improvement.


Signed-off-by: Sharl <amoiz.shine@gmail.com>
add leancloud lib.

Signed-off-by: Sharl <amoiz.shine@gmail.com>
use AVOject subclass.

Signed-off-by: Sharl <amoiz.shine@gmail.com>
add task,and use objectId instead of ID.

Signed-off-by: Sharl <amoiz.shine@gmail.com>
a activity performed.

Signed-off-by: Sharl <amoiz.shine@gmail.com>