refactor: add backgrond permission & remove experied scans

config.xml

@@ -1,5 +1,5 @@
 <?xml version='1.0' encoding='utf-8'?>
-<widget id="app.onepointfive" version="1.0.5"
+<widget id="app.onepointfive" version="1.0.6"
         xmlns="http://www.w3.org/ns/widgets"
         xmlns:android="http://schemas.android.com/apk/res/android">
     <name short="1point5">app 1point5</name>

package.json

@@ -41,6 +41,7 @@
         "buefy": "^0.8.13",
         "cordova-android": "^8.1.0",
         "cordova-ios": "^5.1.1",
+        "cordova-plugin-background-mode": "git+https://bitbucket.org/TheBosZ/cordova-plugin-run-in-background.git",
         "cordova-plugin-badge": "^0.8.8",
         "cordova-plugin-ble-central": "^1.2.4",
         "cordova-plugin-bluetoothle": "^4.5.10",
@@ -99,11 +100,12 @@
             "cordova-plugin-open-app-settings": {},
             "cordova-plugin-device": {},
             "cordova-plugin-bluetoothle": {},
-            "cordova-plugin-local-notification": {}
+            "cordova-plugin-local-notification": {},
+            "cordova-plugin-background-mode": {}
         },
         "platforms": [
             "android",
             "ios"
         ]
     }
-}
+}

src/App.vue

@@ -103,6 +103,13 @@
         onDeviceReady() {
             window.StatusBar.hide();
             this.setBackgroundAndListeners();
+            window.cordova.plugins.backgroundMode.enable();
+
+            window.cordova.plugins.backgroundMode.setDefaults({
+                title: '1point5 is running on background',
+                text: 'Scanning for nearby devices',
+                icon: 'notification'
+            });
 
             if (this.intro) {
                 window.ble.startStateNotifications(this.onInitializeBluetooth, this.onError);
@@ -130,6 +137,8 @@
         setBackgroundAndListeners() {
             document.addEventListener('pause', () => {
                 this.isBackground = true;
+                window.cordova.plugins.backgroundMode.disableBatteryOptimizations();
+                window.cordova.plugins.backgroundMode.disableWebViewOptimizations();
             }, false);
 
             document.addEventListener('resume', () => {

src/store/modules/device.store.ts

@@ -49,7 +49,7 @@ const mutations: MutationTree<any> = {
     },
     cleanDevices(state) {
         state.devices.forEach((d: any, index: number) => {
-            if (d.timestamp + 3000 < Date.now() && !d.excluded) {
+            if (!d.timestamp || (d.timestamp + 3000 < Date.now() && !d.excluded)) {
                 state.devices.splice(index, 1);
             }
         });