HELP!!!! FATAL EXCEPTION: main

01-24 18:09:45.034: E/AndroidRuntime(13497): FATAL EXCEPTION: main
01-24 18:09:45.034: E/AndroidRuntime(13497): java.lang.RuntimeException: Unable to start activity ComponentInfo{project.com/project.com.ProjectActivity}: android.view.InflateException: Binary XML file line #11: Error inflating class au.csie.INVOICEOCR.CameraViewfinder
01-24 18:09:45.034: E/AndroidRuntime(13497):  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2253)
01-24 18:09:45.034: E/AndroidRuntime(13497):  at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2288)
01-24 18:09:45.034: E/AndroidRuntime(13497):  at android.app.ActivityThread.access$600(ActivityThread.java:144)
01-24 18:09:45.034: E/AndroidRuntime(13497):  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1290)
01-24 18:09:45.034: E/AndroidRuntime(13497):  at android.os.Handler.dispatchMessage(Handler.java:99)
01-24 18:09:45.034: E/AndroidRuntime(13497):  at android.os.Looper.loop(Looper.java:156)
01-24 18:09:45.034: E/AndroidRuntime(13497):  at android.app.ActivityThread.main(ActivityThread.java:5109)
01-24 18:09:45.034: E/AndroidRuntime(13497):  at java.lang.reflect.Method.invokeNative(Native Method)
01-24 18:09:45.034: E/AndroidRuntime(13497):  at java.lang.reflect.Method.invoke(Method.java:511)
01-24 18:09:45.034: E/AndroidRuntime(13497):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:991)
01-24 18:09:45.034: E/AndroidRuntime(13497):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:758)
01-24 18:09:45.034: E/AndroidRuntime(13497):  at dalvik.system.NativeStart.main(Native Method)
01-24 18:09:45.034: E/AndroidRuntime(13497): Caused by: android.view.InflateException: Binary XML file line #11: Error inflating class au.csie.INVOICEOCR.CameraViewfinder
01-24 18:09:45.034: E/AndroidRuntime(13497):  at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:691)
01-24 18:09:45.034: E/AndroidRuntime(13497):  at android.view.LayoutInflater.rInflate(LayoutInflater.java:739)
01-24 18:09:45.034: E/AndroidRuntime(13497):  at android.view.LayoutInflater.inflate(LayoutInflater.java:489)
01-24 18:09:45.034: E/AndroidRuntime(13497):  at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
01-24 18:09:45.034: E/AndroidRuntime(13497):  at android.view.LayoutInflater.inflate(LayoutInflater.java:352)
01-24 18:09:45.034: E/AndroidRuntime(13497):  at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:276)
01-24 18:09:45.034: E/AndroidRuntime(13497):  at android.app.Activity.setContentView(Activity.java:1897)
01-24 18:09:45.034: E/AndroidRuntime(13497):  at project.com.ProjectActivity.onCreate(ProjectActivity.java:40)
01-24 18:09:45.034: E/AndroidRuntime(13497):  at android.app.Activity.performCreate(Activity.java:4543)
01-24 18:09:45.034: E/AndroidRuntime(13497):  at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1071)
01-24 18:09:45.034: E/AndroidRuntime(13497):  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2209)
01-24 18:09:45.034: E/AndroidRuntime(13497):  ... 11 more
01-24 18:09:45.034: E/AndroidRuntime(13497): Caused by: java.lang.ClassNotFoundException: au.csie.INVOICEOCR.CameraViewfinder
01-24 18:09:45.034: E/AndroidRuntime(13497):  at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:61)
01-24 18:09:45.034: E/AndroidRuntime(13497):  at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
01-24 18:09:45.034: E/AndroidRuntime(13497):  at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
01-24 18:09:45.034: E/AndroidRuntime(13497):  at android.view.LayoutInflater.createView(LayoutInflater.java:552)
01-24 18:09:45.034: E/AndroidRuntime(13497):  at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:680)
01-24 18:09:45.034: E/AndroidRuntime(13497):  ... 21 more

补充：移动开发 ,  Android