Merge branch 'dev' v0.3.0 v0.3.0
authorPeng Li <seudut@gmail.com>
Wed, 23 May 2018 08:54:09 +0000 (16:54 +0800)
committerPeng Li <seudut@gmail.com>
Wed, 23 May 2018 08:54:09 +0000 (16:54 +0800)
1. handle Network event
2. handle USB event
3. fix backpress issue
4. Log improvement


Trivial merge