buildRow method

Row buildRow()

构建搜索图标与显示文本

Implementation

Row buildRow() {
  return Row(
    mainAxisAlignment: MainAxisAlignment.center,
    crossAxisAlignment: CrossAxisAlignment.center,
    children: <Widget>[
      ///左侧的搜索图标
      Icon(
        Icons.search,
        color: Colors.black45,
        size: 24.0,
        semanticLabel: 'Text to announce in accessibility modes',
      ),

      SizedBox(
        width: 8.0,
      ),

      ///中间的输入框
      Expanded(
        flex: 1,
        child: Container(
          alignment: Alignment(-1, 0),
          child: buildTextField(),
        ),
      ),

      ///右侧的清除小按钮
      buildClearButton(),
    ],
  );
}