Protecting in-app purchases from Freedom Hack

Question

I\'ve throughtoutly searched this site as well as others for answers and found no actual one.

My question is what exactly does the Freedom Hack (which allows users t

Answer 1

I'm using something like this, I know it's not a good solution compared to a remote server check for your signature. I'm checking if Freedom app is installed, if so I'm not opening my app.

@Override
protected void onCreate(Bundle arg0) {
    super.onCreate(arg0);
    if(isHackerAppIsntalled())
        finish();
}

private boolean isHackerAppInstalled() {        
    final PackageManager pm = getApplication().getPackageManager();
    List packages = pm
            .getInstalledApplications(PackageManager.GET_META_DATA);
    for (ApplicationInfo packageInfo : packages) {
        String packageName = packageInfo.packageName;
        if (packageName.contains("cc.madkite.freedom")
                || packageName.contains("madkite.freedom")) {
            return true;
        }
    }
    return false;
}