Cannot find element using UIAUTOMATORVIEWER, APPIUM and PYTHON

[Karthik_4]

I am trying to write a python code to verify for the presence of .mp3 and corresponding .json file in the dropbox.

dropboxmp3txt = self.driver.find_element_by_xpath('//android.widget.ListView/android.view.View/android.widget.TextView[contains(@index, "1")]')
print dropboxmp3txt.text

This gives me the output :

abc2016-05-05, 10.38.26.mp3 Which is perfectly fine!!!

I need the similar xpath to find the .json text. The one which is below the .mp3 , in the figure.

I tried doing :

dropboxmp3txt = self.driver.find_element_by_xpath('//android.widget.ListView/android.view.View[0]/android.widget.TextView[contains(@index, "1")]')
print dropboxmp3txt.text
dropboxjsontxt = self.driver.find_element_by_xpath('//android.widget.ListView/android.view.View[1]/android.widget.TextView[contains(@index, "1")]')
print dropboxjsontxt.text

But, that gave me an error :

Traceback (most recent call last):
  File "dropboxshare.py", line 136, in test_1_view_checkbox
    dropboxtxt = self.driver.find_element_by_xpath('//android.widget.ListView/android.view.View[0]/android.widget.TextView[contains(@index, "1")]')
  File "/usr/local/lib/python2.7/dist-packages/selenium/webdriver/remote/webdriver.py", line 258, in find_element_by_xpath
    return self.find_element(by=By.XPATH, value=xpath)
  File "/usr/local/lib/python2.7/dist-packages/selenium/webdriver/remote/webdriver.py", line 712, in find_element
    {'using': by, 'value': value})['value']
  File "/usr/local/lib/python2.7/dist-packages/selenium/webdriver/remote/webdriver.py", line 201, in execute
    self.error_handler.check_response(response)
  File "/usr/local/lib/python2.7/dist-packages/appium/webdriver/errorhandler.py", line 29, in check_response
    raise wde
NoSuchElementException: Message: An element could not be located on the page using the given search parameters.

There is no ID specified for the 2 texts.. Only thing that is unique in both is the extension (.mp3 and .json)..

How can I retrieve these 2 texts ??
The texts
abc2016-05-5,10.38.26.mp3
and
abc2016-05-5,10.38.26.json
I can't enter directly..
like:
xpath("//android.widget.ListView/android.view.View/android.widget.TextView[@index='1' and @text='abc2016-05-05, 10.38.26.mp3' ]")
xpath("//android.widget.ListView/android.view.View/android.widget.TextView[@index='1' and @text='abc2016-05-05, 10.38.26.json' ]")

Because, some other .mp3 and .json might come during the next run and occupy those place..
It changes during runtime.. I need to know what text is present in that location first.
How can I retrieve it..
ANY IDEA ???