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    Saturday, December 28, 2019

    Home Unlabelled App Feedback Thread - December 28, 2019 Android Dev

    App Feedback Thread - December 28, 2019 Android Dev

    December 28, 2019

    App Feedback Thread - December 28, 2019 Android Dev

    App Feedback Thread - December 28, 2019

    Posted: 28 Dec 2019 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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    Which library or tool did you discover in 2019?

    Posted: 28 Dec 2019 10:48 AM PST

    Which library or tool did you discover this is year that helped your development? Not necessarily launched in 2019.

    The ones I discovered was:

    DB Browser for SQLite - a simple visual tool to create and update SQLite databases. It was very useful along with the new support in Room 2.2 option to create a pre-packaged database.

    Kotlinx Flow - Great substitute for Rx Flowable when using Coroutines.

    Dynamic Delivery - Very useful to create lighter APKs and device based feature.

    submitted by /u/IgorEscodro
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    Introducing Scabbard: Easily visualize Dagger 2 dependency graphs

    Posted: 27 Dec 2019 10:28 PM PST

    Still worth it?

    Posted: 28 Dec 2019 12:38 PM PST

    I have a fairly solid background in developing Android apps, but last time I did that was about a year ago (changed jobs). I had some websites for passive income online, but they require constant maintenance, so I sold them out. I now have a decent bit of money I am ready to invest.

    Is it still worth to publish apps/games on Google play store to get AdMob (or other ad-network) revenue? or is it super saturated? I live in a small country, which is obsessed with gaming, and there is currently not much of a market or competition taking place. I want to buy my own developer account because all the ones I used before didn't belong to me. Is this still worth it? Thinking of using ads to promote the apps in that specific region.

    submitted by /u/montagestudent
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    Android 10, pixel 3 creates a Bluetooth phone call to myself upon connection

    Posted: 28 Dec 2019 02:22 PM PST

    Hi, My pixel 3 starts a Bluetooth call to my own phone number every time it connects to my car. There is no sound, and I don't think its the google assistant since I don't get a response when I say "Hey google". All of my searches either come up with a "me too" thread or uninstall this app that I don't have.

    I thought my car was causing this issue but it does it on my wife's brand new car so I don't think that would be the issue. Does anyone know how I can track down what is initiating this Bluetooth call, or any ideas on how to fix this issue?

    submitted by /u/wdoler
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    Can you upload test apps to the play store?

    Posted: 28 Dec 2019 09:55 AM PST

    If I want to test out a Ci system will 8 be okay to upload a test app to the play store?

    submitted by /u/saintGoku
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    Android 11 exposure: 5-year-old problem finally resolved

    Posted: 28 Dec 2019 03:49 AM PST

    Question: On Firebase Console's "Audiences" screen, does it show all ranges of ages, or only from age of 18 ?

    Posted: 28 Dec 2019 02:56 AM PST

    This is a simple question.

    I had my apps available for all, as they are just tools, but I see just statistics from age of 18:

    https://i.imgur.com/NDHJ8Hi.png

    Is it the real statistics, or Firebase doesn't include those that are below age of 18?

    I ask this because if this is the statistics, I can change the content rating without worrying about harm on downloads, and I might get easy on app review time.

    submitted by /u/AD-LB
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    What is the correct flow to check for biometrics or password with BiometricPrompt?

    Posted: 28 Dec 2019 01:31 AM PST

    BiometricManager has a canAuthenticate method that can return either of 4 flags:

    when (biometricManager.canAuthenticate()) { BiometricManager.BIOMETRIC_SUCCESS -> Log.d("MY_APP_TAG", "App can authenticate using biometrics.") BiometricManager.BIOMETRIC_ERROR_NO_HARDWARE -> Log.e("MY_APP_TAG", "No biometric features available on this device.") BiometricManager.BIOMETRIC_ERROR_HW_UNAVAILABLE -> Log.e("MY_APP_TAG", "Biometric features are currently unavailable.") BiometricManager.BIOMETRIC_ERROR_NONE_ENROLLED -> Log.e("MY_APP_TAG", "The user hasn't associated " + "any biometric credentials with their account.") }

    Now it seems logical to only trigger the BiometricPrompt if the result of that call is BIOMETRIC_SUCCESS and otherwise fall back to a different authentication method (i.e. app-specific password). But if you set setDeviceCredentialAllowed(true) on the BiometricPrompt, it can still activate the password input even if the canAuthenticate check does not return BIOMETRIC_SUCCESS (I think in this case it's BIOMETRIC_ERROR_NONE_ENROLLED).

    Is someone here that uses BiometricPrompt in his app and can tell me what kinds of checks he has in place and what kinds of authentication options he shows to his user in which scenario?

    submitted by /u/Fr4nkWh1te
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    What's better to learn when starting Android development: Kotlin or Java?

    Posted: 28 Dec 2019 01:04 AM PST

    New to Android development. I have recently created a webapp using RoR and now I want to recreate it for Android devices. When visiting the Android Developers website, it gives you two options to start out with Android, either Kotlin or Java. From what I've read, Kotlin was specifically made by Google for Android development, but I've heard some people mention that Java is easier to learn. I should mention that I'm only experienced in Ruby and Python as programming languages. So what would be easier for me to start out with/what would you recommend? TIA

    submitted by /u/Particularly_lame
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