Different type of buttons

buttons.dart

/// Button with outline
       SizedBox(
                        height: 33,
                        child: new OutlineButton(
                            padding: AppDimens.insetsHorizontal32,
                            child: new Text(
                              translate('auth.back'),
                              style: Theme.of(context).textTheme.button,
                            ),
                            borderSide: BorderSide(
                                color: Colors.black,
                                width: AppDimens.buttonBorder,
                                style: BorderStyle.solid),
                            onPressed: Navigator.maybeOf(context)?.pop,
                            textColor: Colors.black,
                            disabledBorderColor: Colors.black,
                            highlightedBorderColor: Colors.black,
                            shape: new RoundedRectangleBorder(
                              borderRadius: AppDimens.radiusBorderButton,
                            )),
                      );
                      
                      ***
                      
                      // button with text and rounded corners
                      
    TextButton(
      child: Text('···'),
      style: TextButton.styleFrom(
        padding: EdgeInsets.zero,
        primary: Colors.white,
        backgroundColor: Color(0xFFFF9900),
        shape: RoundedRectangleBorder(
          borderRadius: new BorderRadius.circular(6.0),
        ),
      ),
      onPressed: () {
        print('Pressed');
      },
    );
    
    ***
    
    // button with rounded corners and rounded popup
    PopupMenuButton(
    padding: EdgeInsets.zero,
    iconSize: 20,
    // TODO: set dynamic position according to length of the text and position in a row
    //control position of the bubble
    // offset: Offset(-(popupText.length.toDouble()),-52),
    shape: RoundedRectangleBorder(
            borderRadius: new BorderRadius.circular(6.0),
          ),
    icon: Icon(Icons.more_horiz, color: Colors.white),
    itemBuilder: (BuildContext context) {
      return [
        PopupMenuItem<String>(
          height: 36,
          textStyle: TextStyle(
              color: Color(0xFF1D3866),
              fontWeight: FontWeight.w700,
              fontSize: 14,
              fontStyle: FontStyle.normal,
              fontFamily: 'Cera Round Pro',
              locale: Locale(widget.locale)),
          child: Text(popupText),
        )
      ];
    })