How can I get uid of some other app whose package name I know in android?

Question

I want to get uid of whatsapp in android, and I know Whatsapp's package name. How can I do this? Thank you.

Answer 1

I found WhatsApp's uid with the following code

int uid = 0;
    try {
        uid = this.getPackageManager().getApplicationInfo("com.whatsapp", 0).uid;
    } catch (PackageManager.NameNotFoundException e) {
        e.printStackTrace();
    }