title: How to open Whats app application from my application on click of button and code to put the value on search contact bar of whats app application
body: <p>In Whats app Application having a search contact bar in the top of the application ,in my application there is one search button and text box with text "ayush",when i am clicking On search button of  my application  want to open whats app and want to showing the same value("ayush") on search bar of whats app application.</p>