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    Sunday, November 26, 2017

    Home Unlabelled My Chromebook updated today and now can run Android Apps from the play store app. (samsung cheapo $200 chromebook) Android Dev

    My Chromebook updated today and now can run Android Apps from the play store app. (samsung cheapo $200 chromebook) Android Dev

    November 26, 2017

    My Chromebook updated today and now can run Android Apps from the play store app. (samsung cheapo $200 chromebook) Android Dev

    My Chromebook updated today and now can run Android Apps from the play store app. (samsung cheapo $200 chromebook)

    Posted: 26 Nov 2017 03:04 PM PST

    Here are all the phones updated to support Project Treble [Continuously Updated]

    Posted: 26 Nov 2017 11:55 AM PST

    Google Vision API - get the silhouette of identified objects.

    Posted: 26 Nov 2017 12:56 PM PST

    Say you have at picture of a car and a tree on a hill top. The return will most likely contain a score for a car and a tree and a grass hill. So is there any way of getting the coordinates/pixels/shape for the area that is identified and given a score?

    submitted by /u/hasteiswaste
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    Building things with Java Reflection and Annotation Processing

    Posted: 26 Nov 2017 01:45 AM PST

    How come my app with fewer downloads is ranking high for a keyword, but my 2nd app with hundreds of downloads doesn't rank for the same keyword at all? Is it Google Play algorithmic penalty? I had the keyword 5 times in the description of the 2nd app

    Posted: 26 Nov 2017 03:19 AM PST

    The first and second app were made to rank for the same keywords. It's strange that the second one, despite heavier marketing which lead to hundreds more downloads, isn't ranking for the keyword at all.

    the first game, getting only 30 downloads and 2 reviews, is in the ranking when searching for "visual novel". The second game however, despite getting a few hundred more downloads than the first game, doesnt even appear for that term (but appears for other keywords). I tried it on appannie and other aso tools and it says the app doesnt appear for that keyword despite the fact that the keyword is in the description and even in the title. that term is the most appealing and i hope we can find a way to get in on that :(

    submitted by /u/nofyza
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    How to know if your app is going to be successful?

    Posted: 26 Nov 2017 04:00 PM PST

    So I released an app on the Google play store about 2 weeks ago, the first day I received 300 installs only because of a Reddit post, after that it really slowed down to 40-50 installs a day. Now a week later I'm getting 100 installs a day which are now all organic.

    Now my question is am I off to a good start or will I see a decline over time? I'm also actively working on getting my app on blogs and review websites but that's not guaranteed. Can someone tell me a little about their experiences with this?

    Thanks!

    submitted by /u/Mrjonwc
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    Is making a REAL custom lockscreen even possible?

    Posted: 26 Nov 2017 03:35 PM PST

    I've seen a lot of 'custom lockscreen' apps on the play store. They all work kinda clunky, not as fluid as stock lockscreens and offer no security compared to stock ones.

    I remember, back in the times of Android 4.2-4.4 when I was playing with custom roms, there were some custom lockscreens built into SlimROM (being able to unlock a phone by drawing a custom shape) or even built into gapps (there was a gapps version which would add the face unlock feature). Also, those lockscreens were also natively supported by the system - you could choose one of them from in the security options. Current custom lockscreens from the play store don't work this way :(

    Is there a way to do the same thing - make a REAL custom lockscreen now in 2017?

    submitted by /u/LelouchViBritanni
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    Where could I write articles to share my experience on creating Android apps?

    Posted: 26 Nov 2017 02:58 PM PST

    Hello,

    for 16 months, in addition to my daily job in a big IT company, I'm working with a colleague on a new adventure: creating casual/puzzle mobile games.

    I have learn a lot from this experience (design, creativity, monetization and localization strategies...). Now I would like to give back to the community and share my experience through articles.

    Where can I post those kind of articles? Thank you.

    submitted by /u/AppSoGreat
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    Why is the weekly questions thread not pinned anymore?

    Posted: 25 Nov 2017 10:34 PM PST

    Hello, wasnt't this thread pinned and very active? The last post is from 1 day ago. What happened?

    submitted by /u/Fr4nkWh1te
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    Kotlin: Coroutines, LiveData and Lifecycle handling

    Posted: 26 Nov 2017 03:20 AM PST

    Hello. I was just playing around with a project in which I have used Clean Architecture with RxJava2. I am trying to convert it to using Kotlin coroutines and maybe LiveData to handle the observation and cancellation according to the lifecycle state changes. Do you have any experience in the combination of Coroutines with Livedata ? Or how do you handle the lifecycle with only using Coroutines? Is is sufficient to get a Job object reference from the coroutine builder ( e.g. launch, async) and call the cancel() method when onDestroy is being called?

    submitted by /u/koufa3
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    I have a recycle view with 2 edit texts inside (per item), I am having trouble maintaining the position, and recording the values when entered.

    Posted: 26 Nov 2017 10:31 AM PST

    This is my adapter: https://pastebin.com/ymvC3x3W

    Here is my code creating the recycle view: https://pastebin.com/B8Xq3Ve5

    Does anybody know what I did wrong? Been stuck on this for a couple days.

    submitted by /u/WolfPusssy
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    [open-source app] Scry MTG card data

    Posted: 26 Nov 2017 10:27 AM PST

    Hey guys! I made this simple app which uses Scryfall API to query for a card(s) name, stores the response for 24h and shows the card pic & rules

    github sauce + apk

    submitted by /u/BBakana
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    Multithreading and Kotlin

    Posted: 26 Nov 2017 08:52 AM PST

    Here's my problem, large data set in Recycler View and it's adapter

    Posted: 25 Nov 2017 08:55 PM PST

    So, the app on which I work on has this typical format: Home screen has tabs(with view pager); each tab with infinite scroll and paginated data.

    Now, let's say I am on a particular tab, scrolled to some 5th page of a tab, clicked on a particular item and open it in a new Activity. As we all know, at this moment onPause() will be called in the activity, in which we can do "saveInstance" to help us reloading the state in case the activity gets killed, right?

    The problem is I can't really store my adapter data(List of items, parcelable) in this, because Android has limits on transaction size in IPC and all. Already tried creating an empty fragment to store the data, and it does NOT work with "DON'T KEEP ACTIVITIES" options ON. https://developer.android.com/guide/topics/resources/runtime-changes.html#RetainingAnObject

    Sorry for the long post. Feel free to ask more questions in comments.

    submitted by /u/siddharth-shah
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    Why aren't Android Canvas's bad?

    Posted: 25 Nov 2017 07:45 PM PST

    From what I understand, anything drawn onto the canvas never get's deleted/cleared, but instead just get's copied over.

    Like if someone was running a loop, they'd just draw a new background overtop of what's currently there.

    My issue is though... Wouldn't that cause some sort of memory issue after awhile? Or is there something I'm missing or not understanding here?

    submitted by /u/samiejg
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    Does a view update after it's been drawn onto a canvas?

    Posted: 25 Nov 2017 08:48 PM PST

    New to Android development, normally work with UWP. So let's say I have this:

    TextView text = new TextView(GetApplicationContext()); text.SetText("Hello World"); text.Draw(MyCanvas);

    Now on my canvas I can expect to see "Hello World", right? What if, after I call draw, I change the text:

    text.SetText("Goodbye world");

    Does the text on the canvas change after this call, without me calling draw again?

    submitted by /u/whyam-i-onreddit
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    Looking into getting a new computer for developing/gaming, currently working on android. Need advice

    Posted: 25 Nov 2017 06:15 PM PST

    I was looking into an iMac but worried it wouldn't be so great for gaming, especially because a lot of games don't release on mac OS. My teacher on Udacity is using a mac and would be easier to follow directions due to difference in command line, and I heard mac has faster build load times, is this true? Any recommendations/advice appreciated!

    submitted by /u/thisiscameron
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    Can I connect an android app I'm developing to a android tablet via usb the same way as I can with phones

    Posted: 25 Nov 2017 08:24 PM PST

    when I used to develop android apps a couple of years ago I could connect my app I was developing in android studio to my samsung galaxy s3 and I could use it natively. The same thing should work with any tablet right since I'm looking to buy one b/c of the sales.

    submitted by /u/TheWeebles
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    With an Android app, how can I make it run a script in my Linux machine, and download the result?

    Posted: 25 Nov 2017 05:01 PM PST

    In my Linux home computer, I made a script that generates pdf files.

    I want to make an app with Android Studio that that allows me to:

    1. Connect to the Linux server via WiFi (miles away) 2. Run the script 3. Download the generated pdf to the Android device

    What will I need for the Linux server? What will I need for the Android device?

    Since the server will be miles away, what is the best option? (SSH, SCP, FTP, ADB?)

    No to sure how to approach this, I have no Linux server or Android app experience, but I would appreciate your insight.

    submitted by /u/BeatVids
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