retrieving apps from trash can

If you uninstalled the app then you can't retrieve it unless you download it again from the market. But all your saved data will be lost.
 
If by "trash can" you mean removed from the home screen then:
  1. find the app in your apps
  2. long press on the app
  3. select "Add to Home"
 

Trending Posts

Members online

Forum statistics

Threads
959,062
Messages
6,978,437
Members
3,164,182
Latest member
shaik