flutter otp textfield code example

Example 1: text field flutter

TextField(
              onChanged: (value) {
                //Do something with the user input.
              },
              decoration: InputDecoration(
                hintText: 'Enter your password.',
                contentPadding:
                    EdgeInsets.symmetric(vertical: 10.0, horizontal: 20.0),
                border: OutlineInputBorder(
                  borderRadius: BorderRadius.all(Radius.circular(32.0)),
                ),
                enabledBorder: OutlineInputBorder(
                  borderSide:
                      BorderSide(color: Colors.lightBlueAccent, width: 1.0),
                  borderRadius: BorderRadius.all(Radius.circular(32.0)),
                ),
                focusedBorder: OutlineInputBorder(
                  borderSide:
                      BorderSide(color: Colors.lightBlueAccent, width: 2.0),
                  borderRadius: BorderRadius.all(Radius.circular(32.0)),
                ),
              ),
            ),

Example 2: textfield set value flutter

/// You can use a [TextFormField] instead of [TextField]
/// and use the [initialValue] property. for example:

TextFormField(initialValue: "I am smart")

Example 3: flutter otp input scrren

OtpTextField(
            numberOfFields: 5,
            borderColor: Color(0xFF512DA8),
            showFieldAsBox: true, //set to true to show as box or false to show as dash
            onCodeChanged: (String code) {
                //handle validation or checks here           
            },
            onSubmit: (String verificationCode){
              showDialog(
                  context: context,
                  builder: (context){
                    return AlertDialog(
                      title: Text("Verification Code"),
                      content: Text('Code entered is $verificationCode'),
                    );
                  }
              );
            }, // end onSubmit
          ),