2.0.1

Ejectable/App.tsx

@@ -12,8 +12,8 @@ import { Trips } from './GT2';
 
        var debug:boolean      = false;
        var expoGeoState:any   = null;
-
        var advised:boolean    = false;
+
 export function getAdvised() : boolean { return advised; }
 export function setAdvised() : void    { advised = true; }
 
@@ -30,6 +30,7 @@ export default function App() {
       let { status } = await Location.requestForegroundPermissionsAsync();
       if (status !== 'granted') {
         setErrorMsg('Permission to access location was denied');
+        Trips.setLocEnabled(false);
         return;
       } else Trips.setLocEnabled(true);
 

Ejectable/GT2.tsx

@@ -4,7 +4,7 @@ import { Text, View } from './components/Themed';
 import { StyleSheet } from 'react-native';
 import * as geolib from 'geolib';
 
-       var   debug:number       = 9;
+       var   debug:number       = 0;
        var   testCount          = 0;
        var   bgEnabled:boolean  = false;
        var   expoGeoState:any   = null;
@@ -12,9 +12,9 @@ export var   locEnabled:boolean = false;
 
        const heartbeat:number   = 500; 
        const displayBeat:number = 3;
-       const ticksPerDs         = 1;
+
-       const geoLibAccuracy     = 0.01;
+       const geoLibAccuracy:number   = 0.1;
-       const waitForSettle      = 6;   /* ticks of initial motion to discard */
+       const minExpoAccuracy:number  = 10;
 
 const styles = StyleSheet.create({
     tripText: {
@@ -101,13 +101,12 @@ class Trip {
            lastFix:Coordinate  = new Coordinate(0.0,0.0);
 	         loc:Coordinate      = new Coordinate(0.0,0.0);
 
-           tick()  {let hours:number   = 0, minutes:number = 0, seconds:number = 0;                   
+           tick()  {let hours:number   = 0, minutes:number = 0, seconds:number = 0, totals:number = 0;
-                    this.ticks += ( 1000 / heartbeat ) ; 
+                    this.ticks++;
-                    { /* TODO: guard by actual second discrimination later */
+                    totals = this.ticks * ( heartbeat / 1000 ) ; 
-                    hours   = this.ticks < 3600 ? 0 : (this.ticks / 3600);
+                    hours   = totals < 3600 ? 0 : (totals / 3600);
-                    minutes = this.ticks < 60 ? 0 : (this.ticks - (hours * 3600)) / 60;
+                    minutes = totals < 60   ? 0 : (totals - (hours * 3600)) / 60;
-                    seconds = this.ticks % 60;
+                    seconds = totals % 60;
-                    }
                     this.elapsed = hours.toFixed(0) + ":" + minutes.toFixed(0) + ":" + seconds.toFixed(0); 
                    }       
 
@@ -157,20 +156,29 @@ export class GT2 {
         lastFix                = JSON.stringify(lastFix);
         let expoFix:expoGeoObj = JSON.parse(lastFix);  
 
+        if (debug > 10) {
+
+             console.log("lat " + expoFix.coords['latitude'] + " lon " + expoFix.coords['longitude']);
+             console.log("heading " + expoFix.coords['heading']);
+             console.log("accuracy " + expoFix.coords['accuracy']);
+             console.log("speed " + expoFix.coords['speed']);
+
+        }      
+
         this.trip.loc.set(expoFix.coords['latitude'],expoFix.coords['longitude']);
 
         if (Trips.startPoint.mLatitude == 0.0) 
             Trips.startPoint.set(this.trip.loc.mLatitude,this.trip.loc.mLongitude);
     
+        t = expoFix.coords['accuracy']; if (t <  minExpoAccuracy )  return;
+
         if (this.trip.lastFix.mLatitude == 0.0)
             this.trip.lastFix.set(this.trip.loc.mLatitude,this.trip.loc.mLongitude);
         else 
-          {if ((this.trip.ticks - this.trip.lastDSFixTick) >= ticksPerDs) {           
+          {this.trip.ds += this.trip.lastFix.distanceTo(this.trip.loc);
-      
-                this.trip.ds += this.trip.lastFix.distanceTo(this.trip.loc);
            this.trip.lastFix.set(this.trip.loc.mLatitude,this.trip.loc.mLongitude);
-            if (debug > 10) console.log(this.trip.ds);
+           if (debug > 10) console.log('delta ' + this.trip.ds);
-           }
+           
           }
 
     }
@@ -180,6 +188,7 @@ export class GT2 {
 
         this.trip.stop();
         this.inProgress = false;
+        if (this.distance < 250) this.distance = 0;
         this.trip.CO2   = ( this.distance / 1000 ) * this.co2Rate;
         this.nTrips++;
         

Ejectable/components/EndScreenInfo.tsx

@@ -11,14 +11,18 @@ export default function EndScreenInfo({ path }: { path: string }) {
 
   return (
     <View>
-      <View style={styles.getStartedContainer}>
+      <View style={styles.summaryContainer}>
         <Text
-          style={styles.getStartedText}
           lightColor="rgba(0,0,0,0.8)"
           darkColor="rgba(255,255,255,0.8)">
           Summary of this trip:
         </Text>
         <TripSummary/>
+        <Text
+          lightColor="rgba(0,0,0,0.8)"
+          darkColor="rgba(255,255,255,0.8)">
+          Min trip is 250 meters.
+        </Text>
       </View>
 
       <View style={styles.helpContainer}>
@@ -39,22 +43,10 @@ function handleHelpPress() {
 }
 
 const styles = StyleSheet.create({
-  getStartedContainer: {
+  summaryContainer: {
     alignItems: 'center',
     marginHorizontal: 50,
   },
-  homeScreenFilename: {
-    marginVertical: 7,
-  },
-  codeHighlightContainer: {
-    borderRadius: 3,
-    paddingHorizontal: 4,
-  },
-  getStartedText: {
-    fontSize: 17,
-    lineHeight: 24,
-    textAlign: 'center',
-  },
   helpContainer: {
     marginTop: 15,
     marginHorizontal: 20,
@@ -66,4 +58,6 @@ const styles = StyleSheet.create({
   helpLinkText: {
     textAlign: 'center',
   },
+
+
 });

Ejectable/components/ScreenInfo.tsx

@@ -46,6 +46,12 @@ export function ScreenInfo3() {
           darkColor="rgba(255,255,255,0.8)">
           expo version
         </Text>  
+        <Text
+          style={styles.cautionText}
+          lightColor="rgba(0,0,0,0.8)"
+          darkColor="rgba(255,255,255,0.8)">
+          If getting erratic results, try another device.
+        </Text>  
     </View>
   );
 }
@@ -76,4 +82,10 @@ const styles = StyleSheet.create({
     fontSize: 10,
     textAlign: 'center',
   },
+  cautionText: {
+    top: 90,
+    color: 'white',
+    fontSize: 14,
+    textAlign: 'center',
+  },
 });

Ejectable/screens/TripScreen.tsx

@@ -7,7 +7,7 @@ import { locEnabled, TripDisplay, Trips } from '../GT2';
 import { RootTabScreenProps } from '../types';
 import { getAdvised, setAdvised } from './ModalScreen';
 
-var debug:number    = 10;
+var debug:number    =  0;
 
 const styles = StyleSheet.create({
   container: {
@@ -34,10 +34,10 @@ const styles = StyleSheet.create({
 
 function startTrip() {
 
-  /* if (!locEnabled) {
+  if (!locEnabled) {
-    Alert.alert("Location permission required.");
+    Alert.alert("Location services unavailable can't start trip.");
     return;
-  } */
+  } 
 
   Trips.start();
 
@@ -71,7 +71,7 @@ export default function TripScreen( { navigation }: RootTabScreenProps<'Trip'>)
         title={sButtonText}
         onPress={() => {
           if (!getAdvised()) {
-            Alert.alert("Expo version only tracks while in foreground.");
+            Alert.alert("2.0.0 foreground only, 2.1 first production.");
             setAdvised();
           }
           if (!Trips.inProgress) {startTrip();

Ejectable/tsconfig.json

@@ -1,6 +1,7 @@
 {    
    "extends": "expo/tsconfig.base",
    "compilerOptions": {
+    "suppressImplicitAnyIndexErrors": true,
     "strict": true
    }
 }