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    Android Dev - Anyone knows how to fix this bad FAB animation?

    October 30, 2021

    Android Dev - Anyone knows how to fix this bad FAB animation?

    Anyone knows how to fix this bad FAB animation?

    Posted: 30 Oct 2021 03:11 AM PDT

    Self taught dev about to start applying, critique my resume please!

    Posted: 30 Oct 2021 05:23 AM PDT

    Hey everyone,

    I'm about to start applying for jobs and I need some feedback on my resume.

    https://ibb.co/2FmzYqk

    Thank you!

    submitted by /u/Cranberryftw
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    Anybody using Jetpack compose in production?

    Posted: 30 Oct 2021 03:49 AM PDT

    How does eye tracking work on Android ?

    Posted: 30 Oct 2021 06:58 AM PDT

    I want to make an app that tracks the eyes accurately on the screen, i want to use this to see if a user can track a moving object across the screen or look at a popping object in a certain time. i would like it to be accurate and amass as much data as possible, such as blinking and iris movement and other scientifically relevant data if possible.

    Looking into this, i couldn't find any frame of reference on how to go about it, either using the openCV library and do it from scratch or maybe use the Google vision API

    Any guidance would be really helpful to know where to start

    PS: it would be good to only use the phone's sensors and android version limitation or device limitations are okay

    submitted by /u/Megumindesuyo
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    Preferred Back end for Chat App

    Posted: 30 Oct 2021 06:31 AM PDT

    My last interview at Droidcon Berlin 2021 with Delivery Hero, about how they use Android to deliver an amazing experience to their customers.

    Posted: 30 Oct 2021 03:08 AM PDT

    My first medium post on livedata https://link.medium.com/0D9VE8RZLkb

    Posted: 30 Oct 2021 02:48 AM PDT

    Please comment your reviews so I can improve and be able to create better content. Thanks so much for your time. https://link.medium.com/0D9VE8RZLkb

    submitted by /u/pvnvk
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    REST in 2021

    Posted: 29 Oct 2021 02:30 PM PDT

    A difficulty I've been having learning Android has been getting and identifying up-to-date recommendations. I spent quite a while working through layout code before switching to Jetpack Compose, for instance.

    So far I've been using Retrofit for REST, but is this still the best approach now? The retrofit annotations like POST are of only limited use, since I need to build the body object elsewhere anyway. Or am I doing that wrong, and there's a better way of building request bodies?

    I don't need anyone to take me by my hand here, but if you can point out what I should be using and suggest some good intro posts to read I'd appreciate it. Thanks.

    If the answer is still "use retrofit and gson" I'm fine with that. I just don't like how deep this rabbit hole is going and it's time to check I'm in the right one. :)

    submitted by /u/tewha
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    Is it realistic to earn survivable amount of money by being an individual app developer and selling apps on google play store?

    Posted: 29 Oct 2021 10:18 AM PDT

    I have a few ideas. Mostly games and a few apps that would help organize one's daily life. Now I'm learning Kotlin and android development. I have previous experience with programming mostly in web development but I've grown bored of it.

    Survivable amount of money would have to be >500€/month for a start.

    Also, which one of these is the most profitable:

    1. Have ads on an app
    2. Have ads on an app + option to pay to remove ads and maybe to add some additional functionality/content
    3. The app is not free
    4. Any other options?
    submitted by /u/mikkicat7
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    Stuck at this question: Do you provide a way for users to request that their data is deleted?

    Posted: 29 Oct 2021 10:59 AM PDT

    Basically it seems really bad that I have to answer no, but I have no idea how I could say yes since I don't know how I would go about deleting stuff.

    Basically I use firebase, I don't have user accounts. I do have a user ID but I don't get it unless the users specifically give it to me over email. I guess I have customer emails for support, I could delete those. But how do I delete firebase data? In most cases it is anonymous as far as I know.

    I don't store any user data on my servers, heck I don't even have servers really, just a few APIs but the data flows down from the server, not the other way around.

    And then I have ads, I'm sure ad networks keep data. How do I get them to delete stuff? How would they know who wants the stuff deleted?

    Or do I answer yes and everything I do is delete support emails of the person requesting?

    Edit: Just to be clear on firebase, I don't use user auth or anything like that, all I do is set a user id on firebase, which is a random number that I store in preferences. If the user clears data then the id changes.

    submitted by /u/mntgoat
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    Database usage guidelines for apps

    Posted: 29 Oct 2021 10:26 AM PDT

    I need to save pictures in my app. Although the pictures are very small, each picture is like 10-20 KB, but I want to keep them in external storage. Currently, I am solving the need through direct file operation. In this case, how can I use the database? Using SQLite is quite laborious. Is there any way to use the room database? I saw a GitHub project called Object-Box that claims to be usable instead of SQLite. Can anyone tell me how I can meet my needs with it? Or any other easy way?

    The second question is, if there are 500 or 1000 such pictures, is there any problem to save them in internal storage? What is the maximum amount of data that can be stored in internal storage?

    submitted by /u/FissyCat
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    For anyone who's done the Android Kotlin nanodegree program from Udacity - Where are you now?

    Posted: 29 Oct 2021 10:02 AM PDT

    Title more or less. I figured I go through it, and wanted to know what you've done after finishing it?

    Did you go ahead and apply for jobs? How did that turn out? Did you go on to make more complicated projects, etc.

    submitted by /u/GrinningTangerine
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    Flutter or Android NDK/iOS external C++ library usage ?

    Posted: 29 Oct 2021 02:07 PM PDT

    I'm not too sure, I would need very high performance but oddly enough I'm afraid a C++ library into native apps wouldnt be as fast as flutter as I need OpenCV/Tensorflow Lite to run, thus with DSP/CoreML acceleration and not only CPU. I know for sure flutter has support for it but I have no idea for a c++ variation, but I assume not, since flutter is oriented app.

    I'm working (or rather am going to) on a image processing app.

    Thanks for your input!

    submitted by /u/napolitain_
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