[Solved] TextView isn’t updated with JSON Response

by 


GetYouTubeUserCommentsTask task = new GetYouTubeUserCommentsTask(null,
                viewCount); // passing null.

And you have

public GetYouTubeUserCommentsTask(Handler replyTo, String username) {
        this.replyTo = replyTo; // replyTo is null
        this.username = username;
    }

replyTo is null. You need to Initialize the handler replyTo

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solved TextView isn’t updated with JSON Response