android - Eclipse collapses whenever I generate my apk -

i've designed app (chat app) , worked fine left project , came month later , tried generate apk eclipse collapsed , said: gc overhead limit exceeded

i've tried rewrite reached point faced same error

what seems problem?

probably, bad in code, because error running out of memory in post: java.lang.outofmemoryerror: gc overhead limit exceeded

and can try use android studio, migrating app simple process: https://developer.android.com/sdk/installing/migrate.html