10 must-use components for your mobile apps, james clancey
TRANSCRIPT
Component Store with IDE Integration
Radial Progress• Stylish animated progress view
Radial Progress• Stylish animated progress view• Same API on iOS, Android
Radial Progress• Stylish animated progress view• Same API on iOS, Android• Perfect for background tasks
0102030405060708091011121314
Radial Progress Sample Usage
using RadialProgress;
public override void ViewDidLoad(){ base.ViewDidLoad();! ! var progressView = new RadialProgressView { Center = new PointF (View.Center.X, View.Center.Y - 100) }; View.AddSubview (progressView);
// Update the progress progressView.Value = 0.46f;}
Json.NET
• LINQ-to-JSON for custom JSON parsing and output
Json.NET
• LINQ-to-JSON for custom JSON parsing and output• Faster than .NET's built-in JSON serializers
Json.NET
• LINQ-to-JSON for custom JSON parsing and output• Faster than .NET's built-in JSON serializers• Also converts JSON to and from XML
Json.net01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
public class Person{ public string Name { get; set; }
public DateTime Birthday { get; set; }}
public Person ParsePerson (string jsonString){ var person = JsonConvert.DeserializeObject<Person>(jsonString); return person;}
ZXing.Net.Mobile is a C#/.NET Barcode Scanning LibraryZXing.Net.Mobile
ZXing.Net.Mobile
• Open Source• Simple API• Cross platform
iOSAndroidWindows Phone
• Custom Overlays
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
ZXing.Net.Mobilepublic void Scan ()
{! var scanner = new ZXing.Mobile.MobileBarcodeScanner ();! scanner.Scan ().ContinueWith (t => { ! ! if (t.Result != null)! ! ! Console.WriteLine ("Scanned Barcode: " + t.Result.Text);! } );!}
Dropbox
• API handles all the caching, retrying, and file change notifications.
Dropbox
• API handles all the caching, retrying, and file change notifications.
• Writes are local so changes are immediate. The Sync API syncs to Dropbox behind the scenes.
Dropbox
• API handles all the caching, retrying, and file change notifications.
• Writes are local so changes are immediate. The Sync API syncs to Dropbox behind the scenes.
• Your app works great even when offline and automatically syncs when it's back online.
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
Dropbox Syncvoid ListFiles (string path)
{! ! DBError error;
! ! var contents = DBFilesystem.SharedFilesystem.ListFolder (path, out error);! ! foreach (DBFileInfo info in contents) {! ! ! Console.WriteLine (info.Path);! ! } }
• By Zetetic LLC• 256-bit AES encryption of SQLite database files
SQLCipher
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
SQLCipherpublic class Model
{! [PrimaryKey,AutoIncrement]! public int Id { get; set; }! public string Content { get; set; }}
using(var conn = new SQLiteConnection (FilePath, Password)){! var model = conn.Table<Model>().Where(x=> x.Id = 0)}
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
SQLCipherpublic void SqlCipherDemo ()
{! using (var connection = new Mono.Data.Sqlcipher.SqliteConnection(connectionString)) {! ! connection.SetPassword ("secretPassword");! ! connection.Open ();
! ! using (var command = connection.CreateCommand()) {! ! ! var query = "select * from t1";! ! ! command.CommandText = query;! ! ! var reader = command.ExecuteReader ();! ! ! while (reader.Read()) {! ! ! ! //Read Values! ! ! }! ! }! ! connection.Close ();! }}
Mobile Services by Windows Azure
• By Microso"• Easily store data in the cloud• Managed C#• Cross Platform
iOSAndroidWindows
• Async
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
Mobile Services by Windows Azurepublic class Item
{! ! public int Id { get; set; }! ! public string Text { get; set; }}
Item item = new Item { Text = "Awesome item" };! ! ! App.MobileService.GetTable<Item> ().InsertAsync (item)! ! ! ! .ContinueWith (t => {! ! ! /* success or failure */} );
by ShinobiBlazing fast charts!
ShinobiCharts
Xamarin.Social
• Cross PlatformiOSAndroid
• Share Text or Images• Twitter• Facebook• Flickr• App.net• Pinterest
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
Xamarin.Social// 1. Create the service
var facebook = new FacebookService {! ClientId = "<App ID from developers.facebook.com/apps>",! RedirectUrl = new System.Uri ("<Redirect URL from developers.facebook.com/apps>")};
// 2. Create an item to sharevar item = new Item { Text = "Xamarin.Social is the bomb.com." };item.Links.Add (new Uri ("http://github.com/xamarin/xamarin.social"));
// 3. Present the UI on iOSvar shareController = facebook.GetShareUI (item, result => {! // result lets you know if the user shared the item or canceled! DismissViewController (true, null);});PresentViewController (shareController, true, null);
Signature Pad
• Very simple API• Save/Load Vectors• Export Image
01020304050607080910111213141516
Signature Padvar signature = new SignaturePadView (View.Frame);
View.AddSubview (signature);
//Get the signaturevar image = signature.GetImage ();ViewController (shareController, true, null);
Xamarin.Mobile
• Cross platformiOSAndroidWindows
• GeoLocation• Contacts• Media Picker
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
Xamarin.Mobilevar locator = new Geolocator { DesiredAccuracy = 50 };
locator.GetPositionAsync (timeout: 10000).ContinueWith (t => {! Console.WriteLine ("Position Status: {0}", t.Result.Timestamp);! Console.WriteLine ("Position Latitude: {0}", t.Result.Latitude);! Console.WriteLine ("Position Longitude: {0}", t.Result.Longitude);}, TaskScheduler.FromCurrentSynchronizationContext ());
Q&A
DEMO
