Developing Android Apps

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News for Android developers with the who, what, where when and how of the Android community. Probably mostly the how. Here, you'll find: - News for Android developers - Thoughtful, informative articles - Insightful talks and presentations - Useful libraries - Handy tools - Open source applications for studyingDeveloping Android Apps
Updated: 16 min 14 sec ago

[Salary] Android Developers in Los Angeles County

Fri, 11/16/2018 - 23:07

I've developed Android applications professionally for 2 years and am looking to switch jobs. I'm a "good" developer, and can do well on technical interviews, and am wondering how much I should ask a company for salary-wise.

I'm currently making 77k USD + 10% salary year end bonus.

Can anyone give me insight into what I should be asking for in the Los Angeles / Santa Monica job market given my experience?

submitted by /u/thekermitsuicides
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Categories: Android, Linux

Team player + fun, fun, FUNNNN + company trips wooo + fantastic journey OMG + it's not work, it's play! = shit pay as an Android dev?

Fri, 11/16/2018 - 22:11

I was initially tempted to apply at Mindvalley, but then reading through the website sent off multiple alarms in my head.

The interior looks too much like a kindergarten than an actual office. There is a video of employees posing with toy guns, and excessive smiling and hugging everywhere, and everywhere I am pitched about how fun, fun, funnnnnn it is to work there rather than how well I am going to be paid for my work.

Sure enough, reviews at Glassdoor reveal that salaries are low and burnout rates are high at Mindvalley.

Is this just Mindvalley, or should I also be aware of other companies that adopt the 'fun fun funnnnn' approach?

I want to be taken seriously in my profession and I am money driven, so I am wondering if freelancing is actually the way to go in that case.

submitted by /u/PopularBug5
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Categories: Android, Linux

How would i answer an interview question of implementing android login ?

Fri, 11/16/2018 - 21:01

If you have a big project, where a login screen requirement, what processes you will follow to ship it.

What are the things I need to say to the interviewer?

I don't have a real experience how this is implemented in real-world apps

submitted by /u/xmraz
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Categories: Android, Linux

Seek/dial control in android

Fri, 11/16/2018 - 20:55

I am new to Android dev, though I have good experience with developing UI applications for desktop. I want to use a seek control in my application that is similar to the FM radio app frequency change control. The one where the needle is fixed at the center and the user swipes the dial beneath, left or right. I could not find any reference online, maybe I didn't search for the right keywords. Is there a free control available or I need to write one? If I need to write one, where do I start? Thanks in advance. Cheers, Bejoy

submitted by /u/bejoysat
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Categories: Android, Linux

Google-smacked for "impersonation"

Fri, 11/16/2018 - 16:58

I wish I knew to search for it beforehand, as I've lost my apps now with 20,000 downloads. It's sad that Google offers no recourse to submit changes and fix your "wrongdoings". Starting over at 0 is no fun. This is my first app so it is a bit disheartening.

On a positive note, it did force me to come up with a more original logo, and I'm just praying they don't decide to smack me again and terminate my dev account.

Sorry for the "dear diary" post, I don't really have anyone to talk to about this stuff.

submitted by /u/leftyz
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Categories: Android, Linux

Is 800 downloads the first week a good result for a game?

Fri, 11/16/2018 - 16:02

I’ve published a week ago a game (I leave you the links below), and in a week I made 800 downloads. Is it a good result, considering that I didn’t pay for advertising, I only posted some link around the internet. Here are the links.

Youtube Video:


Google Play:

Facebook Page:

submitted by /u/AESTHETICGUY
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Categories: Android, Linux

CoroutineScope with Paging Boundary Callback

Fri, 11/16/2018 - 14:34


I'm implementing the paging library's boundary callback with coroutines. The onItemAtEndLoaded calls the api service for more posts. How should I pass the viewmodel scope to the boundary callback and how should the api calls should be made with the mentioned scope?


submitted by /u/lulguy
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Categories: Android, Linux

I've reached a million downloads in my first app!

Fri, 11/16/2018 - 13:55

So this November I wanted to get into android developing as a hobby and I saw WhatsApp was releasing stickers in the beta so I took my chances and went for it. Mainly because there was even a template on GitHub and I could learn how everything's done by myself. I already knew a bit of Java and Android dev so it wasn't hard to set it up and upload it to the Play Store.

The first week it got less than 1K downloads. It was only avaliable on WhatsApp's beta so nobody had heard about it yet. The day it got released in the Stable version I got 20K downloads. I couldn't stop watching the numbers get higher and higher.

You can hate me if you want but I also learned to put ads (took me wayy too much) to get my Play Store 25$ license back and maybe save up for the iOS store (99$/year is a lot). It was just a banner in my activities so I haven't won much (not even enough to get the Apple License with 1M downloads).

Fast forward to today, I've been getting about 130k downloads per day with a peak at 210k. Here's the graph to see how much it blew up. It's been really stressful to be honest, I was always thinking about the app and updating it and such for the new users. But it paid off! I reached 1M downloads today and it felt like seeing my son graduate (well not that much but you get what I'm trying to say). But damn, it was my first project so I'm super new to all this. I don't really know what to do now.

I'm not sure I'm allowed to post the app's link but I'm just sharing my experience so It's not even important. Specially because of /u/alonski22's post. You can ask me anything you want in the comments :)

submitted by /u/RecklessGeek
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Categories: Android, Linux

What language/framework/software to use to create a mobile homescreen widget ?

Fri, 11/16/2018 - 12:07


I've been looking for a calendar widget (not an app, but something that stays stuck to my phone's home screen all the time) for a very specific use case, and found none that fitted my needs. I decided to just try and make one. I've been experimenting with PWAs as of late so I think I'll expand my horizons yet more.

Thing is, it's easy to find info on what to use to develop apps, but there's very little info on what can be used to make the widget that goes with that app. What is normally used ? Is it good old Java by default, or can it be done with JS or something else closer to front-end web development ?

Links to tutorials are obviously welcome, but even just knowing what to look for would help me tremendously.

Thanks all !

submitted by /u/lekevoid
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Categories: Android, Linux

async task needs 2 clicks or requests to execute?

Fri, 11/16/2018 - 11:38


I have multiple async tasks in my app such as logging in, or retrieving trip data from a database. For some reason, I need to click twice (for logging in for example) for the task to go through. I know that the button click is registering because the progress animation works.

This also happens in another class where the first time I go to the tab, it does not show the data its supposed to retrieve. But when I switch tabs again and come back, it updates.

Code for Async task

Code for entire classs (sorry its a super long class but i suspect the issue is probably within the async task anyways)

Any ideas? Thanks

submitted by /u/rayano24
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Categories: Android, Linux

Bundling an App — In an Instant

Fri, 11/16/2018 - 11:28
Categories: Android, Linux

What do you think about Flutter?

Fri, 11/16/2018 - 10:14

I'm a native mobile developer, working with Java/Kotlin last 4 years. A half year ago I was trying a swift... I like mobile applications, I like to develop them, but it takes a lot of time to develop for 2 Platforms. I've tried Xamarin, react native, but all these engines have different problems. The problem with many cross-platform engines is that they don't work any further than the "todo-app".

There are cases when large companies use cross-platform development, but more often I see the headlines "Airbnb drops React Native".

I was at a conference a few weeks ago, and there were guys from Google who were very active advocates for Flutter.

So... What do you think about Flutter? I'm planning to try Flutter + AR, but maybe someone already tried it and were disappointed, or Vice versa.

submitted by /u/vleonov
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Categories: Android, Linux

What's a properly formatted phone number string for PhoneNumberUtils?

Fri, 11/16/2018 - 09:32

I'm trying to use this method but it returns null for every 10 digit number I provide as a string. Anyone know how to use it?,%20java.lang.String))

submitted by /u/maynotbe
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Categories: Android, Linux

How does one publish an app on the chinese market?

Fri, 11/16/2018 - 09:01

I don't actually have an app ready for publishing, just a hypothetical question.

submitted by /u/NoviceJavaProgrammer
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Categories: Android, Linux

I got 200 downloads on my first day

Fri, 11/16/2018 - 08:44

Hello guys. So I have been developing a mobile game in GMS2 and I released it yesterday. I know my downloads are pretty small compared to what other successful games did, but 200 downloads for me on the first day is insane, and that is considering I have not done any marketing except for twitter. It also warms my heart that the game has been received really really well by those people who have downloaded it.

I started this thread because I feel there is a severe lack of post mortems for mobile games. I have been doing so much research but I can barely fund mobile devs who share their experience launching their game, what strategies they used and things like that.

If someone out there has launched a successful (or unsuccessful) mobile game, please share your experience with us! You would really help us mobile devs a lot! Thanks guys

submitted by /u/alonski22
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Categories: Android, Linux

Our professor won't allow us to use firebase[HELP]

Fri, 11/16/2018 - 08:38

I need help regarding on our capstone thesis project for our graduation.Our professor prohibited us from using firebase.I don't see any valid reason of doing this since Firebase is a very efficient and feature packed real-time database.
Here is the scenario:
-We are required to make a mobile app,and a web version of it
-Our online mobile app is a movie reservation/ticketing based app on a small "movie house" with 3 rooms.
-The web version of it,is an admin panel.Where the admin can add new movies,delete and change movie details.
-The online database should be in real time.
-The online database must store photos.
Since Firebase is banned,do you have suggestions on the best alternative we can use?

submitted by /u/RebornChieko
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Categories: Android, Linux

Admob show/match rates confusion.

Fri, 11/16/2018 - 08:38

I am using Admob in my application. The network report says that that the match rate is 95% and the show rate is 25%. What does these metrics mean? How can I improve the show rate?

submitted by /u/Adarshkl
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Categories: Android, Linux