input function

Future<String?> input({ required BuildContext context, required String title, String? subtitle, required String hintText, String? initialValue, int? minLines, int? maxLines, })

Prompt a dialog to get user input.

context is the build context.

title is the title of the dialog.

subtitle is the subtitle of the dialog.

hintText is the hintText of the input.

initialValue is the initial value of the input field.

minLines is the minLines of TextField

maxLines is the maxLines of TextField

Returns the user input.

Used in:

• admin.messaging.screen.dart

Implementation

Future<String?> input({
  required BuildContext context,
  required String title,
  String? subtitle,
  required String hintText,
  String? initialValue,
  int? minLines,
  int? maxLines,
}) {
  return showDialog<String?>(
    context: context,
    builder: (BuildContext context) {
      final controller = TextEditingController(text: initialValue);
      return AlertDialog(
        title: Text(
          title,
          style: Theme.of(context).textTheme.titleMedium,
        ),
        content: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          mainAxisSize: MainAxisSize.min,
          children: [
            if (subtitle != null) ...[
              Text(subtitle),
              const SizedBox(height: 24),
            ],
            TextField(
              controller: controller,
              decoration: InputDecoration(
                hintText: hintText,
              ),
              minLines: minLines,
              maxLines: maxLines,
            ),
          ],
        ),
        actions: <Widget>[
          TextButton(
            onPressed: () {
              if (controller.text.isNotEmpty) {
                Navigator.pop(context, controller.text);
              }
            },
            child: Text(T.ok.tr),
          ),
          TextButton(
            onPressed: () => Navigator.pop(context),
            child: Text(T.cancel.tr),
          ),
        ],
      );
    },
  );
}