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    Sunday, March 22, 2020

    Android Dev - Corona-Tracker: App built in Kotlin using Architecture Components, Dagger2, Retrofit and Coroutines

    Android Dev - Corona-Tracker: App built in Kotlin using Architecture Components, Dagger2, Retrofit and Coroutines


    Corona-Tracker: App built in Kotlin using Architecture Components, Dagger2, Retrofit and Coroutines

    Posted: 22 Mar 2020 04:10 AM PDT

    Introducing the Activity Result APIs

    Posted: 22 Mar 2020 04:28 AM PDT

    Feeling Hopeless Like I'll Never get Android development

    Posted: 21 Mar 2020 09:16 PM PDT

    Going through the android course on Udacity, currently on the Android architecture Components and they're doing things I just really dont understand. As a complete noob between that course and looking at everyone posts here about new tech stacks that seem so complex I feel lost. Is this normal as a beginner? Does it get easier?

    Edit: for reference I'm a HS Senior, with a background in Python, Front end web dev, and learning Java (almost finished the course at school)

    Edit2: Thanks for the clarity fellas (and ladies), I'll take your reccomendations and just start making simple apps to get started. You're right it's just inherently hard to learn

    submitted by /u/PchelpOnly
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    Since the start of this week I'm seeing 50,000 uninstalling one of my apps DAILY with just 10,000 installs a day. I don't know why this is happening, anyone else seeing weird stats?

    Posted: 21 Mar 2020 04:14 PM PDT

    making app to stream content throw DLNA\UPNP like BubbleUpnp\XCast

    Posted: 22 Mar 2020 04:23 AM PDT

    hello there!

    i trying to make an app that can stream videos from phone to samsung smart tv,

    i tried using Cling library and was successful only to start the stream but cant control the tv, no pause,seek, volume..

    i reserched everything there is on google about libraries and portocols (without going to deep with dlna signed integers..)

    from what i understand samsung use some internal custom version of dlna,

    so i found "Smartview SDK" on samsung developers website,

    guess what last update was in 2017/8, the documentaion is ~ok

    but i cant make it work (got some 300 error from tv).

    i did succeed to make "hello world" app that worked

    so i checked other apps on the palystore XCast and BubbleUpnp

    and they work flawlessly, stream,pause,seek everything...

    my next step is try reverse engineer with fiddler.

    can someone point to somethig useful in this topic? i really hate reverse engineering

    thank you!

    submitted by /u/Clicker7
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    I made a playground app for my AnimatedBottomBar library

    Posted: 21 Mar 2020 05:26 PM PDT

    Hey guys,

    I made an app for my library to test out all functionality and also generate the XML layout! I could possibly also turn this into a library :)!

    Image: https://i.imgur.com/LNPc4sq.png App: https://github.com/Droppers/AnimatedBottomBar/raw/master/media/demo.apk Library: https://github.com/Droppers/AnimatedBottomBar

    submitted by /u/yreoj
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    COVID-19 and App Review Times

    Posted: 22 Mar 2020 04:20 AM PDT

    I updated two apps on Wednesday. They're still pending review on Google Play. In that same time, I've updated iOS versions of those same apps on the AppStore, and each has been ready in less than 24hrs.

    Last night at 1am, I updated the third iOS app. That took less than 8 hours to get to the AppStore.

    These are unprecedented times.

    submitted by /u/_wsgeorge
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    Customer orders app

    Posted: 22 Mar 2020 08:00 AM PDT

    Hey guys, I'm wondering is there an app in which I can add my customers, add products which I'm selling, add the price and then log what customer bought. Example: Customer calls me and says he/she wants 1 kg of bananas, then I log that order in the app. In the end of the month, I want to have a summary what customer bought and how much money she/he needs to pay.

    submitted by /u/predatorsss
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    App with 1 Million downloads suspended because of the word "Corona"

    Posted: 22 Mar 2020 07:44 AM PDT

    App with 1 Million downloads suspended because of the word "Corona"

    I'm the creator of the Meme and Vine Soundboard which had nearly 1 Million downloads. Sadly it got suspended 2 days ago because I wasn't aware of the fact that anything which mentions "Corona" is getting suspended instantly.

    The app contained more than 600 different meme sounds and one of them was unfortunately labeled "Corona time"
    I would love to get the chance to remove that one string and upload an update. Sadly I can't because the app got suspended instantly.
    My two employees and I rely on the App because it accounts for 90% of our income.
    Without it we will probably have to close our small studio.

    We are very sorry for unknowingly violating the guidelines.
    Does someone has an idea on how to get our app back online (besides of writing a ticket)?

    Aaron Waller,
    FujiGames

    https://preview.redd.it/u0vbc8kuk8o41.jpg?width=750&format=pjpg&auto=webp&s=7ce6594ce006faf7a75647ef03ab6551fb4f0847

    submitted by /u/Smive
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    Transferring app to new Play account, what happens with purchase validation API calls?

    Posted: 21 Mar 2020 08:40 PM PDT

    We are transferring an app to a new Google Play Developer Account because of Google's ridiculous policy of not being able to change the email address associated with the Play account owner.

    If you recall, in app purchases get validated server-side, and the server has a private key that is tied to a service account created in a Google API Console project (which is subsequently linked to the Google Play Developer account).

    When the app is transferred to the new Google Play Developer account, what happens with the existing Google API Console project? Will in-app purchases just start failing until the new account creates and deploys its own API Console project? Does the old project get linked to the new account?

    submitted by /u/kstrike155
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    What happens that suddenly so many people deinstall my app at the same time?

    Posted: 22 Mar 2020 06:06 AM PDT

    AutoCompleteTextView Never Close DropDown

    Posted: 21 Mar 2020 11:57 PM PDT

    Hi, I was thinking if there a way to always show the dropdown and close it on the back press or something, currently it opens and closes on the click of the AutoCompleteTextView?

    submitted by /u/alwaysbakedarjun
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    Any reports on review times for app updates in Google Play?

    Posted: 22 Mar 2020 02:09 AM PDT

    Any users want to report their current review times for updates? My update has been under review for 4 days now, where it used to be 4 hours. I know that this is caused by adjusted work schedules, but I want to know if 4 days is exceptional and wether I should release a new update because it's stuck now.

    Please tell me your current experiences!

    submitted by /u/Idevappstoo
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    How to make a chat app connect to a server?

    Posted: 21 Mar 2020 11:55 PM PDT

    I have a chat app designed, all the UI and the front-end is developed. But how do I connect it to an actual server? Not using firebase, I want to use ejabberd. The place where I'm an intern are using AWS. What is the Java code to connect with the server? How do I go about ejabberd?

    submitted by /u/grey_parrot
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    Notes app repository comprises three independent modules, segregated into Beginner, Intermediate and Advanced category, Build using Room, MVVM, LiveData, Data-Binding, Dagger-2, Coroutines.

    Posted: 22 Mar 2020 04:01 AM PDT

    room-demo-repo which is a successor of RoomDemo.

    To get started from scratch, follow Making a Notes App Using Room Database

    submitted by /u/Pavneet-sing
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    How to find the lagging difference between phone(s) and emulators when using firebase?

    Posted: 21 Mar 2020 09:20 PM PDT

    How can I test what's slowing down Firebase (Storage) on my phones (Samsung S10/Pixel2)? When I run my app in the emulator running Pixel 2 or Pixel 3 I have no issues and the app loads just fine. The time to 1st bit seems to be extraordinary when testing on my phones, but again, no issue on the emulator.

    Relevant Java code would be the below I suppose, but the code does work on both the emulators and the phones:

    handler.post(new Runnable() { //start the thread 

    u/Override public void run() { imageRef.putFile(Uri.parse(defaultMapUri)) .addOnSuccessListener(new OnSuccessListener<UploadTask.TaskSnapshot>() { u/Override public void onSuccess(UploadTask.TaskSnapshot taskSnapshot) {

    submitted by /u/DippityDamn
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    postmarketOS gets Anbox integration, will run native Android apps

    Posted: 21 Mar 2020 04:13 PM PDT

    Can I use Python for algorithm/CS questions in an interview for an Android position?

    Posted: 22 Mar 2020 12:16 AM PDT

    I just find Python easier for these types of questions because well...it's an easy language and it has a lot of features that I think are pretty cool/useful when solving these types of problems.

    submitted by /u/gcgsauce
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    How to set text color of MaterialButton inside MaterialButtonToggleGroup?

    Posted: 22 Mar 2020 12:11 AM PDT

    android:textColor not working

    submitted by /u/nabeel527
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    Sceneform documentation 404?

    Posted: 21 Mar 2020 05:28 PM PDT

    Is anyone else noticing that the sceneform API documentation is 404 at all endpoints?

    Check it out: https://developers.google.com/ar/develop/java/sceneform

    submitted by /u/sundeescaries
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    Feedback request + an update on Android YouTube tutorials

    Posted: 21 Mar 2020 10:49 AM PDT

    I posted a few months ago when I started making YouTube videos about Android development. Since then, I've focused on building out small projects end to end, and improving my audio/video quality with better equipment. By the numbers:

    • 4 simple apps built, and a 5th one in progress
    • 23 more videos published
    • ~60 subscribers to 1.5K subscribers

    Of course, there's always opportunity to get better. I'd love feedback from this group around what I could do better. What kind of Android content do you typically search for on YouTube?

    Here's a link to a my in-progress Instagram clone tutorial. Also happy to answer any questions. My goal is to be a resource for Android devs :)

    submitted by /u/rahulkpandey
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    How to install Android emulator on Debian server?

    Posted: 21 Mar 2020 03:53 PM PDT

    Hi,

    I want to setup my Linux machine as a build bot for automating Android tests over adb. Think simple command line apps like Toybox.

    If I understand correctly, then I need Android Studio in order to run emulated devices for adb. Tutorials online reference some emulator executable script, but this does not appear to be present in the Android Studio ZIP install files. Rather, I think that the bin/studio.sh script generates this file. Right?

    On my machine, I am unable to run this script. It needs a lot of space (gigabytes), it requires many packages (most immediately sudo dpkg --add-architecture i386 && sudo apt-get update && sudo apt-get install -y android-tools-adb android-tools-fastboot default-jdk libc6:i386 libncurses5:i386 libstdc++6:i386 lib32z1 libbz2-1.0:i386). Yet even so, something about how Android Studio expects to be run in graphical mode means that the studio.sh script fails.

    $ /usr/lib/android-studio/bin/studio.sh Startup Error: Unable to detect graphics environment 

    Some people online suggest export DISPLAY=':0'. This gets the script a little further.

    $ /usr/lib/android-studio/bin/studio.sh Start Failed: Failed to initialize graphics environment java.awt.AWTError: Can't connect to X11 window server using ':0' as the value of the DISPLAY variable. at sun.awt.X11GraphicsEnvironment.initDisplay(Native Method) at sun.awt.X11GraphicsEnvironment.access$200(X11GraphicsEnvironment.java:65) at sun.awt.X11GraphicsEnvironment$1.run(X11GraphicsEnvironment.java:115) at java.security.AccessController.doPrivileged(Native Method) at sun.awt.X11GraphicsEnvironment.<clinit>(X11GraphicsEnvironment.java:74) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:264) at java.awt.GraphicsEnvironment.createGE(GraphicsEnvironment.java:103) at java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment.java:82) at sun.awt.X11.XToolkit.<clinit>(XToolkit.java:134) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:264) at java.awt.Toolkit$2.run(Toolkit.java:860) at java.awt.Toolkit$2.run(Toolkit.java:855) at java.security.AccessController.doPrivileged(Native Method) at java.awt.Toolkit.getDefaultToolkit(Toolkit.java:854) at java.awt.Toolkit.getEventQueue(Toolkit.java:1741) at java.awt.EventQueue.invokeLater(EventQueue.java:1300) at com.intellij.idea.StartupUtil.lambda$prepareAndStart$2(StartupUtil.java:172) at java.util.concurrent.CompletableFuture.asyncRunStage(CompletableFuture.java:1640) at java.util.concurrent.CompletableFuture.runAsync(CompletableFuture.java:1858) at com.intellij.idea.StartupUtil.prepareAndStart(StartupUtil.java:151) at com.intellij.idea.MainImpl.start(MainImpl.java:16) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at com.intellij.ide.plugins.MainRunner.lambda$start$0(MainRunner.java:58) at java.lang.Thread.run(Thread.java:748) ----- JRE 1.8.0_212-release-1586-b4-5784211 amd64 by JetBrains s.r.o /usr/lib/android-studio/jre/jre 

    At this point, I'm starting to suspect that Android Studio depends on yet another set of packages, basically a graphical window manager. Well, I'm doing this on a headless Debian server so I'm not sure what all needs to be there. What's awesome is that dpkg is failing to install GNOME.

    $ sudo apt-get install -y task-gnome-desktop ... Setting up task-gnome-desktop (3.53) ... Processing triggers for initramfs-tools (0.133+deb10u1) ... update-initramfs: Generating /boot/initrd.img-4.19.0-8-amd64 cp: -r not specified; omitting directory '/etc/udev/rules.d/70-persistent-net.rules' E: /usr/share/initramfs-tools/hooks/udev failed with return 1. update-initramfs: failed for /boot/initrd.img-4.19.0-8-amd64 with 1. dpkg: error processing package initramfs-tools (--configure): installed initramfs-tools package post-installation script subprocess returned error exit status 1 Processing triggers for dictionaries-common (1.28.1) ... debconf: unable to initialize frontend: Dialog debconf: (No usable dialog-like program is installed, so the dialog based frontend cannot be used. at /usr/share/perl5/Debconf/FrontEnd/Dialog.pm line 76.) debconf: falling back to frontend: Readline aspell-autobuildhash: processing: en [en-common]. aspell-autobuildhash: processing: en [en-variant_0]. aspell-autobuildhash: processing: en [en-variant_1]. aspell-autobuildhash: processing: en [en-variant_2]. aspell-autobuildhash: processing: en [en-w_accents-only]. aspell-autobuildhash: processing: en [en-wo_accents-only]. aspell-autobuildhash: processing: en [en_AU-variant_0]. aspell-autobuildhash: processing: en [en_AU-variant_1]. aspell-autobuildhash: processing: en [en_AU-w_accents-only]. aspell-autobuildhash: processing: en [en_AU-wo_accents-only]. aspell-autobuildhash: processing: en [en_CA-variant_0]. aspell-autobuildhash: processing: en [en_CA-variant_1]. aspell-autobuildhash: processing: en [en_CA-w_accents-only]. aspell-autobuildhash: processing: en [en_CA-wo_accents-only]. aspell-autobuildhash: processing: en [en_GB-ise-w_accents-only]. aspell-autobuildhash: processing: en [en_GB-ise-wo_accents-only]. aspell-autobuildhash: processing: en [en_GB-ize-w_accents-only]. aspell-autobuildhash: processing: en [en_GB-ize-wo_accents-only]. aspell-autobuildhash: processing: en [en_GB-variant_0]. aspell-autobuildhash: processing: en [en_GB-variant_1]. aspell-autobuildhash: processing: en [en_US-w_accents-only]. aspell-autobuildhash: processing: en [en_US-wo_accents-only]. Processing triggers for libgdk-pixbuf2.0-0:amd64 (2.38.1+dfsg-1) ... Processing triggers for libc-bin (2.28-10) ... Processing triggers for dbus (1.12.16-1) ... Processing triggers for systemd (241-7~deb10u3) ... Errors were encountered while processing: initramfs-tools E: Sub-process /usr/bin/dpkg returned an error code (1) 

    Any tips?

    submitted by /u/mcandre
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