Button for the Zello

Put Zello in individual status for a better experience. 【✔】
An overlay that activates and deactivates the action button within Zello. 【✔】
Click the overlay button to transmit and click again to stop. 【✔】
Click to lock the button and click to release.
Set a desired size for the button. 【✔】
Set opacity to the button. 【✔】
Set automatic clicks.
Force the click of the button until activated.
Activate the button using the proximity sensor. 【✔】
Activate the button with the screen off using volume +. 【✔】