Make the choice of using a personal key persistent. This will allow to toggle between personal and hardcoded key. Otherwise you would need to clear your personal key each time you want to use the hardcoded one.

src/Airmap/AirMap.SettingsGroup.json

@@ -1,5 +1,11 @@
 [
 {
+    "name":             "usePersonalApiKey",
+    "shortDescription": "Use Personal AirMap API Key",
+    "type":             "bool",
+    "defaultValue":     false
+},
+{
     "name":             "apiKey",
     "shortDescription": "AirMap API Key",
     "type":             "string",

src/Airmap/AirMapManager.cc

@@ -63,10 +63,11 @@ AirMapManager::setToolbox(QGCToolbox* toolbox)
 {
     AirspaceManager::setToolbox(toolbox);
     AirMapSettings* ap = toolbox->settingsManager()->airMapSettings();
-    connect(ap->apiKey(),    &Fact::rawValueChanged, this, &AirMapManager::_settingsChanged);
-    connect(ap->clientID(),  &Fact::rawValueChanged, this, &AirMapManager::_settingsChanged);
-    connect(ap->userName(),  &Fact::rawValueChanged, this, &AirMapManager::_settingsChanged);
-    connect(ap->password(),  &Fact::rawValueChanged, this, &AirMapManager::_settingsChanged);
+    connect(ap->usePersonalApiKey(),&Fact::rawValueChanged, this, &AirMapManager::_settingsChanged);
+    connect(ap->apiKey(),           &Fact::rawValueChanged, this, &AirMapManager::_settingsChanged);
+    connect(ap->clientID(),         &Fact::rawValueChanged, this, &AirMapManager::_settingsChanged);
+    connect(ap->userName(),         &Fact::rawValueChanged, this, &AirMapManager::_settingsChanged);
+    connect(ap->password(),         &Fact::rawValueChanged, this, &AirMapManager::_settingsChanged);
     _settingsChanged();
 }
 
@@ -94,9 +95,9 @@ AirMapManager::_settingsChanged()
     settings.clientID = ap->clientID()->rawValueString();
     settings.userName = ap->userName()->rawValueString();
     settings.password = ap->password()->rawValueString();
-    //-- If we have a hardwired key (and no custom key), set it.
+    //-- If we have a hardwired key (and no custom key is present or enabled), set it.
 #if defined(QGC_AIRMAP_KEY_AVAILABLE)
-    if(settings.apiKey.isEmpty() || settings.clientID.isEmpty()) {
+    if(!ap->usePersonalApiKey()->rawValue().toBool() && (settings.apiKey.isEmpty() || settings.clientID.isEmpty())) {
         settings.apiKey     = kAirmapAPIKey;
         settings.clientID   = kAirmapClientID;
     }
@@ -123,6 +124,10 @@ AirMapManager::_settingsChanged()
                         QString::fromStdString(result.error().message()), description);
             }
         });
+    } else {
+        if(settings.apiKey == "") {
+            qCDebug(AirMapManagerLog) << "No API key for AirMap";
+        }
     }
 }
 

src/Airmap/AirMapSettings.cc

@@ -15,6 +15,7 @@
 
 DECLARE_SETTINGGROUP(AirMap)
 {
+    INIT_SETTINGFACT(usePersonalApiKey);
     INIT_SETTINGFACT(apiKey);
     INIT_SETTINGFACT(clientID);
     INIT_SETTINGFACT(userName);
@@ -25,6 +26,7 @@ DECLARE_SETTINGGROUP(AirMap)
     qmlRegisterUncreatableType<AirMapSettings>("QGroundControl.SettingsManager", 1, 0, "AirMapSettings", "Reference only");
 }
 
+DECLARE_SETTINGSFACT(AirMapSettings, usePersonalApiKey)
 DECLARE_SETTINGSFACT(AirMapSettings, apiKey)
 DECLARE_SETTINGSFACT(AirMapSettings, clientID)
 DECLARE_SETTINGSFACT(AirMapSettings, userName)

src/Airmap/AirMapSettings.h

@@ -19,6 +19,7 @@ public:
 
     DEFINE_SETTINGGROUP(AirMap)
 
+    DEFINE_SETTINGFACT(usePersonalApiKey)
     DEFINE_SETTINGFACT(apiKey)
     DEFINE_SETTINGFACT(clientID)
     DEFINE_SETTINGFACT(userName)

src/Airmap/AirmapSettings.qml

@@ -230,10 +230,10 @@ QGCView {
                         QGCCheckBox {
                             id:             hasPrivateKey
                             text:           qsTr("Personal API Key")
+                            onClicked:      QGroundControl.settingsManager.airMapSettings.usePersonalApiKey = checked
                             Layout.columnSpan:  2
                             Component.onCompleted: {
-                                if(QGroundControl.settingsManager.airMapSettings.apiKey !== "")
-                                    checked = true
+                                checked = QGroundControl.settingsManager.airMapSettings.usePersonalApiKey
                             }
                         }
                         Item {