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Diffstat (limited to 'src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlMessage.java')
-rw-r--r--src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlMessage.java7
1 files changed, 5 insertions, 2 deletions
diff --git a/src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlMessage.java b/src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlMessage.java
index 1378c94a..ec068ec7 100644
--- a/src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlMessage.java
+++ b/src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlMessage.java
@@ -1,5 +1,6 @@
package eu.siacs.conversations.crypto.axolotl;
+import android.support.annotation.Nullable;
import android.util.Base64;
import java.security.InvalidAlgorithmParameterException;
@@ -145,8 +146,10 @@ public class XmppAxolotlMessage {
return headers;
}
- public void addHeader(XmppAxolotlMessageHeader header) {
- headers.add(header);
+ public void addHeader(@Nullable XmppAxolotlMessageHeader header) {
+ if (header != null) {
+ headers.add(header);
+ }
}
public byte[] getInnerKey(){