touch_with_retry.rb

# Try to tap the screen until view open on screen
# x:: starting x value
# y:: starting y value
# x_delta:: Value to change in x direction
# y_delta:: Value to change in y direction
# query:: query to wait for the view
# number_of_tries:: number of tries
def touch_element_by_moving(x, y, x_delta, y_delta, query, number_of_tries=5)
  i = 0
  begin
    performAction('touch_coordinate', x, y)
    wait_for_elements_exist([query], {:timeout => 3})
    wait_for_loading_spinner_disappear
    sleep(STEP_PAUSE)
    return true
  rescue
    x, y, i = x+x_delta, y+y_delta, i+1
    retry if i <= number_of_tries
  end
  return false
end

# And call this function, to tap the link

element = query("TextView id:'register_footer'").first
x = element['rect']['x']
y = element['rect']['y']
screenshot_and_raise('terms and condition link not touched') unless touch_element_by_moving(x, y, -20, 0,"webView css:'*'",5)

# You can start x and y from the beginning or from the middle ( element['rect']['center_x'], element['rect']['center_y'] based on link located on TextView.