* Init import.
* Page A01 partial.
* Page A01 most.
* Page A02 partial.
* Page A01 background shadow.
* Page A02 partial.
* Adjust list background color.
* List view selector effect.
* Topic introduction animation. (Method fragment.)
* Restore from mistake git operation.
* Remove ide files.
* Clean source.
Merge branch 'secondmaster'