App Feedback Thread - January 30, 2021 Android Dev |
- App Feedback Thread - January 30, 2021
- How do you let your users back up their data?
- Comments and discussion about UI, integration tests, and mocks
- Can NPU and GPU operate simultaneously on Android device?
- Is there a way to be notified when my release has been approved?
- Is there a no-coding free software that allows you to make a simple app?
- How to convince backend devs that Android is important - help needed
- Flutter or React Native?
- Modelling UI State on Android
- Kotlin Coroutines Fundamentals
- The Crazy Android Fragment Bug I’ve Investigated
- Android Currency Converter with RxJava2, Dagger2, Retrofit and Kotlin Channel
- kmm +DART Flutter view
- Play Console Publish Timeline Question (With Ads SDK)
- First Time Dev: Error with Gradle Sync
- Where is Block Store API documentation?
- Guess I won't update Android Studio in a long time
- Worth of Associate Android Developer Certification Syllabus, not the certificate
- How do I get an ArrayList of floats from Firestore in android studio, Kotlin?
- HUMBLE BOOK BUNDLE: MATH FOR PROGRAMMERS BY MANNING PUBLICATIONS (pay what you want and help charity)
- Learn Kotlin in 12 Minutes - Would love any feedback on this high-density video covering about the core language features for a class I'm teaching.
| App Feedback Thread - January 30, 2021 Posted: 30 Jan 2021 06:00 AM PST This thread is for getting feedback on your own apps. Developers:
Commenters:
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. [link] [comments]  | ||
| How do you let your users back up their data? Posted: 30 Jan 2021 07:35 AM PST I published a tiny app for saving notes and book quotes and recently a lot of my users have been asking for means to back up their data. Notes are saved on the device and are never sent to a server. Users don't even log in, their data isn't stored on any cloud. Obviously, I have `android:allowBackup="true"` but I'm wondering if others are relying on this feature. My biggest gripe with it is that backup is limited to 25MB. My question is - how are you backing up your user's data? [link] [comments]  | ||
| Comments and discussion about UI, integration tests, and mocks Posted: 30 Jan 2021 11:47 AM PST I have some experience with Unit testing but I have never gone beyond that, and in the next project we will start doing UI and integration tests. I have thoughts based on what I've read, but I'd like to see what you think, what am I missing, and get real-experience feedback. Some specific questions (sorry, it is a bit long, relevant topics in bold as TL;DR): 1) For UI tests, to reduce flakiness and slowness, I understand it's better if we mock the server. But where/how? By running an on-device server (e.g. with Ktor), by providing mock json responses (retrofit interceptor), by providing mock data sources, by providing mock UseCases…? What I see is, the more code that is mocked the less "real-like conditions" the test will be; but the easier and faster it will be to build, run and maintain. And we can already test all of that with unit and integration tests… Am I missing some points? What have you tried and how did it work out? 2) How worthwhile is it testing the server requests (data source), considering it is mostly done by retrofit and the serializer, and it requires setting up a lot of big json files? It seems that it will rarely break due to a programmer error, as that code should only change if the actual server response changes, and in that case the test needs to be changed anyway. The only benefit I can see is if we change the serialization library (or upgrade to a breaking version) in the future, which might be enough to be worthwhile, but I am not sure because it is a lot of effort for a not that frequent change. Probably if we have some end-to-end tests from question 1 it makes this less necessary too. Again, am I missing something? What's your experience? And what tools are good and bad for testing REST API requests? 3) What do you consider more important to test in UI testing, sorted by usefulness in finding bugs vs effort and flakiness? I suspect this: correct user interaction and navigation > specific bugs that have been detected and fixed > UI correctly doing what the VM expects >> ui correctly shows the info >> animation. Not sure if there are more things that could be tested or the sorting is not correct. Prior to having tried it, for example, it seems very costly to test that the UI looks as it should (text is not cut or has ellipsize, views do not overlap…). 4) I was thinking about covering all the visual part of UI testing with screenshot testing and leaving UI tests for interaction/navigation. Those tests in theory look good, but I've read the worst opinions about them. They seem especially useful when we update UI libraries -e.g. material design- and margins or colors work differently. I see that I lose the benefit of reading the tests and knowing the UI behaves as expected, but if all logic is at the ViewModel or in separate and testable UI helper classes it should not be necessary. It seems that it can very significantly reduce the effort of building and maintaining tests, and detect issues that do not seem feasible with standard UI tests. 5) As sort of a follow-up of 1, is it a good idea having some fully end-to-end tests that include actual server requests, to be able to release blindly? I think I'd always want human supervision before doing a release, so there would be no reason for that, I think. Note that currently, I do not expect to be doing more than 1 release per month or so. If we were releasing once per week or more I'd probably change my opinion on this. [link] [comments]  | ||
| Can NPU and GPU operate simultaneously on Android device? Posted: 29 Jan 2021 09:35 PM PST I'm an android developer interested in NNAPI. Can NPU and GPU operate simultaneously on Android device? Thank you! [link] [comments]  | ||
| Is there a way to be notified when my release has been approved? Posted: 30 Jan 2021 03:31 PM PST I did not find a way to be notified when a release in the Google Play Console is approved by Google team (and then I manually publish it the store). There is no emails or webhooks available. It's annoying to visit the console every hour to know if the review process of my update is done. I already searched a solution with CI/CD like Bitrise or even tried to scrap the Google Play Console but no success. [link] [comments]  | ||
| Is there a no-coding free software that allows you to make a simple app? Posted: 30 Jan 2021 03:25 PM PST All I would like it to do is: - input data (durations) - do calculations based on the data - present the data - make a widget - do pop-up notifications based on calculations of the data - option to export the data Thank you in advance! :) [link] [comments]  | ||
| How to convince backend devs that Android is important - help needed Posted: 30 Jan 2021 07:32 AM PST Hi, I'm working on a conference talk / YouTube video / blog post (hopefully all three together) about the importance of the Android platform. It's goal is to convince developers who usually work on backends to look into Android as a potential job market for them to switch to, and as a potential niche if they decided to write new projects. My very specific goal inside that goal is to convince Scala devs that they can write Android apps, but let's not delve into that here :) (I tell you about it only for full disclosure). I already have quite a bit of source materials to work on but maybe I missed something interestinng, so I decided to ask for your help. Do you know about any thorough, like really thorough, well documented statistics, surveys, etc., about the Android platform? [link] [comments]  | ||
| Posted: 30 Jan 2021 01:45 PM PST I have some knowledge in JavaScript and Java, so it seems like React Native is the obvious choice. However, I heard that RN sometimes displeases its users and that they feel so much better using Flutter. Is it worth learning Dart to use Flutter or should I learn React Native. [link] [comments]  | ||
| Posted: 30 Jan 2021 04:45 AM PST | ||
| Kotlin Coroutines Fundamentals Posted: 30 Jan 2021 08:53 AM PST
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| The Crazy Android Fragment Bug I’ve Investigated Posted: 29 Jan 2021 11:39 PM PST
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| Android Currency Converter with RxJava2, Dagger2, Retrofit and Kotlin Channel Posted: 30 Jan 2021 09:15 AM PST
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| Posted: 30 Jan 2021 09:03 AM PST Compose and SWIFT UI are really similar to Flutter views, and furthermore Flutter takes care of iOS, Android differences in a cool way. What is the technical difficulties in developing a clean architecture app, that could use the view layer of DART? I guess are two different compiler right, not expert. But the point is `why not using a kind of way to repaint compose and swift UI in C++ as flutter does?`, so that one can develop one view in both the platforms, maybe not in DART necessarily... Please do not get angry with me I sincerely want to ask to understand, this is something I cannot find in the internet really easy. Thanks, your newbe [link] [comments]  | ||
| Play Console Publish Timeline Question (With Ads SDK) Posted: 30 Jan 2021 08:53 AM PST I have been updating my app via play console everyday. It used to take only 15 to 30 mins to get reviewed. However, two days back I did add 'ratings sdk' and 'ads sdk' to my app. Now, it has been more than 2 days and my app has still not been reviewed. My best guess is that now a human will first review the app because of ads sdk. Has anyone else faced this or is there something else that I should be looking for. 15 mins publish time did highly reduced my development time. So, I am extra curious. [link] [comments]  | ||
| First Time Dev: Error with Gradle Sync Posted: 30 Jan 2021 08:51 AM PST Hi, I'm completely new to android development and just downloaded Android Studio today. I am following this tutorial which seems to be going well until it asks me to open activity_main.xml - when I tried to open it, it gives me this error: Thanks in advance! [link] [comments]  | ||
| Where is Block Store API documentation? Posted: 29 Jan 2021 09:40 PM PST I was searching for the documentation of the Block Store API as I would like to integrate it into my app, but couldn't find it. I have seen a video from June 2020 on Android Developers channel ( https://www.youtube.com/watch?v=KFGthqwDmc0&feature=emb_title ) saying the block store API will be available by the end of 2020. So, is it still not available yet? If so, is there any information on when it will be available? Thanks [link] [comments]  | ||
| Guess I won't update Android Studio in a long time Posted: 29 Jan 2021 04:12 PM PST Yesterday I updated to Android Studio 4.1.2, and now I get a bug where the popup (what shows up when you hover the mouse over something) sometimes gets stuck on screen and won't disappear until I restart the program. When I updated to 4.0, the keyboard shortcuts (I'm on a Mac) got changed for no reason (luckily an easy fix). Also, when I open another project, the new window shows up under the previous one (when in Full Screen, on Mac, a new window should open separately, also in Full Screen). When I updated to 3.6, the 'select file/path' dialog also appears under the previous dialog. They changed the Design views with "Code/Split View/Design View", which doesn't save the previous selected view. Since then, every time an XML is opened, you have to change it manually. And now with 4.1.2, instead of a red underline when 'critical warnings' are detected (like this, or like when for example you type View#setVisibility(0) instead of View#setVisibility(View.VISIBLE)), the whole letters are colored in red, so now it's not different from errors (e.g. you typed a method that doesn't exist). Why do I even bother upgrading? Every update adds more accumulated bugs/problems. I won't update in a year, or maybe even three. Some problems are bearable, others not so much. This post is half rant, half discussion to read other people's opinions and experiences with this. (To clarify, I'm not a professional dev, it's more like a hobby I started ~1.5 years ago). [link] [comments]  | ||
| Worth of Associate Android Developer Certification Syllabus, not the certificate Posted: 29 Jan 2021 10:33 PM PST If I finish the Study guide: Associate Android Developer Certification including the Android Core, User Interface, Data Management, Debugging and Testing. And I have completed three or four projects including apps like simple payment management, PDF reader and an Instagram clone. Can I consider my self ready for a jr. developer job? [link] [comments]  | ||
| How do I get an ArrayList of floats from Firestore in android studio, Kotlin? Posted: 30 Jan 2021 12:55 AM PST | ||
| Posted: 29 Jan 2021 11:53 PM PST
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| Posted: 29 Jan 2021 11:35 PM PST
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