Xamarin.Forms
Xamarin Plugin
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Share Plugin
Un moyen simple de partager un message ou un lien, de copier du texte dans le presse-papiers ou d'ouvrir un navigateur dans n'importe quelle application Xamarin ou Windows.
Disponible sur 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;
}
}
Cartes externes
Plug-ins de cartes externes Ouvrez des cartes externes pour accéder à une géolocalisation ou une adresse spécifique. Option pour lancer avec l'option de navigation sur iOS aussi.
Disponible sur 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");
};
}
}
}
Plugin Geolocator
Accédez facilement à la géolocalisation via Xamarin.iOS, Xamarin.Android et Windows.
Nuget disponible: [ 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
{
}
}
}
}
Plugin Média
Prenez ou choisissez des photos et des vidéos à partir d'une API multi-plateforme.
Nuget disponible: [ 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");
}
};
}
}
}
Plugin de messagerie
Plug-in de messagerie pour Xamarin et Windows pour passer un appel, envoyer un SMS ou envoyer un courrier électronique en utilisant les applications de messagerie par défaut sur les différentes plates-formes mobiles.
Nuget disponible: [ 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");
}
};
}
}
}
Plugin d'autorisations
Vérifiez si vos utilisateurs ont accordé ou refusé des autorisations pour les groupes de permissions communs sur iOS et Android.
De plus, vous pouvez demander des autorisations avec une simple API asynchrone / attendue multiplate-forme.
Nuget disponible: https://www.nuget.org/packages/Plugin.Permissions entrez la description du lien ici 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;
}
Modified text is an extract of the original Stack Overflow Documentation
Sous licence CC BY-SA 3.0
Non affilié à Stack Overflow
