不能发现 class "com.uustudio.unote.android.BaseApplication"

12-13 15:45:46.289: E/AndroidRuntime(3474): java.lang.RuntimeException: Unable to instantiate application com.uustudio.unote.android.BaseApplication: java.lang.ClassNotFoundException: Didn't find class "com.uustudio.unote.android.BaseApplication" on path: DexPathList[[zip file "/system/framework/android.test.runner.jar", zip file "/data/app/com.uustudio.unote.activity-1.apk"],nativeLibraryDirectories=[/data/app-lib/com.uustudio.unote.activity-1, /system/lib]]
12-13 15:45:46.289: E/AndroidRuntime(3474): at android.app.LoadedApk.makeApplication(LoadedApk.java:507)
12-13 15:45:46.289: E/AndroidRuntime(3474): at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4301)
12-13 15:45:46.289: E/AndroidRuntime(3474): at android.app.ActivityThread.access$1500(ActivityThread.java:135)
12-13 15:45:46.289: E/AndroidRuntime(3474): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1256)
12-13 15:45:46.289: E/AndroidRuntime(3474): at android.os.Handler.dispatchMessage(Handler.java:102)
12-13 15:45:46.289: E/AndroidRuntime(3474): at android.os.Looper.loop(Looper.java:136)
12-13 15:45:46.289: E/AndroidRuntime(3474): at android.app.ActivityThread.main(ActivityThread.java:5001)
12-13 15:45:46.289: E/AndroidRuntime(3474): at java.lang.reflect.Method.invokeNative(Native Method)
12-13 15:45:46.289: E/AndroidRuntime(3474): at java.lang.reflect.Method.invoke(Method.java:515)
12-13 15:45:46.289: E/AndroidRuntime(3474): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:785)
12-13 15:45:46.289: E/AndroidRuntime(3474): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:601)
12-13 15:45:46.289: E/AndroidRuntime(3474): at dalvik.system.NativeStart.main(Native Method)

解决方法：右键项目-》build path-》config build path -》source中增加工程src文件夹