java.lang.RuntimeException: An error occurred while executing doInBackground()

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via Coderanch by simone giusti, 1 year ago
An error occurred while executing doInBackground()
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An error occurred while executing doInBackground()
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An error occurred while executing doInBackground()
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An error occurred while executing doInBackground()
via GitHub by AndroidDeveloperLB
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An error occurred while executing doInBackground()
via GitHub by Madis0
, 10 months ago
An error occurred while executing doInBackground()
java.lang.NullPointerException: Attempt to invoke virtual method 'void com.bizo.momnkid.fragment.SubCategoryListFragment$CategoryAdapter.hideLoader(int, boolean)' on a null object reference	at com.bizo.momnkid.fragment.SubCategoryListFragment$ImageDownloader.doInBackground(SubCategoryListFragment.java:277)	at com.bizo.momnkid.fragment.SubCategoryListFragment$ImageDownloader.doInBackground(SubCategoryListFragment.java:243)	at android.os.AsyncTask$2.call(AsyncTask.java:295)	at java.util.concurrent.FutureTask.run(FutureTask.java:237)	at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:234)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)	at java.lang.Thread.run(Thread.java:818)