fix(android): prevent error during tear down (NativeScript#5947)

MartoYankov · Alexander Vakrilov · commit b0afd3ab3038 · 2018-06-14T10:01:03.000+03:00
diff --git a/tns-core-modules/ui/frame/frame.android.ts b/tns-core-modules/ui/frame/frame.android.ts
@@ -261,7 +261,10 @@ export class Frame extends FrameBase {
                 }
 
                 entry.recreated = false;
-                current.recreated = false;
+
+                if (current) {
+                    current.recreated = false;
+                }
             }
 
             super.setCurrent(entry, isBack);

Original file line number	Diff line number	Diff line change
`@@ -261,7 +261,10 @@ export class Frame extends FrameBase {`
`261`	`261`	`}`
`262`	`262`
`263`	`263`	`entry.recreated = false;`
`264`		`- current.recreated = false;`
	`264`	`+`
	`265`	`+ if (current) {`
	`266`	`+ current.recreated = false;`
	`267`	`+ }`
`265`	`268`	`}`
`266`	`269`
`267`	`270`	`super.setCurrent(entry, isBack);`