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I want to develop an android app which will be help a shop owner can input his daily sales expense, employee history, product setting and it show day to day or monthly profit. when he use this app no need to connect internet connectivity. data all are store in sd card but if he want in internet connectivity state he can save data in dropbox. So as like a financial app when I build this which program I need to know like java, xml ?? there are need any database program ??? I am a new Apps Developer.
You would need a good understanding of Android fundamentals, XML layouts and SQLite db. Android training is a great place to start. A good sample app to start with all the DB stuffs comes with the SDK installation. Path is: \samples\android-17\NotePad
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I need to have an android app that can read and write to an online database, and a windows pc app that can do the same. Basically I want to view/modify a set of data from the database from both my mobile and pc.
I considered using firebase as the online database for my android app, but I don't know if can query the data from my windows pc, if say I am using Qt to program a windows app.
Please help !
Even it's a broad question a quick answer would be yes, you can query the data from your Windows pc. There is an interesting articole written a few moths ago named Firebase Database REST API for QT.
Take a look a this post for a better understanding.
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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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I am working on an android application for my institute. I have to connect my app to the existing database of the college, although there is no API written. When I contacted the administration for help then they only handed me a SQL connection string and told me to write the API myself. I want to focus on the application only. Is there any way I can skip the API writing and still connect to the database easily and quickly??
As per my knowledge you cannot access database without using API. You can create your own database in SQLite but it will be local (offline) database.
One more thing, you can migrate database from one platform to another, but you will need an API to access data.
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I want to get statistics such as the number of the installed apps and the number of active installs in a day.
How can I get the unique information of each mobile device?
When I have this unique information I can save it in MySql db with php and show statistics.
thanks all,I mean unique information Like UUID of Android phone
Most of the data you're looking for is provided by the Google Play service. Once you upload your APK, you'll start getting statistics on your app.
If you need more granular data, look into 'Flurry'. It's free, easy to set up, and quite powerful.
You can use this framework to track app statistics across various platforms:
http://www.distimo.com/
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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.