android application crashed when installed from apk [closed]

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http://stackoverflow.com – I have finished my android application and exported it as apk file. my project contain reference to another project in my workspace. when I run the application installed from apk the application crashed at the moment when the other project called, although when I run the project from eclipse its worked correctly. no problems in proguard during export process. also I cant see errors in log. where is the problem? (HowTos)