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I am working on a project both on Android and IOS.
Basicly, user will take photos of an object, place, logo, painting, etc. Store it in the app database. Then when the user takes the photo of the same object again the app will be able to match and confirm that these images are from the same or similiar source.
I checked a lot of APIs, I would rather free software but one time affordable payment will also work. Most of the APIs want to get paid per image count in database or per times the app tried to match images. Plus most of them work with a cloud server where the images are matched in a huge database.
I do not want these, I want a simple matching algorithm that can work offline on mobile devices.
Any help will be appreciated.
I recommend you take a look at OpenCV. A lot of those services you mention are built on top of this or are similar. Since you only want offline mode this should work really well for you, although it will take more work on your end. You might want to start with the object detection tutorial, but there are tons of resources on OpenCV
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Is there any way to get the total number of viewers of an activity in an android app? I searched, but the only thing I found was Google Analytics. but as far as I got, this API only shows the number of install uninstalls and some other features not the one that I want.
Appreciate your answers
From what I understand, you are trying to find how many users have visited an Activity in your app. The Google Analytics does give you that details. You can check the implementation here :
https://developers.google.com/analytics/devguides/collection/android/v4/screens#implementation
This is what you need.
Integrate Flurry Analytics in five minutes to get basic insights into
your users and app performance, or set up advanced analysis of complex
events to get a deep understanding of everything your users are doing.
From initial launch to the top of the charts, Flurry Analytics is free
at any scale and available for iOS, Android, Blackberry, Windows
Phone, and mobile web.
For more info:http://www.flurry.com/solutions/analytics
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Yes, I realize there are more than two million apps in total. I'm looking for an automated approach since manually downloading millions of apps is not feasible. Any ideas or suggestions would be greatly appreciated!
I don't think you will ever use all the apps which are there on app store or google play store. You can choose and download those which you want. There is no such mechanism available in my opinion which will allow you to download bunch of apps together, you must visit the App Store and manually chose to install which app you want.
Despite this is an offtopic question:
I would suggest you to visit the store website, loop somehow through the apps and fire the download-button-click programatically... this should be possible, but you will soon run out of storage on your pc...
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I'm building an app with a friend, and even though we want our app to be free and without any advertising we would like to be able to receive some money from potential donners, how would I do that? is it possible to do it via the google dev app (I want it as simple as possible for the donor) or is the best way paypal?
thanks
The simplest way for the donor is of course to provide Google Play payment options.
The most popular way I've encountered for this kind of setup is to have two applications:
Free,
"Donate", which costs the amount of donation you wish to receive.
An alternative (simpler to manage, but may be less visible to your users depending on how you implement it) is to use In-App-Billing. That way you could just have one application with a "Donate" button.
IMPORTANT: this covers only the technical part of this problem, for the legal part, you'd have to consult a lawyer.
At least some countries impose a tax on donations in those kinds of cases, or require some additional paperwork to fill, so if you're unlucky or your app provides you significant income you could be hit by your tax revenue service (or even the police, if not filling paperwork breaks some criminal laws).
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I want to start with Android applications development.
I'm very familiar with Computer application languages (Mainly Java, C++, C#, C , Assembly, Php, but some more).
I'm here to request reference for online android development courses in video, such as this course.
Any additional Android course in this style, will be welcomed.
thanks in advance.
The best way is to go to this site and select Android link which is this and then select the book you want and copy the whole name of the book and go to google and type
thebookname ext:pdf
this will show the pdfs and download the original file.This will save your money and time because shipping takes time...
and believe me you will find 97% of the books listed on orielly...
and i think the books from oreilly are very good.
and for begining you should download this
I got started with the Android Cookbook, which is, by their byline "A Crowd-sourced Cookbook on Writing Great Android® Apps"
It has several tutorials that are explained quite well - always handy to refer to the Developers Guide or here (SO), just in case something is not clear.
I hope this helps.
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I'm building an app which needs to store moderate-to-large (10-100 GB) amounts of data online.
Does android provide any free service to do this?
The best option I am looking for is database storage. I want to be able to interrogate and insert data.
The second part of my question is about databases. Is it possible to have an online database that will allow multiple interrogation and possibly multiple insertions at the same time?
(of course, by "at the same time", I mean I want to have some synchronized piece of data, an user overwrites it, then after waiting for the first user to release it, the second user overwrites it. This waiting is done in background and no error is generated regarding the still-in-use file.)
Google App Engine probably integrates the best for android as well as gives you 1 gb free and then you can pay for how much you want. Google app-engine will also synchronize your read/write operations for you.
Read more: https://developers.google.com/appengine/docs/java/datastore/