Is there a way that you can track a user left a comment about your app at Play Store? What I'm looking for is to automatically detect it. I'd like my app to know whether the user actually left a comment or not. Something like a listener, but anyway I can use an external API if needed.
I don't think there's any official API to work with the Play Store.
There are, though, many unofficial APIs out there; This one seems promising, if it's up to date. You can use it to grab all the comments on your app, then use the AccountManager to get the user Google ID, and compare their ID with the commentors IDs to check whether they have left a comment or not.
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I'm working on an Android app where a user must be 18 years or older to apply.
If there will be people under 18, the app would have negative public view which I do not want to deal with.
Is it somehow possible to be sure that my users are older than 17? Is there any service which could possibly accomplish this?
Ideal fictional solution: in my registration form the user writes his/her id number and I would check if he/she is old enough with fictional service.
One not very good solution which I found. There is an app called Muzmatch. It is dating app for Arabs. When the user register he have to use device camera to take picture of himself and send it to server.
I can do the same in my app and check if the user seems old enough but I think it's stupid idea.
Yes this is possible through the Google Play content rating system.
Check out the link: https://support.google.com/googleplay/android-developer/answer/188189?hl=en-GB
Scroll down to the Take your app’s rating questionnaire section and it'll run you through the steps to apply an age rating to your app.
In addition to this, maybe you could create a free in app purchase, that the user will have to buy when first entering the app. They would then need either a password or finger print in order to pay via Google Play.
-i implemented Google Analytics for android
-in Measurement Protocol / SDK / User-ID Policy
google says You will give your end users proper notice about the implementations and features of Google Analytics you use
-is this need to show user?
-which is best way to ask user? like popup first time or any any other way suggest
thanks
If you are really concerned about it, you should consult a lawyer. I'm not a lawyer so take this for what it's worth (the opinion of a random internet stranger who is not a lawyer), but my interpretation would be to include a notice of it wherever I normally include my own Terms of Service (ToS).
Example:
Whatever page or medium where the user can first download the app, if I am able to (e.g. on my own website), I would have my ToS displayed with a checkbox to check before download will begin.
When user installs the app for the first time, I would show same ToS with checkbox for them to accept before proceeding with install or first ever app start
Whenever there is an update to the app, show the same ToS w/ checkbox for them to accept (if the update changes any functionality or adds new tracking, etc..)
I'd also have the ToS listed as a menu item somewhere like in an Info or About section. e.g. a link to it on my website.
It's concern me too. So I googled and found this site and solution was to add something like the following text to your Google Play descriptions:
(This application uses Google Analytics to anonymously track usage data within the application.)
Than you must allow the user to opt out of analytics in the application Settings. And show notice in the app's About dialog when analytics is enabled.
I need to be able to prevent the user from using my app until I allow him. The idea is that the app should be available for download but the user should only see activation screen when he launches it.
Then he has to request an activation key through email and use that key to unlock the app.
Is there a way to achieve something like this in Play Store and is it allowed?
I also don't like this idea but its my client's wish..
Note to moderators: I posted a similar question for the Apple Store but I want to keep both threads separated so please don't consider this as spam.
Google Play does not have such a feature out of the box.
I can however, think of 3 ways you can get it work. I am speaking strictly for the Android platform though.
You can design you app in such a way that the first screen should ask the user to get an Activation Code / Enter an Activation Code.
After the above, you can either store the Activation Code in a Preference File and check the value for its validity and start the application only if it matches / is valid.
Store the Activation Code in a Database and again, check the value and its validity and start the app if it matches / is valid.
Provide a couple of features and integrate Google Play In-app Billing and let the user pay a one-time fee to activate and enable all functions in the app.
These are the things I can think of at the top of my mind. Hope this helps.
No, There's no way to achieve this. You will have to create a functionality within your application.What you can do is make the user enter an activation key, if the activation key is correct make the user go to the next screen else don't let the user.
Thats something you would have to implement in your app. If there is some payment involved in getting the registration key then the solution is clearly against the play store rules.
i use similar system on my application. When user open the app first time. I ask for promotion code if this promoition code is true (i check it from back end service) user can use app for 3 months free. After this period end, app ask user to buy subsciription. You can do it using a backend service with interact a database.
I'm thinking about putting an half-developed app idea up on Indie GoGo (worldwide variant of Kickstarter) but am considering how to handle delivery.
I need to make sure that just the right people can get the app they pledge for, do you know if there's a way to bind certain users to an app so only they can download it? I was thinking of using the e-mail of their Google account since they need one anyway.
I would then upload the same app publicly for a higher price for everybody else once it's done. If this way isn't supported, do you know how other people have solved this?
I guess it will be hard to do. But I have some ideas that you can use:
First of all if you have emails of your subscribers then you can directly send them your app.
If you want to place your application on Google Play then it's more difficult. I hope the following approach can be used. You can create a stub for your application. This stub during the run will check if a user possesses with some purchased item. If he possess then you simply start your application (inside your application you can also put this type of checks to be more difficult to crack your application). If the user does not have this item you propose him to buy it. During this you check if the user is in your list. If he is then you select one price if not then another.
These are just my thoughts. I've never implemented something similar.
I would like to use in-app billing in my android application (instead of creation 2 versions of application - free and pro). If user paid, then additional options in Preferences should be available.
My application synchronizes data with website (not my).
Each time synchronization happens, I would like to check if user paid or not.
How should I do it?
I think the easiest means for you would be to use Managed purchase. More on it is at http://developer.android.com/guide/market/billing/billing_admin.html#billing-purchase-type
The "manage by user account" purchase
type is useful if you are selling
items such as game levels or
application features. These items are
not transient and usually need to be
restored whenever a user reinstalls
your application, wipes the data on
their device, or installs your
application on a new device.
Update: website and API updated refer this now https://developer.android.com/google/play/billing/api.html
There are to many ways to do that, i will try and give you some of the most used
what about user accounts? can your application support users? if it does, its practically solved with 1 user per 1 account. just add a flag to your DB for each user. this is the most secure way, its very easy to know if someone is stealing from you thats why all MMO's (like WOW) use this type of check. you can easily know if theres more then one user on an account as well
the downside is that it requires more processing and some support is case someone's account gets stolen or other user support of that kind.
you can save a sort of key inside your application. and some other key on the server. if the key matches (either 1 to 1 or after some manipulation) then you have yourself a paid user, other you dont.when someone buys the application then change the key on the device.
just do what you dont want to do and have 2 applications for free and paid it will probably be less work then the other 2 list above.
there are many ways of doing what you want. but i'll tell you this:
most applications use method 2 but on the opposite direction, meaning serial key.
i dont think your gonna create an mmo so theres no need for option 1 unless you really dont want anyone hacking your application (which i assume no matter what you do it will be hacked in todays world. i'll advice you to trust those who pay and accept those who dont)
method 3 is just easy in my opinion especialy when you want to just remove menu options, but it also creates duplicate repositories for code.
good luck. what ever you decide is good, make a theft protection, if someone wants to steal it, they will, dont fight it (even PS3 got hacked in the end)