chore(update): update location strategy retrieval (#37)

Author: MartoYankov

app/modal/modal-dialogs/modal-dialog.component.ts

@@ -13,13 +13,15 @@ import {
 @Component({
     selector: "modal-content",
     template: `
-    <StackLayout margin="24" horizontalAlignment="center" verticalAlignment="center">
-        <Label [text]="prompt"></Label>
-        <StackLayout orientation="horizontal" marginTop="12">
-            <Button text="ok" (tap)="close('OK')"></Button>
-            <Button text="cancel" (tap)="close('Cancel')"></Button>
+    <GridLayout>
+        <StackLayout margin="24" horizontalAlignment="center" verticalAlignment="center">
+            <Label [text]="prompt"></Label>
+            <StackLayout orientation="horizontal" marginTop="12">
+                <Button text="ok" (tap)="close('OK')"></Button>
+                <Button text="cancel" (tap)="close('Cancel')"></Button>
+            </StackLayout>
         </StackLayout>
-    </StackLayout>
+    </GridLayout>
     `
 })
 export class ModalContentComponent {

app/navigation-options/navigation-info.component.ts

@@ -23,6 +23,6 @@ export class NavigationInfoComponent {
     update() {
         // If history is cleared: frameStack = 0, locationStack = 1
         this.frameStack = this.frame.backStack.length;
-        this.locationStack = this.strategy._getStates().length;
+        this.locationStack = this.strategy._getStates()["primary"].length;
     }
 }