App Feedback Thread - December 10, 2016

App Feedback Thread - December 10, 2016


App Feedback Thread - December 10, 2016

Posted: 10 Dec 2016 04:07 AM PST

This thread is for getting feedback on your own apps. Please adhere to the following rules:

Developers:

  • must make top level comment
  • must include Play Store, GitHub, or BitBucket link
  • must make effort to respond to questions and feedback from commenters
  • may be open or closed source

Commenters:

  • must give constructive feedback in replies to top level comments
  • must not include links to other apps

To cut down on spam, accounts who are too young or do not have enough karma to post may be filtered pending manual approval.

As always, the mod team is only a small group of people, and we rely on the readers to help us maintain this subreddit. Please report any rule breakers. Thank you.

- Da Mods

submitted by /u/AutoModerator
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Are algorithms and data structures are big part of the interview for Android developers?

Posted: 10 Dec 2016 10:27 AM PST

I'm kind of confused on how to study. On r/cscareerquestions , most of the interviews seem to be exercise-based or "whiteboard". However, the interview snippets I see seem to be more question and answer.

Don't take it the wrong way, Im not trying to be lazy or anything. I consider myself at best intermediate in Java and have a lot to learn. Is it required to read Cracking the Coding Interview and do HankerRank / Leetcode? Or should I delve into more advanced Android concepts?

My list in case someone else is looking for a database "I recently took an interview and prepared a list of questions. I hope this helps you."

https://www.reddit.com/r/androiddev/comments/4gkdec/heres_a_list_of_resources_that_ive_compiled_for/

submitted by /u/kang3peat
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Overriding RxAndroid Schedulers for RxJava 1 and 2 for Tests

Posted: 10 Dec 2016 09:33 PM PST

Looking for ideas for open source projects..

Posted: 10 Dec 2016 09:49 PM PST

Libraries, apps, custom views - anything

Because why build another hacker news client for my portfolio instead of something that can actually help other devs.

submitted by /u/ulterior-motives
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Any chance for a teen to get a job developing Android?

Posted: 10 Dec 2016 09:31 PM PST

2 years ago, during my sophomore year, as part of my FIRST robotics competition team, I learned how to program in Java, and eventually became my teams mobile development captain. It would be pretty great to get a summer job doing real programming work at a company. The main problem with me trying to do this is that the only qualifications I have are my app portfolio and a 4 on the AP Computer Science B test. Would any company ever want to hire someone like me or do I need to wait?

submitted by /u/Nate12345678
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How good can I get at android at different lengths of time invested?

Posted: 10 Dec 2016 08:02 PM PST

Everyone spouts off the "10,000 hour to master any skill" meme (which is true I'm sure, or it wouldn't be a meme) in the threads I found from googling, but "master" isn't the only skill level in existence - I'm curious how far I'll be with my development efforts at different points in time

Prior Experience: probably considered as wading through the beginnings of the intermediate stage. my effort wasn't very focused or systematic before though.

Some basic Object-Oriented Java, some progress into making very basic crap apps using ListViews with ArrayAdapters and getting json using an AsyncTask. Taken an intro to computer science course (cs50x) and have lots of past programming/dabbling experience having contributed mildly to some open source projects - small scripts, bug fixes. experience with basic front-end web dev - jquery, basic react, ajax, html/bootstrap. experience playing with http backend apis in node (express/sequelize) and python (flask/sqlalchemy)

Roughly Planned Curriculuum: (looking for tips!)

1 Work on a personal project app - do as much as I can with what I /already/ know to practice

  1. go through https://www.coursera.org/specializations/java-object-oriented to solidify a more advanced Java and computer science to understanding to build further on what I learned conceptually in cs50 and learn from a good course how to make real applications

  2. use codepath guides/udacity course/google searches/sample projects/codelabs as needed to fill in gaps encountered in stage 1

  3. iterate on stage 1 using improved understanding in stage 2 and 3

I go through kind of like a loop alternating between each of these each day using pomodoro timers. May not always be the same ratio depending on where I'm at on the project and my comfort level (ie yesterday I spent all of them coding practicing basic activities and intents, but today I ran into why MVP, Sqlite, and fragments/app archetypes are useful so I spent a ton of time strengthening my general Java skills on the course and going through the android testing codelab)

Hour estimates

So based on that, how far will I have likely progressed with my understanding of Java and programming in general, completed apps on the play store, and android skills in 500, 1000, and 2000 total hours invested? Is that intern level? Junior developer? Mid-level? What do freelance prospects look like?

This will help me determine whether I want to double down my current 3 hour per day investment or not.

submitted by /u/outerspacecobol
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Disable Instant Run

Posted: 10 Dec 2016 07:48 PM PST

How the heck do you disable this? I have went to the settings and the option is grayed out. So I tried to just de-select all of the other options, still having problems with it. It won't let me disable Instant Run. I also can't disable it from within a project, I can only do it outside in the main menu. The option for Instant Run doesn't even exist when I'm in a project.

I have tried changing the gradle versions. I have tried uninstalling and reinstalling. I have tried setting the min sdk version to my current version on my phone. I am up to date on every-thing.

This is so frustrating. Why won't it just allow me to disable the dang thing?

submitted by /u/AbhorDeities
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Android Mutation Testing - Back from AnDevCon SFO 2016

Posted: 10 Dec 2016 07:21 PM PST

Why and how to use certificate pinning in Android.

Posted: 10 Dec 2016 01:35 PM PST

Hey /r/AndroidDev, I just got done publishing my first app to calculate file checksums. I'm looking for your input! (x-post from /r/Android)

Posted: 10 Dec 2016 03:03 PM PST

And here it is!

I made this app because I was downloading an OTA update from Google's Nexus images repository. Obviously, I wanted to make sure the image downloaded correctly, so I tried to run a SHA256 checksum on it. I downloaded 2 different apps, and tried checking with a couple different file explorers, and they either didn't work on my phone (Nexus 5X, 7.0) at all, or didn't have SHA256 capability! So I decided to make my own.

Please let me know if you can find any bugs in it, break it, or just have any recommendations. Definitely let me know if it doesn't work at all on your device. I know the UI looks pretty bland right now, so advice for that is welcome! This is my first real Android app, so be gentle :)

GitHub Repository

submitted by /u/Misker
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