Implement reset to block navigating back from home

Author: tanx

src/action/index-mobile.js

@@ -15,7 +15,7 @@ import {
   // NativeEventEmitter,
 } from 'react-native';
 import { SecureStore, LocalAuthentication, Linking } from 'expo';
-import { NavigationActions } from 'react-navigation';
+import { NavigationActions, StackActions } from 'react-navigation';
 import { nap } from '../helper';
 import store from '../store';
 import AppStorage from './app-storage';
@@ -47,7 +47,7 @@ export const grpc = sinon.createStubInstance(GrpcAction); // STUB DURING DEVELOP
 // export const ipc = new IpcAction(grpc);
 export const ipc = sinon.createStubInstance(IpcAction); // STUB DURING DEVELOPMENT
 export const log = new LogAction(store, ipc, false);
-export const nav = new NavAction(store, NavigationActions);
+export const nav = new NavAction(store, NavigationActions, StackActions);
 export const notify = new NotificationAction(store, nav);
 export const wallet = new WalletAction(store, grpc, db, nav, notify);
 export const info = new InfoAction(store, grpc, nav, notify);

src/action/nav-mobile.js

@@ -5,14 +5,22 @@
  */
 
 class NavAction {
-  constructor(store, Navigation) {
+  constructor(store, NavigationActions, StackActions) {
     this._store = store;
-    this._Navigation = Navigation;
+    this._navActions = NavigationActions;
+    this._stackActions = StackActions;
   }
 
   setTopLevelNavigator(navigatorRef) {
     this._navigate = (routeName, params) =>
-      navigatorRef.dispatch(this._Navigation.navigate({ routeName, params }));
+      navigatorRef.dispatch(this._navActions.navigate({ routeName, params }));
+    this._reset = (routeName, params) =>
+      navigatorRef.dispatch(
+        this._stackActions.reset({
+          index: 0,
+          actions: [this._navActions.navigate({ routeName, params })],
+        })
+      );
     this._store.navReady = true;
   }
 
@@ -78,6 +86,7 @@ class NavAction {
 
   goHome() {
     this._navigate('Home');
+    this._reset('Home');
   }
 
   goPay() {

src/view/main-mobile.js

@@ -193,7 +193,6 @@ const MainStack = createStackNavigator(
     NewAddress,
     Password,
     LoaderSyncing,
-    Home,
     Settings,
     SettingsUnit,
     SettingsFiat,
@@ -245,6 +244,7 @@ const ChannelStack = createStackNavigator(
 
 const RootStack = createStackNavigator(
   {
+    Home,
     Main: MainStack,
     Invoice: InvoiceStack,
     Pay: PayStack,