Scrollview not filling up from iconbutton click.

Hi Guys,
I have two activities one with normal buttons and another with iconbuttons.
On click of both one common activity opens and loads scrollview.
On clicking normal buttons the scrollview loads properly,
while clicking iconbutton it gives error.

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

One thing if i put a breakpoint where scrollview is filled it gets loaded from iconbutton also....

Scrollview not filling up from iconbutton click.

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