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    Sunday, January 17, 2021

    Android Dev - ViewModel has reference to Activity in one of Google's code lab.

    Android Dev - ViewModel has reference to Activity in one of Google's code lab.


    ViewModel has reference to Activity in one of Google's code lab.

    Posted: 17 Jan 2021 03:10 AM PST

    Almost all docs on Android documentation recommends that ViewModel should not have reference to the view of any sort that includes activity but this code lab takes the reference of activity in one of it's a method.

    Am I missing the point or is this wrong?

    https://developer.android.com/codelabs/play-billing-scalable-kotlin#4

    Look at the makePurchase method.

    submitted by /u/ceasarmymate
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    For Android only: an open-source local-first database to build collaborative and end-to-end secured applications (and so much more)

    Posted: 16 Jan 2021 01:28 PM PST

    Hey, after a long 7 years story in the dark, I want to share with you CondensationDB that I believe has a huge potential for ensuring data privacy and for protecting digital rights.

    What is Condensation?

    A general-purpose distributed database with conflict-free synchronization, and inherent end-to-end security. 

    In simple other words: a fully secured database that doesn't trust the cloud as the data is produced on the user's device and distributed completely freely. And it proposes a simple interface for developers to build anything they want.

    What you can build with

    • Build any kind of app secured by design
    • Build collaborative tools such as google doc (but with control on the code and the privacy)
    • Build distributed systems where each user can keep his data on his sever while communicating with others (inspired by the mailing systems)

    A bit of history

    Back in 2013, I came to my computer science teacher Thomas to develop a chatting application for scheduling appointments. Very soon came the question of privacy and so we decided to develop our own database system (yes that's a totally crazy decision). From there, after many iterations alongside our studies, we got a stable version which is in prod with our app Twelve that you can download.

    How you can help

    Dig deeper and make your own opinion (We have a lot of material in the docs and on the website). Now we are in the process of packaging it and finishing the documentation. We invest a lot of time to prepare demos and tutorials and so I welcome you to share your opinion about the project and to propose your contribution to make it a success.

    The Java version of the code is published on our GitHub but we are still preparing all the related demos and guidelines, so be kind and patient.

    Thanks a lot for your time. And if you star us on GitHub I will love you forever :)

    Website

    submitted by /u/Malexik_T
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    10 — 16 January Android Newsletter

    Posted: 17 Jan 2021 02:56 AM PST

    Stay up to date with Android development, in this week's edition:
    💭 5 ways to show a message
    ⚡ Improve performance of RecyclerView
    💡 Run benchmarks properly
    🔨 Build a library from scratch
    and much more!

    Read it here 👉 https://vladsonkin.com/android-newsletter-29/

    💥Featuring @PreusslerBerlin @github_skydoves and many other cool authors (who don't like Twitter apparently 😬)

    💚 Subscribe and receive new editions directly to your email. Weekly, no spam, unsub anytime.
    Here is an example: https://mailchi.mp/ce07c88332ff/android-newsletter-29

    submitted by /u/vladsonkin_com
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    Why shouldn't I consider using Flutter over Nativescript?

    Posted: 17 Jan 2021 04:47 AM PST

    Working on a Browser App want some help about bookmarks

    Posted: 17 Jan 2021 04:06 AM PST

    Working on a Browser App want some help about bookmarks

    Hi,

    I am currently working on browser for android I want to know that can I use the logo of Facebook and Google in the Startpage like this (see the image below) do I get copyright strike or trademark strike for that?

    https://preview.redd.it/roxxl0p2vvb61.png?width=292&format=png&auto=webp&s=e996e98c0958ff143573bbcfb816452c0acb9f3f

    submitted by /u/Null_Execption
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    Does anyone notice the A/B testing for main store listing in new Google Play console is extremely difficult to use?

    Posted: 17 Jan 2021 01:18 AM PST

    In old Google Play console, if you only want to A/B test on 1 screenshots out of 16 screenshots, it enables you to just upload just 1 new screenshot, in the new variation.

    But, for the new Google Play console, it requires you to upload all the same 15 screenshots again, even though variation A is same as variation B, with only 1 screenshot difference

    Unfortunately, we do not keep the screenshots of original variation, and it seems there is no way to download it :-(

    submitted by /u/yccheok
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    Book vs developer.android.com

    Posted: 17 Jan 2021 03:15 AM PST

    Hi all.

    I'm a beginner CS student (taken intro programming and a Java I course). I want to learn to build an Android app.

    Would you recommend the Big Nerd Ranch book or just going through all the modules on developer.android.com?

    submitted by /u/null_isomers
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    Congratulations! You have been promoted! But you you have to find your sucessor and have to write the job offer for your position. What technical skills are must have, nice to have and a bonus to do your current job to be as good as you (or even better)?

    Posted: 17 Jan 2021 03:12 AM PST

    Problem with google console?

    Posted: 17 Jan 2021 03:08 AM PST

    (not sure if this is okay with the rules but I'll try)

    Since Friday I have had several problems with the play console, I cannot update the rollout percentage and or release a new version. I can open the page but the links and buttons do nothing.

    Have tried the same with my phone and have the same result.

    Anyone else experiencing this?

    submitted by /u/verdurakh
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    How to add tap in to copy in flutter

    Posted: 17 Jan 2021 03:36 AM PST

    How to Evaluate and Determine the Value of Mobile App

    Posted: 17 Jan 2021 05:28 AM PST

    I want to design an online tool. If someone uploads his app, the tool will evaluate the value of the app for the current time and future. How can I proceed to design an algorithm?

    submitted by /u/AliciaAIdeveloper
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    About to launch app, question about using Admob

    Posted: 16 Jan 2021 03:47 PM PST

    Hey, so I plan to add ads in my app on launch. Currently I have over 100,000 downloads in Beta and I ran ads via Admob for a month as a test. These are the numbers (image below), the total seems low for the number of impressions but I have no idea since this is all new to me. I'm currently only using banners which show up on the bottom of most pages.

    My question is, after Googling around it seems Mopub is a better option for ads but also maybe there is something more I need to be doing, maybe only running ads for a month is not enough? Any help is appreciated thanks!

    Earnings: https://i.imgur.com/aTRL29t.jpg

    submitted by /u/Imevoll
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    I want to create an android app that gives notifications at fixed timing.

    Posted: 16 Jan 2021 10:50 PM PST

    How can I do that, please anybody tell, I know python.

    submitted by /u/NoFapper0000
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    Google may require new Android TV devices support AV1 video decoding

    Posted: 16 Jan 2021 10:34 AM PST

    Reading files from another apps

    Posted: 16 Jan 2021 05:33 PM PST

    Hi guys, what would be the best way to read files from another app in the era of Android R? The app that would read the files would be my launcher and they would be read from theme app installed separately. I would need access to file that describes what each file represents and to files given in that list (wallpapers, icons, fonts maybe...)

    submitted by /u/draskosaric
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    Is there a way to add a donation button

    Posted: 16 Jan 2021 05:09 PM PST

    If so how would you do it?

    submitted by /u/gman2520
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    Learn android development sustainably

    Posted: 16 Jan 2021 11:42 AM PST

    I have tried to learn android development about a year or two ago and since forgotten most of what I learnt. My experience learning native android development has been - doing tutorials and trying to implement assignments by copying the tutorial code into the assignments. If I had to do something that is different that didn't have a tutorial online I got stuck and panicked.

    Now I have to build a native android app as part of my thesis. I really want to learn native Android development sustainably with good practices that I can rely on when I meet a task/requirement that I haven't done before.

    These are examples of things that the app I need to build should be able to do.

    - Navigate/Changing screens( pagination/stack)
    - Authentication- login/register
    - Make HTTP GET and POST requests + headers/tokens
    - Parse JSON- get a list from server and display its contents as 'cards'
    - image display
    - Take a picture and send to the server
    - RecyclerView's things
    - (Other essential things to understand)

    I would appreciate any pointers on good tutorials to learn android development as well as pointers generally on the learning difficulties I have had in the past mentioned above

    My emphasis is being able to understand these things and becoming capable of using the android documentation in a way that is sustainable i.e when I have new obstacles I can rely on the documentation instead of being lost if no one has a youtube tutorial to do that specific thing I am stuck on.

    submitted by /u/pokumars
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    I want feedback on my Android game but I can't log into GitHub from Android Studio.

    Posted: 16 Jan 2021 06:59 PM PST

    It plays a battleship type game very well, but my UI needs a lot of work. It's my very first game for Android.

    As soon as I get this sorted out I'll post it.

    In the meantime, here's the error

    https://files.catbox.moe/kh5bsj.png

    submitted by /u/redditcdnfanguy
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    A Kotlin library to use Jetpack Compose in Android and lOS. Allow to write UI for both in Kotlin.

    Posted: 16 Jan 2021 12:37 AM PST

    Fitness APIs

    Posted: 16 Jan 2021 11:58 AM PST

    Hi there!

    I'm building a fitness app currently. I want to know what the community thinks of the various APIs.

    Google Fit API

    • Seems to require that the google fit app be installed, and it's not installed on all phones be default.

    Samusng SDK

    • Requires a Samsung phone

    Hardware API

    • requires user to have the hardware (fitbit, garmin,...).

    I'm looking to activity and ambient tracking. I want to track things like steps in the day and if possible HR, and when the user is recording a workout, log more data.

    Does anyone have any thoughts on how best to do this?

    submitted by /u/DoPeopleEvenLookHere
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    How long are reviews for new apps taking at the moment?

    Posted: 16 Jan 2021 11:30 AM PST

    This is the first app I've published since the reviews process started. So far we're at 8 days since submitting the build.

    There is a message that says:

    We're experiencing longer than usual review times

    But does 8 or more days seem typical?

    submitted by /u/Stazalicious
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