I am using a tab layout in which i have four part.first part showing the list of all visitors and second part showing the list of operators and third part is chat part and fourth part is controlling window.the image is given below
![the image given below in which you can see four part.from first tab data is passing to all tabs and in first tab i am showing the list that is being updated each after 3 seconds new data is being added to the list.how to pass data from first tab to the rest of tab.]