java.lang.NullPointerException

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    • java.lang.NullPointerException at com.wenming.weiswift.ui.login.fragment.post.picselect.adapter.ImgFolderAdapter.getCount(ImgFolderAdapter.java:49) at android.widget.ListView.setAdapter(ListView.java:480) at com.wenming.weiswift.ui.login.fragment.post.picselect.popwindow.ImgFolderPopWindow.initListView(ImgFolderPopWindow.java:52) at com.wenming.weiswift.ui.login.fragment.post.picselect.popwindow.ImgFolderPopWindow.<init>(ImgFolderPopWindow.java:45) at com.wenming.weiswift.ui.login.fragment.post.picselect.activity.AlbumActivity$2.onClick(AlbumActivity.java:111) at android.view.View.performClick(View.java:4438) at android.view.View$PerformClick.run(View.java:18439) at android.os.Handler.handleCallback(Handler.java:733) at android.os.Handler.dispatchMessage(Handler.java:95) at android.os.Looper.loop(Looper.java:136) at android.app.ActivityThread.main(ActivityThread.java:5095) 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:786) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:602) at dalvik.system.NativeStart.main(Native Method)
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