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Button

createButton

Note

The handleEvents() function must be implemented for the Button CallBack function to work.

  • Use: To create a Button element

  • Definition: createButton(String button_text, long font_size, long x, long y, long w, long h, int border_radius, uint32_t text_color, uint32_t bg_color, void (*onclick_callBack)(), String id)

  • Parameters:

    • String button_text : The text to be displayed on the Button as a String
    • long font_size : The font size of the text in px
    • long x : The position of the Text from its top-left corner along x-axis (horizontal) of the screen in px
    • long y : The position of the Text from its top-left corner along y-axis (vertical) of the screen in px
    • long w : The width of the Button in px
    • long h : The height of the Button in px
    • long border_radius : The border radius of the Button in px
    • uint32_t text_color : The color of the text on the Button ( you can use the color() function to apply RGB values directly )
    • uint32_t bg_color : The background color of the Button ( you can use the color() function to apply RGB values directly )
    • void onclick_callBack() : The CallBack function to be executed when the Button is Clicked (*Accepts only void functions)
    • String id : ID of the Button element as a String

  • Returns: ID of the Button element as a String

updateButtonText

  • Use: To update/change the text of a pre-created Button element

  • Definition: updateButtonText(String id, String value)

  • Parameters:

    • String id : The ID of the pre-created Button element
    • String value : The new value of the text as a String

  • Returns: Nothing