The server stopped working, what should I do?

Question

Django

Watching for file changes with StatReloader
Exception in thread django-main-thread:
Traceback (most recent call last):
File "C:\Users\artyr\AppData\Local\Programs\Python\Python39\lib\threading.py", line 973, in _bootstrap_inner
self.run()
File "C:\Users\artyr\AppData\Local\Programs\Python\Python39\lib\threading.py", line 910, in run
self._target(*self._args, * *self._kwargs)
File "C:\Users\artyr\AppData\Local\Programs\Python\Python39\lib\site-packages\django\utils\autoreload.py", line 64, in wrapper
fn(*args, * *kwargs)
File "C:\Users\artyr\AppData\Local\Programs\Python\Python39\lib\site-packages\django\core\management\commands\runserver.py", line 110, in inner_run
autoreload.raise_last_exception()
File "C:\Users\artyr\AppData\Local\Programs\Python\Python39\lib\site-packages\django\utils\autoreload.py", line 87, in raise_last_exception
raise _exception[1]
File "C:\Users\artyr\AppData\Local\Programs\Python\Python39\lib\site-packages\django\core\management\__init__.py", line 375, in execute
autoreload.check_errors(django.setup)()
File "C:\Users\artyr\AppData\Local\Programs\Python\Python39\lib\site-packages\django\utils\autoreload.py", line 64, in wrapper
fn(*args, **kwargs)
File " C:\Users\artyr\AppData\Local\Programs\Python\Python39\lib\site-packages\django\__init__.py", line 24, in setup
apps.populate(settings.INSTALLED_APPS)
File "C:\Users\artyr\AppData\Local\Programs\Python\Python39\lib\site-packages\django\apps\registry.py", line 91, in populate
app_config = AppConfig.create(entry)
File "C :\Users\artyr\AppData\Local\Programs\Python\Python39\lib\site-packages\django\apps\config.py", line 224, in create
import_module(entry)
File "C:\Users\artyr\AppData \Local\Programs\Python\Python39\lib\importlib\__init__.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "", line 1030, in _gcd_import
File "" , line 1007, in _find_and_load
File "", line 972, in _find_and_load_unlocked
File "", line 228,in _call_with_frames_removed
File "", line 1030, in _gcd_import
File "", line 1007, in _find_and_load
File "", line 972, in _find_and_load_unlocked
File "", line 228, in _call_with_frames_removed
File "", line 1030, in _gcd_import
File "", line 1007, in _find_and_load
File "", line 984, in _find_and_load_unlocked
ModuleNotFoundError: No module named 'grappellidjango'

Answer 1

You have the module name incorrectly written in INSTALLED_APPS, which is clearly indicated by the error.

Answer 2

startandroid.ru for starters, what you need, although note ...
idev.by is not so systematic, but in some places it is interesting
, just a chic blog, not only for android
vogella is one of the best resources I know

Answer 3

1. Come up with a simple application
2. Install Android Studio
3. Create a project.
4. You write an application, search Google for answers to the right questions, learn Java in the process, learn the kung fu of Android development
5. Profit!

Answer 4

Make it on build.phonegap.

Answer 5

Programming for Android.
The second edition
O'reilly
ZY - Personally, I had enough of this book in the first edition and a few hours to read Google's documentation.

Answer 6

I highly recommend using IntelliJ Idea for this (the free Community Edition is enough). Step by step video tutorial here .

Answer 7

developer.android.com/intl/ru/training/index.html - google documentation and examples. Lots of information and easy to understand what to do and how to do it.
or book
www.ozon.ru/context/detail/id/21469100
original book
www.amazon.com/dp/1118102274/?tag=stackoverfl08-20

Answer 8

Regarding the storage of the database - if it is something simple and uncomplicated, you can get by with at least ordinary text files. If you need a database, I recommend looking towards realm.io or Sugar ORM, which works with native SQLite. As for the rest, everyone has already answered well.