Links to several developer communities and forums are collected here for backup.
1 devdiv Android developer community
Devdiv is a comprehensive mobile developer community, including the iOS, Windows Phone, and Android developer communities. The discussion atmosphere is very good and there are many technical experts.
2 eoeandroid Development Portal
The dedicated developer portal shows several Android documents launched by this community. Compared with the devdiv section, the Library provides more content.
3. Android Bus
Several QQ groups affiliated to the Forum are full, so it's hard to squeeze in one.
4. Android flight network
Similar to Android buses and EOE, this forum focuses on Android Developers and provides rich content.
Micro-level, great stick, Android Development Forum, Android Development Alliance, programming Forum-android, Android Development Network, Android China, Android people, etc.
Of course, there are other websites with some developer discussion areas. Currently, devdiv is the most accessible.