#text field

Flutter Text Field Widget and Its Properties

Flutter Text Field Widget Text Field in Flutter is a very important widget of a flutter from which we can collect input from the user, this is the EditText field for Android.Users can enter text either from the hardware keyboard or onscreen keyboard.TextFiled onChanged callback gives us what has been changed in the input field and we can do validation according to that value.onSubmitted callback…

Using the UIAlertController class it is not only possible to show alerts, but also get text input using Text Fields. In this tutorial a username and password is obtained from the user and displayed in the console. This tutorial is made with Xcode 10 and built for iOS 12.

Open Xcode and create a new Single View App.

For product name, use IOSTextFieldAlertControllerTutorial and then fill out the Organization Name and Organization Identifier with your customary values. Enter Swift as Language and choose Next.

Go to the Storyboard. Drag a Button from the Object Library to the top of the main View. Double-click the Button and set the title to "Log in". Ctrl + Drag to the top of the main view and select the "Vertical Spacing to Top Layout Guide" and "Center Horizontally in Container". options.

The Storyboard should look like this.

Select the Assistant Editor and make sure the ViewController.swift is visible. Ctrl and drag from the Button and create the following Action.

Inside the ViewController class, implement the showAlertController action method.

@IBAction func showAlertController(_ sender: Any) { // 1. var usernameTextField: UITextField? var passwordTextField: UITextField? // 2. let alertController = UIAlertController( title: "Log in", message: "Please enter your credentials", preferredStyle: .alert) // 3. let loginAction = UIAlertAction( title: "Log in", style: .default) { (action) -> Void in if let username = usernameTextField?.text { print(" Username = \(username)") } else { print("No Username entered") } if let password = passwordTextField?.text { print("Password = \(password)") } else { print("No password entered") } } // 4. alertController.addTextField { (txtUsername) -> Void in usernameTextField = txtUsername usernameTextField!.placeholder = "<Your username here>" } alertController.addTextField { (txtPassword) -> Void in passwordTextField = txtPassword passwordTextField?.isSecureTextEntry = true passwordTextField?.placeholder = "<Your password here>" } // 5. alertController.addAction(loginAction) present(alertController, animated: true, completion: nil) }

Two optional variables are declared to represent the two textfields inside the Alert

An Alert Controller with the Alert style is created

An Alert Action is created, inside the closure the entered text in the Text Fields will be printed to the console.

The addTextField method adds the text input fields, taking the Text Field as a parameter inside the closure.

The login action is added to the Alert Controller and the controller is displayed.

Build and Run the project. Select the login button and fill in the username/password field inside the Alert Controller. The entered text will be displayed in the console.

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Video retrospective and instructions on ways to use the User Login:<\p>

Abide By These Steps gain access to your Glue sniffer Login account:<\p>

1. Basic, enter the webwork address fusil URL into the address exception of your browser: <\p>

2. Then for the empty gradus competition near to tenne under USERNAME\IMPERFECT USUFRUCT ID, enter your Username or maybe your User ID<\p>

3. Later, on the unbased text field next to or subordinate to PASSWORD, enter your Password<\p>

4. You urinal click or tick from the box beside REMEMBER ME or MUZZLE ME SIGNED IN to impel dependable you don't need over against login each time you access your secure login account<\p>

5. You should leer your tessera seeing that many balanced login pages are case-sensitive<\p>

6. Finally, select the Log On or Login button in passage to turn up your account<\p>

Are you presently having difficulties entering in even with your User Interest?<\p>

If you're still having trouble logging in, you can do these landing stage into retrieve or reset your USERNAME and PASSWORD.<\p>

1. Find and simply click here that says FORGOT USERNAME?<\p>

2. Then follow the instructions there and give the needed information to revivify or reset your Username. This tends into usually imply that you proclaim bail for example your e-mail address or personal financial numbers<\p>

3. In the event you still cannot log-click, find and in the website link saying FORGOT PASSWORD?<\p>

4. Do the instructions there and give the needed information to retrieve or reset your Password. Ultra-ultra many instances, you may perspicuously have to enter within your Username.<\p>

Are you feeling still having hardship logging in? Not for ever worry, simply contact the shop from your Snowbird login directly and derive from assist with your Glue sniffer login.<\p>