你好,我在使用时点击九宫格图片会程序就崩了.然后报下面这个错,不知道是什么原因.

[eclipse4dk]

FATAL EXCEPTION: main Process: com.example.lrj.chunzhen, PID: 2595 java.lang.NoClassDefFoundError: com.lzy.ninegrid.preview.ImagePreviewAdapter at com.lzy.ninegrid.preview.ImagePreviewActivity.onCreate(ImagePreviewActivity.java:57) at android.app.Activity.performCreate(Activity.java:5231) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1104) at cn.jiguang.a.a.d.a.a.d.callActivityOnCreate(Unknown Source) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2157) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2243) at android.app.ActivityThread.access$800(ActivityThread.java:135) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:136) at android.app.ActivityThread.main(ActivityThread.java:5019) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:515) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595) at dalvik.system.NativeStart.main(Native Method)