08-08 04:03:23.197: ERROR/AndroidRuntime(1789): FATAL EXCEPTION: main
08-08 04:03:23.197: ERROR/AndroidRuntime(1789): java.lang.IncompatibleClassChangeError: superclass is final
08-08 04:03:23.197: ERROR/AndroidRuntime(1789): at dalvik.system.DexFile.defineClass(Native Method)
08-08 04:03:23.197: ERROR/AndroidRuntime(1789): at dalvik.system.DexFile.loadClassBinaryName(DexFile.java:209)
08-08 04:03:23.197: ERROR/AndroidRuntime(1789): at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:203)
08-08 04:03:23.197: ERROR/AndroidRuntime(1789): at java.lang.ClassLoader.loadClass(ClassLoader.java:573)
08-08 04:03:23.197: ERROR/AndroidRuntime(1789): at java.lang.ClassLoader.loadClass(ClassLoader.java:532)
08-08 04:03:23.197: ERROR/AndroidRuntime(1789): at android.app.Instrumentation.newApplication(Instrumentation.java:942)
08-08 04:03:23.197: ERROR/AndroidRuntime(1789): at android.app.ActivityThread$PackageInfo.makeApplication(ActivityThread.java:644)
08-08 04:03:23.197: ERROR/AndroidRuntime(1789): at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4232)
08-08 04:03:23.197: ERROR/AndroidRuntime(1789): at android.app.ActivityThread.access$3000(ActivityThread.java:125)
08-08 04:03:23.197: ERROR/AndroidRuntime(1789): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2071)
08-08 04:03:23.197: ERROR/AndroidRuntime(1789): at android.os.Handler.dispatchMessage(Handler.java:99)
08-08 04:03:23.197: ERROR/AndroidRuntime(1789): at android.os.Looper.loop(Looper.java:123)
08-08 04:03:23.197: ERROR/AndroidRuntime(1789): at android.app.ActivityThread.main(ActivityThread.java:4627)
08-08 04:03:23.197: ERROR/AndroidRuntime(1789): at java.lang.reflect.Method.invokeNative(Native Method)
08-08 04:03:23.197: ERROR/AndroidRuntime(1789): at java.lang.reflect.Method.invoke(Method.java:521)
08-08 04:03:23.197: ERROR/AndroidRuntime(1789): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
08-08 04:03:23.197: ERROR/AndroidRuntime(1789): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
08-08 04:03:23.197: ERROR/AndroidRuntime(1789): at dalvik.system.NativeStart.main(Native Method)
如果只是单纯进行数据库读取数据等操作而不需要跨进程之类处理,有必要使用service吗?