uzair-ird

**Descri java.lang.NullPointerException: getContentType(...) must not be null W/System.err( 7202): at vn.hunghd.flutterdownloader.DownloadWorker.downloadFile(DownloadWorker.kt:343) W/System.err( 7202): at vn.hunghd.flutterdownloader.DownloadWorker.doWork(DownloadWorker.kt:206) W/System.err( 7202): at androidx.work.Worker$1.run(Worker.java:82) W/System.err( 7202): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) W/System.err( 7202): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:644) W/System.err( 7202): at...