allow users to change lock options, default to 15 min

src/services/htmlStorage.service.ts

@@ -7,6 +7,13 @@ export class HtmlStorageService implements StorageService {
         ConstantsService.localeKey, ConstantsService.lockOptionKey]);
     private localStorageStartsWithKeys = ['twoFactorToken_'];
 
+    async init() {
+        const lockOption = await this.get<number>(ConstantsService.lockOptionKey);
+        if (lockOption == null) {
+            await this.save(ConstantsService.lockOptionKey, 15);
+        }
+    }
+
     get<T>(key: string): Promise<T> {
         let json: string = null;
         if (this.isLocalStorage(key)) {

src/services/webPlatformUtils.service.ts

@@ -94,7 +94,7 @@ export class WebPlatformUtilsService implements PlatformUtilsService {
     }
 
     lockTimeout(): number {
-        return 15;
+        return null;
     }
 
     launchUri(uri: string, options?: any): void {