(Nearby-Shops-End-User-Android-app V 1.1) app crash when try to create a new market if we cancel and try to type a new url

PROJECT INFORMATION

REPOSITORIES :https://github.com/SumeetMoray/Nearby-Shops-Admin-App OR CAN BE https://github.com/SumeetMoray/Nearby-Shops-End-User-Android-app
ISSUES : https://github.com/SumeetMoray/Nearby-Shops-Admin-App/issues/2

EXPECTED BEHAVIOR

when writing the url that you want to submit the user should be able to cancel the creation of a new market so that users can submit a new url for the local market

ACTUAL BEHAVIOR

after the user cancels the creation of a new market then when the user wants to write the new url this application will crash

STEP TO REPRODUCE

• install and open the app
• scroll right to the "market" section
• there will be a "+" button, press the button and write a url
• press submit, then wait a few seconds, then press any part of the screen to cancel creating a new market.
• theN try to write a new url and note the error

ERROR RECORDING

android: android 6.1
BROWSER: Nearby-Shops-End-User-Android-app V 1.1

Process: org.nearbyshops.enduserappnew, PID: 17603
java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.res.Resources android.content.Context.getResources()' on a null object reference
    at android.widget.Toast.<init>(Toast.java:106)
    at android.widget.Toast.makeText(Toast.java:271)
    at org.nearbyshops.enduserappnew.Markets.SubmitURLDialog.showToastMessage(SubmitURLDialog.java:218)
    at org.nearbyshops.enduserappnew.Markets.SubmitURLDialog$1.onFailure(SubmitURLDialog.java:207)
    at retrofit2.ExecutorCallAdapterFactory$ExecutorCallbackCall$1$2.run(ExecutorCallAdapterFactory.java:80)
    at android.os.Handler.handleCallback(Handler.java:815)
    at android.os.Handler.dispatchMessage(Handler.java:104)
    at android.os.Looper.loop(Looper.java:218)
    at android.app.ActivityThread.main(ActivityThread.java:5657)
    at java.lang.reflect.Method.invoke(Native Method)
    at java.lang.reflect.Method.invoke(Method.java:372)
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:990)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:785)```