我正在尝试在我的 android 应用程序中使用SupportKit库与用户实现聊天服务。我按照 eclipse 中提到的所有步骤来实现这个特性。我在 Eclipse 中使用 SupportKit 1.0.0 版本。但是每次我尝试运行它时，我都会在 io.supportkit.ui.ConversationActivity 上收到 ClassNotFoundException。
日志：
09-02 15:15:21.632: E/AndroidRuntime(9122): FATAL EXCEPTION: main
09-02 15:15:21.632: E/AndroidRuntime(9122): Process: com.example.saplesupport, PID: 9122
09-02 15:15:21.632: E/AndroidRuntime(9122): java.lang.NoClassDefFoundError: Failed resolution of: Lio/supportkit/ui/ConversationActivity;
09-02 15:15:21.632: E/AndroidRuntime(9122): at com.example.saplesupport.MainActivity$1.onClick(MainActivity.java:23)
09-02 15:15:21.632: E/AndroidRuntime(9122): at android.view.View.performClick(View.java:4759)
09-02 15:15:21.632: E/AndroidRuntime(9122): at android.view.View$PerformClick.run(View.java:19770)
09-02 15:15:21.632: E/AndroidRuntime(9122): at android.os.Handler.handleCallback(Handler.java:739)
09-02 15:15:21.632: E/AndroidRuntime(9122): at android.os.Handler.dispatchMessage(Handler.java:95)
09-02 15:15:21.632: E/AndroidRuntime(9122): at android.os.Looper.loop(Looper.java:135)
09-02 15:15:21.632: E/AndroidRuntime(9122): at android.app.ActivityThread.main(ActivityThread.java:5232)
09-02 15:15:21.632: E/AndroidRuntime(9122): at java.lang.reflect.Method.invoke(Native Method)
09-02 15:15:21.632: E/AndroidRuntime(9122): at java.lang.reflect.Method.invoke(Method.java:372)
09-02 15:15:21.632: E/AndroidRuntime(9122): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:904)
09-02 15:15:21.632: E/AndroidRuntime(9122): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:699)
09-02 15:15:21.632: E/AndroidRuntime(9122): Caused by: java.lang.ClassNotFoundException: Didn't find class "io.supportkit.ui.ConversationActivity" on path: DexPathList[[zip file "/data/app/com.example.saplesupport-1/base.apk"],nativeLibraryDirectories=[/vendor/lib64, /system/lib64]]
09-02 15:15:21.632: E/AndroidRuntime(9122): at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
09-02 15:15:21.632: E/AndroidRuntime(9122): at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
09-02 15:15:21.632: E/AndroidRuntime(9122): at java.lang.ClassLoader.loadClass(ClassLoader.java:469)
09-02 15:15:21.632: E/AndroidRuntime(9122): ... 11 more
09-02 15:15:21.632: E/AndroidRuntime(9122): Suppressed: java.lang.NoClassDefFoundError: io.supportkit.ui.ConversationActivity
09-02 15:15:21.632: E/AndroidRuntime(9122): at dalvik.system.DexFile.defineClassNative(Native Method)
09-02 15:15:21.632: E/AndroidRuntime(9122): at dalvik.system.DexFile.defineClass(DexFile.java:226)
09-02 15:15:21.632: E/AndroidRuntime(9122): at dalvik.system.DexFile.loadClassBinaryName(DexFile.java:219)
09-02 15:15:21.632: E/AndroidRuntime(9122): at dalvik.system.DexPathList.findClass(DexPathList.java:321)
09-02 15:15:21.632: E/AndroidRuntime(9122): at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:54)
09-02 15:15:21.632: E/AndroidRuntime(9122): ... 13 more
09-02 15:15:21.632: E/AndroidRuntime(9122): Suppressed: java.lang.ClassNotFoundException: io.supportkit.ui.ConversationActivity
09-02 15:15:21.632: E/AndroidRuntime(9122): at java.lang.Class.classForName(Native Method)
09-02 15:15:21.632: E/AndroidRuntime(9122): at java.lang.BootClassLoader.findClass(ClassLoader.java:781)
09-02 15:15:21.632: E/AndroidRuntime(9122): at java.lang.BootClassLoader.loadClass(ClassLoader.java:841)
09-02 15:15:21.632: E/AndroidRuntime(9122): at java.lang.ClassLoader.loadClass(ClassLoader.java:504)
09-02 15:15:21.632: E/AndroidRuntime(9122): ... 12 more
09-02 15:15:21.632: E/AndroidRuntime(9122): Caused by: java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack available