java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{tests.sync/tests.sync.MainAct}: java.lang.ClassNotFoundException: tests.sync.MainAct in loader dalvik.system.PathClassLoader[data/app/tests.sync-2.apk]

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java.lang.ClassNotFoundException: tests.sync.MainAct in loader dalvik.system.PathClassLoader[data/app/tests.sync-2.apk]
at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:240)
at java.lang.ClassLoader.loadClass(ClassLoader.java:551)
at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
at android.app.Instrumentation.newActivity(Instrumentation.java:1021)

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