如何在 appbar 操作小部件内部添加文本字段？

Question

When i am trying to add textfield in Appbar, inside action widget, its showing error like "RenderBox was not laid out: RenderRepaintBoundary#a81ba NEEDS-LAYOUT NEEDS-PAINT", Have u guys anyone know how to add textfield in appbar, inside actions, please add,

When i am trying to add

             actions:[
            TextField()
               ],

The error is like

               ════════ Exception caught by rendering library 
                ═════════════════════════════════
        RenderBox was not laid out: RenderRepaintBoundary#a81ba NEEDS-LAYOUT NEEDS-PAINT
          'package:flutter/src/rendering/box.dart':
     package:flutter/…/rendering/box.dart:1
      Failed assertion: line 1982 pos 12: 'hasSize'

Answer 1

You need to give it some width ( height is optional) like:

actions: [
  SizedBox(
    width: 50,
    child: TextField(),
  )
]