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how to call another fragment activity?

 
Ranch Hand
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this is my main activity which contain viewpager



this is my MyFragment class




inside MainActivity there is a method respond which comes from Interface.I need to call method of MyFragment2.How to get reference tov MyFragment2 from MainActivity?
 
Rancher
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I generally use the EventBus library for inner-app communication. That's cleaner than keeping references to GUI elements all over the place.
 
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