MDFillRoundFlatIconButton

CREATING A FILL ROUND FLAT ICON  BUTTON USING KIVYMD  

Video Link on You Tube - https://youtu.be/lAvrGEr3RFo

Following are the steps that are required to create Fill Round Flat Icon Button :

  

1. Creating the App by importing the MDApp class of kivymd module.

2. Creating the Screen by using MDScreen class of kivymd module.

3. Creating a button using MDFillRoundFlatIconButton class of kivymd module. 

First Create a Python file (extension .py) then, create a kivy file (.kv extension) name of kivy file should be same as app name.

App name is the name of the class that consist of build function and created by inheriting the MDApp class

Following is the list of attributes used in this program :-

Attributes of MDScreen class

1. md_bg_color - To change the background color 

2. radius - to change the corner radius of screen

Attributes of MDFillRoundFlatIconButton class

1. text - Text to be printed in the button (takes string)

2. icon - name of icon to be printed on the button.

Note :- you can get the list of ICON name by using this url 

   https://gitlab.com/kivymd/KivyMD/blob/master/kivymd/icon_definitions.py

3. pos_hint -  To place the button at particular position (takes float values)

4. size_hint -  To change the height of button (Takes float type values like .2,.4 , .3,.5 and None,None)

Note :-  Here .2 indicates the 20th part of the screen on y axis 

5. size -  used when the value of size_hint is None,None (Takes numeric value like 100,200)

6. theme_text_color : To change the color of icon (Values Primary, Secondary, Hint, Error and Custom)

Note : When the value of theme_text_color is Custom then we can use text_color attribute to change the color.

7. text_color - To change the color of icon (Takes color values in rgb fromat)

8. font_size - To increase font size of button (takes numeric value)

9. md_bg_color : To change the background color of button takes color name in rgb format. 

10. on_press - Action to be performed when button is pressed

11.on_release - Action to be performed when the button is released

Following is the code of this program :-

# Code of Python Program

from kivymd.app import MDApp

class Myapp(MDApp):

    def build(self):

        return

    def callback(self):

        print("MDFillRoundFlatButton is pressed")

Myapp().run()

# Save it by .py extension

# Code of Kivy file

MDScreen :

    MDFillRoundFlatIconButton :

        text : 'MDFillRoundFlatIconButton'

        icon : "language-python"

        pos_hint : {"center_x":.5,"center_y":.5}

        theme_text_color : "Custom"

        text_color : [0,0,1,1]

        md_bg_color : [0,1,0,1]

        font_size : 30

        size_hint : None,None

        size : 280,35

        on_press : app.callback()

# Save it by name Myapp.kv