Android Programming The Big Nerd Ranch Guide by Bill Phillips, Chris Stewart, Kristin Marsicano (z-lib.org)

TalkBack

Android presents a dialog asking for permission to access certain information, such as observing the
user’s actions, and to alter certain settings, such as turning on Explore by Touch (Figure 19.2). Press
OK.

Figure 19.2  Giving TalkBack permission

The label to the left of the toggle switch at the top of the screen now says On. (If this is your first time
using TalkBack on the device, you will be brought through a tutorial at this point.) Exit the menu by
pressing the Up button in the toolbar.