TalkBack is an Android screen reader made by Google. It speaks out the contents of a screen based on what the user is doing.
TalkBack works because it is an accessibility service, which is a special component that can read information from the screen (no matter which app you are using). Anyone can write their own accessibility service, but TalkBack is the most popular.
To use TalkBack, install the Android Accessibility Suite through the Play Store app on your emulator or device (Figure 18.1). If you choose to use an emulator, you must use an emulator image that has the Play Store installed.
Figure 18.1 Android Accessibility Suite
Next, make sure the device’s sound output is not muted – but you may want to grab ...