After the user selects one of the options the answer will be returned to your code. To get a response from an alert, supply text for both buttons and await the method. Private Task Displa圜ustomDialog(string dialogTitle, string dialogMessage, string dialogPositiveBtnLabel, string dialogNegativeBtnLabel)Ī alert = new (this) Īlert. The DisplayAlert method can also be used to capture a user's response by presenting two buttons and returning a boolean. Toast.MakeText(this, "Deleted!", ToastLength.Short).Show() This article demonstrates using alert, action sheet, and prompt APIs to display dialog boxes that ask users simple questions, guide users through tasks, and display prompts. AlertDialog can be used to construct a common set of use cases. string dialogResponse = Displa圜ustomDialog("Confirm delete", "Are you sure you want to delete all rows?", "YES", "NO") Xamarin.Forms provides three pop-up-like user interface elements an alert, an action sheet, and a prompt. Android supports DialogFragment, which is a fragment that displays a dialog window. String dialogResponse = await Displa圜ustomDialog("Confirm delete", "Are you sure you want to delete all rows?", "YES", "NO") Show Yes/No confirmation dialog here, blocking (sync) In the New File dialog select iOS > Property List and name it Entitlements: Entitlement key reference. Public async Task OnOptionsItemSelectedAsync(IMenuItem item) Var res = OnOptionsItemSelectedAsync(item) public override bool OnOptionsItemSelected(IMenuItem item) No popup dialog is displayed, and the app stops responding after a few seconds. The following code is from my MainActivity : ActionBarActivity, and the following code does not work as expected. Creates an AlertDialog with the arguments supplied to this builder. How should I implement this custom dialog popup and get user's choice? Creates a builder for an alert dialog that uses the default alert dialog theme. The project needs to be clicked after opening all the types of projects in Visual Studio or click (Ctrl+Shift+N). Click File-> select New-> select Project. Let's say this icon should trigger a "delete all rows" from a table, and the operation requires user's confirmation. The steps given below are required to be followed in order to create an Alert dialog with icon in Xamarin Android app, using Visual Studio 2015. I am using Xamarin, C#, on Android platform, and need to popup a Yes/No confirmation dialog when the user clicks an icon from my top action bar.
0 Comments
Leave a Reply. |