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Connected & Disconnected Apps with Azure Mobile Apps

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Learn how to make fully functional connected apps without internet connection using Xamarin and Azure Mobile Apps Service. Slides from my talk at Xamarin Dev Days held at CET Trivandrum

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Connected & Disconnected Apps with Azure Mobile Apps

  1. 1. We Apps! 189M downloads a day 200 mins on phone 127 mins in apps
  2. 2. The average app user has 36 apps installed on his or her phone.
  3. 3. Only 1/4 are used daily:
  4. 4. 1/4 of apps are never used!
  5. 5. opensignal.com/coverage-maps
  6. 6. PlentyofOptions
  7. 7. Infrastructure designed for Scale
  8. 8. RESTAPI Offline sync Facebook Twitter Microsoft Google Azure Active Directory Azure Mobile Apps WindowsAndroid Chrome iOS OSX In-AppKindle Backend code SQL MongoTables O365 API Apps Offline Sync
  9. 9. Mobile Offline Sync
  10. 10. How offline sync works
  11. 11. Create a Mobile Service MobileService = new MobileServiceClient( "https://myapp.azurewebsites.net");
  12. 12. Create tables IMobileServiceSyncTable<TodoItem> syncTable; public async Task Init() { const string path = "syncstore.db"; var db = new MobileServiceSQLiteStore(path); db.DefineTable<TodoItem>(); } await MobileService.SyncContext.InitializeAsync(db); syncTable = MobileService.GetSyncTable<TodoItem>();
  13. 13. Push and pull with sync table private async Task SyncAsync() { await MobileService.SyncContext.PushAsync(); var query = syncTable.CreateQuery(); await syncTable.PullAsync("todoItems", query); } private async Task InsertTodoItem(TodoItem todoItem) { await syncTable.InsertAsync(todoItem); await MobileService.SyncContext.PushAsync(); }
  14. 14. Query local table public async Task<IEnumerable<TodoItem>> GetOpenItemsAsync() { return await todoTable .Where(item => item.Complete == false) .ToEnumerableAsync(); }
  15. 15. Shared C# codebase • 100% native API access • High performance iOS C# UI Windows C# UIAndroid C# UI Shared C# Mobile C# Server Linux/Mono CoreCLRAzure Shared C# Client/Server
  16. 16. Get started today xamarin.com/download xamarin.com/azure xamarin.com/dev-ops

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