ShehryarAhmed / GenerateHashKeyAndroid

Generate Hash Key required for Facebook login

GenerateHashKeyAndroid

Generate Hash Key required for Facebook login

fun printHashKey(pContext: Context) {
    try {
        val info: PackageInfo = pContext.getPackageManager().getPackageInfo(pContext.getPackageName(), PackageManager.GET_SIGNATURES)
        for (signature in info.signatures) {
            val md = MessageDigest.getInstance("SHA")
            md.update(signature.toByteArray())
            val hashKey = String(Base64.encode(md.digest(), 0))
            Log.i("TAG", "printHashKey() Hash Key: $hashKey")
        }
    } catch (e: NoSuchAlgorithmException) {
        Log.e("TAG", "printHashKey()", e)
    } catch (e: Exception) {
        Log.e("TAG", "printHashKey()", e)
    }
}

// Java

private void printHashKey(Context pContext) {
    try {
        PackageInfo info = pContext.getPackageManager().getPackageInfo(pContext.getPackageName(), PackageManager.GET_SIGNATURES);
        for (Signature signature : info.signatures) {
            MessageDigest md = MessageDigest.getInstance("SHA");
            md.update(signature.toByteArray());
            String hashKey = new String(Base64.encode(md.digest(), 0));
            Log.i("TAG", "printHashKey() Hash Key: "+hashKey);
        }
    } catch (NoSuchAlgorithmException e) {
        Log.e("TAG", "printHashKey()", e);
    } catch (Exception e) {
        Log.e("TAG", "printHashKey()", e);
    }
}