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    Wednesday, August 7, 2019

    Final Beta update, official Android Q coming soon! Android Dev

    Final Beta update, official Android Q coming soon! Android Dev


    Final Beta update, official Android Q coming soon!

    Posted: 07 Aug 2019 10:22 AM PDT

    Android SDK Platform 29, Revision 2 causes overload resolution ambiguity errors for java.util.* classes

    Posted: 07 Aug 2019 03:28 PM PDT

    An Android library for Sign In with Apple

    Posted: 07 Aug 2019 02:18 PM PDT

    The final Beta release for Android Q is here! Developers, make sure your apps are ready!

    Posted: 07 Aug 2019 10:21 AM PDT

    Testing new versions of the Android Gradle Plugin

    Posted: 07 Aug 2019 07:47 AM PDT

    AlwaysOnHotwordDetector preventing phone going into Doze mode

    Posted: 07 Aug 2019 10:23 AM PDT

    I happened to take a logcat today on my phone running Pie. I noticed that during a period of several hours when I wasn't using my phone at all (and it wasn't on a charger) there were many logcat entries of the form

    08-07 14:41:13.226 28146 5046 I AlwaysOnHotwordDetector: onDetected

    Last time I examined a logcat for my phone (a few months ago) there were no such entries. I'm guessing that a recent update to the Google app has automatically set 'listen for OK Google' to on - I guess I can change that if I want to. But what surprised me is that this seems to be preventing the phone from going into Doze mode, therefore presumably using much more battery than expected. I thought the whole idea of Doze from Marshmallow onwards was to 'sleep' the phone when not being used. If listening for 'OK Google' prevents that then it is kind of self-defeating.

    Anyone seen anything similar to this?

    Edited to add: I had been running Waze immediately beforehand. I closed down the Waze app when I was done, but I wonder if the hotword detector was loaded by Waze and was still active after the main app was finished?

    submitted by /u/malbry
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    Billing Pricing Problems!

    Posted: 07 Aug 2019 03:54 AM PDT

    I'm in the UK, and this concerns a UK company. I was casually talking to one of the managers of a company and we just happened to discuss a problem they wanted an app for. It intrigued me and said I could create it... After some thought, it turned out to be a single activity, one class, handful of variables and a few more methods to solve the problem. In total I spent maybe three-four hours planning, developing and then making it usable. I didn't really time myself doing it. I wouldn't call myself a newbie or junior.

    As I've been doing Android development for myself, I don't really have a clue regarding pricing. I'm not sure to bill by hour, or as a completed package. I'm sure if it was done by a UK development centre (that in-turn would probably outsource to India / Eastern Europe) it'd be a few thousand despite the simple needs.

    Ideas / suggestions / guidelines please?

    submitted by /u/sc3nner
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    Google play app bundle upload stuck at processing.

    Posted: 07 Aug 2019 08:12 AM PDT

    I am trying to upload an Android app bundle to play store. It is stuck in processing for hours now. It shows percentage with 100% for some time and then again goes to same countless loop.

    Any suggestions, some old threads say should be uploaded from different PC, will try that but anyone has any concrete solution to this problem?

    submitted by /u/Swaroni
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    New vs Current Notebook

    Posted: 07 Aug 2019 09:42 AM PDT

    Hi guys,

    I'm a Java developer. I want to develop new apps on Android Studio; but i have i5 5200u processor, 4 gb ram and 512 gb hdd.

    Should I buy a new notebook (msi gf63) or upgrade (to 8gb ram and ssd)?

    submitted by /u/emula6
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    Kotlin: Destructuring Declarations

    Posted: 07 Aug 2019 02:00 AM PDT

    Combine Complex Pages with Various Logic and UI like LEGO

    Posted: 07 Aug 2019 07:57 AM PDT

    This article introduces how to refactor our original architecture and transform fundamental MVVM to modern one:

    https://medium.com/@hanru.yeh/combine-complex-pages-with-various-logic-and-ui-like-lego-1552bebc9e0f?source=friends_link&sk=53d29ee30b36aead3b50a7145b506627

    submitted by /u/EvoNext
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    Implement Foreground Service for Unity-App

    Posted: 07 Aug 2019 07:45 AM PDT

    Hey there :)

    I have an Unity-App that needs to track distance (probably compareable to Pokemon-Go-Egg-Breeding).

    Currently I just track latitude and longitude in Unity, and add the difference to a distance value.

    This doesnt work when the app is out of focus and that is the problem Im currently facing. The interwebz suggests using a foreground-service and I have a sql-server to track waypoints.

    So my app ends at:

    OnApplicationFocus(bool focus) { if(focus == true) { //terminate service } else { //start service } } 

    I think I can handle with the pure coding part on my own but I have no idea how to "add" this service to my app and cant figure it out even after I googled a lot. How do I "create" a pure service without activity? How do I add the service to my app? Im currently building an APK with android, do I need another type of export? How do I reference/start/stop this service in my C# script?

    Sorry for android studio newbee questions, ty for help :)

    submitted by /u/SmittyWerbenXD
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    RTMP Streaming Library

    Posted: 07 Aug 2019 06:52 AM PDT

    Hey everyone,

    I am looking for libraries to live-stream the screen of an Android device over RTMP. There server is ready, but generating the stream in the device has been tricky.

    I have only found https://github.com/pedroSG94/rtmp-rtsp-stream-client-java which is somewhat current and supports this. There are a few paid libraries (Red5 has an exorbitantly expensive one, vastreaming offers a solution and I found streamaxia) but I would be most interested in an OSS solution.

    Do you know of other libraries which would be able to generate an RTMP stream while recording the screen?

    If there is no "complete" alternative, maybe there are well maintained libraries that I could combine. AFAIK recording the screen is done through the MediaProjection API, is there a good library simplifying this task? I also could not really find any RTMP library for Android, do you have suggestions?

    Thanks a lot already :)

    submitted by /u/Traspler
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    New developer concerned with legal aspects/copyright etc

    Posted: 07 Aug 2019 10:05 AM PDT

    I'm from the UK by the way, but I'm sure most of this is standard.

    I'm making this app all on my own mainly to learn skills and I'm in the early stages but I'm worried about screwing myself legally because I know nothing about the law pretty much (I just graduated high school).

    It's going to be a budgeting app which isn't a brand new idea and I don't think that in of iteself is a problem, but I've had a look at the many apps already out there for inspiration and so mine might end up pretty similar to some of them in some parts. I've got my own ideas which as far as I can tell are new, but my main question is how closely can I resemble the other apps? They're all budgeting apps and there's not many different ways you do the basics of that, right? What about UI/design, or wording of the text...

    I've heard that you can form an LLC to protect yourself from personally being sued, but doing so is expesive. (This might just be an american thing also?) Is this widespread? Looking at the play store I see plenty of apps listing a normal person-name as the creator. Would this make you a target for litigation?

    What about copyrighting my own app. If I don't bother, can someone literally just reupload it as their own? Is a 'copyright' the only thing you need? I'm not really that interested in profiting from this, it's mainly for my CV, but it would be nice to make some money if I'm putting all this work in.

    tl;dr and summary, how do I learn about developing lawfully, keeping to copyrights and so on? Advice or even just pointers to the right places would be greatly appreciated. I just don't want to be in the dark on this.

    submitted by /u/HPLaserJetProP1102w
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    What devices do you use to test your app / game?

    Posted: 07 Aug 2019 01:29 PM PDT

    Forgive me if this has been asked before, but I've searched the web dozens of times trying to find something useful.

    I have a couple of iOS games that I want to port over to Android and the #1 thing preventing me is knowing what devices / aspect ratios to support...

    submitted by /u/Super80sWorld
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    Android Graphics Question : Are the apps written in GLES compatible on new Vulkan supported devices.

    Posted: 07 Aug 2019 01:33 AM PDT

    I know this seems like a lame question, but I am currently writing an app and I am not using the Canvas api's, I am using GLSurfaceView and GLES 3.0 for my app. I was worried that with Android Q Vulkan replacing OpenGL ES my app won't be compatible with newer devices.

    submitted by /u/EnggInventor
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    Android low-level media codec?

    Posted: 07 Aug 2019 03:41 AM PDT

    I was working on media codec and wanted to look at low-level encoding operation on android device. I was investigating to see what are a low-level encoding library that android device use. However, I was only able to find MediaCodec and on the documentation side, it explains like this

    MediaCodec was introduced in API 16, and can be used for low level (decoding/encoding) operations. In the same API was also introduced TimeAnimator, which can be used to synchronise animation frames. Finally, MediaExtractor provides a simple way to extract demuxed media data from a data source.

    It tells me MediaCodec is used for low-level operation but MediaCodec is just an API, I want to know that how and what MediaCodec is calling?

    submitted by /u/ekstrah
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    [x-post from r/IndieGaming]Google announcement about Google AdMob Native Advanced

    Posted: 07 Aug 2019 04:40 AM PDT

    Finally, after all the waiting by the game publishers, AdMob finally released its full version for native ad support and the product is now open for all publishers unlike previously limited subscription. I have written a detailed blog about this, if the news is relevant for you, please read away here.

    submitted by /u/learning_keeda
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    App hangs and new window comes up (similar to animation) with the start of new activity?

    Posted: 07 Aug 2019 07:04 AM PDT

    App hangs and new window comes up (similar to animation) with the start of new activity?

    Hi,

    On button press, a new activity is starting. It is a very simple activity but It the emulator of hangs for half a second and then the new activity window comes up. It feels like there is some animation going on (AT 00:06).

    How to fix it?

    EDIT - It doesn't take 6 minutes for the new activity to start. The new activity starts within half a second(or less) after the button press. But the app looks like it freezes for that half second and THEN The new Activity window comes up like animation.

    It can be seen at 00:06 seconds.

    https://reddit.com/link/cn67cw/video/9r0td1ngj1f31/player

    submitted by /u/babuaaa
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    Tracking fine position with Accelerometer?

    Posted: 07 Aug 2019 11:37 AM PDT

    Is that even possible?

    I think theoretically it should be if you know the starting position, right?

    Would the accuracy or something else would be a problem?

    Is there any other way to get a very accurate position without wifi?

    From what I've read GPS would be too coarse.

    submitted by /u/gr33n4x1o
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    Question: how to stop "Join the Beta" from appearing on app page on Google Play - for an app where there is no longer an active APK for Open Beta (it was superceded by the Release APK some time back)

    Posted: 07 Aug 2019 05:39 AM PDT

    UPDATE: it seems the recommended way according to Google is to do a "Remove Testers" (for an Open Beta track).

    https://support.google.com/googleplay/android-developer/answer/3131213

    Step 5: End a test

    To remove users from your app's test:

    Sign in to your Play Console. Select an app. On the left menu, select Release management > App releases. Next to the test that you want to end, select Manage. Expand the "Manage testers" card. After ending a test, testers won't receive updates but the app will remain installed on their device. To remove a closed test track that you created, select Deactivate track. You can access deactivated tracks on the App releases page in the "Closed tracks" section.
    To end an open, closed alpha, or internal test, select Remove testers.

    Specifically:

    To end an open, closed alpha, or internal test, select Remove testers.


     

    I have a question on closing down the "Open Beta" section that appears on app page in Google Play store.

    Currently the app page on Google Play store is still showing a "Join the Beta" section - which I would like to ensure is not shown anymore.

    The app did have an Open Beta APK earlier, but has since been superceded by the Release APK. So "Release Management" section on Google Developer Console says:

    Superseded by production

    The only setting I can see which a developer can change is the "Manage Testers" link - which shows:

    Maximum number of testers: xxxx

    And it has a button there "Remove Testers". If you click that you get a dialog box:

    Remove Testers

    If you remove the testers, your existing testers will no longer be testing the app. Do you still want to continue?

    Yes No


     

    Should I just click "Remove Testers" ?

    • will it migrate them to the release ?

    • if they are still running the Beta APK, would it cause them any issues when they view the app page on Google Play ?

    • will it remove the "Join the Beta" section from the app page on Google Play ?

    Thanks.


     

    For anyone wondering why one would want to close the Open Beta program:

    • users who are in the Beta program cannot rate the app, and their comment doesn't appear on the app page (the user also cannot see their comment - some ask why that is).

    • the Beta comments (which are visible to dev in User Feedback - Beta Feedback section on Google Developer Console) are usually positive, but other users cannot see them, or benefit from their commentary.

    submitted by /u/stereomatch
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    How to update an app bundle to play store from another developer without original keys to sign?

    Posted: 07 Aug 2019 11:23 AM PDT

    I recently took over updating an app for a client. I normally work solo and don't take over other projects, so I'm not familiar with these issues. But, wanted to help this client out. What is the best way to update my client's app when the app bundle is signed by another and I don't have any of the original keys to sign it?

    submitted by /u/VeganJordan
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    How to be professional developer

    Posted: 07 Aug 2019 11:14 AM PDT

    Hi guys I have questions how to be good programmer And second question backend or mobile development(native) in future?

    submitted by /u/abylr
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