String s = getJSONFile();
    String myDataArray[] = {};

    try{
        JSONObject reportJSON = new JSONObject();
        JSONArray dateJSON = reportJSON.getJSONArray("terrestrial_date");

        myDataArray = new String[dateJSON.length()];
        for (int i = 0; i <dateJSON.length(); i++){
            JSONObject jsonObject = dateJSON.getJSONObject(i);
            myDataArray[i] = jsonObject.getString("terrestrial_date");
        }
}catch (JSONException e){
        e.printStackTrace();
    }

    ArrayAdapter<String> stringAdapter = new ArrayAdapter<String>(getApplicationContext(), R.layout.row, myDataArray);
    if (mListView != null){
        mListView.setAdapter(stringAdapter);
    }