HelloWorld - Android error?

Question

I created the Hello world application, but I get this strange error:

The project cannot be built until the build path errors are resolved

I did not change the project, but created it and tried to start it.

Answer 1

To avoid this annoying problem, I have 3 solutions that worked for me.

Solution 1)

delete the created R.java file inside your gen / folder

Solution 2)

a) Delete your project from Eclipse ( I said ONLY from Eclipse , uncheck: Delete project contents on disk)

b) import the project into Eclipse: file> Import> Existing projects in the Workspace (Look for your project previously deleted from Eclipse)> Finish.

Solution 3)

1, 2

Answer 2

, Eclipse

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Answer 3

, . x, .

Answer 4

, , , Android SDK. - R.java . , "gen" R.java. .

Answer 5

, " ", " " → "Android 2.2" ", "

Answer 6

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