public async Task <CredentialResult> GetCredentials(String resource)
{
CredentialResult credentials = this.GetStoredCredentials(resource);
if (credentials == null)
{
credentials = await PromptForCredentials(resource);
}
return(credentials);
}
public Task <CredentialResult> GetCredentials(String resource)
{
TaskCompletionSource <CredentialResult> source = new TaskCompletionSource <CredentialResult>();
this.dialogService.Show <LoginViewModel>("/login", (vm, result) =>
{
CredentialResult credential = null;
if (result)
{
credential = new CredentialResult(vm.Username, vm.Password);
}
source.SetResult(credential);
});
return(source.Task);
}
private async Task <CredentialResult> PromptForCredentials(String resource)
{
CredentialResult credential = null;
CredentialPickerOptions options = new CredentialPickerOptions
{
Message = "Your credentials will be used to connect to JabbR.",
Caption = "Please enter your JabbR username and password.",
CredentialSaveOption = CredentialSaveOption.Unselected,
AuthenticationProtocol = 0,
TargetName = resource,
};
var result = await CredentialPicker.PickAsync(options);
if (result.ErrorCode == 0)
{
credential = new CredentialResult(result.CredentialUserName, result.CredentialPassword);
}
return(credential);
}