Check installation source of all app to see if it is installed from Markets or sideloaded

Util.java

public void showAllAppInfo()
{
    PackageManager packageManager = getPackageManager();
    List<ApplicationInfo> list = packageManager.getInstalledApplications(PackageManager.GET_META_DATA);
    String market = "";
    String appName = "";
    String appVersion = "";
    for (int i = 0; i < list.size(); i++)
    {
        String packageName = list.get(i).packageName;
        String name = packageManager.getInstallerPackageName(packageName);
        if (name == null)
        {
            continue;
        }
        switch (name)
        {
            case "com.farsitel.bazaar":
                market = "Bazaar";
                break;
            case "com.android.vending":
                market = "GooglePlay";
                break;
            case "com.amazon.venezia":
            case "com.amazon.mshop.android":
                market = "Amazon App Store";
                break;
            default:
                market = name;
        }
        try
        {
            PackageInfo packageInfo = packageManager.getPackageInfo(packageName, 0);
            if (packageInfo != null)
            {
                appName = packageManager.getApplicationLabel(packageInfo.applicationInfo)
                        .toString();
                appVersion = packageInfo.versionName;
            }
        } catch (PackageManager.NameNotFoundException ignore)
        {
        }
        Log.d(TAG, String.format("App %s ( %s ) version %s installed from %s", appName, packageName, appVersion != null ? appVersion : "--", market));
    }
}