merge dispatch activity with splash activity.
refine sign up activity.
implement stub content provider, sync adapter and authenticator.
simulate syncing process.
cache data from remote to local database.
upgrade content adapter with database cursor.
temporary make prefetch data on launch.
add database constraints.
use android default selectable item bg.
implemented async database query with cursor loader and content provider.
implement detail activity for member and organization.
implement simple qrcode generator.
use content provider for inserting data.
optimize performance by using auto increment _id.
fix bug on logout.
fix bug on loader when notify data change.
add validation on cloud code.
implement create event functionality.
add parse ticket for attendance tracking.
fix bug on validation.
use current_timestamp variable instead of datetime function.
add show ticket activity.
implement add attendee with qrcode scanning.