eclipse + android compiling problem

eclipse android virtual machine application

eclipse + android did a little demo, using virtual machines to run successfully.
Showing helloworld, then modified to helloandroid, restart the application, but the output is still helloworld.
I ask the question whether it is compiled?

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After clean run again
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App of this situation is not updated to the latest code. You can first save the project, without being given the right to select Demo Project compiled - "run as -" Android Application
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reference to the second floor yxinf reply:

this situation App code is not updated to the latest. You can first save the project, without being given the right to select Demo Project compiled - "run as -" Android Application

Compilation (clean) after it reported a startup Could not find ***. Apk!
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clean just to clear out the files have been compiled, there is a check menu, you check under these two days I also learned that
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reference to the third floor z64547421 reply:

Quote: references to the second floor yxinf reply:

App of this situation is not updated to the latest code. You can first save the project, without being given the right to select Demo Project compiled - "run as -" Android Application

Compilation (clean) after it reported a startup Could not find ***. Apk!

Apk uninstall the original re-load it.