Unity 3D Input Field control

The Unity 3D  Input Field control is also a composite control, including two sub-controls, Placeholder and Text, as shown in the figure below.

Among them, Text is a text control, and the content input by the user when the program is running is saved in the Text control, and Placeholder is a placeholder, which means the prompt information displayed to the user when the program is running when the user has not input content.

Input Field The input field component is the same as other controls. It also has an Image (Script) component. It also includes a Transition property. The default is Color Tint, as shown in the figure below. The specific properties are shown in the table below.

Parameter	Features
Interactable	Set whether to enable the Input Field component. Tick ​​it means the input field can be interactive, otherwise it means it cannot be interactive
Transition	Set the conversion effect of the input field when it is normally displayed, highlighted, pressed or disabled
Navigation	Set navigation function
Text Component	Set the text display component of this input field to display the text box input by the user
Text	Set the initial value of this input field
Character Limit	Set the maximum number of input characters for this input field, 0 means unlimited input characters
Content Type	Enter the content type of this input field, including numbers, passwords, etc. The commonly used types are as follows: Standard: Allow any character to be input, as long as it is supported by the current font. Autocorrected: Automatically correct the input unknown words and suggest more suitable replacement candidates. Unless the user explicitly overrides the operation, the input text will be automatically replaced. Integer Number: Only integers are allowed. Decimal Number: Allows input of integers or decimals. Alpha numeric: Allows input of numbers and letters. Name: English and other characters are allowed, and the spelling of the name can be automatically prompted when the person is input in English. Email Address: It is allowed to input an alphanumeric string consisting of at most one @ symbol. Password: The entered characters are hidden and only 7K asterisks are displayed. Pin: Only integers are allowed. The entered characters are hidden and only asterisks are displayed. Custom: Allow users to customize line type, input type, keyboard type and character verification
Line Type	Set the line break method when the input content exceeds the boundary of the input field: Single Line: Do not wrap the line beyond the boundary, continue to extend this line to the right, that is, the content in the input field is only one line Muhi Line Submit: Allow text to wrap. Wrap lines only when needed. Multi Line Newline: Allow text to wrap. The user can press the enter key to wrap
Placeholder	Set the input position control symbol of this input field, this can be set for any object with Text component

In addition, it has an important Content Type (content type) attribute, as shown in the figure below, and its parameters are shown in the table below.

Parameter	Features	Parameter	Features
Standard	standard	Name	Personal name
Autocorrected	Automatic correction	Email Address	mailbox
Integer Number	Integer	Password	password
Decimal Number	Decimal fraction	Pin	fixed
Alphanumeric	letter and number	Custom	Customized