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    Android Dev - Trying something new with RecycleView LayoutManager

    December 31, 2019

    Android Dev - Trying something new with RecycleView LayoutManager

    Trying something new with RecycleView LayoutManager

    Posted: 30 Dec 2019 06:26 PM PST

    A Full Guide to App Store Optimization (ASO)

    Posted: 31 Dec 2019 06:08 AM PST

    RxJava 3.0.0-RC7 with Java 8 baseline is released

    Posted: 31 Dec 2019 06:41 AM PST

    Have you encounter high number of android.database.sqlite.SQLiteCantOpenDatabaseException after Android room version migration?

    Posted: 31 Dec 2019 05:38 AM PST

    We are using room version 2.1.0

    Recently, we just increase database version by 1, and perform migration using the following code.

    This is my migration code - https://gist.github.com/yccheok/555f6664e0d01ca828b43b73d49e5aaf

    Basically, what I did in the code is

    • Rename column from "sort_info" to "sort_option"
    • Fill up sort_option with correct value

    The code has tested locally without issue.

    However, for some users (which seems almost all of them are using Galaxy S10), they are experiencing the following crash

    android.database.sqlite.SQLiteCantOpenDatabaseException

    The complete crash report can be found at - https://gist.github.com/yccheok/fb7e7eb6d89bf7f84d2fefffc8f05f07

    The crash happens during app startup. The only "workaround" so far, is to clear data, uninstall app and reinstall again. (Of course, this is something not acceptable by user due to data loss)

    From first sight, it seems like SQLite database file has corrupted?

    But, how does that happen? As, I try to test it locally, by throwing some Exception during migration code. The database seems fine. As, I guess the migration will run within DB transaction. In case any failure, the DB will be rolled back to old state. DB should remained readable and not corrupted.

    Has anyone encounter the similar issue? Do you have any hint for me? This problem has occurred for a week since I deploy the migration code. So far, we still not able to solve this issue.

    submitted by /u/yccheok
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    View and manage the Room database in the app with Room Explorer library

    Posted: 31 Dec 2019 07:40 AM PST

    If you have an idea for mobile phones, and you need to integrate your services into SPs like Google, how would you approach?

    Posted: 31 Dec 2019 08:19 AM PST

    Hi all,

    Just a quick question. Im not a developer, ill start learning by myself in 2020. I have an idea that i think my approach to a spesific service will attract more users and maybe lure other service's customers.

    How should i go on with this?

    Should i study mock up and build an interface that could be considered as MVP and send a mail to google* about how i can attract people to blabla* service?

    Should i really develop an app and then go to them?

    Or should i do nothing but just pitch the idea to service provider?

    Thanks,

    submitted by /u/alpello
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    Android development feeds on Telegram

    Posted: 31 Dec 2019 07:20 AM PST

    Converted Activity to Fragment and now my code is littered with warnings, what is the best practice for dealing with this?

    Posted: 30 Dec 2019 04:13 PM PST

    Hi.

    I'm converting my app to work as a single activity application using jetpack navigation. One issue I'm really concerned about is this clusterf*ck of warnings produced from every getContext and getActivity in my code.

    I have read time and time again that storing a reference to context or an activity is a bad practice due to potential memory leaks, but how else can I remove all of these warnings without null checking 1000 times?

    submitted by /u/fenwalt
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    Whats the smallest screen width which covers the google Pixel 3?

    Posted: 31 Dec 2019 06:03 AM PST

    Can you recommend any recycler view sector libraries?

    Posted: 31 Dec 2019 02:17 AM PST

    What are some good libraries for selecting items within recycler view? Thanks.

    submitted by /u/A4_Ts
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    How is the progress in Kotlin Multi Platform?

    Posted: 31 Dec 2019 05:11 AM PST

    Previously I read following issues about Kotlin MP here and there.

    • Poor
      • IDE support
      • performance on iOS
    • Problematic
      • threading
      • memory model

    I see progress with coroutine support in Kotlin Native, what is the state of other issues?

    Can we use Kotlin MP for code sharing between Android and iOS at production level without any major issues?

    submitted by /u/nerdy_adventurer
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    Most of my downloads are in my country

    Posted: 31 Dec 2019 03:12 AM PST

    Hi,

    ​

    I have this app with over 27k downloads . But the weird thing is that almost 85% of the download are from my country ( or neighboring counties) that speak same language ( Arabic ) . Why is this happening ? i suspected it has something to do with my English store listing.

    ​

    My App

    https://play.google.com/store/apps/details?id=com.quantyam.apps.whatssender

    ​

    What do you guys think ? is what i suspected is the reason ?

    submitted by /u/RaiedJN
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    Adapt is a DSL that attempts to standardize RecyclerView.Adapter creation by leveraging Android’s Data Binding framework.

    Posted: 30 Dec 2019 01:35 PM PST

    a virtual android or chrome os ...

    Posted: 31 Dec 2019 12:06 AM PST

    please help list options for running a virtual android in a host as a guest OS ...

    and what are the options to do that ... say using VMWare ? chrome os ? android os?

    how to access it from from my regular android? RDC - Remote Desktop Connect to PC with VMWare ? any direct way - like VNC?

    ​

    I just want to be able to install and try all these random APK apps on some environment other then my phone ... but be able to access it from anywhere - from my laptop, my PC, my phone, my tablet ...

    ​

    thank you ...

    submitted by /u/supra8000
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    Workplace for Kotlin code in IDE

    Posted: 30 Dec 2019 07:59 PM PST

    How To Create Tic-Tac-Toe In Android Studio In Easy Steps - Android Hire

    Posted: 31 Dec 2019 01:29 AM PST

    Is it technically possible to develop a third party (not Juul’s) app that integrates with the Juul C1 Bluetooth device?

    Posted: 30 Dec 2019 06:38 PM PST

    Just curious if that's possible or if anyone's tried doing so

    submitted by /u/proposition_john
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    Exploring "architectures" article

    Posted: 30 Dec 2019 02:46 PM PST

    Hey guys,

    for the past years in my software developer career I was trying to master software architectures and understand them and is this is a never ending path I wanted to summarize my thoughts.

    I've written an article about my experience with designing software architecture, opinions on MVx patterns and other things I found important.

    It is pretty much written to take on things in general but there are some specific platform related examples.

    Open to feedback here and any kind of related comments and opinions.

    https://medium.com/@helmisek/exploring-architectures-6831b57b7d88

    submitted by /u/helmanss
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    What's your continuous integration and testing setup look like for full UI testing across devices?

    Posted: 30 Dec 2019 04:07 PM PST

    I'm working on a new product that needs to have a very reliable android app.

    I want to have full continuous test/integration of the code and the integration of the UI.

    Right now I'm using circleci and it tests all my code but I want it to test our app.

    What so you guys use for production?

    I need something I can invest in and have this solved long term and don't mind paying for a SaaS solution.

    submitted by /u/brainhack3r
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    Hi everybody, may I ask you about your experience with Vungle? I wonder if my revenue is "normal" for that number of views. What do you think?

    Posted: 30 Dec 2019 02:40 PM PST

    Need help in building an app which works for different sizes of screen (Android version is the same or higher)

    Posted: 30 Dec 2019 10:08 AM PST

    I am building an app for a client whose current version was only limited to Samsung Galaxy E tabs. The client wants to build a new version of the app from scratch as they want to include newer technologies. The app is a basic survey app but it is meant for old people. They want the app to work on tabs as well as phones. Now I have no clue as to how difficult it is. I think it should be easy if I use relative layouts? Any help would be appreciated.

    Thank you.

    submitted by /u/ggwp709
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