Widget _buildIconTextMessage(BuildContext context) { return TDButton( isBlock: true, text: '带图标的通知', size: TDButtonSize.large, type: TDButtonType.outline, width: 450, theme: TDButtonTheme.primary, onTap: () { TDMessage.showMessage( context: context, content: _commonContent, visible: true, icon: true, theme: MessageTheme.info, duration: 3000, ); }); }