diff --git a/HackAndroidFileDialog.qrc b/HackAndroidFileDialog.qrc
deleted file mode 100644
index 509c471..0000000
--- a/HackAndroidFileDialog.qrc
+++ /dev/null
@@ -1,5 +0,0 @@
-<RCC>
-    <qresource prefix="/qml">
-        <file alias="QGroundControl/Controls/HackFileDialog.qml">src/QmlControls/HackAndroidFileDialog.qml</file>
-    </qresource>
-</RCC>
diff --git a/HackFileDialog.qrc b/HackFileDialog.qrc
deleted file mode 100644
index a7436f2..0000000
--- a/HackFileDialog.qrc
+++ /dev/null
@@ -1,5 +0,0 @@
-<RCC>
-    <qresource prefix="/qml">
-        <file alias="QGroundControl/Controls/HackFileDialog.qml">src/QmlControls/HackFileDialog.qml</file>
-    </qresource>
-</RCC>
diff --git a/qgroundcontrol.pro b/qgroundcontrol.pro
index aba1506..8a0b3dd 100644
--- a/qgroundcontrol.pro
+++ b/qgroundcontrol.pro
@@ -362,15 +362,6 @@ CustomBuild {
         $$PWD/resources/InstrumentValueIcons/InstrumentValueIcons.qrc \
 }
 
-# On Qt 5.9 android versions there is the following bug: https://bugreports.qt.io/browse/QTBUG-61424
-# This prevents FileDialog from being used. So we have a temp hack workaround for it which just no-ops
-# the FileDialog fallback mechanism on android 5.9 builds.
-equals(QT_MAJOR_VERSION, 5):equals(QT_MINOR_VERSION, 9):AndroidBuild {
-    RESOURCES += $$PWD/HackAndroidFileDialog.qrc
-} else {
-    RESOURCES += $$PWD/HackFileDialog.qrc
-}
-
 #
 # Main QGroundControl portion of project file
 #
diff --git a/src/MissionManager/QGCMapPolylineVisuals.qml b/src/MissionManager/QGCMapPolylineVisuals.qml
index 2a864ee..46c43b5 100644
--- a/src/MissionManager/QGCMapPolylineVisuals.qml
+++ b/src/MissionManager/QGCMapPolylineVisuals.qml
@@ -128,7 +128,6 @@ Item {
         title:          qsTr("Select KML File")
         selectExisting: true
         nameFilters:    ShapeFileHelper.fileDialogKMLFilters
-        fileExtension:  QGroundControl.settingsManager.appSettings.kmlFileExtension
 
         onAcceptedForLoad: {
             mapPolyline.loadKMLFile(file)
diff --git a/src/PlanView/PlanView.qml b/src/PlanView/PlanView.qml
index 141abed..2fe5fec 100644
--- a/src/PlanView/PlanView.qml
+++ b/src/PlanView/PlanView.qml
@@ -271,8 +271,6 @@ Item {
             fileDialog.planFiles =      true
             fileDialog.selectExisting = true
             fileDialog.nameFilters =    _planMasterController.loadNameFilters
-            fileDialog.fileExtension =  _appSettings.planFileExtension
-            fileDialog.fileExtension2 = _appSettings.missionFileExtension
             fileDialog.openForLoad()
         }
 
@@ -284,8 +282,6 @@ Item {
             fileDialog.planFiles =      true
             fileDialog.selectExisting = false
             fileDialog.nameFilters =    _planMasterController.saveNameFilters
-            fileDialog.fileExtension =  _appSettings.planFileExtension
-            fileDialog.fileExtension2 = _appSettings.missionFileExtension
             fileDialog.openForSave()
         }
 
@@ -301,8 +297,6 @@ Item {
             fileDialog.planFiles =      false
             fileDialog.selectExisting = false
             fileDialog.nameFilters =    ShapeFileHelper.fileDialogKMLFilters
-            fileDialog.fileExtension =  _appSettings.kmlFileExtension
-            fileDialog.fileExtension2 = ""
             fileDialog.openForSave()
         }
     }
diff --git a/src/QmlControls/AppMessages.qml b/src/QmlControls/AppMessages.qml
index b6717b9..95015b4 100644
--- a/src/QmlControls/AppMessages.qml
+++ b/src/QmlControls/AppMessages.qml
@@ -162,7 +162,6 @@ Item {
                 id:             writeDialog
                 folder:         QGroundControl.settingsManager.appSettings.logSavePath
                 nameFilters:    [qsTr("Log files (*.txt)"), qsTr("All Files (*)")]
-                fileExtension:  qsTr("txt")
                 selectExisting: false
                 title:          qsTr("Select log save file")
                 onAcceptedForSave: {
diff --git a/src/QmlControls/HackFileDialog.qml b/src/QmlControls/HackFileDialog.qml
deleted file mode 100644
index 24e0c5d..0000000
--- a/src/QmlControls/HackFileDialog.qml
+++ /dev/null
@@ -1,9 +0,0 @@
-import QtQuick          2.3
-import QtQuick.Dialogs  1.2
-
-// On Qt 5.9 android versions there is the following bug: https://bugreports.qt.io/browse/QTBUG-61424
-// This prevents FileDialog from being used. So we have a temp hack workaround for it which just no-ops
-// the FileDialog fallback mechanism on android 5.9 builds.
-
-FileDialog {
-}
diff --git a/src/QmlControls/KMLOrSHPFileDialog.qml b/src/QmlControls/KMLOrSHPFileDialog.qml
index cf57c11..a7b3e97 100644
--- a/src/QmlControls/KMLOrSHPFileDialog.qml
+++ b/src/QmlControls/KMLOrSHPFileDialog.qml
@@ -19,6 +19,4 @@ QGCFileDialog {
     title:          qsTr("Select Polygon File")
     selectExisting: true
     nameFilters:    ShapeFileHelper.fileDialogKMLOrSHPFilters
-    fileExtension:  QGroundControl.settingsManager.appSettings.kmlFileExtension
-    fileExtension2: QGroundControl.settingsManager.appSettings.shpFileExtension
 }
diff --git a/src/QmlControls/LogReplayStatusBar.qml b/src/QmlControls/LogReplayStatusBar.qml
index ab56388..e51ba01 100644
--- a/src/QmlControls/LogReplayStatusBar.qml
+++ b/src/QmlControls/LogReplayStatusBar.qml
@@ -28,8 +28,7 @@ Rectangle {
     QGCFileDialog {
         id:                 filePicker
         title:              qsTr("Select Telemetery Log")
-        nameFilters:        [qsTr("Telemetry Logs (*.%1)").arg(_logFileExtension), qsTr("All Files (*)")]
-        fileExtension:      _logFileExtension
+        nameFilters:        [ qsTr("Telemetry Logs (*.%1)").arg(_logFileExtension), qsTr("All Files (*)") ]
         selectExisting:     true
         folder:             QGroundControl.settingsManager.appSettings.telemetrySavePath
         onAcceptedForLoad: {
diff --git a/src/QmlControls/ParameterEditor.qml b/src/QmlControls/ParameterEditor.qml
index 13ffcac..e8e0b81 100644
--- a/src/QmlControls/ParameterEditor.qml
+++ b/src/QmlControls/ParameterEditor.qml
@@ -287,7 +287,6 @@ Item {
     QGCFileDialog {
         id:             fileDialog
         folder:         _appSettings.parameterSavePath
-        fileExtension:  _appSettings.parameterFileExtension
         nameFilters:    [ qsTr("Parameter Files (*.%1)").arg(_appSettings.parameterFileExtension) , qsTr("All Files (*.*)") ]
 
         onAcceptedForSave: {
diff --git a/src/QmlControls/QGCFileDialog.qml b/src/QmlControls/QGCFileDialog.qml
index aba634b..baafccf 100644
--- a/src/QmlControls/QGCFileDialog.qml
+++ b/src/QmlControls/QGCFileDialog.qml
@@ -15,41 +15,14 @@ Item {
     visible:    false
 
     property string folder              // Due to Qt bug with file url parsing this must be an absolute path
-    property var    nameFilters
-    property string fileExtension       // Primary file extension to search for
-    property string fileExtension2: ""  // Secondary file extension to search for
+    property var    nameFilters:    []  // Important: Only name filters with simple wildcarding like *.foo are supported.
     property string title
     property bool   selectExisting
     property bool   selectFolder
 
-    property bool   _openForLoad:   true
-    property real   _margins:       ScreenTools.defaultFontPixelHeight / 2
-    property bool   _mobileDlg:     QGroundControl.corePlugin.options.useMobileFileDialog
-    property var    _rgExtensions
-    property string _mobileShortPath
-
-    Component.onCompleted: {
-        setupFileExtensions()
-        _updateMobileShortPath()
-    }
-
-    onFileExtensionChanged:     setupFileExtensions()
-    onFileExtension2Changed:    setupFileExtensions()
-    onFolderChanged:            _updateMobileShortPath()
-
-    function _updateMobileShortPath() {
-        if (ScreenTools.isMobile) {
-            _mobileShortPath = controller.fullFolderPathToShortMobilePath(folder);
-        }
-    }
-
-    function setupFileExtensions() {
-        if (fileExtension2 == "") {
-            _rgExtensions = [ fileExtension ]
-        } else {
-            _rgExtensions = [ fileExtension, fileExtension2 ]
-        }
-    }
+    signal acceptedForLoad(string file)
+    signal acceptedForSave(string file)
+    signal rejected
 
     function openForLoad() {
         _openForLoad = true
@@ -73,17 +46,48 @@ Item {
         fullFileDialog.close()
     }
 
-    signal acceptedForLoad(string file)
-    signal acceptedForSave(string file)
-    signal rejected
+    property bool   _openForLoad:   true
+    property real   _margins:       ScreenTools.defaultFontPixelHeight / 2
+    property bool   _mobileDlg:     QGroundControl.corePlugin.options.useMobileFileDialog
+    property var    _rgExtensions
+    property string _mobileShortPath
+
+    Component.onCompleted: {
+        _setupFileExtensions()
+        _updateMobileShortPath()
+    }
+
+    onFolderChanged:        _updateMobileShortPath()
+    onNameFiltersChanged:   _setupFileExtensions()
+
+    function _updateMobileShortPath() {
+        if (ScreenTools.isMobile) {
+            _mobileShortPath = controller.fullFolderPathToShortMobilePath(folder);
+        }
+    }
+
+    function _setupFileExtensions() {
+        _rgExtensions = [ ]
+        for (var i=0; i<_root.nameFilters.length; i++) {
+            var filter = _root.nameFilters[i]
+            var regExp = /^.*\((.*)\)$/
+            var result = regExp.exec(filter)
+            if (result.length === 2) {
+                filter = result[1]
+            }
+            var rgFilters = filter.split(" ")
+            for (var j=0; j<rgFilters.length; j++) {
+                if (!_mobileDlg || (rgFilters[j] !== "*" && rgFilters[j] !== "*.*")) {
+                    _rgExtensions.push(rgFilters[j])
+                }
+            }
+        }
+    }
 
     QGCFileDialogController { id: controller }
     QGCPalette { id: qgcPal; colorGroupEnabled: true }
 
-    // On Qt 5.9 android versions there is the following bug: https://bugreports.qt.io/browse/QTBUG-61424
-    // This prevents FileDialog from being used. So we have a temp hack workaround for it which just no-ops
-    // the FileDialog fallback mechanism on android 5.9 builds.
-    HackFileDialog {
+    FileDialog {
         id:             fullFileDialog
         folder:         "file:///" + _root.folder
         nameFilters:    _root.nameFilters ? _root.nameFilters : []
@@ -130,12 +134,12 @@ Item {
 
                             onClicked: {
                                 hideDialog()
-                                _root.acceptedForLoad(controller.fullyQualifiedFilename(folder, modelData, _rgExtensions))
+                                _root.acceptedForLoad(controller.fullyQualifiedFilename(folder, modelData))
                             }
 
                             onHamburgerClicked: {
                                 highlight = true
-                                hamburgerMenu.fileToDelete = controller.fullyQualifiedFilename(folder, modelData, _rgExtensions)
+                                hamburgerMenu.fileToDelete = controller.fullyQualifiedFilename(folder, modelData)
                                 hamburgerMenu.popup()
                             }
 
@@ -149,6 +153,7 @@ Item {
                                 QGCMenuItem {
                                     text:           qsTr("Delete")
                                     onTriggered: {
+                                        console.log("hamburgerMenu.fileToDelete", hamburgerMenu.fileToDelete)
                                         controller.deleteFile(hamburgerMenu.fileToDelete)
                                         fileRepeater.model = controller.getFiles(folder, _rgExtensions)
                                     }
@@ -243,12 +248,12 @@ Item {
 
                             onClicked: {
                                 hideDialog()
-                                _root.acceptedForSave(controller.fullyQualifiedFilename(folder, modelData, _rgExtensions))
+                                _root.acceptedForSave(controller.fullyQualifiedFilename(folder, modelData))
                             }
 
                             onHamburgerClicked: {
                                 highlight = true
-                                hamburgerMenu.fileToDelete = controller.fullyQualifiedFilename(folder, modelData, _rgExtensions)
+                                hamburgerMenu.fileToDelete = controller.fullyQualifiedFilename(folder, modelData)
                                 hamburgerMenu.popup()
                             }
 
diff --git a/src/QmlControls/QGCFileDialogController.cc b/src/QmlControls/QGCFileDialogController.cc
index a353e31..4c96121 100644
--- a/src/QmlControls/QGCFileDialogController.cc
+++ b/src/QmlControls/QGCFileDialogController.cc
@@ -19,19 +19,14 @@
 
 QGC_LOGGING_CATEGORY(QGCFileDialogControllerLog, "QGCFileDialogControllerLog")
 
-QStringList QGCFileDialogController::getFiles(const QString& directoryPath, const QStringList& fileExtensions)
+QStringList QGCFileDialogController::getFiles(const QString& directoryPath, const QStringList& nameFilters)
 {
-    qCDebug(QGCFileDialogControllerLog) << "getFiles" << directoryPath << fileExtensions;
+    qCDebug(QGCFileDialogControllerLog) << "getFiles" << directoryPath << nameFilters;
     QStringList files;
 
     QDir fileDir(directoryPath);
 
-    QStringList infoListExtensions;
-    for (const QString& extension: fileExtensions) {
-        infoListExtensions.append(QStringLiteral("*.%1").arg(extension));
-    }
-
-    QFileInfoList fileInfoList = fileDir.entryInfoList(infoListExtensions,  QDir::Files, QDir::Name);
+    QFileInfoList fileInfoList = fileDir.entryInfoList(nameFilters,  QDir::Files, QDir::Name);
 
     for (const QFileInfo& fileInfo: fileInfoList) {
         qCDebug(QGCFileDialogControllerLog) << "getFiles found" << fileInfo.fileName();
@@ -41,34 +36,45 @@ QStringList QGCFileDialogController::getFiles(const QString& directoryPath, cons
     return files;
 }
 
-QString QGCFileDialogController::filenameWithExtension(const QString& filename, const QStringList& rgFileExtensions)
-{
-    QString filenameWithExtension(filename);
-
-    bool matchFound = false;
-    for (const QString& extension : rgFileExtensions) {
-        QString dotExtension = QStringLiteral(".%1").arg(extension);
-        matchFound = filenameWithExtension.endsWith(dotExtension);
-        if (matchFound) {
-            break;
-        }
-    }
-
-    if (!matchFound) {
-        filenameWithExtension += QStringLiteral(".%1").arg(rgFileExtensions[0]);
-    }
-
-    return filenameWithExtension;
-}
-
 bool QGCFileDialogController::fileExists(const QString& filename)
 {
     return QFile(filename).exists();
 }
 
-QString QGCFileDialogController::fullyQualifiedFilename(const QString& directoryPath, const QString& filename, const QStringList& rgFileExtensions)
+QString QGCFileDialogController::fullyQualifiedFilename(const QString& directoryPath, const QString& filename, const QStringList& nameFilters)
 {
-    return directoryPath + QStringLiteral("/") + filenameWithExtension(filename, rgFileExtensions);
+    QString firstFileExtention;
+
+    // Check that the filename has one of the specified file extensions
+
+    bool extensionFound = true;
+    if (nameFilters.count()) {
+        extensionFound = false;
+        for (const QString& nameFilter: nameFilters) {
+            if (nameFilter.startsWith("*.")) {
+                QString fileExtension = nameFilter.right(nameFilter.length() - 2);
+                if (fileExtension != "*") {
+                    if (firstFileExtention.isEmpty()) {
+                        firstFileExtention = fileExtension;
+                    }
+                    if (filename.endsWith(fileExtension)) {
+                        extensionFound = true;
+                        break;
+                    }
+                }
+            } else if (nameFilter != "*") {
+                qCWarning(QGCFileDialogControllerLog) << "unsupported name filter format" << nameFilter;
+            }
+        }
+    }
+
+    // Add the extension if it is missing
+    QString filenameWithExtension = filename;
+    if (!extensionFound) {
+        filenameWithExtension = QStringLiteral("%1.%2").arg(filename).arg(firstFileExtention);
+    }
+
+    return directoryPath + QStringLiteral("/") + filenameWithExtension;
 }
 
 void QGCFileDialogController::deleteFile(const QString& filename)
diff --git a/src/QmlControls/QGCFileDialogController.h b/src/QmlControls/QGCFileDialogController.h
index 01f6517..bb31df5 100644
--- a/src/QmlControls/QGCFileDialogController.h
+++ b/src/QmlControls/QGCFileDialogController.h
@@ -24,13 +24,11 @@ class QGCFileDialogController : public QObject
 
 public:
     /// Return all file in the specified path which match the specified extension
-    Q_INVOKABLE QStringList getFiles(const QString& directoryPath, const QStringList& fileExtensions);
+    Q_INVOKABLE QStringList getFiles(const QString& directoryPath, const QStringList& nameFilters);
 
-    /// Returns the specified file name with the extension added it needed
-    Q_INVOKABLE QString filenameWithExtension(const QString& filename, const QStringList& rgFileExtensions);
-
-    /// Returns the fully qualified file name from the specified parts
-    Q_INVOKABLE QString fullyQualifiedFilename(const QString& directoryPath, const QString& filename, const QStringList& rgFileExtensions);
+    /// Returns the fully qualified file name from the specified parts.
+    /// If filename has no file extension the first file extension is nameFilters is added to the filename.
+    Q_INVOKABLE QString fullyQualifiedFilename(const QString& directoryPath, const QString& filename, const QStringList& nameFilters = QStringList());
 
     /// Check for file existence of specified fully qualified file name
     Q_INVOKABLE bool fileExists(const QString& filename);
diff --git a/src/QtLocationPlugin/QMLControl/OfflineMap.qml b/src/QtLocationPlugin/QMLControl/OfflineMap.qml
index 7646201..dcb276f 100644
--- a/src/QtLocationPlugin/QMLControl/OfflineMap.qml
+++ b/src/QtLocationPlugin/QMLControl/OfflineMap.qml
@@ -210,7 +210,6 @@ Item {
         id:             fileDialog
         folder:         QGroundControl.settingsManager.appSettings.missionSavePath
         nameFilters:    ["Tile Sets (*.qgctiledb)"]
-        fileExtension:  "qgctiledb"
 
         onAcceptedForSave: {
             if (QGroundControl.mapEngineManager.exportSets(file)) {