Flutter - TextFormField

TextFormField(
  controller: _noKodeController,
  decoration: InputDecoration(
    labelText: 'Nomor Kode',
    border:
        OutlineInputBorder(borderSide: BorderSide()),
    contentPadding: EdgeInsets.all(10.0),
  ),
),
SizedBox(
  height: 10.0,
),
Row(
  children: <Widget>[
    Expanded(
      child: InkWell(
        onTap: () {
          _datePicker(context);
        },
        child: TextFormField(
          enabled: false,
          controller: _tanggalController,
          decoration: InputDecoration(
            labelText: 'Tanggal',
            border: OutlineInputBorder(
                borderSide: BorderSide()),
            contentPadding: EdgeInsets.all(10.0),
          ),
        ),
      ),
    ),
    SizedBox(
      width: 10.0,
    ),
    Expanded(
      child: InkWell(
        onTap: () {
          _timePicker(context);
        },
        child: TextFormField(
          enabled: false,
          controller: _timeController,
          decoration: InputDecoration(
            labelText: 'Jam',
            border: OutlineInputBorder(
                borderSide: BorderSide()),
            contentPadding: EdgeInsets.all(10.0),
          ),
        ),
      ),
    ),
  ],
),