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

11 Using ViewPager

In this chapter, you will create a new activity to host CrimeFragment. This activity’s layout will consist of an instance of ViewPager. Adding a ViewPager to your UI lets users navigate between list items by swiping across the screen to “page” forward or backward through the crimes (Figure 11.1).

Figure 11.1  Swiping to page through crimes

Figure 11.2 shows an updated diagram for CriminalIntent. The new activity will be named CrimePagerActivity and will take the place of CrimeActivity. Its layout will consist of a ViewPager.

Figure 11.2  Object diagram for CrimePagerActivity

The only ...