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    Thursday, January 4, 2018

    Home Unlabelled The Dex File Format Android Dev

    The Dex File Format Android Dev

    January 04, 2018

    The Dex File Format Android Dev

    The Dex File Format

    Posted: 04 Jan 2018 10:46 AM PST

    An easy way to check that your UI is intuitive enough

    Posted: 04 Jan 2018 03:10 PM PST

    How We Improved Our Android App “Cold Start” Time by 28%

    Posted: 03 Jan 2018 09:14 PM PST

    Android Testing pt. 1.3 | Robolectric

    Posted: 04 Jan 2018 03:12 PM PST

    RecyclerView Animations and Behind the Scenes (Android Dev Summit 2015)

    Posted: 04 Jan 2018 06:14 AM PST

    What is really the right way to share a complex object across config changes, multiple activities and other android components?

    Posted: 04 Jan 2018 11:19 AM PST

    We've all see the dozens of examples out there to share your little strings, integers and other basic objects or primitives. But what about a heavy complex class? How am I supposed to pass this object off to a new activity or restore its state on configuration changes?

     

    An example I'm thinking of is say a large presenter object on a Fragment. The activity sets the presenter on the Fragment when it shows this Fragment. However now lets says after showing, the user rotates the screen. Android restores the Fragment but the presenter is lost. Since the Fragment is restored my activity doesn't create it again nor will it provide a presenter for it. What are your approaches to this?

    submitted by /u/GreenAndroid1
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    Want to create an OCR app - strong programmer, but no Android dev experience...

    Posted: 04 Jan 2018 11:32 AM PST

    Would you guys recommend taking a full Udemy style course, or just diving straight in to an online tutorial? Or should I start with teaching myself Java?

    I'm already proficient in Python, VB and (kinda) C++

    Thanks!

    submitted by /u/thrillhouse1988
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    What is the best way to store user login information? (New Developer using Xamarin)

    Posted: 04 Jan 2018 08:28 AM PST

    Hi there, I have recently started a project which requires the user to create an account using a username and password. The user should then be able to login using these details at anytime providing the device has access to the internet. From what i understand, this user information would be stored on an online database. Once the user inputs their details, the database will be queried and will either find a data entry that matches, or will not allow the user to login.

    As i'm fairly new to android development, i'm not too sure as to how this all works and any help would be appreciated.

    Please note, i am using Xamarin to develop this application.

    submitted by /u/Sam12543
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    first Impressions about Googles Flutter - by a senior Android Developer

    Posted: 04 Jan 2018 12:13 PM PST

    Using Extension Functions and Operator Overloading on SpannableStrings.

    Posted: 03 Jan 2018 08:50 PM PST

    New to Android development. Feeling very overwhelmed.

    Posted: 04 Jan 2018 06:31 AM PST

    tl;dr: started android dev, realized tutorial courses didn't prepare me for the huge amount of libraries and shit I had to know, now feeling overwhelmed and have no idea how to proceed, and feeling like ive run out of time

    Wall of text: So I'm a sophomore studying com sci and I've been interested in Android since its early days. However, I only got into developing for Android last summer. I started by going through The Complete Android N developer course on Udemy, and while doing the course I thought it was pretty thorough. But then when I finished the course and looked at a few other resources, such as the Busy Coder's Guide and Head First Android, I realized I didn't know shit about fragments or activity lifecycles. Even Udacity's Advanced Android App development didn't help much as it pretty much gave you the entire code with a method or two to fill out. And then I started seeing posts about having minimal activities and mostly fragments for UI. I came across MVP and then discovered a whole world of different ways to architect my app like MVC, MVVM, Clean, etc. At that point I didn't even know they were called "architectures", I thought they were design patterns. And was I surprised to discover a whole list of different design patterns through https://github.com/kamranahmedse/design-patterns-for-humans .

    Then I learned about the use of libraries, such as ButterKnife, Retrofit, Dagger, etc. And then apparently reactive programming became a thing and I had to know RxJava too. And then Kotlin came along and everyone was talking about Kotlin while I was still trying to understand the process of adjusting your apps for different screen sizes. I tried looking at sample open source projects on Github, but I saw so many different classes and folders, while the tutorial apps i built had only a few classes. I couldn't read the code as I had no idea where to start. All this in a span of a little over a month. I couldn't find time for Android once my semester started (although in retrospect I realize I had plenty of time I just fucked it up).

    So now that it's my winter break, I decided to go through each of these things one by one, and decided to implement them in a large app. I started with butterknife, but then I learned Google had their own data binding library for about a year now. There was also Dagger 2, which was a little different from Dagger. And what the hell is realm and room and data persistence? When should I use shared preferences vs SQLite vs Firebase? Why is my Android folder 4 GB, should I not be having all these different emulators and API levels installed? I'm just so lost and overwhelmed, I just don't know where to begin. There just seems to be no time and the tech industry is competitive as hell. Idk just wanted to let it out somewhere and maybe you guys can point me in a direction or something.

    submitted by /u/yellowsilence
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    Fastlane �� your Android App — Build and upload APK to Slack

    Posted: 03 Jan 2018 11:47 PM PST

    How to monetize your app

    Posted: 04 Jan 2018 03:16 AM PST

    Besides ads, what techniques have you used to monetize your app?

    submitted by /u/_ferrell_
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    Android notification when app is in background

    Posted: 04 Jan 2018 02:01 AM PST

    Hello guys!

    I'm trying to solve a problem. I'm developing an app that push notification every 2 hours if certain statement is correct even if my app is in background or not even running. How can I do it? Please help me.

    submitted by /u/BodyBilders
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    MDroid - A Material Design client for FDroid !

    Posted: 03 Jan 2018 05:13 PM PST

    New part of Programmer Dictionary: Function literal with receiver vs Function type with receiver

    Posted: 04 Jan 2018 01:15 AM PST

    I'm done with code tests! (rant inside)

    Posted: 04 Jan 2018 03:20 AM PST

    It's the same every time. You spend 2-3 days working on a coding task. Try your best to come up with elegant solutions to the problem you're given. Write a bunch of unit tests to prove how awesome your code is and when you send it in you get back 3 measly comments about how there was a compile time warning that you forgot to address. Or about you didn't put all your compute intensive code off the main thread. And when you ask them where you did that - because you're pretty sure you fucking didn't - you're told that "the logcat seems to suggest that" and "I'm sorry but we will not proceed with your application".

    I mean what the fuck? I'll never do one of these tests again unless I am GUARANTEED I will have a face-to-face meeting with the person reviewing it afterwards. I'm not your fucking donkey and if you can't be bothered to give me a chance to explain my work you can take your job and shove it where the sun doesn't shine!

    submitted by /u/magicbluepenguin
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