fixed app for non nfc devices & fixed navigation after app pause & resume (it seems...

[DHBWCampusApp.git] / app / src / main / java / de / dhbwloe / campusapp / nfcreader / NfcCardListener.java

diff --git a/app/src/main/java/de/dhbwloe/campusapp/nfcreader/NfcCardListener.java b/app/src/main/java/de/dhbwloe/campusapp/nfcreader/NfcCardListener.java
index d20e7d7e86eacb8a537ae1094ad4efc6c266fb07..e25544f856fd2ca6d8e3b1d3b412c354612b5ff8 100644 (file)
--- a/app/src/main/java/de/dhbwloe/campusapp/nfcreader/NfcCardListener.java
+++ b/app/src/main/java/de/dhbwloe/campusapp/nfcreader/NfcCardListener.java
@@ -65,6 +65,8 @@ public class NfcCardListener {
     }
 
     private void updateNfcState() {
+        if(oAdapter == null)
+            return;
         boolean isEnabled = oAdapter.isEnabled();
         if(bNfcAdapterState != isEnabled) {
             bNfcAdapterState = isEnabled;