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I am developing my first android application. This app is dictionary and uses local SQLite database. Sometimes this database will be updated by me. So I need to use server for place new database version files. My application will download new database files and will replace old data on local places. One way is to use webhosting for these purposes. But I want ask experts if are there other better options? Perhaps does google play store offer some opportunity for updating database files?
If the database is really an offline database and the updates don't occur that often, consider bundling the database with your app. When you need to update the database, just update your app. Google Play will host your updated application packages so there's no need for any additional backend infrastructure.
For bundling a database with the app, consider jgilfelt/android-sqlite-asset-helper library.
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I am using KeePass v2 and I am a bit confused about synchronizing the kbdx file on google drive. There seems to be two ways and not sure what the advantages/disadvantages are between them.
Using the KPGoogleSync plugin
Store the kdbx on the Google sync folder (C:\users\xxx\Google Drive)
It doesn't seem that either one can detect changes that were made by a mobile device and automatically load them in. Both methods seem to require open and closing of the database in order to get the most recent changes done externally. The plugin does seem to have a menu based way of performing the update as well.
So what benefit would there be to use one versus the other that I am missing? I am most worried about the sync process and losing data between desktop and mobile device. Is one preferred over the other?
The sync plugin can handle simultaneous changes on both sides of the sync.
It merges the databases when syncing by knowing the structure and change dates of each entry in the key database.
Using the external sync tool, this merge is not possibly since the tool can not know the structure and the encyrption key of the database.
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Hey guys I'm working on an Android App with Android Studio and I need a database like mlab(mongoDB). But Android doesn't support mlab. I can't just use SQLite because my data has to be saved also when my application is not running.
For example if my user signs in, their profile photo and other information should be saved in the database and I also want to code something like a friend request which also should be saved in the database.
I googled so much but I didn't find a good solution.
I hope someone can help me.
You asking about two separate things. mLab is a Database as a Service which uses MongoDB, while SqLite is just a database.
You can save data while your application is not being used with either option, simply look into background Services and other parts of the Android API that allow background tasks.
If you want to save data to a database that is not on the device, you'll need to look into the documentation of the service to determine the best way to interact with your database. In the case of mLab, they allow both custom drivers and a REST API for interacting with your database.
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everyone.
I making an App.
But when i connect to external DB problem occurred.
So I looked for a way to connect to mysql.
But, all post was explain only use a web servies.
How to connect MySql without web servies?
I don't know if connecting directly to MySQL DB is safe. if you want to use a local SQL database, you may consider using SQLite.
Read this. you can add your sqlite database file to the assets folder in your application project and then extend and implement SQLiteOpenHelper to perform CRUD operations in your database.
You may also want to take a look at this as well. retrieving data using PHP sever is more secure.
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i created an Android application but to use it properly , I need to get the objects informations from a database .There are some SQLITE definitions but as far as i see , SQLITE is related to the device which already uploaded my app. But my intention is to send informations from just a server to the all devices. The app needs to get the objects informations from the database which will be in my computer as a server , Do you know how can i handle this ? For example if I download MySQL and create a row which is like ;
Product A: 20
Product B: 0
can i get these to the app and so the app make calculations thanks to these informations?
Please let me know if i wasn't clear about my problem
I used Couchbase for database needs. It is NOSQL. You use JSON objects instead of rows. It is super quick though.
http://www.couchbase.com/communities/couchbase-lite
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i want to read Android database file from asp.net.
First i want to directly browse it locally
then want to just read data from it and display it in Grid view.
So how can i do that ???
Those *.db are just dtandard SQLite datases, which is a simple open source Database, there are libraries avilable for use with C# in .Net, see this question for examples: How to create asp.net web application using sqlite
Android uses SQLite and its *.db files are regular SQLite database files. I am not familiar with asp.net but if you can use SQLite with it, then you can look for a way to use it with own db file. Mind, however, that you will not be able to get the SQLite database file from regular android device (unless it is rooted or you deal with emulator)