IEEE

Dynamic Detection of AsyncTask Related Defects

Abstract: As a widely used Android asynchronous component, AsyncTask is used to run time-consuming tasks. However, the misuse of AsyncTask will cause defects, i.e., crashes and memory leaks. Based on ...
GitHub

Request URL builds incorrectly

I am trying to fetch a zip file from our server. When the request finishes app crashes with the following stack trace: E/AndroidRuntime: FATAL EXCEPTION: AsyncTask #1 ...
GitHub

Attempt to invoke virtual method 'com.github.mikephil.charting.components.Description com.github.mikephil.charting.charts.PieChart.getDescription()' on a null object reference

java.lang.NullPointerException: Attempt to invoke virtual method 'com.github.mikephil.charting.components.Description com.github.mikephil.charting.charts.PieChart ...
findnerd.com

Steps to download a file in android using Asynctask

Instantiate the above reference in onCreate() method of activity. Ex:- mProgressDialog = new ProgressDialog(this); // here this is the object of your activity mProgressDialog.setMessage("Please wait") ...