Hieu Xamarin iOS9, Android M 3-11-2015
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Hieu Xamarin iOS9, Android M 3-11-2015
- 1. What’s New in iOS 9?
- 2. 3D Touch Pressure Sensitivity Measure how hard a user is pressing the screen
- 3. 3D Touch Peek and Pop Press hard on the screen to Peek; press harder to Pop the item
- 4. 3D Touch Quick Actions Contextual menus, shortcut functions from the home screen icon
- 5. 3D Touch Easy to use API2 No ability to test in iOS Simulator3 Unique to iPhone 6S1
- 6. Does the device support this goodness? public override void ViewDidLoad () { base.ViewDidLoad (); // Check to see if 3D Touch is available if (TraitCollection.ForceTouchCapability == UIForceTouchCapability.Available) { // Do something with the 3D Touch availability ... } }
- 7. How do I peek? UIViewControllerPreviewingDelegate public override UIViewController GetViewControllerForPreview (IUIViewControllerPreviewing previewingContext, CGPo { //Simply return the view controller you want to peek into }
- 8. Multitasking for iPad Full Screen Full Screen Width: 1024 Height:768
- 9. Multitasking for iPad Split View The user can pick a second app and run it side-by-side with the currently running app
- 10. Multitasking for iPad Slide Over Width: 507 Height:768 Split View The user can pick a second app and run it side-by-side with the currently running app
- 11. Multitasking for iPad Slide Over Allows the user to temporarily run a second iOS app in a slide out panel
- 12. Multitasking for iPad Slide Over Width: 694 Height:768 Slide Over Allows the user to temporarily run a second iOS app in a slide out panel
- 13. Multitasking for iPad Picture in Picture Allows the user to temporarily run a second iOS app in a slide out panel
- 14. Multitasking for iPad Checklist LaunchScreen is a storyboard file2 Add auto layouts to all of your views3 Build against iOS 9 (or greater)1 Support all 4 iOS device orientations4
- 15. I want all the resources!! UIRequiresFullScreen = YES
- 16. Search • App content is made searchable • Allows users to access activities and information from deep within your app
- 17. Public Index Private Index Index data and put it on Apple’s public server Index data to be stored privately on the device
- 18. Three Search APIs NSUserActivity Viewed App Content CoreSpotlight Any App Content Web Markup App Content on Web
- 19. Why Prepare for Search? Increased Discoverability Improved User Experience More Downloads
- 20. var activity = new NSUserActivity("com.xamarin.searchdemo.monkey"); activity.EligibleForSearch = true; activity.EligibleForPublicIndexing = true; activity.Title = Monkey.Name; activity.AddUserInfoEntries(NSDictionary.FromObjectAndKey( new NSString(Monkey.Name), new NSString("Name"))); var keywords = new NSString[] { new NSString(Monkey.Name), new NSString("Monkey"), new NSString("monkey") }; activity.Keywords = new NSSet<NSString>(keywords); activity.ContentAttributeSet = new CoreSpotlight.CSSearchableItemAttribute Set(Monkey.Details); activity.BecomeCurrent ();
- 21. Contacts and ContactsUI • AddressBook and AddressBookUI have been deprecated • Contacts and ContactsUI are new, simpler frameworks
- 22. A stack of subviews that dynamically responds to the iOS device's orientation and screen size New Stack View
- 23. UICollectionView now supports drag reordering of items out of the box CollectionView Drag to Reorder
- 24. • App Transport Security Use HTTPS exclusively1 Can break 3rd party libraries2 Easy to disable (no side effects)3
- 25. • App Transport Security <key>NSAppTransportSecurity</key> <dict> <key>NSAllowsArbitraryLoads</key> <true/> </dict>
- 26. • Enhancements to HomeKit and Handoff • New Gaming APIs • Improved Right-to-Left Language Support What Else?
- 27. Quick Demo
- 28. What’s new in Android?
- 29. Main Areas: Android Marshmallow Support Libraries Google Play Services
- 30. Highlights – Runtime Permissions – Voice Interactions – Authentication – Direct Share
- 32. Old System – During Install – Disadvantages: • Prevents auto updates • Out-of-context • Lower user-engagement – Advantage • Total Developer Freedom!
- 33. New System - Runtime – Disadvantages • Developer must deal with refusal/revoked permissions – Advantages: • Contextualized permissions • Users in control
- 34. What you must ask for Calendar Camera Contacts Location Microphone Phone Sensors SMS Storage (API 23+)
- 35. What you get Bluetooth Internet Network State NFC Vibrate Settings Flashlight Accounts Alarm … Declared in Application Manifest
- 36. Requesting Permission bool RequestPermission() { const string permission = Manifest.Permission.AccessFineLocation; if (CheckSelfPermission(permission) == (int)Permission.Granted) return true; if (ShouldShowRequestPermissionRationale(permission)) { //Explain to the user why we need to read the contacts } RequestPermissions(new []{permission} , RequestLocationId); }
- 37. Handling Request public override void OnRequestPermissionsResult(int requestCode, string[] permissions, int[] grantResults) { switch (requestCode) { case RequestLocationId: { if (grantResults[0] == (int)Permission.Granted) { Snackbar.Make(layout, "Granted", Snackbar.LengthShort).Show(); } else { Snackbar.Make(layout, "Denied.", Snackbar.LengthShort).Show(); } } break; } }
- 38. Ability to Revoke Permissions – Developer must check each API Call
- 39. Handling “necessary” permissions – Cold Start Permissions
- 40. OK Google,
- 41. Voice Interactions – Build conversational voice experiences into app – Extend System Voice Actions – Interact with your users
- 42. System Voice Actions – Communication (phone) – Media (music & camera) – Fitness – Alarms & Timers – Local (Cab & Taxi) – Open (website) – Custom (approved by Google)
- 43. Extend by Intent [IntentFilter(new []{MediaStore.ActionImageCapture}, Categories = new []{Intent.CategoryDefault, Intent.CategoryVoice})] [IntentFilter(new []{MediaStore.ActionImageCaptureSecure}, Categories = new []{Intent.CategoryDefault, Intent.CategoryVoice})]
- 44. Voice Interactor Requests – Abort – Command – PickOption – Complete – Confirmation class ChoiceRequest : VoiceInteractor.PickOptionRequest { public ChoiceRequest(VoiceInteractor.Prompt prompt, Option[] choices) : base(prompt, choices, null) { } public override void OnPickOptionResult(bool finished, Option[] selections, Bundle result) { if (finished && selections.Length == 1) { TakePicture(); } } public override void OnCancel() { base.OnCancel(); Activity.Finish(); } }
- 45. void StartVoiceTrigger() { if (!Activity.IsVoiceInteraction) return; var option = new VoiceInteractor.PickOptionRequest.Option("Cheese", 1); option.AddSynonym("ready"); option.AddSynonym("go"); option.AddSynonym("take it"); option.AddSynonym("ok"); var prompt = new VoiceInteractor.Prompt("Say Cheese"); Activity.VoiceInteractor.SubmitRequest(new ChoiceRequest(this, prompt, new []{ option })); }
- 47. Fingerprint API – FingerprintManager • Authenticate(Signature cryptoObject, AuthenticationCallback callback) – Uses KeyStore for cyrpto keys – Must provide user interface – Per Transaction – Required Permission:
- 48. Confirm Credential – Check how recently user has unlocked phone – Authenticate only when needed – Utilizes Device Lock Screen – Defines Crypto Key Timeout Policy – Sync timeouts across apps
- 49. Direct Share – Intuitive & Quick Sharing – Launch specific activity – Example: • Share text directly to a specific friend or community
- 50. Material Design Updates 1 Year of Material Design google.com/design/spec/material-design/introduction.html Bold, graphic, intentionalMaterial metaphor Motion provides meaning
- 51. New Resources
- 52. Default Implementation of Material Design Companion to support-v7-appcompat Support Design Library
- 53. In the box And more…
- 54. NavigationView
- 56. Snackbar
- 57. FAB – Floating Action Button
- 58. What’s new in Google Play Services – GPS 7.5 • App Invites • Google Fit • Android Wear Maps • GCM Updates • Smart Lock & Cast – GPS 7.8 • Nearby Messages • Mobile Vision API • More GCM Updates
- 59. App Invites – Allow users to share apps – Email or SMS – Deep Link Content – Provide exclusive content
- 60. Mobile Vision API – FaceDectector: Find faces in any orientation – Barcode API: real-time, on device, any orientation
- 61. Restructured GPS – Separate NuGets – Choose what your app needs – Smaller App Size
- 62. Power-Saving Optimizations – Doze: • Sleep efficiency of idle devices – App Standby • Prevents apps from eating up power while idle
- 63. Marshmallow Checklist – Think about permission workflow – Be aware of Doze & App Standby – Consider porting app to AppCompat – Utilize new Google Play Services Features
- 64. Automated UI Testing and Monitoring for your Mobile Apps
- 65. Xamarin – The Complete Mobile Solution Design Develop Integrate Learn Xamarin Platform Test Monitor
- 67. Average Test Suite Today 10 <20% <25% devices code coverage continuous integration
- 69. Introducing Xamarin.UITest Create Automated User Interface tests all in C# Upload to the Test Cloud or run against a Device or Simulator Run directly from Visual Studio or Xamarin Studio Exposed via a NuGet Package FREE to use a Simulator* Works on ANY app: Native, Hybrid, or Xamarin
- 70. Long Cycles Rapid Iterations High Test Realism Simplistic Tests Beta Testing Manual Testing Automated UI Testing Unit Testing How we are testing Automated UI testing is the only way to ensure your app • looks • behaves and • performs well on a broad set of devices— with every release
- 74. Real-time monitoring. Track crashes and exceptions to understand what is happening with live users.
- 75. Xamarin.Insights – Realtime monitoring • Supports – Xamarin.iOS – Xamarin.Android – Xamarin.Mac – Windows Phone – Windows Store – Windows Desktop • Currently in preview
- 76. Report Automatically report any uncaught managed or native exception. Report your own caught exceptions with simple cross-platform API
- 77. Track Track any event that occurs in your application. Even track performance of how long an operation takes.
- 78. Identify Combine event tracking with user identification to resolve issues faster.
- 79. Integrate Simple integrations into popular services for mission critical notifications.
- 80. Demo
- 81. Start immediately Dedicated QA engineers get you up and running with Xamarin Test Cloud fast Hundreds of devices Be confident that your apps function correctly and look great on real devices Continuous Integration Integrate Xamarin Test Cloud into your continuous integration process or ALM Beautiful reports More than detailed technical feedback, stunning visual reporting performance monitoring Test for fragmentation Test automatically on hundreds of combinations of operation systems, screens and resolutions Object-based UI testing Test your entire app, from the UI down, using object-level user interface testing Find bugs before your users do
- 82. Mobile Quality Matters • Mobile != Desktop Development • Iterate quickly, but don’t turn your users into beta testers. • Use Insights to Improve Apps • xamarin.com/insights • xamarin.com/test-cloud
Editor's Notes
- Since Android is much more than just the core OS. In fact there are three main areas that are brand new and updated in Android.
- From the API point of view there are 4 big new features.
- First is runtime permissions, which fundamentally change how you build your Android applications.
- In the past we had complete freedom. We went in and specified what permissions we wanted and we were good to go. This of course lead to there being over 130 different permissions in Android and users had no idea what they were.
- The new system, Runtime Permsissions change all of that as you must request and handle refusal for specific permsissions. This is very similar to iOS
- We have to ask for 9 specific types of permissions. These are actually “groups” of permissions that you can request. For Contacts everything is bundled into the “Contacts” group for read/write/update. So these 9 permissions are actually 25 permissions.
- But don’t’ worry, not for everything, if you don’t see it in the previous list you are all good to just declare these in application manifest files.
- Requesting and the dialogs are handled for use by the system. You simply CheckSelfPermission every time to see if the permission was granted. If the sure has denied it a bunch of times you will get a “true” on ShouldShowRequestPermissionRationale and you can show some toast or a snackbar dialog, then finally request the permission or permissions you want.
- When the user responds you get a nice callback letting you know if they granted or denied you access.
- Unfortunately, you must check every time as users can now revoke access later. This will probably be rare, but is possible.
- Often you have permissions that you MUST have to even run your application. Perhaps location, or for Google Hangouts it must have SMS access. This is where a cold start or walkthrough is nice to implement and force them to allow the permissions.
- You can extend your Android Applications in several ways with Widgets, background services, and intents, but what about allowing your users to talk to your app?
- Introduction Voice Interactions. A simple API to allow you to extend you app and allow your users to speak to it!
- Extending existing Voice Actions that exist today using Google Now users will be able to launch directly into your application. Here is a sample of a few of the existing voice actions that the system provides.
- If you already were using these actions, simply add in a CategoryVoice and you are ready to implement.
- Each voice interaction has an Interactor with a series of requests that you can make. For instance you may want to have a “Choice” of how to take a picture. Here there we create our PickOptionRequest and handle the option selected or cancelation.
- Then when our Intent is launched we can check against the Activity to see if it was started by a VoiceInteraction and prompt our user for more information.
- The Fingerprint API is very similar to Touch ID on iOS allowing you to create a cyrpto key based on the fingerprint of your user. This is usually on a per transaction or login action.
- Confirm credential is a bit different, and leverages the finger print readers or lock screen to allow you to check when the last time the user unlocked the screen. You can specify an amount of time and perform an action based off of that. If it has timedout you can prompt the confirm credential screen to continue on.
- Direct share is a new and interesting API. Usually when your app says it can receive Text or a Photo there isn’t much else you can tell Android about what action will be performed. However, with Direct Share you can extend these intents and specify deep links to specific activities or options that will be launched. For instancesharing text to specific users of your app.
- Some great things that have to be mentioned as an overall Android enhancement is all of the great thing in material design. In fact it has been over a year since Material Design took over the world and there are nice new specs to help deal with these changes.
- Only available in Android L Developer Preview
- Need to bring material design back to older devices? No worries the Support Libraries are your friends! Including the new Support Design Library.
- Available in Android.Support.v7 library from NuGet there are several widgets included, here are a few of my favorite.
- A nice simplified NavigationView and Drawer all handled by MenuItems
- Specify groups and items and they just are laid out easily and efficiently
- Enhance your toast with an interactive Snackbar!
- Of course everyone’s favorite Floating Action button is now available as well.
- There are tons of new great APIs now up to GPS 7.8! Here are a few that I really like
- A really cool extension is App Invites essentially allowing you to invite friends to use your iOS and Android applications via SMS and Email
- Mobile vision is really cool for Face Dection and high speed barcode scanning
- On the Xamarin side, they have completely re-structured how GPS is delivered to you. Each Api is in it’s own separate NuGet package allow you to pick and choose what you would like.
- Let’s talk about some core operating system changes coming in Marshmallow, both Doze and App Standby
- There you have it! To wrap it up here are a few considerations for the next release of Android
- Xamarin Introduction!
- Xamarin truly is your entire mobile solution when it comes to app development, testing, and analysis. The Xamarin Platform is usually what we talk about which is where you can leverage your C# and .NET Skills and Libraries to build native iOS, Android, and Mac apps and share your business logic code with Windows from inside of Visual Studio or Xamarin Studio. Xamarin Test Cloud, which we will talk about tonight enables you to find bugs before your users do by allowing you to create automated user interface scripts to run locally or see them run on hundreds upon hundreds of physical iOS and Android devices. Finally, there is Xamarin Insights for real time app monitoring to see you your app is doing and get detailed crash reports with just a single line of code. To learn all of this Xamarin offers Xamarin University a live and interactive year round training program where you can become a fully certified Xamarin mobile developer.
- OpenSignal is a global app that publishes an annual report on Android device fragmentation based on the distinct Android device types that download their app. This is their August 2014 data, with an astonishing 19,000 device types using their app, up by 60% from just last year. Different device operating systems, form factors, screen sizes, resolutions, chip sets, and manufacturer modifications make it difficult to know that your app will work well on all devices
- Surveying businesses out there we often find that the “normal” test suite is actually only 10 devices across all mobile operating systems. In addition most code coverage for business logic comes in under 20% and only a quarter of companies are using CI in their development cycle. So how can we improve quality and increase these numbers?
- An approach that has proved successful is the “Shift Left” model, which says let’s start business logic and UI testing at the very start of development. From the very first screen that we create so as we continue to release our quality is extremely high and we only need to write new tests, not play catch up.
- This is where Xamarin.UITest comes in to help with this shift. Xamarin.UITest is a framework that ties in directly to the Nunit testing framework to write the UI tests. You can even run them directly against a simulator for free to do regression tests on your applications.
- There are several different ways to test mobile applications. We can have extensive beta tests with our users, which is good for hands on, but hard to get feedback. We can spend hours upon hours manually testing which can help find bugs, but can bog down developers. Unit testing is essential for our business logic, but only Automated UI Testing can really ensure that as we add new features and fix bugs our UI isn’t impacted before we release.
- We can take our tests and ship them to the Test Cloud to see them run on hundred of physical iOS and Android devices..
- You can even see the market share and pick what devices you care about.
- Then you can integrate it into your CI system to ensure that before you ship your app nothing has regressed.
- How about after we ship our app to the app stores? How do we monitor performance, crashes, and analytics? Well Xamarin has a solution for all of our apps with Xamarin Insights.
- Xamarin.Insights, currently in preview, enables us to support all of our apps from a full cross platform API.
- Automatic MANAGED and NATIVE exceptions are caught with just a single line of code. You of course can report additional caught exceptions so you can see where things are going wrong.
- Track to see what is being used the most in your apps, but also use tracking to build up your very own reproduction steps when a crash does occur.
- If you are in an enterprise you can actually Identify your users so you can see who’s app crashed, get specifics about the device, and email them immediately when you fix a bug. When tracking any data like this you should of course tell your users. We all should be responsible developers when it comes to privacy.
- Most important of course if getting alerts. Xamarin Insights has full email alerts, but you can also integrate into popular services for mission critical notifications.
- Let’s see it in action.
- So let’s find and fix bugs before our users do.