save

Signed-off-by: wenpincui <wenpincui224@gmail.com>
move containerView layout to res

Signed-off-by: wenpin.cui <wenpincui224@gmail.com>
fix the issue pdf view will disappear when switch tab

Signed-off-by: wenpin.cui <wenpincui224@gmail.com>
Merge branch 'wp-dev'

Conflicts:
	Co-Reading/src/com/example/co_reading/MainActivity.java
Merge branch 'master' of https://github.com/elsonLee/Co-Reading

Conflicts:
	Co-Reading/AndroidManifest.xml