java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.lang.String.equals(java.lang.Object)' on a null object reference about chatapptutorial HOT 4 OPEN

i solved the problem by change:
if ( user.getImageURL().equals("default"))
To
if (user!=null && user.getImageURL() != null && user.getImageURL().equals("default"))

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Hi Koddev any idea about creating groups in your chat application

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i solved the problem by change:
if ( user.getImageURL().equals("default"))
To
if (user!=null && user.getImageURL() != null && user.getImageURL().equals("default"))

i solved the problem by change:
if ( user.getImageURL().equals("default"))
To
if (user!=null && user.getImageURL() != null && user.getImageURL().equals("default"))

hi how did you solve this error?

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Hi Koddev any idea about creating groups in your chat application

I have actually implemented group chat using Koddev application as base Heres the link check if your interested https://github.com/MohammedAbidNafi/MessengerByMargs

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