android - Robotium: How to keey the soft keyboard alive after input finished?

Question

This is my scenario: 1. click the edittext view 2. input something to the EditText view 3. this time, the soft keyboard should be showed 4. Click some other view while the soft keyboard is keep showing

In my environment, after the input finished, the soft keyboard hide immediately so, is there any method to keep the soft keyboard alive in my scenario?

thanks!