onActivityResult null point execption

[MustafaDev-shaikh]

Error trace from firebase CrashReportList

Fatal Exception: java.lang.RuntimeException
Failure delivering result ResultInfo{who=null, request=1, result=0, data=null} to activity {com.salarydost.cwtapp/com.jaiselrahman.filepicker.activity.FilePickerActivity}: java.lang.NullPointerException: url

com.android.internal.util.Preconditions.checkNotNull (Preconditions.java:128)
android.content.ContentResolver.delete (ContentResolver.java:1693)
com.jaiselrahman.filepicker.activity.FilePickerActivity.onActivityResult (FilePickerActivity.java:231)
android.app.Activity.dispatchActivityResult (Activity.java:7590)
android.app.ActivityThread.deliverResults (ActivityThread.java:4416)
android.app.ActivityThread.handleSendResult (ActivityThread.java:4465)
android.app.servertransaction.ActivityResultItem.execute (ActivityResultItem.java:49)
android.app.servertransaction.TransactionExecutor.executeCallbacks (TransactionExecutor.java:108)
android.app.servertransaction.TransactionExecutor.execute (TransactionExecutor.java:68)
android.app.ActivityThread$H.handleMessage (ActivityThread.java:1831)
android.os.Handler.dispatchMessage (Handler.java:106)
android.os.Looper.loop (Looper.java:201)
android.app.ActivityThread.main (ActivityThread.java:6810)
java.lang.reflect.Method.invoke (Method.java)
com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run (RuntimeInit.java:547)
com.android.internal.os.ZygoteInit.main (ZygoteInit.java:873)