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    Thursday, January 14, 2021

    [AMA] Bedtime Digital Games devs here, we just launched Figment on Google Play! Android Dev

    [AMA] Bedtime Digital Games devs here, we just launched Figment on Google Play! Android Dev


    [AMA] Bedtime Digital Games devs here, we just launched Figment on Google Play!

    Posted: 14 Jan 2021 06:07 AM PST

    Hello r/androiddev!

    Today we launched our latest game, Figment, on Google Play. In celebration, we'll be hanging out to answer any questions you might have about the development, the game, us or any other random stuff!

    Here are the people that will be answering questions:

    submitted by /u/BedtimeDigitalGames
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    Google Play Console issue: An unexpected error has occurred. Please try again. (4A3C9E78)

    Posted: 14 Jan 2021 07:26 AM PST

    Hello everyone, I'm trying to submit an app today and I keep getting this issue every time i press "Review Release". No matter if is for production, testing or whatever.

    An unexpected error has occurred. Please try again. (4A3C9E78) <--- this code changes every time.

    Did any of you try and submit a new app or update today? I'm losing it after 2 hours. Tried different browsers, incognito mode, apk instead of app bundle, nothing solves it.

    submitted by /u/luix93
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    Doing some English to French translations on small apps for free

    Posted: 14 Jan 2021 04:45 AM PST

    Hey guys,

    I have some time to spare, business is very slow.

    I'm offering some free work for small businesses or freelancers, so do not hesitate to ask!

    submitted by /u/Trukmuch1
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    My team doesn't agree on to use DataBinding or not. So we decide for it, it's up to dev to choose. How about your team?

    Posted: 14 Jan 2021 06:18 AM PST

    As the title, my Android team has a long discussion about DataBinding.

    - I prefer keep using ViewBinding for its simplicity, build speed. Although DataBinding is powerful, but write logic inside XML is not my favorite code style. I choose write Java/Kotlin code to update code manually.

    - Other guy loves Data Binding because it is powerful & helps us to write less code.

    We cannot convince each others, thus finally let the devs in team free to choose any approach they likes, and will review it next quarter.

    I wonder in your team, do you force to use DataBinding, or let devs free to choose whatever they like?

    submitted by /u/anticafe
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    My First Medium Article on how to create and publish Android Library locally

    Posted: 14 Jan 2021 10:46 AM PST

    Published my first ever article in two parts, after a month's effort it was possible. It's about creating a working Http networking library and publishing it on your local machine. Maybe you will find it exciting!

    https://ay3524.medium.com/build-a-simple-networking-library-in-android-part-1-3ec67a515a8e

    https://ay3524.medium.com/build-a-simple-networking-library-in-android-part-2-372db85e118e

    submitted by /u/ay3524
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    All my competition is offering rewards in exchange for reviews in their apps

    Posted: 14 Jan 2021 06:11 AM PST

    Hello,

    I have noticed that most of the apps that are the competition of my app are getting reviews by offering rewards and unlocks in exchange within the app.

    Is this allowed? If not, how can I report it?

    It's hard to compete against this :(

    submitted by /u/guillemena
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    The best way to integrate WebRTC into an Android Application?

    Posted: 14 Jan 2021 12:00 AM PST

    Since Google's discontinuation of distribution of precompiled SDK of WebRTC (as described in this article), I've been looking into including the SDK directly in my application instead.

    The article states:

    Plan and aim for 2-4 upgrades a year of your libwebrtc SDK in your mobile application. Any less and you're in danger of breaking interoperability with Chrome or at the very least missing out on optimizations, improvements and new features

    However, the production/distribution cycle of the application does not allow for periodic updates as suggested in the quote. What I'm worried about is specifically the mention of "breaking interoperability with Chrome" - which means that either:

    1. Certain fundamental elements from the chromium framework already present on the device are being used, meaning that if the device's chromium gets updated, the WebRTC SDK used in my application might seize to work properly
    2. The chromium used by the WebRTC SDK is distributed inside of the SDK itself separately and therefore changes to the device's components will not affect the functionality

    A clue I might have found in this article states that:

    The checkout size is large due the use of the Chromium build toolchain and many dependencies

    Which to me sounds as if the second answer to my question is the correct one.

    I am inclined as to whether anyone has some experience with how these SDKs work and what course of action should I take going forward.

    submitted by /u/DanDayneZ
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    Same android app bundle package, same device but different download size

    Posted: 14 Jan 2021 03:51 PM PST

    Hi,
    I'm upload the same aab package on Test Internal Track and on Internal App Sharing. And the result is soo strange:
    from the test internal app the download size is 44mb
    from the internal app sharing the download size is 75mb

    I would has expected the same download size.

    submitted by /u/aeroxr1
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    may be requesting background location data?

    Posted: 14 Jan 2021 11:32 AM PST

    Google Play sent me a letter:

    Issue with your apps
    We found that at least one of your apps may be requesting background location data.

    My app does not request ACCESS_BACKGROUND_LOCATION permission and it targets API 29. What does may be requesting mean? Where does this suspicion come from?

    One possible explanation could be that the app uses some 3rd party SDK that checks the app permissions and reports which location permissions have been granted, and among others, it includes

    if (checkSelfPermission(context, Manifest.permission.ACCESS_BACKGROUND_LOCATION) == PackageManager.PERMISSION_GRANTED) …

    Or, maybe some older version of the app that targets API 21, is still considered to be active on Play Store, because it has minSdkVersion 16 (the latest version supports API 24 and higher). Such old version declares location permission in Manifest, and if the app Analyzer does not understand that Play Store will never deliver it to devices with API 24 and higher, it may be afraid that it will be installed on an Android 10 device which automatically grants ACCESS_BACKGROUND_LOCATION for apps with targetSdk below 29.

    At any rate, how am I supposed to fix this? Google says I must get an approval by March 29, 2021, otherwise the app will be removed from Google Play.

    submitted by /u/alexcohn
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    Opt in for Wear OS in Play Console

    Posted: 14 Jan 2021 02:55 PM PST

    Hey all,

    I am currently developing a watch face for Wear OS but sadly I have a problem. How to opt in for Wear OS ? I created an app in the play console, uploaded screenshots, added a description and uploaded an .aab. In the list of available devices I see round about 50 devices so everything seems good. But next to each device under status I see "not opted in". I also read the "opt in for Wear OS guide" [guide](https://developer.android.com/distribute/best-practices/launch/distribute-wear) but I can't find the "pricing and distribution" page and also not the checkbox. What am I doing wrong ?

    Thanks in advance

    Thomas

    submitted by /u/perryrh0dan
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    Tried writing a basic Android Library recently. What do you guys think?

    Posted: 14 Jan 2021 01:49 PM PST

    Good day y'all. I started learning some Android development recently and wrote a simple library called GetPerms. It can be used to show you all the permissions an installed app on your phone requests, the ones you grant, can get a list of apps requesting one kind of permission and a lot more!

    https://github.com/4f77616973/GetPerms

    Do check it out. I included a demo APK too.

    Criticism is much appreciated!

    submitted by /u/0x4f0x770x610x690x73
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    What happened to the 'Early Access' section Play Store App?

    Posted: 13 Jan 2021 11:33 PM PST

    In my Play Store app, under Apps, there was a tab called 'Early Access' along with other tabs like 'Top charts', 'Family' etc. But it is no longer there. Does anyone have an idea on why it is gone?

    submitted by /u/revsiblean
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    Current trends for a nice UI/UX

    Posted: 14 Jan 2021 12:12 PM PST

    I'm interested in some of the trends currently out there for building a nice modern UI for an application.

    Although I've never given in much work into UI, but rather focused on code architecture, I'm familiar with material design.

    I'd like you to recommend some conventions, 3rd party libraries or something else that will help me achieve build better UI/UX.

    Also, I'd like your opinion on what should one application satisfy to be categorized under modern designed application?

    submitted by /u/mister_Gauss
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    Developers don’t just like Kotlin, they LOVE it!

    Posted: 14 Jan 2021 05:57 AM PST

    Tutorial/help building library

    Posted: 14 Jan 2021 10:13 AM PST

    Probably You have seen some tutorials like "You can swipe here", "... can click here and there" when starting Android device or some apps on the first time. I'm not sure how it's called?

    I changed the layout of my app and want to build something similar (show how to use new layout, where menus will open etc). Probably some simple overlay with arrows, icons and description. Is there any library for that?

    submitted by /u/__andres__
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    Re: Avoid backing properties for LiveData and StateFlow

    Posted: 14 Jan 2021 12:39 AM PST

    OnboardingSupportFrament vs. Custom onboarding

    Posted: 14 Jan 2021 04:45 AM PST

    I am currently working on adding an onboarding message to my app so new users can have an easier time understanding how to start. I found android's OnboardingSupportFragment, but aftering trying to implement it and failing I decided that I would just make my own custom dialog. Has anyone used OnboardingSupportFragment? And if so, do you have an example of its usage?

    submitted by /u/shinygeodavid
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    Android TV app - possible to use only default UI component?

    Posted: 14 Jan 2021 07:50 AM PST

    Sorry I am not developer and this question maybe silly...

    Would like to know is it possible to use default UI component of android TV to develop a video app? any video app is using only default components?

    Thanks a lot...

    submitted by /u/janhknotcn
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    Joining Google Developers Experts program

    Posted: 14 Jan 2021 07:48 AM PST

    Best way to view different settings screens?

    Posted: 14 Jan 2021 07:03 AM PST

    I work on an app that gathers travel traces for users, especially when they're not actively engaged with their phones. I put in some high-level checking to see if location services are on for the phone, allowed for the app, allowed in background mode, in high accuracy mode, etc. It's now time to do a couple of things - I want to tailor the messages about what settings need to change to what the user sees (by Android version, manufacturer, carrier?, ...?), and to be able to explore settings when things go wrong - things like 'battery saving' have caused trouble, and I'm sure there'll be others...

    I know there are services with emulators, but I doubt those would have options for manufacturer, etc. - good assumption?

    The other option I was thinking about were testing services that use actual devices, but I wasn't sure if I'd get access to the settings screens through those.

    Anyone have experience with this, and recommendations?

    submitted by /u/headlights
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    Building an app for my rPi meteo station.

    Posted: 14 Jan 2021 12:55 AM PST

    To begin with, I am an absolute novice and have no prior knowledge to the topic of Android developing. The only thing I want to ask you, the experienced ones: Would it be posible to build an Android app from scratch (preferably with Python) for my raspberry pi powered meteo station? To be more precise: I would like to have my app on the Play Store and all it would offer is the data from my sensors on the raspberry pi meteo station. Is this legally and technically possible?

    Thank you and sorry if this is a stupid or inappropriate question.

    submitted by /u/IsthisplaceOccupied
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    Why does Signal use Java and not Kotlin for it's android mobile app?

    Posted: 14 Jan 2021 02:59 AM PST

    I've been reading a lot of good things about Kotlin for native android development and how developers prefer it over Java so I have to ask. Is there a security reason as to why Signal uses Java, or is it just preference?

    submitted by /u/codingXXX
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    Can anyone suggest a good resource or tutorial to learn and understand MVVM from scratch

    Posted: 14 Jan 2021 01:12 AM PST

    I made FLAPPY BIRD, but with a PLANE ��

    Posted: 14 Jan 2021 10:39 AM PST

    Phones with biometric face unlock

    Posted: 13 Jan 2021 11:55 PM PST

    For testing purposes I need a device with biometric face unlock (not only face lock screen but "real" biometric face unlock that is available in the biometric prompt). Does anybody have a list of phones that have this feature?

    submitted by /u/sunilson
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