haegyeong
# main(2) java.lang.NullPointerException Attempt to get length of null array 解析原始 1 com.z.fileselectorlib.Utils.FileUtil.getSubfolderNum(FileUtil.java:197) 2 com.z.fileselectorlib.FileSelectorActivity.getFileList(FileSelectorActivity.java:363) 3 com.z.fileselectorlib.FileSelectorActivity.access$500(FileSelectorActivity.java:47) 4 com.z.fileselectorlib.FileSelectorActivity$8.onItemClick(FileSelectorActivity.java:322) 5 android.widget.AdapterView.performItemClick(AdapterView.java:330) 6 android.widget.AbsListView.performItemClick(AbsListView.java:1198) 7 android.widget.AbsListView$PerformClick.run(AbsListView.java:3193) 8 android.widget.AbsListView$3.run(AbsListView.java:4111) 9 android.os.Handler.handleCallback(Handler.java:938) 10...