android_app_Slider

slider view

1. overview

ViewPager provides screen slides,

SliderActivity needs to extend FragmentActivity

SliderActivity needs an adapter(SliderAdapter) to provide fragments

The fragment is really provided by SliderFragment, which extends Fragment

2. class relationship

SliderActivity

• onCreate()

  activity找到ViewPager, 设置adapter

• onCreateOptionsMenu

  创建options菜单，显示previous,next

• onOptionsItemSelected

  配置options menu动作

SliderPagerAdapter

• getItem()

  使用SliderFragment提供fragment

• getCount()

  提供总页数

SliderFragment

• onCreate()

  从bundle获取参数，设置成员变量（请求的页数pageNumber)

• onCreateView()

  inflate设置好的fragment layout