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    Thursday, February 28, 2019

    Home Unlabelled Material Components 1.1.0-alpha04 Released - New extended FAB added Android Dev

    Material Components 1.1.0-alpha04 Released - New extended FAB added Android Dev

    February 28, 2019

    Material Components 1.1.0-alpha04 Released - New extended FAB added Android Dev

    Material Components 1.1.0-alpha04 Released - New extended FAB added

    Posted: 28 Feb 2019 09:48 AM PST

    New Android Project: The Most Important Decisions

    Posted: 28 Feb 2019 11:58 AM PST

    Created a library for recently upvoted bottom bar UI. If any one is interested

    Posted: 28 Feb 2019 12:45 AM PST

    Hi,

    Saw a UI design recently on this sub reddit and it was upvoted by lot of folks so I thought I should make a library and so I did.

    Here is the link - https://github.com/AkashBang/Engorgio-Bottom-Bar

    ​

    I am open to your feedback.

    submitted by /u/AkashBangad28
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    Titanium Backup is back on Play Store!

    Posted: 28 Feb 2019 09:15 AM PST

    Android Security Improvement update: Helping developers harden their apps, one thwarted vulnerability at a time

    Posted: 28 Feb 2019 01:08 PM PST

    Google Places AutoComplete EditText - A simple library that can connect your autocomplete edit text to Google Places API

    Posted: 28 Feb 2019 03:02 PM PST

    A quick guide to get Android FIDO2 APIs working in an app

    Posted: 28 Feb 2019 12:33 PM PST

    Power Up Your UseCases With States and Coroutines in Android

    Posted: 28 Feb 2019 09:09 AM PST

    Cross-platform mobile development tools

    Posted: 28 Feb 2019 04:39 PM PST

    I have seen some cross-platform development tools (iOS and Android) for mobile development. Specifically I am referring to Flutter, but I would like to hear about which ones you feel might be better. How well do they tend to work? Do they get the major brush strokes well and only tiny things here and there need slight platform specific tweaks? Or do they make things harder than necessary?

    ​

    Am I correct in understanding that platform specific code is generally written in that platform's language (Kotlin/Java and Objective-C/Swift), so it is important to know all three sets of code?

    submitted by /u/OzzieOsborn01
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    I also created a library for the recently uploaded bottom bar UI

    Posted: 28 Feb 2019 02:58 PM PST

    I saw this post recently and thought I'd give it a shot.

    Github repo is here in case anyone is interested! I'm more than receptive to any feedback / additional features anyone is looking for.

    submitted by /u/joebrothehobo
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    Completely new - android or Java class first?

    Posted: 28 Feb 2019 05:39 AM PST

    If I'm interested in learning Android app development with no programming experience would you suggest an android focused course first (udemy rob Percival or udacity Android) or a deep dive into Java with udemy Java masterclass by Tim buchalka first?

    Thank you

    submitted by /u/Turbo170234
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    android NDK + SDL2 + Rust lang ... how

    Posted: 28 Feb 2019 12:17 PM PST

    any idea on what the most elegant way to get rust code running with SDL2 on an android device.

    Ive used rust on android in the past but using my own ad-hoc platform layer hacked into a native-activity sample (i.e. pure C + rust, no java). this example just compiled a rust library and some C, and linked them into one .so . It seems SDL2 is more complex in that it needs it's own java stub (i presume to streamline reading all the io events)... I dont know my way around the modern android build tools, or the SDL2 build scripts.

    submitted by /u/dobkeratops
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    How to reward with amazon giftcards?

    Posted: 28 Feb 2019 10:03 AM PST

    Me and a friend want to make a rewards app, with an offerwall watchable ads etc...

    I had the doubt about how to let the users cash rewards such as amazon giftcards or vbucks.

    submitted by /u/GeorgeTheNoob
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    Geolocation by IP without permission - Allowed?

    Posted: 28 Feb 2019 12:14 PM PST

    A question came up at work today, and I don't know the answer - if we use a service that geolocates users based on IP address (like Akamai), do we have to ask permission before we do that? It's not using the device's location, it's using the IP addressed based on requests to out servers, basically. Just not sure the rules around doing that.

    Of course, there's also the perception - if a user opens an app that they just installed, and we seem to know where they are without asking, how would they react? I'm not convinced it is a great idea, so that's a whole other question, but for now, I'm interested in the "legality" of it (so to speak).

    submitted by /u/jkane001
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    Issues downloading Android Studio from the website

    Posted: 28 Feb 2019 11:51 AM PST

    Greetings, so I am trying to re-download Android studio.

    ​

    But I can't seem to be able to download the app from https://developer.android.com/studio/

    The same issue is occuring both on my desktop computer running windows, and my laptop running macOS Mojave. I've tried Chrome, Firefox, Safari and Edge. And neither seem to be able to download. Nothing happens when I click the download buttton.

    ​

    Is it just me, or?

    submitted by /u/ukon1990
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    I made a highly customizable library for the recent popular Bottom Bar UI. Have a look at it...

    Posted: 28 Feb 2019 03:31 PM PST

    I made a highly customizable library for the recent popular Bottom Bar UI. Have a look at it...

    ​

    Processing gif f9agu4uv4ej21...

    Hi r/androiddev,

    I recently saw a really cool Bottom Bar UI on this sub-reddit (post link) . It was up-voted by a lot of people and looked like the demand for it was very high.

    Here's the GitHub Link: https://github.com/gauravk95/bubble-navigation

    Since, I had no active projects and was getting really bored, I decided to make a library based on the above UI.

    bubble-navigation is a light-weight, highly customizable library that is available via JCenter. It has multiple display modes for various use case. Bonus, it consists of a BubbleToggleView, that can be used as a separate UI Component or your own customized navigation bar.

    ​

    Hope you like it! Enjoy coding and make cool stuffs...Don't forget to give it a star on GitHub, if you like it...

    ​

    Would love to hear from you guys! I am always open to feedback...

    ​

    Thanks!

    ​

    submitted by /u/19gauravk95
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    activity!!

    Posted: 28 Feb 2019 07:31 AM PST

    I've recently come across an otherwise unremarkable blog post that stuck in my mind due to a comment made by someone very active in various Android development communities, including this one. The comment ripped into the blog post author for "misusing Kotlin" in various ways, one of which was using ? to access what the commenter called "actually non-null platform types". Such as referring to activity in a fragment. Apparently the "right" way to do this is

    val Fragment.requireActivity: Activity get() = activity!!

    I am not a huge fan of littering ? everywhere myself, but in my mind one !! is worse than a hundred ?s. Maybe my judgment is clouded by too much iOS development, where ! is casually referred to as the "crash operator"...

    Anyhow, I was wondering what others think of this. Do you wholesale refer to "actually non-null platform types" with !! ? And if so, are you at all concerned that Fragment.activity can actually and quite literally be null?

    (I am also compelled to say that the Android platform being what it is, I am not judging anyone for any solution that helps them keep their sanity.)

    submitted by /u/pgriss
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    Android app design question

    Posted: 28 Feb 2019 11:06 AM PST

    Hello fellow devs!

    I am designing an Android app that collects continuously inertial data (from accelerometers and gyroscopes) for experimental purposes, packs them into chunks and sends them to the cloud.

    I don't need real-time performances so I can store data into binary files and, when it's "convenient", I send them to the cloud

    The collection and relay need to run 24/7

    I am ok with one or two activities, no reactive UI and fancy stuff. Maybe one login and the second one that starts all the processes

    Up to know I have prototyped one activity that listens to sensors and fills a buffer with the readings. When the buffer is full a thread is spawned, in this thread I open a new file and write the bytes on it from the buffer. At some point I have to design the uploading module, when I have N files I will upload them to the cloud.

    It seems to work in this way but I have a question:

    Is it there a better design pattern for this kind of application, maybe with background techniques?

    I know that there are many classes that can handle the job like JobSchedulers, background and foreground services (according to android docs background services have an enormous amount of limitations right now, I think I cannot use them) or jetpack WorkManager, but I am having a hard time in finding the right one, if needed.

    Any help, suggestion or remark is appreciated, thanks!

    submitted by /u/SaucyParamecium
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    Is Native ad support coming soon for the developers?

    Posted: 28 Feb 2019 06:57 AM PST

    Of late I've started seeing that the YouTube app is having native ads integrated into it. Does that mean that it will soon be made available to the general developers too? I'm keen on integrating native ads in my app.

    submitted by /u/Adarshkl
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    Does anyone have a lot of connection issues with the default google repository?

    Posted: 28 Feb 2019 09:42 AM PST

    I test my Android project in CI, but I keep running into a lot of flakiness issues, always with the default google repository (https://dl.google.com/dl/android/maven2/...). Around 1 in 10 builds fails due to a "connection reset" with dl.google.com while downloading a dependency. We have already increased our HTTP timeout to 1 minute and the number of retries to 5.

    ​

    Since I am relatively new to Android, I thought I would ask if anyone has experienced these issues in the past. Is this common? Are there common ways to get around this? We've considered caching, but we only really want to cache dependencies and not the build itself.

    ​

    Edit: We are also using Gradle 5.2, which includes retries with exponential backoff

    submitted by /u/tomrom
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    How to specify a style for a view programmatically in Android

    Posted: 28 Feb 2019 04:19 AM PST

    How do you replace a fragment when an item of a recyclerView is clicked in Kotlin?

    Posted: 28 Feb 2019 08:58 AM PST

    So my project has 1 parent activity and I simply just replace the fragment when the user transitions to another view. I'm new to Kotlin (but have been doing Android Development for a little over 2 years with java), and I wanted to know know how I can replace the fragment to open the detail page for the selected item in the reyclerview. Unfortunately I can't seem to figure out how to get the SupportFragmentManager into the RecyclerAdapter ViewHolder class without getting the error that the Activity has been destroyed, even though the activity is clearly still alive.

    submitted by /u/pculv
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    Fragment testing with AndroidX

    Posted: 28 Feb 2019 11:24 AM PST

    Has anybody used this api to test their Fragments: https://developer.android.com/training/basics/fragments/testing ?

    If so, I'd like your feedback.

    submitted by /u/IgorGanapolsky1
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    Any way to stop music app from pausing during a phone call? Force music to play over call?

    Posted: 28 Feb 2019 10:30 AM PST

    I have a bluetooth voice recorder and I'd like to sing over a music beat. I'd be using an app like SoundCloud and my goal is to play a song over SoundCloud, switch over to the voice recorder app which treats a recording as a call, start record while the SoundCloud music is being forced to play over the recording.

    Is this possible at all? I've tried looking for apps like this and I couldn't find any. I also am using Easy Voice Recorder Pro if that helps.

    Any help?

    submitted by /u/i-Wayfarer
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