app onresume cance notification
add file
update newgroupactivity
add User name does not support the capital letters
update for group
update ui for apply into group
update for appliy to group
add send video message
Merge branch 'easemob-dev' of https://github.com/easemob/sdkexamples-android into easemob-dev
update demoui
update video send
Merge branch 'easemob-dev' of https://github.com/easemob/sdkexamples-android into easemob-dev
update uidemo
update uidemo