Xamarin Plugin
Media Plugin
Section titled “Media Plugin”Take or pick photos and videos from a cross platform API.
Available Nuget : [https://www.nuget.org/packages/Xam.Plugin.Media/][1]
XAML
<StackLayout Spacing="10" Padding="10"> <Button x:Name="takePhoto" Text="Take Photo"/> <Button x:Name="pickPhoto" Text="Pick Photo"/> <Button x:Name="takeVideo" Text="Take Video"/> <Button x:Name="pickVideo" Text="Pick Video"/> <Label Text="Save to Gallery"/> <Switch x:Name="saveToGallery" IsToggled="false" HorizontalOptions="Center"/> <Label Text="Image will show here"/> <Image x:Name="image"/> <Label Text=""/>
</StackLayout>Code
namespace PluginDemo{ public partial class MediaPage : ContentPage { public MediaPage() { InitializeComponent(); takePhoto.Clicked += async (sender, args) => {
if (!CrossMedia.Current.IsCameraAvailable || !CrossMedia.Current.IsTakePhotoSupported) { await DisplayAlert("No Camera", ":( No camera avaialble.", "OK"); return; } try { var file = await CrossMedia.Current.TakePhotoAsync(new Plugin.Media.Abstractions.StoreCameraMediaOptions { Directory = "Sample", Name = "test.jpg", SaveToAlbum = saveToGallery.IsToggled });
if (file == null) return;
await DisplayAlert("File Location", (saveToGallery.IsToggled ? file.AlbumPath : file.Path), "OK");
image.Source = ImageSource.FromStream(() => { var stream = file.GetStream(); file.Dispose(); return stream; }); } catch //(Exception ex) { // Xamarin.Insights.Report(ex); // await DisplayAlert("Uh oh", "Something went wrong, but don't worry we captured it in Xamarin Insights! Thanks.", "OK"); } };
pickPhoto.Clicked += async (sender, args) => { if (!CrossMedia.Current.IsPickPhotoSupported) { await DisplayAlert("Photos Not Supported", ":( Permission not granted to photos.", "OK"); return; } try { Stream stream = null; var file = await CrossMedia.Current.PickPhotoAsync().ConfigureAwait(true);
if (file == null) return;
stream = file.GetStream(); file.Dispose();
image.Source = ImageSource.FromStream(() => stream);
} catch //(Exception ex) { // Xamarin.Insights.Report(ex); // await DisplayAlert("Uh oh", "Something went wrong, but don't worry we captured it in Xamarin Insights! Thanks.", "OK"); } };
takeVideo.Clicked += async (sender, args) => { if (!CrossMedia.Current.IsCameraAvailable || !CrossMedia.Current.IsTakeVideoSupported) { await DisplayAlert("No Camera", ":( No camera avaialble.", "OK"); return; }
try { var file = await CrossMedia.Current.TakeVideoAsync(new Plugin.Media.Abstractions.StoreVideoOptions { Name = "video.mp4", Directory = "DefaultVideos", SaveToAlbum = saveToGallery.IsToggled });
if (file == null) return;
await DisplayAlert("Video Recorded", "Location: " + (saveToGallery.IsToggled ? file.AlbumPath : file.Path), "OK");
file.Dispose();
} catch //(Exception ex) { // Xamarin.Insights.Report(ex); // await DisplayAlert("Uh oh", "Something went wrong, but don't worry we captured it in Xamarin Insights! Thanks.", "OK"); } };
pickVideo.Clicked += async (sender, args) => { if (!CrossMedia.Current.IsPickVideoSupported) { await DisplayAlert("Videos Not Supported", ":( Permission not granted to videos.", "OK"); return; } try { var file = await CrossMedia.Current.PickVideoAsync();
if (file == null) return;
await DisplayAlert("Video Selected", "Location: " + file.Path, "OK"); file.Dispose();
} catch //(Exception ex) { //Xamarin.Insights.Report(ex); //await DisplayAlert("Uh oh", "Something went wrong, but don't worry we captured it in Xamarin Insights! Thanks.", "OK"); } }; } }}Share Plugin
Section titled “Share Plugin”Simple way to share a message or link, copy text to clipboard, or open a browser in any Xamarin or Windows app.
Available on NuGet : https://www.nuget.org/packages/Plugin.Share/
XAML
<StackLayout Padding="20" Spacing="20"> <Button StyleId="Text" Text="Share Text" Clicked="Button_OnClicked"/> <Button StyleId="Link" Text="Share Link" Clicked="Button_OnClicked"/> <Button StyleId="Browser" Text="Open Browser" Clicked="Button_OnClicked"/> <Label Text=""/>
</StackLayout>C#
async void Button_OnClicked(object sender, EventArgs e) { switch (((Button)sender).StyleId) { case "Text": await CrossShare.Current.Share("Follow @JamesMontemagno on Twitter", "Share"); break; case "Link": await CrossShare.Current.ShareLink("http://motzcod.es", "Checkout my blog", "MotzCod.es"); break; case "Browser": await CrossShare.Current.OpenBrowser("http://motzcod.es"); break; } }ExternalMaps
Section titled “ExternalMaps”External Maps Plugin Open external maps to navigate to a specific geolocation or address. Option to launch with navigation option on iOS as well.
Available on NuGet :[https://www.nuget.org/packages/Xam.Plugin.ExternalMaps/][1]
XAML
<StackLayout Spacing="10" Padding="10"> <Button x:Name="navigateAddress" Text="Navigate to Address"/> <Button x:Name="navigateLatLong" Text="Navigate to Lat|Long"/> <Label Text=""/>
</StackLayout>Code
namespace PluginDemo{ public partial class ExternalMaps : ContentPage { public ExternalMaps() { InitializeComponent(); navigateLatLong.Clicked += (sender, args) => { CrossExternalMaps.Current.NavigateTo("Space Needle", 47.6204, -122.3491); };
navigateAddress.Clicked += (sender, args) => { CrossExternalMaps.Current.NavigateTo("Xamarin", "394 pacific ave.", "San Francisco", "CA", "94111", "USA", "USA"); }; } }}Geolocator Plugin
Section titled “Geolocator Plugin”Easly access geolocation across Xamarin.iOS, Xamarin.Android and Windows.
Available Nuget: [https://www.nuget.org/packages/Xam.Plugin.Geolocator/][1]
XAML
<StackLayout Spacing="10" Padding="10"> <Button x:Name="buttonGetGPS" Text="Get GPS"/> <Label x:Name="labelGPS"/> <Button x:Name="buttonTrack" Text="Track Movements"/> <Label x:Name="labelGPSTrack"/> <Label Text=""/>
</StackLayout>Code
namespace PluginDemo{ public partial class GeolocatorPage : ContentPage { public GeolocatorPage() { InitializeComponent(); buttonGetGPS.Clicked += async (sender, args) => { try { var locator = CrossGeolocator.Current; locator.DesiredAccuracy = 1000; labelGPS.Text = "Getting gps";
var position = await locator.GetPositionAsync(timeoutMilliseconds: 10000);
if (position == null) { labelGPS.Text = "null gps :("; return; } labelGPS.Text = string.Format("Time: {0} \nLat: {1} \nLong: {2} \nAltitude: {3} \nAltitude Accuracy: {4} \nAccuracy: {5} \nHeading: {6} \nSpeed: {7}", position.Timestamp, position.Latitude, position.Longitude, position.Altitude, position.AltitudeAccuracy, position.Accuracy, position.Heading, position.Speed);
} catch //(Exception ex) { // Xamarin.Insights.Report(ex); // await DisplayAlert("Uh oh", "Something went wrong, but don't worry we captured it in Xamarin Insights! Thanks.", "OK"); } };
buttonTrack.Clicked += async (object sender, EventArgs e) => { try { if (CrossGeolocator.Current.IsListening) { await CrossGeolocator.Current.StopListeningAsync(); labelGPSTrack.Text = "Stopped tracking"; buttonTrack.Text = "Stop Tracking"; } else { if (await CrossGeolocator.Current.StartListeningAsync(30000, 0)) { labelGPSTrack.Text = "Started tracking"; buttonTrack.Text = "Track Movements"; } } } catch //(Exception ex) { //Xamarin.Insights.Report(ex); // await DisplayAlert("Uh oh", "Something went wrong, but don't worry we captured it in Xamarin Insights! Thanks.", "OK"); } }; }
protected override void OnAppearing() { base.OnAppearing(); try { CrossGeolocator.Current.PositionChanged += CrossGeolocator_Current_PositionChanged; CrossGeolocator.Current.PositionError += CrossGeolocator_Current_PositionError; } catch { } }
void CrossGeolocator_Current_PositionError(object sender, Plugin.Geolocator.Abstractions.PositionErrorEventArgs e) {
labelGPSTrack.Text = "Location error: " + e.Error.ToString(); }
void CrossGeolocator_Current_PositionChanged(object sender, Plugin.Geolocator.Abstractions.PositionEventArgs e) { var position = e.Position; labelGPSTrack.Text = string.Format("Time: {0} \nLat: {1} \nLong: {2} \nAltitude: {3} \nAltitude Accuracy: {4} \nAccuracy: {5} \nHeading: {6} \nSpeed: {7}", position.Timestamp, position.Latitude, position.Longitude, position.Altitude, position.AltitudeAccuracy, position.Accuracy, position.Heading, position.Speed);
}
protected override void OnDisappearing() { base.OnDisappearing(); try { CrossGeolocator.Current.PositionChanged -= CrossGeolocator_Current_PositionChanged; CrossGeolocator.Current.PositionError -= CrossGeolocator_Current_PositionError; } catch { } } }}Messaging Plugin
Section titled “Messaging Plugin”Messaging plugin for Xamarin and Windows to make a phone call, send a sms or send an e-mail using the default messaging applications on the different mobile platforms.
Available Nuget : [https://www.nuget.org/packages/Xam.Plugins.Messaging/][1]
XAML
<StackLayout Spacing="10" Padding="10"> <Entry Placeholder="Phone Number" x:Name="phone"/> <Button x:Name="buttonSms" Text="Send SMS"/> <Button x:Name="buttonCall" Text="Call Phone Number"/> <Entry Placeholder="E-mail Address" x:Name="email"/> <Button x:Name="buttonEmail" Text="Send E-mail"/> <Label Text=""/>
</StackLayout>Code
namespace PluginDemo{ public partial class MessagingPage : ContentPage { public MessagingPage() { InitializeComponent(); buttonCall.Clicked += async (sender, e) => { try { // Make Phone Call var phoneCallTask = MessagingPlugin.PhoneDialer; if (phoneCallTask.CanMakePhoneCall) phoneCallTask.MakePhoneCall(phone.Text); else await DisplayAlert("Error", "This device can't place calls", "OK"); } catch { // await DisplayAlert("Error", "Unable to perform action", "OK"); } };
buttonSms.Clicked += async (sender, e) => { try {
var smsTask = MessagingPlugin.SmsMessenger; if (smsTask.CanSendSms) smsTask.SendSms(phone.Text, "Hello World"); else await DisplayAlert("Error", "This device can't send sms", "OK"); } catch { // await DisplayAlert("Error", "Unable to perform action", "OK"); } };
buttonEmail.Clicked += async (sender, e) => { try { var emailTask = MessagingPlugin.EmailMessenger; if (emailTask.CanSendEmail) emailTask.SendEmail(email.Text, "Hello there!", "This was sent from the Xamrain Messaging Plugin from shared code!"); else await DisplayAlert("Error", "This device can't send emails", "OK"); } catch {//await DisplayAlert("Error", "Unable to perform action", "OK"); } }; } }}Permissions Plugin
Section titled “Permissions Plugin”Check to see if your users have granted or denied permissions for common permission groups on iOS and Android.
Additionally, you can request permissions with a simple cross-platform async/awaitified API.
Available Nuget : https://www.nuget.org/packages/Plugin.Permissions enter link description here XAML
XAML
<StackLayout Padding="30" Spacing="10"> <Button Text="Get Location" Clicked="Button_OnClicked"></Button> <Label x:Name="LabelGeolocation"></Label> <Button Text="Calendar" StyleId="Calendar" Clicked="ButtonPermission_OnClicked"></Button> <Button Text="Camera" StyleId="Camera" Clicked="ButtonPermission_OnClicked"></Button> <Button Text="Contacts" StyleId="Contacts" Clicked="ButtonPermission_OnClicked"></Button> <Button Text="Microphone" StyleId="Microphone" Clicked="ButtonPermission_OnClicked"></Button> <Button Text="Phone" StyleId="Phone" Clicked="ButtonPermission_OnClicked"></Button> <Button Text="Photos" StyleId="Photos" Clicked="ButtonPermission_OnClicked"></Button> <Button Text="Reminders" StyleId="Reminders" Clicked="ButtonPermission_OnClicked"></Button> <Button Text="Sensors" StyleId="Sensors" Clicked="ButtonPermission_OnClicked"></Button> <Button Text="Sms" StyleId="Sms" Clicked="ButtonPermission_OnClicked"></Button> <Button Text="Storage" StyleId="Storage" Clicked="ButtonPermission_OnClicked"></Button> <Label Text=""/>
</StackLayout>Code
bool busy; async void ButtonPermission_OnClicked(object sender, EventArgs e) { if (busy) return;
busy = true; ((Button)sender).IsEnabled = false;
var status = PermissionStatus.Unknown; switch (((Button)sender).StyleId) { case "Calendar": status = await CrossPermissions.Current.CheckPermissionStatusAsync(Permission.Calendar); break; case "Camera": status = await CrossPermissions.Current.CheckPermissionStatusAsync(Permission.Camera); break; case "Contacts": status = await CrossPermissions.Current.CheckPermissionStatusAsync(Permission.Contacts); break; case "Microphone": status = await CrossPermissions.Current.CheckPermissionStatusAsync(Permission.Microphone); break; case "Phone": status = await CrossPermissions.Current.CheckPermissionStatusAsync(Permission.Phone); break; case "Photos": status = await CrossPermissions.Current.CheckPermissionStatusAsync(Permission.Photos); break; case "Reminders": status = await CrossPermissions.Current.CheckPermissionStatusAsync(Permission.Reminders); break; case "Sensors": status = await CrossPermissions.Current.CheckPermissionStatusAsync(Permission.Sensors); break; case "Sms": status = await CrossPermissions.Current.CheckPermissionStatusAsync(Permission.Sms); break; case "Storage": status = await CrossPermissions.Current.CheckPermissionStatusAsync(Permission.Storage); break; }
await DisplayAlert("Results", status.ToString(), "OK");
if (status != PermissionStatus.Granted) { switch (((Button)sender).StyleId) { case "Calendar": status = (await CrossPermissions.Current.RequestPermissionsAsync(Permission.Calendar))[Permission.Calendar]; break; case "Camera": status = (await CrossPermissions.Current.RequestPermissionsAsync(Permission.Camera))[Permission.Camera]; break; case "Contacts": status = (await CrossPermissions.Current.RequestPermissionsAsync(Permission.Contacts))[Permission.Contacts]; break; case "Microphone": status = (await CrossPermissions.Current.RequestPermissionsAsync(Permission.Microphone))[Permission.Microphone]; break; case "Phone": status = (await CrossPermissions.Current.RequestPermissionsAsync(Permission.Phone))[Permission.Phone]; break; case "Photos": status = (await CrossPermissions.Current.RequestPermissionsAsync(Permission.Photos))[Permission.Photos]; break; case "Reminders": status = (await CrossPermissions.Current.RequestPermissionsAsync(Permission.Reminders))[Permission.Reminders]; break; case "Sensors": status = (await CrossPermissions.Current.RequestPermissionsAsync(Permission.Sensors))[Permission.Sensors]; break; case "Sms": status = (await CrossPermissions.Current.RequestPermissionsAsync(Permission.Sms))[Permission.Sms]; break; case "Storage": status = (await CrossPermissions.Current.RequestPermissionsAsync(Permission.Storage))[Permission.Storage]; break; }
await DisplayAlert("Results", status.ToString(), "OK");
}
busy = false; ((Button)sender).IsEnabled = true; }
async void Button_OnClicked(object sender, EventArgs e) { if (busy) return;
busy = true; ((Button)sender).IsEnabled = false;
try { var status = await CrossPermissions.Current.CheckPermissionStatusAsync(Permission.Location); if (status != PermissionStatus.Granted) { if (await CrossPermissions.Current.ShouldShowRequestPermissionRationaleAsync(Permission.Location)) { await DisplayAlert("Need location", "Gunna need that location", "OK"); }
var results = await CrossPermissions.Current.RequestPermissionsAsync(Permission.Location); status = results[Permission.Location]; }
if (status == PermissionStatus.Granted) { var results = await CrossGeolocator.Current.GetPositionAsync(10000); LabelGeolocation.Text = "Lat: " + results.Latitude + " Long: " + results.Longitude; } else if (status != PermissionStatus.Unknown) { await DisplayAlert("Location Denied", "Can not continue, try again.", "OK"); } } catch (Exception ex) {
LabelGeolocation.Text = "Error: " + ex; }
((Button)sender).IsEnabled = true; busy = false; }