ftc android studio install failed update incompatable

#Ftc android studio install failed update incompatable how to#
#Ftc android studio install failed update incompatable apk#

The answer to this is that though I can edit it with vim but it kept reverting back to the previous unedited form. Why I couldn't edit the /data/system/packages.xml file?

#Ftc android studio install failed update incompatable apk#

$ adb shell rm -r /system/.apk - This would remove the apk and there won't be anything left from the previous built. Originally /system is a read-only folder so you can't edit directly. $ adb shell mount -o rw,remount /system - This would remount the system as read-write. So these were the steps that I followed : These few steps may remove the whole package but in my case it was different as it left behind few files from the previous built app. apk - To uninstall the package from the root user is any package you want to remove from the system. $ adb shell - To interact with the phone system directly. $ adb root - To start adbd with root privileges.

#Ftc android studio install failed update incompatable how to#

The first is how to delete a system application completely? Ultimately found an answer to the query and how to solve it. But after making the change when I reboot it get back to the unedited version.Ĭan anyone tell me the reason as to why this happens and how I can stop it from happening? And how would I be able to install a different version of the app? apk with different if I comment the section in /data/system/packages.xml referring to telegram. With further research I found out that I can install the new. I also tried uninstalling with this adb uninstall but it gave out Failure. But when I tried to install the new apk with adb install telegram.apk I got the following error adb: failed to install telegram.apk: Failure Once you’ve done this for each Android module in the project and applied the changes, you may need to rebuild your project for the changes to take place by choosing Build -> Rebuild Project from. After much research I was able to uninstall if from the system with the command adb shell pm uninstall -user 0 . We go over how to install and setup Android Studio for FTC teams to program robots.JDK Download. I think it might have been something wrong with my version of the build tools. I just retried it on a fresh install and it worked. It comes with pre-installed Telegram app. You choose 'import project (.gradle)' from the quick start and then select the application folder ( 'ftcappmaster' if you are downloading the zip). Wiping the emulator/device data should clear up the problem.Recently I install a custom ROM named eelo. Signature is still floating around that removal didn't, um, remove. you can as well chack if in your phone there are still files of the app still installed, go to settings, then applications, then downloaded applications, in the list of apps check if there is any file that your app is associated with and those files are still installed on your phone, uninstall them. If you're sure you removed it, there may be some spot where the old (and the old package's data was not removed).' Package of the same name has a different signature than the new package (Full Disclosure: I wrote that post.) Solution 2Īccording to the docs, this error appears 'if a previously installed Change the following line in the AndroidManifest.xml file from this:

When I tried to install the modified app, it failed to install because it was trying to share the user id with the other apps while lacking the proper signing key.īy removing the flag in the xml, you can successfully install the modified app. As a security design, all the apps are required to have the same signing key. Due to this, they were able to set the sharedUserId flag, which allows all of their apps to interact with each other. The Reader.apk file is a system app, and it is made by the manufacturers of the device itself, who also made several other apps. You need to remove the sharedUserId attribute in the second line. The solution is to modify the AndroidManifest.xml file.