从eclipse在android应用程序中导出已签名的应用程序包时，我收到错误proguard returned with error code 1 :see console
这是我的 project.property 文件
# This file is automatically generated by Android Tools.
# Do not modify this file -- YOUR CHANGES WILL BE ERASED!
#
# This file must be checked in Version Control Systems.
#
# To customize properties used by the Ant build system edit
# "ant.properties", and override values to adapt the script to your
# project structure.
#
# To enable ProGuard to shrink and obfuscate your code, uncomment this (available properties: sdk.dir, user.home):
proguard.config=${sdk.dir}/tools/proguard/proguard-android.txt:proguard-project.txt
# Project target.
target=android-19
android.library.reference.1=../google-play-services_lib
android.library.reference.2=../ratinglibrary
android.library.reference.3=../appcompat_v7
android.library.reference.4=../ViewpagerLibrary
请有人建议我。提前谢谢......