Update Multi-OffHost related API definition

Test: build pass
Bug: 128831640
Change-Id: Ia0a8ec38b0c4e60df18f727b0f5a7fdba84fe9e1

5 files changed, 36 insertions, 11 deletions

diff --git a/api/current.txt b/api/current.txt
index b7df38068263..4dcba8348d8c 100755
--- a/api/current.txt
+++ b/api/current.txt
@@ -29116,7 +29116,6 @@ package android.nfc {
     method @Deprecated public void enableForegroundNdefPush(android.app.Activity, android.nfc.NdefMessage);
     method public void enableReaderMode(android.app.Activity, android.nfc.NfcAdapter.ReaderCallback, int, android.os.Bundle);
     method public static android.nfc.NfcAdapter getDefaultAdapter(android.content.Context);
-    method @NonNull public java.util.List<java.lang.String> getSupportedOffHostSecureElements();
     method public boolean ignore(android.nfc.Tag, int, android.nfc.NfcAdapter.OnTagRemovedListener, android.os.Handler);
     method @Deprecated public boolean invokeBeam(android.app.Activity);
     method public boolean isEnabled();
@@ -29209,10 +29208,10 @@ package android.nfc.cardemulation {
     method public boolean isDefaultServiceForCategory(android.content.ComponentName, String);
     method public boolean registerAidsForService(android.content.ComponentName, String, java.util.List<java.lang.String>);
     method public boolean removeAidsForService(android.content.ComponentName, String);
-    method public boolean setOffHostForService(@NonNull android.content.ComponentName, @NonNull String);
+    method @RequiresPermission(android.Manifest.permission.NFC) @NonNull public boolean setOffHostForService(@NonNull android.content.ComponentName, @NonNull String);
     method public boolean setPreferredService(android.app.Activity, android.content.ComponentName);
     method public boolean supportsAidPrefixRegistration();
-    method public boolean unsetOffHostForService(@NonNull android.content.ComponentName);
+    method @RequiresPermission(android.Manifest.permission.NFC) @NonNull public boolean unsetOffHostForService(@NonNull android.content.ComponentName);
     method public boolean unsetPreferredService(android.app.Activity);
     field public static final String ACTION_CHANGE_DEFAULT = "android.nfc.cardemulation.action.ACTION_CHANGE_DEFAULT";
     field public static final String CATEGORY_OTHER = "other";
diff --git a/core/java/android/nfc/NfcAdapter.java b/core/java/android/nfc/NfcAdapter.java
index b90a60e5bca0..eb347e7e253e 100644
--- a/core/java/android/nfc/NfcAdapter.java
+++ b/core/java/android/nfc/NfcAdapter.java
@@ -526,6 +526,7 @@ public final class NfcAdapter {
      * @return List<String> containing secure elements on the device which supports
      *                      off host card emulation. eSE for Embedded secure element,
      *                      SIM for UICC and so on.
+     * @hide
      */
     public @NonNull List<String> getSupportedOffHostSecureElements() {
         List<String> offHostSE = new ArrayList<String>();
diff --git a/core/java/android/nfc/cardemulation/ApduServiceInfo.java b/core/java/android/nfc/cardemulation/ApduServiceInfo.java
index 911ec8430ddd..ab0a0ef517c7 100644
--- a/core/java/android/nfc/cardemulation/ApduServiceInfo.java
+++ b/core/java/android/nfc/cardemulation/ApduServiceInfo.java
@@ -432,7 +432,15 @@ public final class ApduServiceInfo implements Parcelable {
         mDynamicAidGroups.put(aidGroup.getCategory(), aidGroup);
     }
 
-    @UnsupportedAppUsage
+    /**
+     * Sets the off host Secure Element.
+     * @param  offHost  Secure Element to set. Only accept strings with prefix SIM or prefix eSE.
+     *                  Ref: GSMA TS.26 - NFC Handset Requirements
+     *                  TS26_NFC_REQ_069: For UICC, Secure Element Name SHALL be SIM[smartcard slot]
+     *                                    (e.g. SIM/SIM1, SIM2… SIMn).
+     *                  TS26_NFC_REQ_070: For embedded SE, Secure Element Name SHALL be eSE[number]
+     *                                    (e.g. eSE/eSE1, eSE2, etc.).
+     */
     public void setOffHostSecureElement(String offHost) {
         mOffHostName = offHost;
     }
@@ -441,7 +449,6 @@ public final class ApduServiceInfo implements Parcelable {
      * Resets the off host Secure Element to statically defined
      * by the service in the manifest file.
      */
-    @UnsupportedAppUsage
     public void unsetOffHostSecureElement() {
         mOffHostName = mStaticOffHostName;
     }
@@ -581,10 +588,9 @@ public final class ApduServiceInfo implements Parcelable {
             pw.println("    On Host Service");
         } else {
             pw.println("    Off-host Service");
-            pw.println("        " + "Current off-host SE" + mOffHostName
-                    + " static off-host: " + mOffHostName);
+            pw.println("        " + "Current off-host SE:" + mOffHostName
+                    + " static off-host SE:" + mStaticOffHostName);
         }
-        pw.println("    Static off-host Secure Element:");
         pw.println("    Static AID groups:");
         for (AidGroup group : mStaticAidGroups.values()) {
             pw.println("        Category: " + group.category);
diff --git a/core/java/android/nfc/cardemulation/CardEmulation.java b/core/java/android/nfc/cardemulation/CardEmulation.java
index f23dc2da291a..4c9885c402fa 100644
--- a/core/java/android/nfc/cardemulation/CardEmulation.java
+++ b/core/java/android/nfc/cardemulation/CardEmulation.java
@@ -17,6 +17,7 @@
 package android.nfc.cardemulation;
 
 import android.annotation.NonNull;
+import android.annotation.RequiresPermission;
 import android.annotation.SdkConstant;
 import android.annotation.SdkConstant.SdkConstantType;
 import android.app.Activity;
@@ -360,6 +361,8 @@ public final class CardEmulation {
      * @param service The component name of the service
      * @return whether the registration was successful.
      */
+    @RequiresPermission(android.Manifest.permission.NFC)
+    @NonNull
     public boolean unsetOffHostForService(@NonNull ComponentName service) {
         NfcAdapter adapter = NfcAdapter.getDefaultAdapter(mContext);
         if (adapter == null) {
@@ -391,7 +394,9 @@ public final class CardEmulation {
      * through the manifest, or dynamically by using this API),
      * it will be replaced with this one. All AIDs registered by
      * this service will be re-routed to this Secure Element if
-     * successful.
+     * successful. AIDs that was statically assigned using manifest
+     * will re-route to off-host SE that stated in manifest after NFC
+     * toggle.
      *
      * <p>Note that you can only set off-host SE for a service that
      * is running under the same UID as the caller of this API. Typically
@@ -403,9 +408,19 @@ public final class CardEmulation {
      * exists on the device.
      *
      * @param service The component name of the service
-     * @param offHostSecureElement Secure Element to register the AID to
+     * @param offHostSecureElement Secure Element to register the AID to. Only accept strings with
+     *                             prefix SIM or prefix eSE.
+     *                             Ref: GSMA TS.26 - NFC Handset Requirements
+     *                             TS26_NFC_REQ_069: For UICC, Secure Element Name SHALL be
+     *                                               SIM[smartcard slot]
+     *                                               (e.g. SIM/SIM1, SIM2… SIMn).
+     *                             TS26_NFC_REQ_070: For embedded SE, Secure Element Name SHALL be
+     *                                               eSE[number]
+     *                                               (e.g. eSE/eSE1, eSE2, etc.).
      * @return whether the registration was successful.
      */
+    @RequiresPermission(android.Manifest.permission.NFC)
+    @NonNull
     public boolean setOffHostForService(@NonNull ComponentName service,
             @NonNull String offHostSecureElement) {
         boolean validSecureElement = false;
@@ -421,6 +436,10 @@ public final class CardEmulation {
             return false;
         }
 
+        if (!offHostSecureElement.startsWith("eSE") && !offHostSecureElement.startsWith("SIM")) {
+            return false;
+        }
+
         if (offHostSecureElement.equals("eSE")) {
             offHostSecureElement = "eSE1";
         } else if (offHostSecureElement.equals("SIM")) {
diff --git a/core/res/res/values/attrs.xml b/core/res/res/values/attrs.xml
index 3fe8689b8552..e074db603f04 100644
--- a/core/res/res/values/attrs.xml
+++ b/core/res/res/values/attrs.xml
@@ -3691,7 +3691,7 @@
              the settings for this service. -->
         <attr name="settingsActivity"/>
         <!-- Secure Element which the AIDs should be routed to -->
-        <attr name="secureElementName"/>
+        <attr name="secureElementName" format="string"/>
     </declare-styleable>
 
     <!-- Specify one or more <code>aid-group</code> elements inside a