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    Android Dev - Reverse engineering Flutter apps

    April 17, 2022

    Android Dev - Reverse engineering Flutter apps

    Reverse engineering Flutter apps

    Posted: 16 Apr 2022 06:04 PM PDT

    Reverse engineering Flutter apps

    I recompiled flutter and wrote a tool that allows you to output offsets to functions and intercept application traffic.

    https://github.com/Impact-I/reFlutter

    Key features:

    • socket.cc
      is patched for traffic monitoring and interception;
    • dart.cc
      is modified to print classes, functions and some fields;
    • display absolute code offset for functions
    • contains minor changes for successfull compilation;
    • if you would like to implement your own patches, there is manual Flutter code change is supported using specially crafted Dockerfile

    https://preview.redd.it/n64ziw2slzt81.png?width=3908&format=png&auto=webp&s=ec28f9a2868c31d8e1a30916676a1c3ce93c28ff

    submitted by /u/lmpact_
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    Set Up Koin Scope Access Illustrated

    Posted: 17 Apr 2022 05:30 AM PDT

    Notification sound stops when opening control panel

    Posted: 17 Apr 2022 01:51 AM PDT

    I am writing an app that makes a notification with a custom sound, it works but when I open the control panel of android suddently it stops. Does anyone know what this problem is and how to fix it?

    submitted by /u/MikaWazowski
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    How can I debug recompositions in Jetpack Compose?

    Posted: 16 Apr 2022 09:58 AM PDT

    How can I update Json file with Gson?

    Posted: 17 Apr 2022 03:23 AM PDT

    I have a Json file like this:

    { "state" : { "reported": { "mode": { "type": "onboard" }, "location": { "lat": 36.72157, "lng": 28.961087, "accuracy": 1.1 } } } }

    I want to update type value in mode from onboard to protection.

    shadow = DemoMockData.shadow(context) val states: JsonObject = shadow.jsonData.getAsJsonObject("state") val reported: JsonObject = states.getAsJsonObject("reported") val mode: JsonObject = reported.getAsJsonObject("mode") mode.remove("type") mode.addProperty("type", "protection") setManager(shadow)

    I wrote this code but when I call setManager(shadow) method, mode still shows "onboard" value.

    I would be very grateful if you could help me. Thank you.

    submitted by /u/kaanfrt
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    Can I introduce ads in a later version of my app? Settings in play console ;

    Posted: 16 Apr 2022 08:25 AM PDT

    There is an option on play console regarding ads by the apps. Does your app contain ads? Yes/No ​ Let's say in version 1 I don't have any ads in the app. Later on‍ in version 2 I place ads. Can I change the above option from No(for version 1) to Yes(in version 2) later on? Or is it something to be considered before release?

    submitted by /u/VoraynDracona
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    Trying to get intents for any package is always null in kotlin

    Posted: 16 Apr 2022 09:47 PM PDT

    I'm trying to open an app when a button is pressed and the intent is always null, this is my code

    ​

    val intent: Intent? = applicationContext.packageManager.getLaunchIntentForPackage("org.mozilla.firefox") intent?.addCategory(Intent.CATEGORY_LAUNCHER) if(intent != null){ applicationContext.startActivity(intent) }else{ Toast.makeText(this, "intent == null", Toast.LENGTH_SHORT).show() }
    submitted by /u/Comprehensive-Art772
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    give a self-taught androiddev a motivational words

    Posted: 16 Apr 2022 05:41 PM PDT

    wassup guys, I dropped out of college and I've started a journey to be a native android developer 5 months ago

    started from knowing nothing to knowing how to build an app with fragments, navigation control, MVVM structure, and do an API request with retrofit,

    started a YouTube channel to teach android by doing a little projects and to keep me accountable

    I need some motivational words from self-taught android developers and how they landed their first junior job cause I feel like I'm not ready yet

    submitted by /u/Mathroda
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    Why is a ViewModel scoped to the fragment of a `BottomNavigationView`not cleared when the fragment is destroyed?

    Posted: 16 Apr 2022 12:24 PM PDT

    Even though the Fragment calls it's onDestroy lifecycle callback, the ViewModel still lives and onCleared() is not called.

    Is this related to the fact that the Fragment state is saved when the BottomNavigationView is setup with BottomNavigationView.setupWithNavController(navController) ?

    This behavior can be easily reproduced with just the Bottom Navigation Activity project skeleton in Android Studio (File -> New -> New Project).

    submitted by /u/psteiger
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    How can i send a message from my app to 50+ people which recive the message on whatsapp

    Posted: 17 Apr 2022 12:01 AM PDT

    In order to create a messaging app, I want to make it possible for me to send a message from my app to lets say 50+ people, but when the message is sent, there will be a delay of three seconds per person, and when the person replies, I want the message to show up in my app.

    is it possible is there any api or sdk or any method that can do this

    and is it legal !?

    im not doing this for myself

    so if it is illegal, please let me know so I can stop.

    I am working for someone who wants me to upload this app to playstore, but I'm not sure if that will be possible. Please let me know.

    submitted by /u/Player91sagar
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    Is it me or is Android Development not intuitive?

    Posted: 16 Apr 2022 04:27 PM PDT

    Beginner here. Some of the things make sense. But most of the others don't. Like why are you required to specify contexts (i.e. this) and use things like handlers and runnable to use seekbars when playing media files. There is a plethora of classes and functions in Android about which I never get a clue regarding when to use them.

    Is there a way to make Android Development intuitive and logical?

    Thanks!

    submitted by /u/DL-Z_ftw
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    Is there an app debug console available or another convenient way to log information during development?

    Posted: 16 Apr 2022 01:38 PM PDT

    Basically I'm looking for a way to log a lot of info as I build/debug my app. I'd prefer not to do it in the emulator itself.

    Edit: I really want to do the equivalent of printf or console.log. that's it.

    submitted by /u/k1lk1
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    Android 13 OS to get Cinematic Wallpapers, New Media control with the latest Developer Preview

    Posted: 16 Apr 2022 04:33 AM PDT

    After getting the taste of the new Android 12 OS, it's time for the next version of Android. The new Android 12 OS update brings a major revamp to the operating system and multiple additional features. The next-generation Android platform may undergo another massive makeover, according to a source. To recall, Google recently released the Android 13 developer preview 2 which brings new wallpapers and more.

    The all-new Android 13 will be bringing in multiple new features like Cinematic Wallpaper effects, new media controls, and a foreground manager. The upcoming Android version will incorporate strong controls over the apps running in the background.

    ​

    Continue Reading... Cinematic Wallpaper and New Media controls on Android 13; new OS to offer exciting features

    submitted by /u/Sea-Medium-3722
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    Is it possible to use something like robotium to schedule weekly cycle of: Wake, enact the screen tap sequence, and then just chill until the next weekly interval?

    Posted: 16 Apr 2022 02:38 PM PDT

    I have a couple apps that are really simple in their use. Just open them up (id keep their icons stationary on the homescreen to ensure the same tap spot), and then one must tap the one big button which is on the main loaded page when the app begins.

    After that, Itd be done. Its for a few 'network mining' coin/crypto apps, which one must just open the app and press the button once every few days or so. I have 6 different android phones I use for this. The phone can even be turned off in between these presses. (I dont have money or computers which could really handle this many virtual instances of such things) I've been doing this by hand for months.

    Spare us of extraneous discourse on how I could launch into seperate endeavors, the challenge here is to directly address the desire for integrating an automated environment into the current scenario.

    submitted by /u/ResidentBottle258
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    learning andriod

    Posted: 16 Apr 2022 02:33 PM PDT

    I am currently learning java, I would like to learn andriod. I am currently using this book starting out with java from control structures though objects. I enjoy this book because of the challenges at the end of each chapter. Can anyone recommend a book.

    submitted by /u/Sochan86
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    Transferring applications from one Google Developer Account to another

    Posted: 16 Apr 2022 06:03 AM PDT

    Guys, please help.

    1) When we transfer applications from one Google developer account to another user ratings and review are preserved. But do you know something about the position of the application in the search after transferring? Will it remain? Will it not change? Since the account is new it can have a zero rating so maybe it will affect when apps ranking in search.

    2) Did you have any problems while transferring applications? For example, if you use Google Play Services. Or a currency for in-app purchases in a new merchant account is different.

    Thank you very much

    submitted by /u/Stratocaster_777
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