java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.io.File.getAbsolutePath()' on a null object reference

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【CrashLog】 WeiSwift 2016-08-27 13:15:01:80

Attempt to invoke virtual method 'java.lang.String java.io.File.getAbsolutePath()' on a null object reference

【CrashLog】 WeiSwift 2016-08-27 00:17:10:83

Attempt to invoke virtual method 'java.lang.String java.io.File.getAbsolutePath()' on a null object reference

java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.io.File.getAbsolutePath()' on a null object reference	at com.wenming.weiswift.ui.login.fragment.home.imagedetaillist.ViewPagerAdapter.displayLongPic(ViewPagerAdapter.java:219)	at com.wenming.weiswift.ui.login.fragment.home.imagedetaillist.ViewPagerAdapter.access$100(ViewPagerAdapter.java:38)	at com.wenming.weiswift.ui.login.fragment.home.imagedetaillist.ViewPagerAdapter$1.onLoadingComplete(ViewPagerAdapter.java:117)	at com.nostra13.universalimageloader.core.DisplayBitmapTask.run(DisplayBitmapTask.java:72)	at android.os.Handler.handleCallback(Handler.java:815)	at android.os.Handler.dispatchMessage(Handler.java:104)	at android.os.Looper.loop(Looper.java:194)	at android.app.ActivityThread.main(ActivityThread.java:5536)	at java.lang.reflect.Method.invoke(Native Method)	at java.lang.reflect.Method.invoke(Method.java:372)	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:955)	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:750)