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I'm going to make a stamp board. If I enter a specific password, it will be stamped in a specific area corresponding to that password. I think this app. need a DB to remember that a certain area has been stamped. I think I can choose Internal Storage or Shared Preference to implement this function. Which is easier and suitable for the features I want to create?
I think according to your need the mysql will be the best choice because generally, shared preference in used to store small value like username, passwords or some constants.Whereas the sql is a proper database with queries to help you get data from your stomp board.
One more database is realm database which is based of sql only and is much better and faster.hope it helps
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I was designing the classified app in android which takes the data from the db hosted at run time. I have designed it and it is working fine but it is very slow as application has to fetch the data from the server and which take much time. I want to reduce the time by some way that user get the data immediate and also can get the data offline with out internet.
Can any one suggest me the best way for store the data in the mobile app or any other way?
can i create a xml and store it on user mobile?
Please let me know.
thanks in advance.
itin
One way is to do this by ContentProvider.
Another way is to use a framework like ORMLite, an Object Relational Mapping.
In my opinion you have two good methods . Fist one ;use store procedures ,triggers and functions to get data from database .Second method get data by using service like json do not use xml(soap).
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I'm creating a website with an according app for iOS/Android and I'm doing some research for how I should do everything. I need to be able to post data from the different platforms and I want to access the same data from every platform, kind of like a wall where ypu can write stuff. I'm thinking that the data needs to be stored in a database but how do I access i.e. an SQL database from iOS/Android?
A simple research would've brought you a great tutorial on how to link a MySQL database through PHP to an Android app.
You'll be required the basics of PHP though so you may want to study a bit about that prior to starting.
Take a look at parse.com. This likely provides what you need without having to set up server with a database, etc. You can access your data on parse.com from iOS, Android, your web site, and a number of other platforms should you need to.
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To put a lot of searchable text in a software, what would be the best method, database or File-Handling system? Keeping in mind that the text is an Asian language with right-to-left orientation. Platform is Windows and Android.
Database is the better option. It has structured format of all your stored datas. Database allows you to fire queries and search for a particular text you want. You can store and fetch data very easily and with good performance speed. You can also delete any unwanted texts which is easy part.
Now incase of File, It is unstructured format kind of data. All your data gets stored below one another in line by line or. Fetching a particular word from bunch of whole paragraph is tedious job. Even You need to hold whole file's object all the time, which occupies more memory.
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I'm quiet new to databases and SQLlite in general so I'm sure there's probably an easier way to do this but...
1) How can I store a database online so it is accessable by multiple devices? If this isn't clear, an example of what I'm trying to do can be seen on the Android app "whatsapp". When you update your status(i.e. set it as available or busy), it show's on everyone's device.
2) if this is too complicated to explain on here, can you recommend a tutorial series?
Thanks
Yes you can store your data on your online database but first learn about webservices and how it works. As for tutorial I think this one can give you an idea on how it will work:
http://www.androidhive.info/2012/01/android-login-and-registration-with-php-mysql-and-sqlite/
Also take note that SQLite database are stored locally on your device. :)
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I would like to have a database of items stored on the user's phone. I currently have everything set up using WebView pointed at my domain, but obviously this isn't ideal if the user is in a low-signal location.
If possible I would also like to be able to search the list for multiple words.
Any pointers to tutorials etc would be ideal.
In Android you'll want to use SQLite databases, here are some places from where I learned my way with databases in Android:
Start here:
http://www.codeproject.com/Articles/119293/Using-SQLite-Database-with-Android
Or here if you want to use an existing database:
http://www.reigndesign.com/blog/using-your-own-sqlite-database-in-android-applications/
If you decide on XML, though, you might want to read this instead:
http://www.anddev.org/parsing_xml_from_the_net_-_using_the_saxparser-t353.html
http://www.androidpeople.com/android-xml-parsing-tutorial-using-saxparser
Here you have a tutorial involving both methods, downloading data in XML format, parsing it and storing the information on a database, probably the guide you want to read if you're starting with Android, since it covers pretty much what you are trying to achieve, probably :P
http://mobile.tutsplus.com/tutorials/android/android-fundamentals-downloading-data-with-services/