java.lang.IncompatibleClassChangeError: org.apache.http.params.SyncBasicHttpParams
            at dalvik.system.DexFile.defineClassNative(Native Method)
            at dalvik.system.DexFile.defineClass(DexFile.java:226)
            at dalvik.system.DexFile.loadClassBinaryName(DexFile.java:219)
            at dalvik.system.DexPathList.findClass(DexPathList.java:321)
            at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:54)
            at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
            at java.lang.ClassLoader.loadClass(ClassLoader.java:469)
            at java.lang.Class.classForName(Native Method)
            at java.lang.Class.forName(Class.java:308)
            at com.activeandroid.ModelInfo.scanForModelClasses(ModelInfo.java:187)
            at com.activeandroid.ModelInfo.scanForModel(ModelInfo.java:152)
            at com.activeandroid.ModelInfo.<init>(ModelInfo.java:63)
            at com.activeandroid.Cache.initialize(Cache.java:66)
            at com.activeandroid.ActiveAndroid.initialize(ActiveAndroid.java:44)
            at com.activeandroid.ActiveAndroid.initialize(ActiveAndroid.java:34)
            at com.activeandroid.ActiveAndroid.initialize(ActiveAndroid.java:30)
            at com.xxxxker.App.onCreate(App.java:67)