Contact ListView with SimpleCursorAdapter

https://developer.android.com/guide/topics/ui/layout/listview.html
http://www.cnblogs.com/agrimony/archive/2013/04/27/3047246.html

1. use Android Studio, create blank activity
2. extend ListAcitvity, implements LoaderCallback
3. add member SimpleCursorAdapter, projection, selection
4. add onCreateLoader, onLoadFinished, onLoaderReset
5. In onCreate, add setListAdapter, initLoader
6. add ListView layout in activity_main (change id to @+id/android:list)
7. add users-permission into manifest