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    Tuesday, October 2, 2018

    Home Unlabelled Microsoft announces app mirroring to let you use any Android app on Windows 10 - The Verge Android Dev

    Microsoft announces app mirroring to let you use any Android app on Windows 10 - The Verge Android Dev

    October 02, 2018

    Microsoft announces app mirroring to let you use any Android app on Windows 10 - The Verge Android Dev

    Microsoft announces app mirroring to let you use any Android app on Windows 10 - The Verge

    Posted: 02 Oct 2018 02:09 PM PDT

    SQLIte VS JSON File on Cache

    Posted: 02 Oct 2018 01:55 PM PDT

    I'm just wondering if I wanna cache my data (news data) which is the better approach (performance-wise) storing my data as a json file on the cache directory then reading from it again or using SQLite and retrieve data from it. My purpose is not making the user wait too long until data is loaded from the server.

    submitted by /u/abdullahadhaim
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    Android Studio 3.3 Canary 13 available

    Posted: 02 Oct 2018 10:10 AM PDT

    After I updated my android studio, and after I created a new project, I tried to go to activity_main.xml editor. The process gets stuck saying "waiting for build to finish". How to solve this problem?

    Posted: 02 Oct 2018 05:27 AM PDT

    Google Play installs count not updating

    Posted: 02 Oct 2018 12:29 PM PDT

    I know there's a delay before Google Play installs count is updated, but it is stuck at 1000+ although it shows 5312 on console (for 3 days now) Has bucketing changed recently? Will it get update only after 10,000? As I understood, it should show 5000+

    submitted by /u/saurabhred
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    Anyone going to Kotlinconf?

    Posted: 02 Oct 2018 05:30 AM PDT

    What to push to github?

    Posted: 02 Oct 2018 04:24 PM PDT

    Hello r/androiddev

    I am currently in the process of pushing an android application to my github page. I read online that you are supposed to put certain files under something called a ".gitignore". What should go in this file for an android application? (I believe that I read something about putting API keys - I am using some google services in this case)

    ​

    Thanks!

    submitted by /u/The-Hash
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    My app is suddenly getting triple the amount of daily downloads

    Posted: 02 Oct 2018 09:25 AM PDT

    My app has been getting 20 downloads each day for about 2 months now, but it suddenly spiked to 60-150 downloads each day. As it's my first proper app, it makes me really happy. I would love to figure out why it suddenly gained so many downloads.

    All of my downloads are from the "search" function in the Playstore, so I honestly have no idea why more people are searching for the app.

    The ratio between how many downloads each country gives, is also the same. Nothing looks out of the ordinary in the statistics, except for the total amount.

    Any ideas?

    submitted by /u/Aski09
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    Database recommendations

    Posted: 02 Oct 2018 02:18 PM PDT

    I'm working on application that requires a lot of queries and incrementing data. I've used Firebase Firestore and Real-time database in the past but they're pretty awful at querying. Is there any database framework that would work well for what I need?

    submitted by /u/digbickrich
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    Open source EOS wallet - Kotlin, MVI design pattern, stubbed ui tests, eos-jvm showcase

    Posted: 02 Oct 2018 12:55 AM PDT

    Which video formats and codecs should I use to cover more devices/platforms (API Level 19+) ?

    Posted: 02 Oct 2018 01:44 PM PDT

    I'm developing an application which features embedded videos. I use ExoPlayer 2.8.2. The app works well though I noticed that it doesn't work on emulators with old systems (say Nexus 4 with API Level 19 or 22) . The stacktrace always reaches android.media.MediaCodec class which makes me think that something wrong with the video format I use.

    It might be that it is an emulator problem just like it is mentioned in this thread. But anyway I still want to know what is the best codec/format to use to reach good device coverage? I know there is a baseline from Google and there are many options supported on old platforms, but which video formats and codecs do you prefer on your projects? Which tools do you use to convert videos? Some other suggestions?

    submitted by /u/jshavel
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    Android-Auto-Review email says my app is crashing

    Posted: 02 Oct 2018 11:23 AM PDT

    Android-Auto-Review email says my app is crashing

    https://i.redd.it/7xzmtvv7dtp11.png

    How do you guys deal with this? Is there any way I can check the error log? I have a native audio player app that supports Android Auto. Recently, I changed the MediaPlayer to another 3rd party library and I'm getting this emails on every apks upload. I ran the DHU on PC without issues. Well, at least it's not crashing.

    submitted by /u/dahis39
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    Update an Android package, problem with the signing process

    Posted: 02 Oct 2018 09:34 AM PDT

    I'm trying to update some changes I made to an Ionic app following these steps, the problem I have is I didn't develop the app in the first place. I'm just the new guy here and in that tutorial when I have to execute $ jarsigner -verbose -sigalg SHA1withRSA -digestalg SHA1 -keystore my-release-key.keystore HelloWorld-release-unsigned.apk alias_name I always get one of the two following errors:

    jarsigner error: java.lang.RuntimeException: keystore load: Keystore was tampered with, or password was incorrect jarsigner: Certificate chain not found for: ****. **** must reference a valid KeyStore key entry containing a private key and corresponding public key certificate chain.

    I'm a little lost here , I don't understand what's the alias name (the tutorial doesn't explain this), also my boss only gave me the password and the keystore file, but he didn't give me the alias_name (although I have asked him this many times), should I keep asking him the alias_name? I mean, is this completely necessary?

    submitted by /u/AllahuAkbarSH
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    ADB not working? (error 2, CreateFileW 'nul' failed)

    Posted: 02 Oct 2018 01:05 PM PDT

    Hey,

    Title says all... I'm trying to use ADB, and I downloaded the adb and fastboot package from the Google Developers website (or something like that, I went through a series of links untill I found a google website and downloaded it from it), but when I do

    adb devices

    it returns with 

    List of devices attached * daemon not running; starting now at tcp:5037 adb: CreateFileW 'nul' failed: The system cannot find the file specified. (2) * failed to start daemon error: cannot connect to daemon

    I've downloaded 3 different versions of adb, just to be sure it isn't a corrupted download thats causing the problem... I'm running windows 10, and up until, like, 3 days ago it was working perfectly... I'm trying to use it to flash a recovery, as I had to format my phone because I might've messed up when messing around with Magisk, but I wanna install it again, it's a risk I'm taking.

    All help is appreciated

    submitted by /u/FranckTheMiner
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    Android Studio 3.2 (Stable) constantly stops responding and needs force close (Mac OS el capitan AND mojave)

    Posted: 01 Oct 2018 06:33 PM PDT

    Just to get this out of the way, here's my macbook pro's specs:

    • 13 inch, retina, mid 2014
    • OS Version: Mojave
    • Model Name: MacBook Pro
    • Model Identifier: MacBookPro11,1
    • Processor Name: Intel Core i7
    • Processor Speed: 3 GHz
    • Number of Processors: 1
    • Total Number of Cores: 2
    • L2 Cache (per Core): 256 KB
    • L3 Cache: 4 MB
    • Memory: 16 GB

    Experiencing the same on my work computer, a mid 2015 MBP with a core i5 and 16gb ram on El Capitan

    ​

    I've attempted editing the vm options to no avail. This is what I have in vm options:

    ​

    • -Xms1G
    • -Xmx4G
    • -XX:MaxPermSize=1G
    • -XX:ReservedCodeCacheSize=512m

    Side note: On AS 3.1.x, I do not have this issue

    Has anyone else experienced this issue and found a solution?

    submitted by /u/Psest328
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    android fore - thinner android view layers

    Posted: 02 Oct 2018 12:41 PM PDT

    Use Google Pay for voluntary donation/tipping in app to support my dev work?

    Posted: 02 Oct 2018 04:03 PM PDT

    hey r/androiddev,

    I'm considering adding a 'donate' or 'your app is great, I'll buy you a beer/coffee' button into my app.

    From my research on this subreddit, StackOverflow and general Google Search I already found out that I should/must not call it 'donate', but hey I'm flexible with wording ¯\_(ツ)_/¯

    I also found out that I should disregard integrating PayPal for the sake of receiving donations, since Google dislikes it and wanna make Developers use their In-App Payment methods. Also Google seems to take down apps that refer to their website which have a PayPal Donate Button, so that's also off the table...

    I'm aware that Google is taking 30% of each transaction with IAP, with which I'm generally fine, since they are the ones distribution my app. (Just to confirm, I can use IAP to receive tips by a user, correct?)

    What I'm now wondering, may I use Google Pay instead of Google IAP for my purposes? My main interest of using Google Pay is that it includes various payment methods (Google Play, credit card and now even PayPal!). Would I even be eligible to use it?

    I know people suggest offering to version ('regular/free' and 'pro/paid'), but I somewhat would refrain from doing that just for sake to have tipping possibility makes it seem a bit much...

    submitted by /u/tozu
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    Developing flow

    Posted: 02 Oct 2018 11:59 AM PDT

    Hi everyone!

    ​

    I'll be starting my final College project soon and I have a simple question regarding development.

    ​

    The app I'm planning has several pages (and I have all of their "looks" defined) and I wonder which is the right (or best, or advisable) way to proceed:

    ​

    1) should I put together all the pages elements and then code or

    2) Put together a page, code it, then do the next page.

    ​

    I'm sorry if this question is really stupid, I just feel lost about the best way to do it.

    ​

    Thanks in advance!

    submitted by /u/Almeidaboo
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    New Humble Bundle - 15 Head First books!

    Posted: 01 Oct 2018 09:15 PM PDT

    Including Android Development, Java, Design Patterns, and SQL.

    https://www.humblebundle.com/books/head-first-books?hmb_source=navbar&hmb_medium=product_tile&hmb_campaign=tile_index_2

    ​

    I have personally found Head First books incredibly helpful as a beginner.

    submitted by /u/freewave
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    How to create adaptive icons for Android using Android Studio

    Posted: 02 Oct 2018 11:39 AM PDT

    Optimize your app for autofill | Android Developers

    Posted: 02 Oct 2018 03:03 PM PDT

    Crypviser In Brazil. – Crypviser Blog – Medium

    Posted: 02 Oct 2018 02:53 PM PDT

    Device administration overview | Android Developers

    Posted: 02 Oct 2018 02:43 PM PDT

    Android studio vector assets with material design 2 outlined variant would be nice

    Posted: 01 Oct 2018 11:17 PM PDT

    How to restore the collapsed Bottom App bar?

    Posted: 02 Oct 2018 06:47 AM PDT

    How to restore the collapsed Bottom App bar?

    I have set the bottom app bar to hideOnScroll, now when I change tabs while the bar is collapsed it stays collapsed
    any idea how to show the bar again in the other fragment?

    https://i.redd.it/7jwqfrk21sp11.gif

    submitted by /u/FooSnackBar
    [link] [comments]
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