NFC Adapter Extras API update.

Remove
o registerTearDownApdus()
o deregisterTearDownApdus()
They were already NO-OPS, and don't work in the general case.

Add
o authenticate(byte[] token)
This future proofs us for a more flexible access control scheme.

Change-Id: I4cb67ceeb63d61cbc333c9b244a96d8687402168

1 files changed, 11 insertions, 11 deletions

diff --git a/nfc-extras/java/com/android/nfc_extras/NfcAdapterExtras.java b/nfc-extras/java/com/android/nfc_extras/NfcAdapterExtras.java
index 6001be9..e0c38b1 100644
--- a/nfc-extras/java/com/android/nfc_extras/NfcAdapterExtras.java
+++ b/nfc-extras/java/com/android/nfc_extras/NfcAdapterExtras.java
@@ -18,7 +18,6 @@ package com.android.nfc_extras;
 
 import android.annotation.SdkConstant;
 import android.annotation.SdkConstant.SdkConstantType;
-import android.nfc.ApduList;
 import android.nfc.INfcAdapterExtras;
 import android.nfc.NfcAdapter;
 import android.os.RemoteException;
@@ -208,17 +207,18 @@ public final class NfcAdapterExtras {
         return sEmbeddedEe;
     }
 
-    public void registerTearDownApdus(String packageName, ApduList apdus) {
-        try {
-            sService.registerTearDownApdus(packageName, apdus);
-        } catch (RemoteException e) {
-            attemptDeadServiceRecovery(e);
-        }
-    }
-
-    public void unregisterTearDownApdus(String packageName) {
+    /**
+     * Authenticate the client application.
+     *
+     * Some implementations of NFC Adapter Extras may require applications
+     * to authenticate with a token, before using other methods.
+     *
+     * @param a implementation specific token
+     * @throws a {@link java.lang.SecurityException} if authentication failed
+     */
+    public void authenticate(byte[] token) {
         try {
-            sService.unregisterTearDownApdus(packageName);
+            sService.authenticate(token);
         } catch (RemoteException e) {
             attemptDeadServiceRecovery(e);
         }