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I am in the process of developing an android application for live score and statistics. Assume that I have an XML feed which updates every second and the file size is around 400KB. But I need only specific content from the XML file. Polling the XML file at regular interval and parsing it seems to be time consuming task.
What is the best method to implement a live score application?
Will it be a good idea to implement a web service that polls only the required part of the XML feed and respond the client with the parsed data?
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I'm a beginner in android atudio, I recently make my first app, I put in many raw resources file(txt,mp3) that is why it's size is big (~200Mo).
I want to allow user to download what he need in order to benefit my service like listen to mp3 read text.
You should carefully consider why you need this much data in your app, remove all unnecessary parts and put everything you really need into the .apk as resource.
If I find some app is downloading 200MB to my phone, I'll uninstall that immediately.
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I'm currently developing an application which should share the location of multiple clients live. It is important that the locations are always up to date. I would like to ask what's the best way of doing so with keeping performance in mind. I currently only have a web services in mind which handles the locations and the client fetches the data every X seconds from the server or live updates with firebase.
I'm strongly recommend to use synchronized DB, such as coutchDB/PouchDB or similar, in that why the DB framework will be responsible to sync all clients without the need to handle each client separately.
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Is there a way to count how many users currently installed my app on their phone , then show the result for example in a text View ?
According to this answer there is an open source called Andlytics Project which will enable you to reach your goal, also you can view this library called segment which as they said it enables you to :
Collect customer data with one API and send it to hundreds of tools
for analytics, marketing, and data warehousing.
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I want to download telugu news paper from my application and after download that one i have read in off line mode that one. how to implement that one please help me.
Thanku
You need to find websites that provide free RSS feeds for Telgu news.
Then you need to write a parser of your choice in your app for parsing data from those RSS feeds.
Save the parsed data in a File and save it on your device(Internal/SD Card).
Also there will be images associated with the news item, so also save them.
Implement your UI as you like.
Finally render your news items from your device i.e. in Offline mode.
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In my Android app, I have to display 10 imageButton in the User Interface each time the user selects an option. My question is:
Is it okay to create the UI while developing the app itself and add it to the layout folder or to create and add the imageviews to the View at the run time?
The main issue I am considering is performance? Which will give a better performance.
If you want to optimize performance, it's better to use XML and Java. If you're displaying 10 buttons wouldn't using XML be the easiest way to format them anyway?