Develop Reference

From Unity android app open setting panel within custom canvas view

I would like to open Unity Android application from the setting panel within the custom canvas view.
Can I get a code snippet to bring it within canvas view rather than opening over the whole window?
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using System.Runtime.InteropServices;
using System.IO;
using System;
public class GetSetting : MonoBehaviour
{
void Start()
{
#if UNITY_ANDROID
string bundleId = "com.android.settings";
AndroidJavaClass up = new AndroidJavaClass("com.unity3d.player.UnityPlayer");
AndroidJavaObject ca = up.GetStatic<AndroidJavaObject>("currentActivity");
AndroidJavaObject packageManager = ca.Call<AndroidJavaObject>("getPackageManager");
//if the app is installed, no errors. Else, doesn't get past next line
AndroidJavaObject launchIntent = packageManager.Call<AndroidJavaObject>("getLaunchIntentForPackage", bundleId);
launchIntent.Call<AndroidJavaObject>("addCategory", "android.intent.category.MAIN");
launchIntent.Call<AndroidJavaObject>("addCategory", "android.intent.category.HOME");
launchIntent.Call<AndroidJavaObject>("setFlags", 0x10000000);
ca.Call("startActivity", launchIntent);
up.Dispose();
ca.Dispose();
packageManager.Dispose();
launchIntent.Dispose();
#else
Debug.Log("No Toast setup for this platform.");
#endif
}
}

Xamarin displays blank PDF in custom webviewer

I am currently busy with a Xamarin mobile application (only android now) and I am trying to show PDF files. I found a free plugin here: https://github.com/xamarin/docs-archive/tree/master/Recipes/xamarin-forms/Controls/display-pdf but I run into an issue.
When I go to the view I see the PDF controls, but not the PDF itself. (shows a gray screen). Here is a similar issue: display local PDF file in webview control - Displays Blank Pdf File but nothing is working.
I put the PDF file in the correct place with the correct options, see here:
And here you can see the view in the emulator:
I also tried the run the given demo project, but I get a lot of errors :(
Some help would be really appreciated!
CustomView:
using System;
using System.Collections.Generic;
using System.Text;
using Xamarin.Forms;
namespace BizzTimeTest.ViewModels
{
public class CustomPDFWebView : WebView
{
public static readonly BindableProperty UriProperty = BindableProperty.Create(propertyName: "Uri",
returnType: typeof(string),
declaringType: typeof(CustomPDFWebView),
defaultValue: default(string));
public string Uri
{
get { return (string)GetValue(UriProperty); }
set { SetValue(UriProperty, value); }
}
}
}
Custom renderer:
using Android.App;
using Android.Content;
using Android.OS;
using Android.Runtime;
using Android.Views;
using Android.Widget;
using BizzTimeTest.Droid;
using BizzTimeTest.ViewModels;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Text;
using Xamarin.Forms;
using Xamarin.Forms.Platform.Android;
[assembly: ExportRenderer(typeof(CustomPDFWebView), typeof(CustomWebViewRenderer))]
namespace BizzTimeTest.Droid
{
[Obsolete]
public class CustomWebViewRenderer : WebViewRenderer
{
protected override void OnElementChanged(ElementChangedEventArgs<WebView> e)
{
base.OnElementChanged(e);
if (e.NewElement != null)
{
var customWebView = Element as CustomPDFWebView;
Control.Settings.AllowUniversalAccessFromFileURLs = true;
Control.LoadUrl(string.Format("file:///android_asset/pdfjs/web/viewer.html?file={0}", string.Format("file:///android_asset/Content/{0}", "test_pdf_file.pdf")));
}
}
}
}
xaml
<local:CustomPDFWebView x:Name="custom_pdf_viewer" IsVisible="false"
Uri="test_pdf_file.pdf" HorizontalOptions="FillAndExpand" VerticalOptions="FillAndExpand" />

I hava an error with spinner.setAdpter (Xamarin)

I am using Xamarin android
I have Spinner , When I use the setAdapter function I get this error
Error 3 'Android.Widget.Spinner' does not contain a definition for 'setAdepter' and no extension method 'setAdepter' accepting a first argument of type 'Android.Widget.Spinner' could be found (are you missing a using directive or an assembly reference?)
This is my code
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Android.App;
using Android.Content;
using Android.OS;
using Android.Runtime;
using Android.Views;
using Android.Widget;
namespace FSF
{
[Activity(Label = "Request")]
public class RequestHolidayActivity : Activity
{
Spinner spinner_holidayType;
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
SetContentView(Resource.Layout.RequestHoliday);
spinner_holidayType = FindViewById<Spinner>(Resource.Id.RequestHoliday_spinner_holidayT);
var items = new List<string>() { "first", "second", "third", "forth" };
var adapter = new ArrayAdapter<string>(this, Android.Resource.Layout.SimpleSpinnerItem, items);
spinner_holidayType.setAdepter(adapter);
}
}
}
I tried to solve it , but I didn't find a solution.

There is not SetAdapter method. Instead use the Adapter property and change your code to: spinner_holydayType.Adapter = adapter;

WCF service working on debug but not working when calling from android

I created a WCF service in Visual Studio 2012 that I intend to consume in Xamarin and have it save user registration information to a table in SQL server. The service works fine when debugging in Visual Studio, the data entries actually save to my table in SQL. I want to consume the service in Xamarin and here is my code:
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.Linq;
using System.Runtime.Serialization;
using System.ServiceModel;
using System.ServiceModel.Web;
using System.Text;
using ItusService;
using Android.App;
using Android.Locations;
using Android.OS;
using Android.Util;
using Android.Widget;
//some code here...
public static readonly EndpointAddress EndPoint = new EndpointAddress("http://192.168.1.155:12100/Service1.svc");
private Service1Client service;
protected override void OnCreate (Bundle bundle)
{
//some code here...
InitializeService1Client();
}
private void InitializeService1Client()
{
BasicHttpBinding binding = new BasicHttpBinding ();
service = new Service1Client(binding, EndPoint);
}
async void AddressButton_OnClick(object sender, EventArgs eventArgs)
{
//some code here...
UserLocation useraddress = new UserLocation ();
useraddress.ClientID = _client.Text = "ddsdfs";
useraddress.FullName = _name.Text = "dsffdf";
useraddress.LocationCoordinates = _locationText.Text;
useraddress.LocationAddress = _addressText.Text;
useraddress.DistressTime = _time.Text = "djdsk";
string result = service.ToString ();
_resultTxt.Text = result;
}
I don't know if there is something I am missing out because nothing is being saved to my SQL table from my Android device. I debug using both an emulator and my device, nothing has been saved using both. I have opened the port for listening, I have created a reference file using silverlight slsvc tool according to the Xamarin Walkthrough http://developer.xamarin.com/guides/cross-platform/application_fundamentals/web_services/walkthrough_working_with_WCF/ I have tried everything I possibly can. Please help.

The general pattern for calling a WCF method is something like this (this is general WCF and really has nothing to do with Xamarin or Android)
// create the client and bind it
client = new ServiceClient(binding, endpoint);
// specify the callback
client.GetLocationCompleted += OnGetLocationCompleted;
// make the request to your method, passing any required parameters
client.GetLocationAsync(useraddress);
because the WCF call is async, you need to provide a callback method (the naming of the EventArgs class will depend on how your service is defined)
public void OnGetLocationCompleted(object sender, GetLocationCompletedEventArgs args) {
// if something bad happend, args.Error will contain an exception
// otherwise args.Result will contain any return value from you method
}

Creation of UnityContainer fails

Using NuGet I added Unity to my Xamarin.Forms Application.
In my App class constructor I want to newup a UnityContainer instance.
using Xamarin.Forms;
public class App : Application
{
public App ()
{
unityContainer = new UnityContainer();
// The root page of your application
this.MainPage = new NavigationPage(new HomePage());
}
private static IUnityContainer unityContainer;
}
Unfortunately a System.Reflection.TargetInvocationException. Is thrown on the line unityContainer = new UnityContainer(); as I start to run my app in the android emulator.
What could be the reason to this?