Android Programming: The Big Nerd Ranch Guide, 2nd Edition

For the More Curious: Testing onSaveInstanceState(Bundle)

If you are overriding onSaveInstanceState(Bundle), you should test that your state is being saved and restored as expected. This is easy to do on the emulator.

Start up a virtual device. Within the list of applications on the device, find the Settings app (Figure 3.14). This app is included with most system images used on the emulator.

Figure 3.14  Finding the Settings app

Launch Settings and select Developer options. Here you will see many possible settings. Turn on the setting labeled Don’t keep activities, as shown in Figure 3.15.

Figure 3.15  Don’t keep activities ...