Auto-repair for Android Studio? - android

Lately I've been having problems with Android Studio, mostly what it seems with code synchronization. For example, I'll comment out a section which is causing the issue and sync the project before running it again, only to have the Android Monitor point out to the line in comments, as if it still interprets it as code. I'm curious what you would recommend? A full reinstall? Is there any feature that restores default settings and would alleviate this issue?
Thanks in advance.

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Xamarin Forms Android This type of collectionView does not support changes to its sourceCollection from a thread different from the dispatcher thread

Here is the error I'm getting when trying to archive my app for deployment.
This error doesn't show up at any other time. The project builds and runs on emulators and devices without issue. This error has zero context or direction as to where to look to fix it. It also just randomly showed up out of nowhere, last time I built/archived (with zero functional changes) this error did not happen.
Main difference between this archival and the previous one is a newer version of VS 2017. Don't remember exactly the version from before, but am currently on 15.9.4 (stable).
Looking around on the interwebs, I've found that this error seems to have something to do with ObservableCollection's, which there are probably 10-ish in my app. Not really sure what to do here, because this has never been an issue previously, and I'm coming up on a deadline and with the structure of the app, am not in a good position to start making functional changes.
EDIT
I have also cleaned and rebuilt my solution, as well as deleting all bin/obj folders in my xamarin projects. Even tried deleting the .vs folder which can sometimes help. But still no go.
Going to try updating VS to 15.9.5 and see if maybe it was fixed in a release.
EDIT 2
Updating VS 2017 to 15.9.5 made no difference.
EDIT 3
I had my coworker try archiving the exact same project on his machine (running VS 2017: 5.9.3, and it archived fine for him. So far that's the only difference we've been able to find between our environments.
I saw the same problem using VS2017 15.9.9. Even the same code that could be archived a week ago threw the above mentioned error. It seems related to local data in the solution. A "clear" build was not sufficient. However manual deletion of the local obj and bin folders followed by archiving (build is done implicitly) solved the problem for me.
For my part closing Visual studio and deleting the .vs hidden folder did it.
It's actually a fix for many issues using Xamarin.
I had this other issue where I couldn't archive because the build process would just hang and never end. Deleting the .vs folder did it too.
https://github.com/xamarin/xamarin-android/issues/1760
Just go to project property then go to Android options-> Select Advanced then increase the Java Max heap size to 2G/3G -> it's working for me.
Leon Lu's suggestion worked. I don't particularly like it, as it took forever and repairing basically restores you to a base install (no extensions or personalizations). Took about 1.2 hours to complete, but once done I was able to again archive my android application. I guess something went wrong in vs at some point, perhaps during an update. There's no way to tell.
I tried ALL of the ideas above, but had no consistent reliable luck with any of them.
I found that Microsoft has had the problem reported to them (see link below). After a ton of time burn on this, I posted at the link below one way that I've been able to get around this archive-build issue.
Like the other fixes, it's not exactly logical, and nothing that you would think would work, but I've found the process to be repeatable, which is golden for me with tight timelines and having no time for this.
MS Visual Studio Developer Community Problem 507708
Posted on a Saturday morning, a sign of really needing to get around this urgently. I hope it helps you too.

Getting an App APK

Hey guys and girls for a the past week I've grown a lot of interest in android studio (even without knowing quite much about it) I decided to create an app that I deemed quite useful. However the app required maps to be integrated in it and I really did not know what I was doing and at one point I started messing with the settings and then all hell broke loose and I kept getting AAPT2 errors and I even tried to fix this issue with the gradle properties line that you add (I forgot the line of code to add). Anyways it still didnt work. However I rembered that I always kept the good version (before I broke everything) of the app on my phone. So when I go in my phone the app is there and it works just fine. Ive tried so many things to get the source code from the app on my phone without any succes. My question is, how can I get the source code back from the working app onto my laptop to continue coding in android studio? If it helps I am using Linux 18.04 LTS and running the newest version of android studio. Thank you for any help from you guys. This means a lot to me.
You can’t get back the ‘source code’ from an already compiled app.
You should consider using some version control platforms like git from the next time

Android studio projects not saved when it hangs

I am facing a weird experience with Android studio that during when it suddenly hangs, the previous changes that I made in my project are not saved. This issue happened for me several times when I close the Android studio manually from Task Manager during system crash or when I get Android studio not responding error. This kinda error is not occuring if I save the workspace often through ctrl+s(Save) or ctrl+shift+s (Save All), but these issues I have never faced with Eclipse previously I used for development. So kindly please mentor me whether is there any settings that I have to change or update in my Android studio to resolve this issue. Your solution would help and useful for me to prevent my code from losing the changes I made. Thanks in advance.
Please text me if my question is not clear. Expecting your valuable answers and solutions. I have been facing this issue since I started using Android studio and because of this I have lost lots of data in my code.
Have you allocated the correct amount of ram to the avd? As well as having enough to run studio anyway? Additionally Cpu can be an issue if you're using something like an i3 or low end i5.
I can't run studio on my laptop due to it being generally bad but also the Cpu can't take the load.

Android Studio shuts down forcefully

I am having a good problem with Android Studio. Initially I was using eclipse to develop android App, but eclipse display funny stuffs like deleting all my codes and most times crashes so I decided to try Android Studio.
Now am using android studio, but whenever I open an activity to start typing code, the IDE forcefully shuts down. Initially i tougth this happens when there is an error in your code, because I had an instance where the IDE shut down, was fixed by correcting the errors. But now the codes are all correct and when I install on emulator it installs properly.
But whenever I open an Activity and start to type Android Studio shuts down. I have tried to check for similar question, but could not find anything suitable. Please I need your help because I have a lot of project with deadlines and this AS behaviour is making me run nuts.. Thanks
There might be memory issue with Android Studio. I recommend you to shutdown all the heavy-weight memory consuming application like Chrome etc. to be shutdown.
I hope it will help.
Thanks all I finally got the solution to the shutdown. I had to create all the Activity used from AS and copy the codes into each file created. Initially i copied all the Activities, resources and Manifest I created in eclipse and paste them into AS. I guess AS doesn't perform auto update and this cause it not have have reference of the pasted files in memory making it to crash.
Sometimes some plugins keep running if studio crashes and they consume so much memory that studio is not able to launch again.
Or see if other applications are running and consuming much memory.
Or you can restart the system.

Errors using the apkTool

I have used this site to help me with the apkTool in the past, however I have today come up against an error I can't quite get my head around.
I am DE-compiling an APK which was written by a predecessor as it requires a few tweaks and he hasn't left any source files behind..
So, As far as I'm aware I have the latest tool available, using windows 7 64bit.
I have added the framework from my test tablet which the app runs fine on. And this is what I get..
This is the error screen
http://img199.imageshack.us/img199/4291/63yc.png
Anyone have an idea at what the issue is here? Any help really appreciated.
There's an open issue on a similar exception (scroll to the bottom):
https://code.google.com/p/android-apktool/issues/detail?id=477

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