From b3ebb646663f166c6dd2c7d2cfbc47293582b33e Mon Sep 17 00:00:00 2001
From: Vincent Breitmoser <valodim@mugenguild.com>
Date: Tue, 2 Jun 2015 22:19:41 +0200
Subject: [PATCH] hide invoke nfc button in android < 5

---
 .../keychain/ui/ViewKeyAdvShareFragment.java    | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyAdvShareFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyAdvShareFragment.java
index 479ddae0b..42abf35eb 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyAdvShareFragment.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyAdvShareFragment.java
@@ -140,12 +140,17 @@ public class ViewKeyAdvShareFragment extends LoaderFragment implements
             }
         });
 
-        mKeyNfcButton.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                mNfcHelper.invokeNfcBeam();
-            }
-        });
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+            mKeyNfcButton.setVisibility(View.VISIBLE);
+            mKeyNfcButton.setOnClickListener(new View.OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    mNfcHelper.invokeNfcBeam();
+                }
+            });
+        } else {
+            mKeyNfcButton.setVisibility(View.GONE);
+        }
 
         mKeySafeSlingerButton.setOnClickListener(new View.OnClickListener() {
             @Override