#64 add native exception handler

android/app/proguard-rules.pro

@@ -8,3 +8,5 @@
 #   http://developer.android.com/guide/developing/tools/proguard.html
 
 # Add any project specific keep options here:
+
+-keep public class com.horcrux.svg.** {*;}

package.json

@@ -23,6 +23,7 @@
     "react-native": "0.63.0",
     "react-native-android-location-enabler": "^1.2.1",
     "react-native-base64": "^0.0.2",
+    "react-native-exception-handler": "^2.10.8",
     "react-native-geolocation-service": "^4.0.1",
     "react-native-gesture-handler": "^1.6.1",
     "react-native-google-places-autocomplete": "^1.4.1",

src/main/AppLauncher.js

@@ -1,6 +1,6 @@
 import React from 'react';
 import {connect} from 'react-redux';
-import {View, PermissionsAndroid, Appearance} from 'react-native';
+import {View, PermissionsAndroid, Appearance, ToastAndroid} from 'react-native';
 import AsyncStorage from '@react-native-community/async-storage';
 import NetInfo from "@react-native-community/netinfo";
 
@@ -13,11 +13,20 @@ import LoadingComponent from "./components/LoadingComponent";
 import NoInternetConnectionComponent from "./components/NoInternetConnectionComponent";
 import RNAndroidLocationEnabler from "react-native-android-location-enabler";
 import {getDarkTheme, getLightTheme} from "./theme/Theme";
+import { setJSExceptionHandler, setNativeExceptionHandler } from 'react-native-exception-handler';
 
 const ACTIVE_LOCATION_STORAGE = '@active_location';
 const HOME_LOCATION_STORAGE = '@home_location';
 const THEME_STORAGE = '@theme';
 
+setJSExceptionHandler((error, isFatal) => {
+  alert(error);
+});
+
+setNativeExceptionHandler((error) => {
+  alert(error);
+});
+
 class AppLauncher extends React.Component {
 
   state = {
@@ -63,10 +72,10 @@ class AppLauncher extends React.Component {
       if(isStorage === null){
         this.props.navigation.replace('WelcomeScreen');
       } else {
-        this.normalAppLaunch();
+        await this.normalAppLaunch();
       }
     } catch(e) {
-      console.log(e);
+      ToastAndroid.show('Problem with app launching', ToastAndroid.SHORT);
     }
   };
 
@@ -97,22 +106,21 @@ class AppLauncher extends React.Component {
   }
 
   async normalAppLaunch(){
-    if(await this.dataIsFresh()){
+    if (await this.dataIsFresh()) {
       await this.showForecastFromStorage();
     } else {
-      if(await this.isInternetConnection()){
+      if (await this.isInternetConnection()) {
         this.tryToLoadDataFromInternet();
       }
     }
   }
 
   async dataIsFresh() {
-    try {
-      const lastUpdate = await AsyncStorage.getItem('@forecast_update_date');
-      return (new Date() - new Date(JSON.parse(lastUpdate))) < 3600000;
-    } catch (e) {
+    const lastUpdate = await AsyncStorage.getItem('@forecast_update_date');
+    if(!lastUpdate)
       return false;
-    }
+    const lastUpdateDate = new Date(JSON.parse(lastUpdate));
+    return (new Date() - lastUpdateDate) < 3600000;
   }
 
   async isInternetConnection() {
@@ -128,18 +136,15 @@ class AppLauncher extends React.Component {
               Geolocation.getCurrentPosition(
                   (position) => this.loadForecastWithGivenPosition(position),
                   (error) => {
-                    console.log(error);
+                    ToastAndroid.show('couldnt get location', ToastAndroid.SHORT);
                     this.loadForecastUsingLocationInStorage();
                   },
                   {enableHighAccuracy: false, timeout: 15000, maximumAge: 10000}
               );
-            })
-      } else {
-        this.loadForecastUsingLocationInStorage();
+            });
       }
     } catch (err) {
       this.loadForecastUsingLocationInStorage();
-      console.log(err);
     }
   }
 

yarn.lock

@@ -5918,6 +5918,11 @@ react-native-base64@^0.0.2:
   resolved "https://registry.yarnpkg.com/react-native-base64/-/react-native-base64-0.0.2.tgz#c28463c2c6779ac3ec5fdd12979ebc8c5f9b410a"
   integrity sha512-Fu/J1a2y0X22EJDWqJR2oEa1fpP4gTFjYxk8ElJdt1Yak3HOXmFJ7EohLVHU2DaQkgmKfw8qb7u/48gpzveRbg==
 
+react-native-exception-handler@^2.10.8:
+  version "2.10.8"
+  resolved "https://registry.yarnpkg.com/react-native-exception-handler/-/react-native-exception-handler-2.10.8.tgz#1a7f846592d888d23adaf797e31802585f1d9ff0"
+  integrity sha512-ZN+jwpADRkCUNdad/50k0mZdMoICGrGdtaxgvRU+pNcWRRBAXJhuo4+jY0eQaoVpx1ghycGE6tBu9ka8gL2NOQ==
+
 react-native-geolocation-service@^4.0.1:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/react-native-geolocation-service/-/react-native-geolocation-service-4.0.2.tgz#b107bf2bd6e794d072a3be9c0325a27a41028568"