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    Friday, June 1, 2018

    Weekly "anything goes" thread! Android Dev

    Weekly "anything goes" thread! Android Dev


    Weekly "anything goes" thread!

    Posted: 01 Jun 2018 05:41 AM PDT

    Here's your chance to talk about whatever!

    Although if you're thinking about getting feedback on an app, you should wait until tomorrow's App Feedback thread.

    Remember that while you can talk about any topic, being a jerk is still not allowed.

    submitted by /u/AutoModerator
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    Emulator 27.3.5 Canary

    Posted: 01 Jun 2018 10:05 AM PDT

    How to Make Apps for Children: Tips for Developing, Designing and Monetizing

    Posted: 01 Jun 2018 04:56 AM PDT

    Flutter or Kotlin, Which one is the future?

    Posted: 01 Jun 2018 09:32 AM PDT

    I don't know why Google supports both Flutter and the new Android Jetpack libraries. In my experience Flutter is much easier than traditional android development in addition, we have iOS support too, But on the other hand, Kotlin is much better than Dart. So, I'd like to know the future path of android development. I think we should migrate to Flutter (or other similar frameworks).

    What do you think?

    submitted by /u/SaeedMasoumi
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    Continuous integration saves up to 20% of work day.

    Posted: 01 Jun 2018 02:32 AM PDT

    Fun With Cutouts

    Posted: 01 Jun 2018 01:14 AM PDT

    Best Guide for Unit Testing for Absolute Beginners?

    Posted: 01 Jun 2018 01:51 PM PDT

    I've written a few apps, but I've never unit tested any of them.

    I've also never unit tested an application in general, although I do understand the concept of unit testing.

    Further complicating things is that my app generates its UI based off of a JSON file fetched from a server and I don't know how to simulate that in unit tests.

    Are there any really easy guides on how to unit test in Android that will enable me to unit test my app?

    submitted by /u/throwaway119284
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    Has anyone receive a question from Google I/O office hour?

    Posted: 01 Jun 2018 10:55 AM PDT

    This year at Google I/O (don't know about the other years} there was a Pixelbook where you could ask question and a Googler would get you an answer

    Pixelbooks will be on hand for attendees to leave questions and their contact info in case we're not able to meet with all interested attendees within the assigned timeslots Link

    I asked 5 questions, mostly related to the framework and I didn't receive a response. Has anyone receive a response?

    submitted by /u/eldimo
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    Do Androids Dream of UI Testing?

    Posted: 01 Jun 2018 01:22 AM PDT

    ViewModel in RecyclerView Adapter

    Posted: 01 Jun 2018 10:54 AM PDT

    If i had 1 activity, 2 fragments and a recyclerview in each of the fragments, how many viewmodels should be created if I'm using MVVM architecture?

    I'm a little lost with the correct way of doing this

    submitted by /u/NoEndlessness
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    Green Coffee - Running Gherkin Tests for Android

    Posted: 01 Jun 2018 09:39 AM PDT

    Does the /recovery partition contains another kernel?

    Posted: 01 Jun 2018 10:13 AM PDT

    The /boot partition contains the kernel and RAMDISK. Does the /recovery partition contains another kernel or when booting to /recovery it loads the kernel from /boot ?

    (I won't but just in case:) If I delete the /boot partition will I be able to boot the /recovery partition?

    submitted by /u/user_root
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    When implementing Ads and IAP in your Unity mobile games, how do you set it up with your bank accounts, what do we need to worry about etc?

    Posted: 01 Jun 2018 10:25 AM PDT

    Some information,

    I have developed a mobile game with my friend made in Unity. We don't have a company or anything of such sort. We are just two programmers who asked if the other were interested in doing a project together because of cool stuff, juiciness, and awesomeness.

    We have set up IAP in Unity, as well as Ads. We also have extra ad providers except for Unity: Heyzap, Admob, and Chartboost. Additionally, we have Heyzap as our mediation platform.

    When shipping our game, which legal stuff do we need to deal with, do we have to set up a bank account, create a company or what stuff do we have to look out for in general? Also, since we use Unity Analytics, do we have to do anything because of the new EU GDPR laws?

    We're both located in Sweden.

    Thanks in advance for helping two confused programmers in such inexperienced fields.

    submitted by /u/qvantry
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    How to handle realtime datafeeds that a service provides but will not allow access from their servers

    Posted: 01 Jun 2018 02:53 PM PDT

    I'd like to build an app that I've been thinking about for a while but something didn't occur to me before till I read the fineprint in regards to usage - that I can't directly point my app to the company's data feeds.

    If I want to still provide realtime data updates from a realtime data feed, how should I get started? I'm assuming I'd have to work with a provider of servers / bandwidth. My main concern would be the realtime nature of the data and what affects there may be going from the company to my own servers for access (as in delays)

    submitted by /u/andy_d0
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    In-app purchases required when my product is physical?

    Posted: 01 Jun 2018 07:12 AM PDT

    Greetings.

    My app is currently in beta but I'm wondering if it's necessary to build out in-app purchases for a small physical product that works with my app?

    I certainly want to, I'm just not sure how the review process will be impacted if my in-app purchases are for physical products?

    submitted by /u/alazi
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    XML String Resource Length Limit?

    Posted: 01 Jun 2018 02:44 PM PDT

    https://stackoverflow.com/questions/49878650/android-indexoutofbound-exception-for-resource-getstring

    https://www.reddit.com/r/javahelp/comments/89u1js/what_could_be_causing_an/

    The above seem to suggest that a restriction has been put into place limiting the size of a string resource.

    Is the max length documented anywhere and does anyone have any information as to why it's necessary?

    Thanks!

    edit: An IDE warning of the change would have been very helpful too....

    submitted by /u/cooldude255220
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    Precisely!! What are the mandatory features that player looks when downloading and further engaging in a game?

    Posted: 01 Jun 2018 02:20 PM PDT

    Each game claims to be addictive, engaging,fun,best etc etc. But apart from these well known characteristics what forces someone to download and play a mobile game?

    submitted by /u/mack2087
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    Invalidating DataSource in Arch Comp Paging Library.

    Posted: 01 Jun 2018 06:29 AM PDT

    As the title suggest, I am trying to do that; for example when I pull-to-refresh I want the paging lib to load data from page 1; same goes when I adjust a filter, I want to reload data with different params in the url.

    Since the DataSource is created by the DataSourceFactory and I pass the factory to LivePagedListBuilder, I am not sure how to properly access the data source so I can call invalidate on it.

    submitted by /u/adrian110288
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    Is it possible to UI test custom UI components? (The kind that are derived from View and are rendered entirely in the onDraw method.)

    Posted: 01 Jun 2018 01:46 PM PDT

    How do you test a custom drawn UI View components? Not custom ViewGroups and whatnot. Not unit or integration tests, either. But, simulate touch events and verification of state changes within the control? Is it possible? Can it be done with the emulators?

    E.g., let's say that a use case would be to touch down on a rectangle at a known position, touch move to drag the rectangle, and then verify that the rectangle is at the new position?

    How would one do this?

    submitted by /u/DOOMReboot
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    Compiling from ARM

    Posted: 01 Jun 2018 12:10 PM PDT

    I'm trying to find instructions for compiling for android from ARM linux, can anyone point me in the direction of a tutorial?

    submitted by /u/Jerrimu
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    How are you testing Play store prices?

    Posted: 01 Jun 2018 04:30 AM PDT

    I was wondering how you get a sense if and how much you can charge for your app in the Play store?

    I know that Google Play Experiments help you runnung A/B tests on graphics and text, but is there a ways to understand how much users are willing to pay – if at all – for an app? I was thinking about setting different prices for different countries, but this is imo not a qualitative test.

    submitted by /u/bkfh
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    Right to erasure (right to be forgotten) in connection to AdMob, Google Analytics and others

    Posted: 01 Jun 2018 05:58 AM PDT

    I have an app which collects data for ads, analytics and crash logging. Such data is processed by third-parties only. I also collect e-mails, when being sent one.

    Few of my users contacted me by e-mail and demanded erasure of their collected data. Erasure of the data I process was easy - just making sure I do not have any e-mail from them - I delete them regularly.

    Problem lays with third parties. As I understand, I need to let them know when user requests erasure of his data, according to GDPR Art. 17(2)

    Where the controller has made the personal data public and is obliged pursuant to paragraph 1 to erase the personal data, the controller, taking account of available technology and the cost of implementation, shall take reasonable steps, including technical measures, to inform controllers which are processing the personal data that the data subject has requested the erasure by such controllers of any links to, or copy or replication of, those personal data.

    I am currently searching for information on how to perform it and so far I only found information on how to delete such data in Google Analytics.

    Does anyone know what to do in case of AdMob or Facebook's Audience Network? Those are two of the ads networks I am using. I have sent them e-mails asking about that, but with no response yet.

    submitted by /u/Kogerro
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    How to cut part of the image which is loaded with picasso

    Posted: 01 Jun 2018 09:11 AM PDT

    So I made an app which pulls radar image from certain website with picasso and it works perfectly but there is a part of the image which is naturally there which I dont want in the app which I want to cut out, crop so its not there anymore and I dont know how can I do it..

    Here is the picture: https://i.imgur.com/yhICr4H.png

    I want to cut out part of the image which is in red square, I tried using setScaleX and setScaleY but that just moves the picture and doesnt crop that part of the image which causes issues only screen sizes which are different resolutions/ dpi's

    submitted by /u/Towelielie
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    Android and Ales - The Impact of Mobile Development at Amazon

    Posted: 01 Jun 2018 07:19 AM PDT

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