Get Facebook Hash for Android

gistfile1.txt

import java.security.MessageDigest;
import android.content.pm.PackageManager.NameNotFoundException;
import java.security.NoSuchAlgorithmException;
import android.util.Base64;
import android.content.pm.PackageInfo;

# Put this in your main Acitiviy

try {
    PackageInfo info = getPackageManager().getPackageInfo("com.sourcefuse.kudzoo", PackageManager.GET_SIGNATURES);
    for (android.content.pm.Signature signature : info.signatures) {
        MessageDigest md = MessageDigest.getInstance("SHA");
        md.update(signature.toByteArray());
        String sign=Base64.encodeToString(md.digest(), Base64.DEFAULT);
        Log.e("MY KEY HASH:", sign);
        //  Toast.makeText(getApplicationContext(),sign,     Toast.LENGTH_LONG).show();
    }
} catch (NameNotFoundException e) {
} catch (NoSuchAlgorithmException e) {
}