每次我从 eclipse 导出签名的应用程序并将 apk 文件安装到我的手机上时，应用程序都会崩溃。仅当启用 Proguard 时才会发生这种情况。
这是我的 proguard 文件
-libraryjars /libs/firebase-client-android-2.2.3.jar
-libraryjars /libs/android-support-v4.jar
-optimizationpasses 5
-dontusemixedcaseclassnames
-dontskipnonpubliclibraryclasses
-dontpreverify
-verbose
-optimizations !code/simplification/arithmetic,!field/*,!class/merging/*
-keep public class * extends android.app.Activity
-keep public class * extends android.app.Application
-keep public class * extends android.app.Service
-keep public class * extends android.content.BroadcastReceiver
-keep public class * extends android.content.ContentProvider
-keep public class * extends android.app.backup.BackupAgentHelper
-keep public class * extends android.preference.Preference
-keep public class com.android.vending.licensing.ILicensingService
-keep public class * implements java.io.Serializable
-keep public class * extends android.support.v4.app.Fragment …