How to replace the touchscreen to click on a button on an Android app app

============ Problem Description ============

Heroes, Ben does not understand Android, ask a solution can be achieved:
An already released app, this app has a button when it goes in, the normal situation is we click this button by hand, will trigger this button event;
Now I want to develop an Android app to use this app to trigger the button on the app, can it be implemented?

============ Solution 1============

You want to trigger the button event, first you have to get the object of this button first

============ Solution 2============

can achieve ah, analog click, you can see my blog

How to replace the touchscreen to click on a button on an Android app app