First Try to Implement AccountManager
Use Constants as Tablename
Implement own Account-Authentification
Implement first try of Contentprovider
Add SyncAdapter
First working sync with SyncAdapter
Use Serverurl from AccountManager
Merge to NextTry
Implement Change account
Use url from Account
Implement Sync-Intervall
Fix sync sequence
APK
Update README(Do not use this Branch)
add DateTimeFormate
Prepere update Database
Move Sync to SyncAdapter
Add some sync related Parameters
Improve Listsync
Use 1 function, Sync should work now but is not tested yet