How to open file .doc use "Word" app on Xamarin Forms? - xamarin

Question

Use Xamarin Forms and on iOS, how to check and open Word app when Open file by UrL?
Reference: https://learn.microsoft.com/en-us/office/client-developer/integration/integrate-with-office-from-ios-applications
This is my code, it isn't work:
Device.OpenUri(new Uri("ms-word:ofe|u|https://calibre-ebook.com/downloads/demos/demo.docx"));
Please help me!
Thanks!

Answer 1

What you are asking here can be done using a simple WebView in iOS:
First, create a custom WebView class that allows you to pick file uri:
public class CustomWebView : WebView
{
public static readonly BindableProperty UriProperty = BindableProperty.Create(propertyName: "Uri",
returnType: typeof(string),
declaringType: typeof(CustomWebView),
defaultValue: default(string));
public string Uri
{
get { return (string)GetValue(UriProperty); }
set { SetValue(UriProperty, value); }
}
}
Then in ios make a renderer for the same and do something like this:
[assembly: ExportRenderer (typeof(CustomWebView), typeof(CustomWebViewRenderer))]
namespace DisplayPDF.iOS
{
public class CustomWebViewRenderer : ViewRenderer<CustomWebView, UIWebView>
{
protected override void OnElementChanged (ElementChangedEventArgs<CustomWebView> e)
{
base.OnElementChanged (e);
if (Control == null) {
SetNativeControl (new UIWebView ());
}
if (e.OldElement != null) {
// Cleanup
}
if (e.NewElement != null) {
var customWebView = Element as CustomWebView;
string fileName = Path.Combine (NSBundle.MainBundle.BundlePath, string.Format ("Content/{0}", WebUtility.UrlEncode (customWebView.Uri)));
Control.LoadRequest (new NSUrlRequest (new NSUrl (fileName, false)));
Control.ScalesPageToFit = true;
}
}
}
}
Then use the custom control like this:
<local:CustomWebView Uri="FooPath" HorizontalOptions="FillAndExpand" VerticalOptions="FillAndExpand" />
Where FooPath is the path for the doc file.

Answer 2

I have solution for my project, I try it:
If you only open file .docx on iOS, you could write code at Share Code of iOS:
Check device of user has setup app (Word, Excel, PP, etc...)
public static bool HasSetupAppDocument(string extension)
{
if (string.IsNullOrEmpty(extension))
return false;
// Device has setup app?
var result = UIApplication.SharedApplication.CanOpenUrl(NSUrl.FromString($"{extension}"));
return result;
}
(Ex: extension is ms-word: or ms-excel: or ms-excel:
Reference: https://learn.microsoft.com/en-us/office/client-developer/integration/integrate-with-office-from-ios-applications#office-protocols)
Notes: Add source to Info.plist:
<key>LSApplicationQueriesSchemes</key>
<array>
<string>ms-word</string>
<string>ms-excel</string>
<string>ms-powerpoint</string>
</array>
At Class Dependencies, open file with URL:
Device.OpenUri(new Uri($"{convertExtension}{url}"));
Note: url is link file share on Onedrive and Be sure that account Onedrive as same as account login Word app (if you had set security).
If file has mode Read-only, app Word will open file with mode Read-only.