The plugin lets you choose between WhatsApp icon and rectangle with text label..
To enable WhatsApp button, check the first box in the settings page.
You must enter international phone number, NO dashes ) order to enable WhatsApp button.
The General Settings tab includes options such as limiting the button to display under certain screen resolution, attaching message that will be populated in the user's phone when they click the button, and more..
The Button Design tab includes controls for the color, label color, button type, and more.
The Button Design tab also includes smartphone mockup with live preview screen, enabling you to see real-time rendering of how your button would look, on the fly, as you are changing its design..
Upload the plugin files to the wp-content plugins add-whatsapp-button directory, or install the plugin through WordPress plugins screen directly..
On WordPress Admin menu, go to Settings->Add WhatsApp Button to configure the plugin...
I see there is setting for limiting the display hours for WhatsApp button.
Browse the code, check out SVN repository, or subscribe to the development log by RSS...
Read more