Android APK installation prompt application Not Installed

Today, when Android is installed with the first version 1.0.1 and later version 1.0.2, the system prompts "ApplicationProgramNot Installed"

The reason is that the signature is different. The default signature is debug.

PackageWhen Android tool "-" Export signed application package ", select use existing keystore and select the path below.

The path is c: \ Users \ administratro \. Android \ Debug. keystore. The default password is Android.

 

You can also customize the signature Android tool "-" Export signed application package"

Select create new keystore and select the key storage path, for example, C: \ Android. keystore.

The next step is to enter the key alias. there are limits on the key alias...