Error: The specified language version is too high. The highest supported language version is 2.8. in android studio how can I fix it?

Why? This happens, because the your specified language version is higher than the one declared in the .dart_tool directory (specifically in the package_config.json file). Solution You can either delete the folder manually or let Flutter tools do it for you. Run flutter clean from the terminal or, if using Android Studio, go to Tools -> … Read more

Some Conflicts were found in the installation area – Android Studio – cacerts error

I also modified my cacerts file to include a corpo firewall CA cert, but instead of having to reinstall Android Studio, I just Download the full .zip from Google’s Archive that corresponded to my current version (in my case 3.1.3), then Extract the cacerts file and replaced my modified one. Run the update patch normally. … Read more

Android studio, configure gradle project takes forever

If you are on Windows check C:\Users\YOUR_USER\.gradle\wrapper\dists whether the gradle 1.10-all is installed there or not inside the directory. Android Studio downloads the whole distribution first time which is around 60 MB so it takes some time. Check the distributionUrl in gradle/gradle-wrapper.properties and match the same in your dist directory if it is not available … Read more

Error:Failed to resolve: android.arch.core:common:1.1.0

I resolve this issue by moving maven {url “https://maven.google.com”} before jcenter(), like this: repositories { maven { url “https://maven.google.com” } jcenter() maven { url ‘https://jitpack.io’ } } This is because I find jcenter() repository has deleted the directory of android.arch.core, so we have to get this file (android.arch.core:common-1.1.0.jar) from “https://maven.google.com”