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    Friday, April 30, 2021

    Home Unlabelled Weekly Anything Goes Thread - April 30, 2021 Android Dev

    Weekly Anything Goes Thread - April 30, 2021 Android Dev

    April 30, 2021

    Weekly Anything Goes Thread - April 30, 2021 Android Dev

    Weekly Anything Goes Thread - April 30, 2021

    Posted: 30 Apr 2021 06:00 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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    Google I/O 2021 schedule is out

    Posted: 30 Apr 2021 08:33 AM PDT

    Google is cracking down on scammy Play Store app listings

    Posted: 30 Apr 2021 04:42 AM PDT

    How to save pictures after the new policy changes?

    Posted: 30 Apr 2021 02:42 AM PDT

    My app offers a feature that let the user to choose pictures from your local device and shown them.

    Since now Android is obligating to point to the 30 SDK before August 2021, and this SDK deprecates the permission WRITE_EXTERNAL_STORAGE it will not be possible to read/save pictures in the "old way" using the File class.

    So I refactored the app to use MediaStore API and I removed android:requestLegacyExternalStorage="true" from the AndroidManifest . I also removed all the logic regarding the WRITE_EXTERNAL_STORAGE permission because I understood that for MediaStore is not needed anymore and I changed for READ_EXTERNAL_STORAGE. Which is (still) permitted to use.

    After this change, it works fine in Android Q devices, I can read and write without any more permissions. But is not working with devices with android version lower than Android Q, even using MediaStore I receive Permission Denial: writing com.android.providers.media.MediaProvider uri requires android.permission.WRITE_EXTERNAL_STORAGE, or grantUriPermission().

    At this point I don't understand anymore how I have to do to be able to save pictures in lower versions than Q because I see that I still need this permission.

    My questions are: This changes that I need to do regarding the WRITE_EXTERNAL_STORAGE
    and the use of MediaStore are only affecting to the Android Q or above devices?

    Should I leave the old logic (File class and WRITE_EXTERNAL_STORAGE permission) for versions lower than Android Q? If yes, android:requestLegacyExternalStorage="true" will still work for these versions?

    If not, how can I save pictures using MediaStore
    without using WRITE_EXTERNAL_STORAGE?

    submitted by /u/enoler
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    How should I differentiate free and paid version of an app?

    Posted: 30 Apr 2021 10:14 AM PDT

    The new guidelines and policies for app branding will be in effect soon - https://android-developers.googleblog.com/2021/04/updated-guidance-to-improve-your-app.html

    And I have 13 apps with free (limited features) and full (paid, full features) versions.

    Currently they have a word "Free" in name and a green label "FREE" at the bottom of app icon. Apparently, this is against new policies. What is the recommended way of differentiating such apps?

    submitted by /u/keaukraine
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    KMMT : Kotlin Multiplatform Mobile Template ( Kotlin Multiplatform Mobile Development Simplified )

    Posted: 30 Apr 2021 09:07 AM PDT

    KMMT : Kotlin Multiplatform Mobile Template ( Kotlin Multiplatform Mobile Development Simplified )

    KMMT is a KMM based project template designed to simplify the KMM development. It uses a simplified MVVM approach that can be shared both in android and iOS easily.

    Primary objective of this project is to help KMM Developers & promote KMM technology

    https://github.com/jittya/KMMT

    ​

    https://preview.redd.it/apt74s334cw61.png?width=1280&format=png&auto=webp&s=99ef3236a789ccc2da980295b8c7b1287eaacdc5

    submitted by /u/jittya
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    Write to Android/data folder, android 11

    Posted: 30 Apr 2021 03:53 PM PDT

    Is there any news? xplore or solid explorer allow to read and write to sub-folders of android/data. Is the method used allowed by google?

    submitted by /u/paolo4c
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    Salaries

    Posted: 30 Apr 2021 06:42 AM PDT

    Hi guys,

    I'm an Android Dev based in Wales, UK. I have a salary review in 4 months time at which time I will have 3 years commercial experience. I'm currently on 32k and just wondering what peoples opinions are on what I should be expecting / asking for in terms of salary? Also, interested to know what you guys are on if you're up for sharing ;)

    submitted by /u/scott_89o
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    Google pixel 4 can't connect to VoLTE

    Posted: 30 Apr 2021 02:14 PM PDT

    Dear developers, I have an trouble with connectivity. My pixel 4 support volte and band 20 and my carrier does it. But my carrier don't enabling it from him, so when I insert the sim card into phone and select cellular 800 from ##4636## and select LTE, cdma, ... (prl), then wrote carrier apn settings for LTE and setting for ims, exact like carrier sad me, but that don't work, so data transfer work by LTE but phone calls not, the switch in sim settings for volte doesn't appear and ##4636## sad that it is not connected to ims and volte disabled. I tried many things, I called my carried, they said if no way to enable volte, then we can't connect to our network. My phone now working only internet, phone calls can't make, and can't send sms too. My phone is from verizon and I can't get root access, because oem unlock is gray out in developer settings. I checked xda-developers, and find only for one plus additional deal number to volte compatibility check switch, but nothing for my pixel phone. I would be happy if you read that and do something to help not only me, but make possible to have more options to setting up the phone. Found 2 ways how to make it possible: first, like mentioned it up, to make additional deal number to check and uncheck volte compatibility, and second not to hide switcher in sim settings, and to take it for user and it can be hided in developer settings. Thank you for read that and have a nice day!

    submitted by /u/xandudex
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    How to hide "Developer Options" from other apps?

    Posted: 30 Apr 2021 01:48 PM PDT

    This isn't much of a development question, but I build android apps for a living, recently my bank's app started alerting when you have the developer options enabled in the device, I guess to try an mitigate any security risks.

    So it's kind of annoying having to disable/enable any time I want to log into my bank account. Is there a way to hide this from the app? should I just deal with it?

    submitted by /u/inHumanMale
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    What is your experience and tips for driving game app downloads via paid ads platforms like Facebook Ads, Apple Search Ads, Youtube ads, etc...?

    Posted: 30 Apr 2021 12:24 PM PDT

    I want to drive some paid ads to get app installs for my game app.

    We've been running the game app for over 6 years and been running Apple Search Ads for about 3 years for iOS version.

    But recently we added AppsFlyer ad tracker and now it allows better ad tracking for LTV (lifetime value) of installs.

    Therefore, I want to expand and experiment with more ad platforms like Facebook ads, Instagram Ads, Google Ads, etc....

    Questions:

    1. Which ad platforms have you found to be MOST EFFECTIVE when driving installs for your game app?
    2. Any specific tips when driving installs for iOS game app via paid ad networks using attribution systems like AppsFlyer

    ​

    Thank you for your time!

    submitted by /u/WallStreetVids
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    Mail notificationfor every sms i got on my android device with its content

    Posted: 30 Apr 2021 09:09 AM PDT

    I would like to understand how can i make something like an app for my android phone, that will send me a mail every time i get a new SMS on my device.

    Is an app the right way to do it? can i create an app that will have access to my unread SMS messages that will be able to pull their text content and send it via mail?

    Ive searched for a solution online but couldnt find anything that doing exactly what im trying to do here.

    Im a novice coder and this idea popped out to my head and i would like to learn how i can implement such thing if its even possible.

    Thanks!

    submitted by /u/Suitable_Hearing_950
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    Optimizing Android app startup time

    Posted: 30 Apr 2021 05:13 AM PDT

    The Reason for Admob Ad Serving Limit

    Posted: 30 Apr 2021 02:20 AM PDT

    Hi,

    After a lot of testing and a few accounts limited I found out what the reason is. For example, my app gets very little organic traffic, however, I advertise it through Google Ads and Facebook Ads. I test out different countries every 3-4 days or so. For the past 4 days, I was running £100 a day in the UK, US, and AU. However, I didn't see any good results there so I decided to test other parts of the world but to exclude some Tier 3 countries such as India, Pakistan, Bangladesh, etc.

    Today when I started the new campaign which included most countries in the world and of course I get much cheaper and higher traffic from there and so more ad requests and impressions, boom my account is limited again.

    There you go the algorithm is bugged and probably is going to be fixed soon I hope. Somehow, someway Admob devs decided that this is a good reason for the limitation :D. I don't know what kind of a retard you must be to do it like this.

    submitted by /u/kovachxx
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    A dev news telegram channel for Android devs

    Posted: 30 Apr 2021 06:27 AM PDT

    Is there any free API to read the current price of currencies?

    Posted: 30 Apr 2021 06:24 AM PDT

    Hey there, I wanted to know if there is any API to read prices from currencies.

    From money like USD or EUR to BTC.

    Thank you very much!

    submitted by /u/MrNasico
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    Passwordless Mobile Authentication with Android using the tru.ID Mobile Authentication Platform

    Posted: 30 Apr 2021 02:15 AM PDT

    Tool to get overview of released versions/markets? Play Store doesn't cut it

    Posted: 30 Apr 2021 02:12 AM PDT

    Hello there! We have multiple apps that share the same codebase. We sometimes need to hotfix them or add a market. Usually this works out, but in 2% of the cases there are small issues, for example I only add the market but forget to push the alpha release to production.

    In order to make these issues very apparent, I would like to have a tool which shows me the x apps I have, which markets it has enabled and which releases are in which track. Does something like this exist, or do I have to code it myself? :D

    submitted by /u/carstenhag
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    Upcoming Play Store listing policy changes. I like them for once.

    Posted: 29 Apr 2021 12:00 PM PDT

    Android Emulator “Allow USB Debugging” dialog closing right after showing

    Posted: 30 Apr 2021 12:37 AM PDT

    It does not happen on all emulator configurations, in my case it is on Nexus 10 API 30, with Google Play enabled (that's another story), both x86 and x86_64 CPU/ABI.

    "Allow USB Debugging" dialog is shown just for a short time, not long enough to allow the debugging and for that reason Android Studio doesn't see device coming on-line.

    I tried to slow the emulator down by changing settings and setting CPU as a single core, but it didn't help. Wipe data, cold boot helps (not every time) and I can't do this each time I need this emulator.

    Anyone has a solution?

    submitted by /u/BinarySolutions
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