How to storing data in my own application

I would like to build some simple application - for example Todo list - and I am thinking about the problem and its solving - how can I to store data in my own applic开发者_如何学Cation on Android platform?

I should to use some text file, xml file or some database? What will be better for beginner on this field?

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You'll have a VERY hard time getting anywhere with Android if you don't read through their website/dev resources. I would highly recommend visiting their site.

As far as data storage is concerned, that varies based on your need. Explained here

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My suggestion is to use SQLite that comes with Android. http://developer.android.com/reference/android/database/sqlite/SQLiteDatabase.html

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In my opinion, a SQLite database seems most appropriate for this kind of application. There is lots of support for using the SQLite database in conjuction with ListViews (which I imagine you'd want to use in your to-do list app).

In case you haven't already checked it out, see the page on the developer site: http://developer.android.com/guide/topics/data/data-storage.html#db

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Theres a few ways you can store data. I've created a few applications thats store data using shared preferences

They're quite handy for storing strings, ints, bool values etc. However if you have a large scaled application, that requires better database management, I would look into sqlLite.

Android has supported classes and functions to help access/store the information.

Theres a good tutorial on the android site called notepad that takes you through how to use sqlite.

That should get you started :)

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Look at this Thread klick

Edit: its cool for less data, if you want to store and browse lots of data, you should use as SQLite Database

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Using a file, database or xml based depends entirely on what kind of application you are building. For eg: If you parse an XML feed and store the results back in an XML file - it totally defeats the storage purpose!

Databases are used to store structured and related content like - news feed results, email client data, etc.

Files are more used for storing raw / binary content like storing images, attachments, etc.

BTW, if you are a beginner - you should try all of them! :)

Hope this helps!