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    Android Dev - App Feedback Thread - December 31, 2021

    December 31, 2021

    Android Dev - App Feedback Thread - December 31, 2021

    App Feedback Thread - December 31, 2021

    Posted: 31 Dec 2021 06:00 AM PST

    This thread is for getting feedback on your own apps.

    Developers:

    • must provide feedback for others
    • must include Play Store, GitHub, or BitBucket link
    • must make a top level comment
    • must make an effort to respond to questions and feedback from commenters
    • app 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 will be removed. Please make an effort to contribute to the community before asking for feedback.

    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.

    submitted by /u/AutoModerator
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    Do you also have this problem?

    Posted: 31 Dec 2021 08:24 AM PST

    How to hide the secret keys from reverse enginnering in order to decrypt a file that was encrypted in PHP?

    Posted: 31 Dec 2021 03:40 AM PST

    I have an encrypted json file that I generated in a web app, and I would like to open it in the Android app:

    private fun decrypt(encrData: ByteArray): String {

    val key = "mySecretKey123".toByteArray() val iv = "mySecretIv".toByteArray()

     val localCipher = Cipher.getInstance("AES/CBC/PKCS5Padding") localCipher.init(Cipher.DECRYPT_MODE, SecretKeySpec(key, "AES"),

    IvParameterSpec(iv)) val data = localCipher.doFinal(encrData)

     return String(data, Charsets.UTF_8)

    }

    If I reverse engineer the app, I can extract these "private" keys: "mySecretKey123" and "mySecretIv" and the json file content can be stolen. How do I obfuscate or hide these keys?

    submitted by /u/leontin91
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    Need Someone to help me in Small project

    Posted: 31 Dec 2021 02:25 PM PST

    I need a guy who can help me in android development. I'm not expert so I need someone to help me I'll pay for that.

    The app I'm building is only 2 screens app using API. First screen is a login screen

    Second screen Need 3 subscription options to limit app usage per day. App should be run in background/foreground Some work with notification

    That's all I can do all the API work because both screen needs API work and I need help in rest of that.

    submitted by /u/latestexample
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    Motionlayout corrupted animation when using ExoPlayer

    Posted: 31 Dec 2021 11:38 AM PST

    I am using Motionlayout but when i want to back to start transition it's like corrupted animation when using ExoPlayer, any solution?thanks

    submitted by /u/diyar_gulli
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    In-app purchases, pending state - how to handle for the client?

    Posted: 31 Dec 2021 11:00 AM PST

    Hi everyone.

    Quick question on IAPs, in particular, pending states. So I'm referring to the "Accept - slow response" and "Decline - slow response" (I can't remember the exact names) when testing IAPs in test mode, with the test cards.

    How do you handle these pending payments in the app? Do you show some sort of notifications/text to inform the user what's happening?

    In truth, I can't remember how this works in the real world (in non-test mode). With the test card, I just get some text stating "the payment will be cancelled in a few minutes."

    So I guess my question is more, can I rely on the prompt/functionality built in by Google to handle this for me? Or should I show a dedicated screen if the payment isn't successfully purchased instantly to keep the user in the loop?

    Any other insights on purchase flow (client side) would be good too.. I'm finding the documentation slightly lacking.

    Weird question maybe, but thanks for any input!

    submitted by /u/AFallingWizard
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    U'll help the next Mark Zuckerberg in making by clearing this doubt , May u pls !!!

    Posted: 31 Dec 2021 03:35 AM PST

    I aim to become an Android dev with Java but currently I have a pc so outdated that it can't even open Android studio, after researching a bit it seems like there's no alternative of Android Studio, If I'm wrong can u suggest an alternative,

    Thanks❤ in advance for ur precious time & advice & Sorry for "clickbatish" title 😜

    submitted by /u/revolutionizer019
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