After the project is no novice to import android code? ? ?

I first eclipse in the android on the right and press the Delete items directly imported using Import import code gone

The import process file-> Import -> anrdroid Existing android Code Into Workspace

AndroidManifest.xml and MyActivity.java there layout inside the layout file code is gone<-! Main posts under Banner (D4) -><-! Posts under the main text (D5) ->
Reply:
The eclipse you have problems re-installed under