Why signed android apk is not running on emulator

Question

I have made a signed apk of an android project. Whenever my client try to run it on the emulator, he faces the following error message:

D:\\Android\\android-sdk-         


        

Answer 1

try below code it's worked for me.

Below line run when your jdk version is 6 for singing the apk

H:\Keytool>"C:\Program Files\Java\jdk1.6.0_09\bin\jarsigner.exe" -verbose -keystore donate.keystore "H:\Keytool\yourapkName.apk.apk" donate.keystore 

Below line run when your jdk version is 7 for singing the apk

H:\Keytool>"C:\Program Files\Java\jdk1.7.0_21\bin\jarsigner.exe" -verbose -keyst
ore denote.keyStore "H:\Keytool\yourapkName.apk" denote.keyStore -digestalg SHA1 -sigalg MD5withRSA