I have a Xamarin Forms Shell app but I'm focusing on the ios platform at the moment.
Example custom url: myawesomeapp:report?id=22
On iOS, I have added the custom URL scheme 'myawesomeapp' to info.plist. And now clicking on the custom url brings up my app successfully and OpenUrl in AppDelegate gets hit.
But how can I process the id=22 to take me to that particular record?
My app structure is using AppShell. I have an ItemsPage.xaml that lists reports and selecting one will bring up that report on ItemDetailPage.xaml. This is the flow that I want to simulate when following the custom url.
Thanks in advance.
Ideal approach would be to create a method in your App.xaml.cs which will accept the given query and then you can call that method from the OpenUrl.
Here's the example:
App.xaml.cs
public void ParseAndPerformNavigation(string query)
{
//Do string operation and get the parameter
//Perform Navigation
}
Your updated OpenUrl should be something like this:
public override bool OpenUrl(UIApplication app, NSUrl url, NSDictionary options)
{
var App = (App)Xamarin.Forms.Application.Current;
App.ParseAndPerformNavigation(url.AbsoluteString);
return false;
}
Related
So, I wrote a Nuget that allows dev in my company to quickly setup authorization using OIDC. Part of that, of course, is handing off the authentication step to a browser so I'm simply invoking Browse.OpenAsync with LaunchMode = BrowserLaunchMode.SystemPreferred. I also set up a HTTP listener that awaits the ahtority's authorization code callback. All works find but the browser window is of course still sitting at the top, hiding the initiating app.
I do realise I can use deep linking to simply "call up" the app again but that has two implications I would like to avoid: The need to register custom URI schema with the mobile OS and, above all, the need to register that (custom) callback URI with my company's API management system (which doesn't like anything but "http" or "https" URI schemes). Those requirements makes it more complicated for our devs to get started and, like I mentioned, it doesn't work very well with our API management system, so I'm looking for a simpler solution.
For iOS I can simply fetch the key window's view controller and dismiss it, like so:
async Task<Outcome> IPlatformService.TryCloseTopWindowAsync(bool isModalWindow, bool animated)
{
var window = UIApplication.SharedApplication.KeyWindow;
var viewController = window?.RootViewController;
if (viewController is null)
return Outcome.Fail("Couldn't obtain top window view controller");
try
{
if (isModalWindow)
{
viewController.DismissModalViewController(animated);
return Outcome.Success();
}
await viewController.DismissViewControllerAsync(animated);
return Outcome.Success();
}
catch (Exception ex)
{
return Outcome.Fail(ex);
}
}
Unfortunately, I'm not very good with Android's (Java based) APIs so I'm wondering if it's possible to do something similar here? Can I get the top app (activated by my own app) and dismiss it? If so; how?
My Vaadin 7 application doesn't react on browser url changing. For example I entering from keyboard a new url parameters and pressing Enter key and after that nothing is changing.
Application only reacts on F5 or page refresh button.
How to also make Vaadin 7 application to respond to Enter key after url update ?
UPDATED
I'm using Vaadin com.vaadin.navigator.Navigator object.
For example I have an url: http://example.com/#!products/30970
When I change the url in browser address bar (for example to http://example.com/#!products/34894) and press enter key I would like to change information at my page in order to show info about product with id 34894 instead of product with a previous id 30970.
Vaadin Navigator and UriFragmentChangedListener
Right now I'm using Vaadin Navigator in order to define views:
Navigator navigator = new Navigator(this, viewDisplay);
navigator.addView("products", ProductView.class);
First time in web browser I'm successfully able to access this view with product id parameter for example by the following url:
http://example.com/#!products/30970
ProductView is constructed first time and in its public void enter(ViewChangeListener.ViewChangeEvent event) method I'm able to get uri parameters.
But after that when I change product id in web browser address bar in this url to another one(for example to 30971 in order to display information for another product):
http://example.com/#!products/30971
and press Enter key the view is not refreshed and doesn't react on these changes..
As suggested in the comments I have added UriFragmentChangedListener listener and now at least able to handle URL fragment changes(after Enter key presing).
Now, my logic have to react on these changes and I'm looking for a correct way how it should be implemented in Vaadin 7.
So, If I understood correctly - in additional to Navigator logic I also have to use this listener and inside of this listener logic I have to get a reference on appropriate view(navigator.getCurrentView() ?) object and invoke some method on this object in order to change internal view state without full view rebuild ? If I'm correct - is there some standard mechanism in Vaadin in order to simplify this job ?
i can not think of another way than pass the UriFragmentChangeEvent manually to your View. I guess the Vaadin API can not do it automatic.
public class MyUI extends UI{
#Override
protected void init(final VaadinRequest request) {
/*
* UriFragmentChangedListener
* when URL+Parameter manuell eingegeben werden
*/
getPage().addUriFragmentChangedListener(new UriFragmentChangedListener() {
#Override
public void uriFragmentChanged(UriFragmentChangedEvent event) {
View currentView = getNavigator().getCurrentView();
if(currentView != null){
if(currentView instanceof UriFragmentChangedListener){
((UriFragmentChangedListener)currentView).uriFragmentChanged(event); //custom method
}
}
}
});
}
}
To make this work add UriFragmentChangedListener to your ProductView:
public class ProductView extends CustomComponent implements View, UriFragmentChangedListener {
}
take a look at the Parameters in the ViewChangeEvent of your ProductView
By using this url structure "http://example.com/#!products/30970", you can read the product id as following:
#Override
public void enter(ViewChangeEvent event) {
String productId = event.getParameters();
}
I am using the Azure MobilServiceClient to call my custom controller and method and it just never returns. Using the same code in my Test project works just fine, but in my iOS app it just goes silent. Hanging the app.
I call it like this:
var parameters = new Dictionary<string, string> { { "loginProvider", loginProvider }, { "providerKey", providerKey } };
var result = await App.MobileService.InvokeApiAsync<AuthResult>("Auth", HttpMethod.Get, parameters);
I can look in the Azure Log Stream and see that the call is received as expected. Looking the same both from my test project and the App project. No errors.
What else can I try? Where else can I look?
I tried putting the same code piece into the sample code I can download from the Azure portal and it goes silent just like my own app.
Thanks
Found the source of my problems: async deadlock.
I moved out my async api calls from the PCL app constructor and configured my calls with
.ConfigureAwait (false)
I can not be more clear with the title :D
Is it possible? to launch an application on a blackbeery just cliking on a "link" inside a mail? i read about taping a url and going to the application but this is much more specific.
thx in advance
Actually you can listen incoming emails.
You can implement menu item that will be available in mail app.
But you can also implement content handler with specific URI to launch your app.
All examples are available in BB samples.
Look in the RIM sample apps, more specifically HTTPFilterDemo.
You have to register a filter for the type of link you need the app to be triggered by (you'll need to put this code in the main method of you app):
HttpFilterRegistry.registerFilter("www.rim.com","com.rim.samples.device.httpfilterdemo.filter");
where "www.rim.com" is obviously the link that should open the app and the second parameter is the package that contains the "Protocol" class. The Protocol class has a callback method:
public Connection openFilter( String name, int mode, boolean timeouts ) throws IOException {
This method will be called each time the user clicks on a link that has the form specified by you. So, to open the app, in the "openFilter" method, do:
int modHandle = CodeModuleManager.getModuleHandle("YourAppModuleName");
ApplicationDescriptor[] apDes = CodeModuleManager.getApplicationDescriptors(modHandle);
try {
ApplicationManager.getApplicationManager().runApplication(apDes[0]);
} catch (ApplicationManagerException e) {
e.printStackTrace();
}
We are currently working on the finishing touches of an application which uses Phonegap and have hit some issues with the Blackberry port.
So far, we've been reviewing the content available online and can't find a really finale answer to this. Seems like the "right" way to make and oauth authentication process for either Twitter, Facebook or Foursquare would be to use the ChildBrowser plugin, instantiate a window and then use that to handle the process.
Rightly so, there seems to be a lack of a ChildBrowser plugin for Blackberry. We've been looking so far at a couple of private projects on Github that look like they build/use that capability but we are not sure on how to control the created window.
Most (or all?) of those plugins refer to invoking the native Blackberry browser to handle the URLS, but then how would be manage to work on the callbacks, get the tokens and close the windows since it's another process.
For example, we have this concept code:
function openWindow() {
if (typeof blackberry !== 'undefined') {
app_id = SOMETHING_HERE;
redirect = 'http://www.facebook.com/connect/login_success.html';
url = 'https://graph.facebook.com/oauth/authorizeclient_id='+app_id+'&redirect_uri='+redirect+'&display=touch&scope=publish_stream';
var args = new blackberry.invoke.BrowserArguments(url);
blackberry.invoke.invoke(blackberry.invoke.APP_BROWSER, args);
}
}
Which works for opening the URL, but that's it. Is there a way to get a handle on the window and inject some listener to events? What should be our correct approach?
Thanks!
I am not PhoneGap user, but we did have to handle a very similar scenario - native app invokes the mobile browser to prompt the oAuth flow and then be able to handle a callback to the aative app.
This is possible on the BlackBerry using the BrowserContentProviderRegistry API. You can register your app to be invoked whenever a particular MIME type is returned to the browser. Sounds complicated but its fairly straightforward when all the pieces are in play.
Here is the rough flow -
Native app invokes browser to the oAuth page. This is part is easy and seems like you got this part.
The oAuth redirect needs to go to a URL that you can control. Something like http://mycompany.com/oAuthRedirectHandler.asp.
The oAuthRedirectorHandler.asp has simple code like this (we chose classic ASP but this can be done in PHP or any language, you can also ignore the Android block below) -
<html><body>
<h1>Redirect page</h1>
If you are not re-directed, please open the application manually.
<% strUA = Request.ServerVariables("HTTP_USER_AGENT")
if (InStr(strUA, "BlackBerry")) then
Response.Write("Opening appplication on BlackBerry")
Response.ContentType="application/x-MyCustomApp"
elseif (InStr(strUA, "Android")) then
Response.Write("Opening appplication on Android")
Response.Redirect("MyCustomApp://mycompany.com")
end if %>
</body> </html>
In your BlackBerry code you want a new BrowserContentProvider like this -
final class CustomBrowserProvider extends BrowserContentProvider{
String[] ACCEPT = new String[]{"application/x-MyCustomApp};
String appName;
CustomBrowserProvider(String appName){
this.appName = ApplicationDescriptor.currentApplicationDescriptor().getModuleName();
//cache this appName from the constructor in the invocation code below.
}
public String[] getSupportedMimeTypes() { return ACCEPT;}
public String[] getAccept(RenderingOptions context){return ACCEPT;}
public BrowserContent getBrowserContent( BrowserContentProviderContext context) throws RenderingException {
//this is where the callback happens
//this is happening in a separate process, raise your main app here using the appName that got passed in
//I dont have a sanitized ready to go sample to post here on how to do this, but not too complicated
//as a hint use the ApplicationDescriptor and CodeModuleManager classes
return null;
}
}
Now, in your application initialization, register this new BrowserPlugin like this -
BrowserContentProviderRegistry converterRegistry = BrowserContentProviderRegistry.getInstance();
converterRegistry.register(new CustomBrowserProvider());
Hope this helps. This has worked pretty well for us. The one downside we've had here is that when the user returns to the browser app, they are left with an empty page and there is no good way to close that in the BB.