Add public API to do NDEF push. (01425365) · Commits · e / os / android_frameworks_base

Android.mk

+1 −0

Original line number	Diff line number	Diff line
		@@ -114,6 +114,7 @@ LOCAL_SRC_FILES += \
		core/java/android/nfc/ILlcpConnectionlessSocket.aidl \
		core/java/android/nfc/ILlcpServiceSocket.aidl \
		core/java/android/nfc/ILlcpSocket.aidl \
		core/java/android/nfc/INdefPushCallback.aidl \
		core/java/android/nfc/INfcAdapter.aidl \
		core/java/android/nfc/INfcAdapterExtras.aidl \
		core/java/android/nfc/INfcTag.aidl \

api/current.txt

+6 −0

Original line number	Diff line number	Diff line
		@@ -11641,6 +11641,7 @@ package android.nfc {
		method public void disableForegroundNdefPush(android.app.Activity);
		method public void enableForegroundDispatch(android.app.Activity, android.app.PendingIntent, android.content.IntentFilter[], java.lang.String[][]);
		method public void enableForegroundNdefPush(android.app.Activity, android.nfc.NdefMessage);
		method public void enableForegroundNdefPush(android.app.Activity, android.nfc.NfcAdapter.NdefPushCallback);
		method public static android.nfc.NfcAdapter getDefaultAdapter(android.content.Context);
		method public static deprecated android.nfc.NfcAdapter getDefaultAdapter();
		method public boolean isEnabled();
		@@ -11652,6 +11653,11 @@ package android.nfc {
		field public static final java.lang.String EXTRA_TAG = "android.nfc.extra.TAG";
		}

		public static abstract interface NfcAdapter.NdefPushCallback {
		method public abstract android.nfc.NdefMessage createMessage();
		method public abstract void onMessagePushed();
		}

		public final class NfcManager {
		method public android.nfc.NfcAdapter getDefaultAdapter();
		}

core/java/android/nfc/INdefPushCallback.aidl

0 → 100644

+28 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2011 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package android.nfc;

		import android.nfc.NdefMessage;

		/**
		* @hide
		*/
		interface INdefPushCallback
		{
		NdefMessage onConnect();
		void onMessagePushed();
		}

core/java/android/nfc/INfcAdapter.aidl

+2 −0

Original line number	Diff line number	Diff line
		@@ -25,6 +25,7 @@ import android.nfc.TechListParcel;
		import android.nfc.ILlcpSocket;
		import android.nfc.ILlcpServiceSocket;
		import android.nfc.ILlcpConnectionlessSocket;
		import android.nfc.INdefPushCallback;
		import android.nfc.INfcTag;
		import android.nfc.IP2pTarget;
		import android.nfc.IP2pInitiator;
		@@ -51,6 +52,7 @@ interface INfcAdapter
		in IntentFilter[] filters, in TechListParcel techLists);
		void disableForegroundDispatch(in ComponentName activity);
		void enableForegroundNdefPush(in ComponentName activity, in NdefMessage msg);
		void enableForegroundNdefPushWithCallback(in ComponentName activity, in INdefPushCallback callback);
		void disableForegroundNdefPush(in ComponentName activity);

		// Non-public methods

core/java/android/nfc/NfcAdapter.java

+70 −1

Original line number	Diff line number	Diff line
		@@ -235,6 +235,37 @@ public final class NfcAdapter {
		*/
		private static final int DISCOVERY_MODE_CARD_EMULATION = 2;

		/**
		* Callback passed into {@link #enableForegroundNdefPush(Activity,NdefPushCallback)}. This
		*/
		public interface NdefPushCallback {
		/**
		* Called when a P2P connection is created.
		*/
		NdefMessage createMessage();
		/**
		* Called when the message is pushed.
		*/
		void onMessagePushed();
		}

		private static class NdefPushCallbackWrapper extends INdefPushCallback.Stub {
		private NdefPushCallback mCallback;

		public NdefPushCallbackWrapper(NdefPushCallback callback) {
		mCallback = callback;
		}

		@Override
		public NdefMessage onConnect() {
		return mCallback.createMessage();
		}

		@Override
		public void onMessagePushed() {
		mCallback.onMessagePushed();
		}
		}

		// Guarded by NfcAdapter.class
		private static boolean sIsInitialized = false;
		@@ -574,6 +605,44 @@ public final class NfcAdapter {
		}
		}

		/**
		* Enable NDEF message push over P2P while this Activity is in the foreground.
		*
		* <p>For this to function properly the other NFC device being scanned must
		* support the "com.android.npp" NDEF push protocol. Support for this
		* protocol is currently optional for Android NFC devices.
		*
		* <p>This method must be called from the main thread.
		*
		* <p class="note"><em>NOTE:</em> While foreground NDEF push is active standard tag dispatch is disabled.
		* Only the foreground activity may receive tag discovered dispatches via
		* {@link #enableForegroundDispatch}.
		*
		* <p class="note">Requires the {@link android.Manifest.permission#NFC} permission.
		*
		* @param activity the foreground Activity
		* @param callback is called on when the P2P connection is established
		* @throws IllegalStateException if the Activity is not currently in the foreground
		* @throws OperationNotSupportedException if this Android device does not support NDEF push
		*/
		public void enableForegroundNdefPush(Activity activity, NdefPushCallback callback) {
		if (activity == null \|\| callback == null) {
		throw new NullPointerException();
		}
		if (!activity.isResumed()) {
		throw new IllegalStateException("Foregorund NDEF push can only be enabled " +
		"when your activity is resumed");
		}
		try {
		ActivityThread.currentActivityThread().registerOnActivityPausedListener(activity,
		mForegroundNdefPushListener);
		sService.enableForegroundNdefPushWithCallback(activity.getComponentName(),
		new NdefPushCallbackWrapper(callback));
		} catch (RemoteException e) {
		attemptDeadServiceRecovery(e);
		}
		}

		/**
		* Disable NDEF message push over P2P.
		*