErrors(); });
     // loop to wait until the request has finished before processing the data
     QEventLoop loop;
     // timer to cancel the request after 3 seconds
@@ -391,9 +361,16 @@ ReturnData_t ServerConn::senddata(QUrl serviceUrl, QUrlQuery pdata)
     loop.connect(&timer, SIGNAL(timeout()), &loop, SLOT(quit()));
     // start the timer
     timer.start(10000);
+
+    qDebug() << "+--- starting request now...";
+    reply = networkManager->post(request, pdata.toString(QUrl::FullyEncoded).toUtf8());
+    connect(reply, &QNetworkReply::sslErrors, this, [=](){ reply->ignoreSslErrors(); });
+
     // start the loop
     loop.exec();
 
+    qDebug() << "+--- request finished";
+
     //get the status code
     QVariant status_code = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute);
 
@@ -403,10 +380,10 @@ ReturnData_t ServerConn::senddata(QUrl serviceUrl, QUrlQuery pdata)
     ret.text = QString::fromUtf8(reply->readAll());
 
     // delete the reply object
-    delete reply;
+    reply->deleteLater();
 
     // delete the newtwork access manager object
-    delete networkManager;
+    networkManager->deleteLater();
 
     //return the data
     return(ret);