How to turn on the function of OPPO K 1 suspended ball?

OPPO K 1 The function of opening the float/dot is as follows:

1: Turn on or off the float/point in Settings-Smart and Convenient-Float.

2. After the float function is turned on, you can set the operation mode of the float: gesture operation: different operations can be performed by clicking, double-clicking and long-pressing. Select Click Menu: Select the corresponding function icon to perform related operations.

The functions supported by the floating ball include: returning to the previous level, returning to the desktop, multitasking, notification center, screen locking, one-hand mode, voice assistant and screen capture. You can also set the transparency of the floating ball and automatically hide it in the full-screen interface under the same path.