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    Android Dev - App Feedback Thread - December 05, 2020

    December 05, 2020

    Android Dev - App Feedback Thread - December 05, 2020

    App Feedback Thread - December 05, 2020

    Posted: 05 Dec 2020 04:28 AM PST

    This thread is for getting feedback on your own apps.

    Developers:

    • must provide feedback for others
    • must include Play Store, GitHub, or BitBucket link
    • must make top level comment
    • must make effort to respond to questions and feedback from commenters
    • may be open or closed source

    Commenters:

    • must give constructive feedback in replies to top level comments
    • must not include links to other apps

    To cut down on spam, accounts who are too young or do not have enough karma to post will be removed. Please make an effort to contribute to the community before asking for feedback.

    As always, the mod team is only a small group of people, and we rely on the readers to help us maintain this subreddit. Please report any rule breakers. Thank you.

    - Da Mods

    submitted by /u/AutoModerator
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    How does the google play store downloads counter work?

    Posted: 05 Dec 2020 04:49 AM PST

    My first app has had "1K" new users acquired for a few days now, but the play store still says 500+. When does it update? :(

    submitted by /u/that-scenery
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    3 Crucial Concepts of gRPC in Android

    Posted: 05 Dec 2020 06:32 AM PST

    Im stuck in my dream to live as a developper, Im so confused.

    Posted: 05 Dec 2020 05:30 AM PST

    After working 2 years without academic studies related, being self-taught, in the development of mobile applications, Android, now I can not find any work related, as much as I have experience, companies are not without academic studies supporting you.

    ​

    What should I do, continue with the studies from middle grade to university, or forget my dream?

    If some one can help me in this thanks :D

    submitted by /u/Jon_Jairo
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    Migrating Your Design System to Jetpack Compose: Part 1

    Posted: 05 Dec 2020 07:57 AM PST

    Experimenting haptics for mobile games

    Posted: 04 Dec 2020 02:53 PM PST

    How to add Image and text in Sqlite Database and Display it in recyclerView with kotlin

    Posted: 05 Dec 2020 08:12 AM PST

    Open DialogFragment from RecyclerView Adapter.

    Posted: 05 Dec 2020 07:08 AM PST

    I have this RecyclerView Adapter whose parent is a Fragment. When a button is clicked in the RecyclerView, I want to open a dialog containing an EditText. When this dialog is dismissed I need that value from the EditText for my RecyclerView. I feel this should be simple, but I may have read too many confusing solutions.

    I hope you guys are staying safe.

    submitted by /u/d1v3rgent
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    Android Emulator Apple Silicon Preview

    Posted: 04 Dec 2020 12:04 PM PST

    S.O.L.I.D. | Open - Closed Principle feat. Kotlin

    Posted: 04 Dec 2020 10:54 AM PST

    CS Graduate Slowly Transitioning Into Android Development

    Posted: 05 Dec 2020 12:04 AM PST

    I am currently doing the mooc.fi course on Java Basics, I still have a long way before I finish that. Now I know you might argue Kotlin is the default language for Android, but I am convinced that knowing Java makes me understand Android and Kotlin much better, so I don't just want to start learning Kotlin right away. Besides most of the packages are still in Java, so I am going to program in it in one way or the other.

    I also want to improve my UI/UX design skills, I generally either use designs from Dribbble / Behance or get designs from a designer made specifically for my app. The thing I want to learn is how to actually implement UIs in Android Studio, without getting into too much detail. What do I have to learn? XML? Anything else?

    I am not rushing things, I am taking everything slow, so even if your suggestion is a big course I don't mind.

    submitted by /u/iEmerald
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    Crouching Theme, Hidden DI

    Posted: 04 Dec 2020 01:07 PM PST

    I want to build a free, no ads, and simple interval timer, where do I start?

    Posted: 04 Dec 2020 08:19 PM PST

    Hi. I'm interested in picking up app development as a new hobby. Where do I start?

    Just want to build an simple interval timer app. Nothing fancy.

    What language should I learn? What software should I use?

    If this is something I can't post here, please lemme know and I'll delete this post.

    Thanks in advance.

    submitted by /u/olosroma
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    Getting Latitude and Longitude Values, Using the Google Maps API, and Pricing

    Posted: 04 Dec 2020 11:08 PM PST

    Hi. Someone pretty new in Android development here. So I'm trying to develop an app where users at some point need to state their city address by setting a marker in the Google Maps activity on the app. All I need to get is the latitude and longitude values of where they set the marker.

    ​

    1. By getting those values (i.e. latitude and longitude), does that count as one API call?
    2. Is getting these values counted in the USD 200 monthly credit? An FAQ on this page with the question

    "Can I try before buying? What is the Google Maps Platform free $200 monthly credit? "

    says that

    "Note that the Maps Embed API, Maps SDK for Android, and Maps SDK for iOS currently have no usage limits and are free (usage of the API or SDKs is not applied against your $200 monthly credit)."

    So does that mean what I'm trying to do is absolutely free?

    ​

    Sorry if I sound "cheap". I'm still an undergrad and might not afford the service if it exceeds the monthly credit. Also, I'm not residing in the USA and the app will be tested on ~500-800 mobile devices.

    ​

    Thanks for the answers/insights/advice in advance.

    submitted by /u/wronskianmatrix
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    Career Change into Android Dev

    Posted: 04 Dec 2020 10:14 AM PST

    I'm looking to switch careers into Android Development, going down the self-taught path. Are there any resources r/androiddev would recommend?

    Also, is this a pipe dream? Do companies not like to hire self-taught android devs with no CS degree or experience?

    I've currently gone through CS50 (to get a basic understanding of programming), Intro to Java on Udacity, now going through Android Basics on Udacity. Next path will be Advance Android Dev, and also looking at what developer.android.com has to offer. Any other recommendations?

    submitted by /u/eastvenomrebel
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    Admob payment methods

    Posted: 04 Dec 2020 04:57 PM PST

    Will admob no longer be using western union for paying decvelopers?

    submitted by /u/cumul00nimbus
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    Effect of databinding on my app's modularity and testing capability

    Posted: 04 Dec 2020 09:42 AM PST

    I run a personal app in production and have just got to the point where it needs extensive tests as manual testing will be too time consuming. I've just gotten rid of all the findViewbyId() in place of binding variables and moved to MVVM pattern with viewmodels for each view.

    So I do get the benefits of moving to the MVVM patter for testing but I am unsure about databinding. It certainly removes boilerplate code and reduces risk of null pointer exceptions but testing it seems like a daunting task as I will have to import android libraries to test.

    ​

    What are your thoughts about data binding? Is it a bad pattern to follow in the context of testing?

    submitted by /u/m0mrider
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    How do indie devs deal with user fraud and is there any developer protection from Google?

    Posted: 05 Dec 2020 02:13 AM PST

    Every other day I receive a 1 star rating (from India) with some bullshit claim like, "I purchased this app by mistake" or outright lies like "it drains my battery". I usually first check the buyer history to find out that they are not even legible for refund because they have purchased it in the past, cancelled or some other reason.

    Upon responding to their claims and asking for proof of their claims (so I can fix it and refund if need be) they either delete their review or update it to reflect a different opinion.

    They hope to bully us developers with a poor rating so we panic to refund and they continue to do the same to the next app they want to purchase.

    How do you guys deal with this kind of user fraud, and is there any way to flag users so they don't do the same to other developers?

    I am considering pulling my app from the Indian market since it's low revenue but worst customer behaviour.

    TL;DR; Users falsely rating apps to get refunds dishonestly, how to stop them?

    submitted by /u/izakotim
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    RxJava2 : Subscribe to flatten observables inside the stream

    Posted: 04 Dec 2020 11:06 AM PST

    I'm continuing to dive in RxJava2 after my post last week and i succeed to do what i wanted but it doesnt feels right.
    So i'm simply displaying Subject Object in a recyclerView. Subject got positiveVote and negativeVote property.
    As a data layer i got a room Database in wich i store distinctively SubjectEntity and VoteEntity.
    I'm using RxJava to map my entity on my data layer to object in my domain layer: Fetching a list of subjectEntity then transform it to a list of subject with their vote :

    Rx Stream :

    homeViewModel.getPopularsSubjectsRx()
    .flatMap(subjectEntities -> Observable.fromIterable(subjectEntities)
    .concatMap(entity -> Observable.combineLatest(
    getPositiveVote(entity.getId()), getNegativeVote(entity.getId()), Observable.just(entity),
    this::createSubject))
    .toList()
    .toObservable())
    .observeOn(AndroidSchedulers.mainThread())
    .subscribe(this::setupRecyclerView);

    Get my negative vote count in combinelatest (Same function for positiveVote)

    private Observable<Integer> getNegativeVote(long id) {
    return Database.getDatabase(getContext()).subjectVoteDao().getNegativeVotesCountOfSubjectRx(id)
    .take(1);
    }

    Create my subject object with the results of combineLatest

    private Subject createSubject(Integer positiveVote, Integer negativeVote, SubjectEntity entity) {
    Subject s = new Subject(entity.getId(), entity.getName(), entity.getDescription(), entity.getTheme(),
    positiveVote, negativeVote);
    return s;
    }

    Subject s = new Subject(entity.getId(), entity.getName(), entity.getDescription(), entity.getTheme(), positiveVote, negativeVote); return s; }

    All works Fine when i add a new subject to room it refresh my Recyclerview with fresh converted Subject.
    But now i want to go a bit deeper and makes my recyclerview react to when i'm upvoting or downvoting a subject.
    So i'm trying to react to my observable that get the votes and subsribe to them, i'm doing so by subscribing to them in getPositive / getNegative and still returning the first emission for my stream like so :

    private Observable<Integer> getPositiveVote(long id) {
    Database.getDatabase(getContext()).subjectVoteDao().getPositiveVotesCountOfSubjectRxx(id)
    .observeOn(AndroidSchedulers.mainThread())
    .subscribe(new Consumer<Integer>() {
    Override
    public void accept(Integer integer) throws Exception {
    Log.d("RX", "accept: ");
    }
    });
    return Database.getDatabase(getContext()).subjectVoteDao().getPositiveVotesCountOfSubjectRxx(id)
    .take(1);
    }

    It works i can update Recycler when i'm voting but it's surely not the right way to do it

    In short the problem is i dont know how to correctly subscribe to observable created by my Concatmap.
    Should i collect observable that my ConcatMap produce in a list and subscribe to them outside the stream ?
    Should i use doOnNext() to subscribe to the observables in the stream ?
    Or maybe Juste Refetch the list and listen to vote count in another observables ..
    If someone could give me a hint on how to do it the right way it would be really appreciated.
    Thanks

    submitted by /u/Kyzendd
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    I want to make a game like "Hackmud"

    Posted: 04 Dec 2020 11:24 AM PST

    I want to make a mostly text based game with online play like hackmud. What tools would you recommend I use to create a game like this?

    submitted by /u/nightm0de719
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