Android => Re-installation failed due to different application signatures.

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Problem: Re-installation failed due to different application signatures.
Description: 

While developing an android application, I tried to run the application and got the below error:

[2011-08-26 11:57:37 - myAndroidApp] Re-installation failed due to different application signatures.
[2011-08-26 11:57:37 - myAndroidApp] You must perform a full uninstall of the application. WARNING: This will remove the application data!
[2011-08-26 11:57:37 - myAndroidApp] Please execute 'adb uninstall com.technotalkative.myAndroidApp' in a shell.[2011-08-26 11:57:37 - myAndroidApp] Launch canceled!</span></span></span></p>
Solution:

After searching and checking the phone, I came to know I am currently developing 2nd version of this application which is already downloaded from android market in my phone, now as this app is signed and having different signatures this is throwing the above error.

To resolve this issue, I had just uninstalled the app from mobile and run/install the application again, which means that we have to uninstalled the previous application installation from device.

Paresh Mayani

Lazy android developer, exploring the horizon of android development since 7 years, currently working as a Technical Lead - Android at Simform Solutions, India. Former Application Architect at KarConnect. He is the Head/Organizer of Google Developers Group (GDG), Ahmedabad

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