Android Beam sample for ICS SDK
Change-Id: Ie36e39fef96beb39b06f9d3fcfc41b48a890fa0f
diff --git a/samples/AndroidBeam/AndroidManifest.xml b/samples/AndroidBeam/AndroidManifest.xml
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+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+**
+** Copyright 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.
+*/
+-->
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+ package="com.example.android.beam"
+ android:versionCode="1"
+ android:versionName="1.0">
+ <uses-permission android:name="android.permission.NFC" />
+ <application android:icon="@drawable/icon" android:label="@string/app_name">
+ <activity android:name="com.example.android.beam.Beam"
+ android:label="@string/app_name"
+ android:launchMode="singleTop">
+ <intent-filter>
+ <action android:name="android.intent.action.MAIN" />
+ <category android:name="android.intent.category.LAUNCHER" />
+ </intent-filter>
+ <intent-filter>
+ <action android:name="android.nfc.action.NDEF_DISCOVERED" />
+ <category android:name="android.intent.category.DEFAULT" />
+ <data android:mimeType="application/com.example.android.beam" />
+ </intent-filter>
+ </activity>
+ </application>
+</manifest>
diff --git a/samples/AndroidBeam/_index.html b/samples/AndroidBeam/_index.html
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+<p>The Beam application demonstrates how to use the Android Beam feature introduced in API level 14. This
+application beams a simple message from one device to another when they are in close enough proximity. This
+application must be installed on two devices that have NFC capabilities, running Android 4.0 or later.</p>
diff --git a/samples/AndroidBeam/res/drawable-hdpi/icon.png b/samples/AndroidBeam/res/drawable-hdpi/icon.png
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diff --git a/samples/AndroidBeam/res/drawable-ldpi/icon.png b/samples/AndroidBeam/res/drawable-ldpi/icon.png
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diff --git a/samples/AndroidBeam/res/drawable-mdpi/icon.png b/samples/AndroidBeam/res/drawable-mdpi/icon.png
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diff --git a/samples/AndroidBeam/res/layout/main.xml b/samples/AndroidBeam/res/layout/main.xml
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+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+**
+** Copyright 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.
+*/
+-->
+<TextView xmlns:android="http://schemas.android.com/apk/res/android"
+ android:id="@+id/textView"
+ android:layout_width="fill_parent"
+ android:layout_height="wrap_content"
+ />
diff --git a/samples/AndroidBeam/res/values/strings.xml b/samples/AndroidBeam/res/values/strings.xml
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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+ <string name="app_name">Beam</string>
+</resources>
diff --git a/samples/AndroidBeam/src/com/example/android/beam/Beam.java b/samples/AndroidBeam/src/com/example/android/beam/Beam.java
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+++ b/samples/AndroidBeam/src/com/example/android/beam/Beam.java
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+/*
+ * 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 com.example.android.beam;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.nfc.NdefMessage;
+import android.nfc.NdefRecord;
+import android.nfc.NfcAdapter;
+import android.nfc.NfcAdapter.CreateNdefMessageCallback;
+import android.nfc.NfcEvent;
+import android.os.Bundle;
+import android.os.Parcelable;
+import android.widget.TextView;
+import android.widget.Toast;
+import java.nio.charset.Charset;
+
+
+public class Beam extends Activity implements CreateNdefMessageCallback {
+ NfcAdapter mNfcAdapter;
+ TextView textView;
+
+ @Override
+ public void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ setContentView(R.layout.main);
+ TextView textView = (TextView) findViewById(R.id.textView);
+ // Check for available NFC Adapter
+ mNfcAdapter = NfcAdapter.getDefaultAdapter(this);
+ if (mNfcAdapter == null) {
+ Toast.makeText(this, "NFC is not available", Toast.LENGTH_LONG).show();
+ finish();
+ return;
+ }
+ // Register callback
+ mNfcAdapter.setNdefPushMessageCallback(this, this);
+ }
+
+ @Override
+ public NdefMessage createNdefMessage(NfcEvent event) {
+ String text = ("Beam me up, Android!\n\n" +
+ "Beam Time: " + System.currentTimeMillis());
+ NdefMessage msg = new NdefMessage(
+ new NdefRecord[] { createMimeRecord(
+ "application/com.example.android.beam", text.getBytes())
+ /**
+ * The Android Application Record (AAR) is commented out. When a device
+ * receives a push with an AAR in it, the application specified in the AAR
+ * is guaranteed to run. The AAR overrides the tag dispatch system.
+ * You can add it back in to guarantee that this
+ * activity starts when receiving a beamed message. For now, this code
+ * uses the tag dispatch system.
+ */
+ //,NdefRecord.createApplicationRecord("com.example.android.beam")
+ });
+ return msg;
+ }
+
+ @Override
+ public void onResume() {
+ super.onResume();
+ // Check to see that the Activity started due to an Android Beam
+ if (NfcAdapter.ACTION_NDEF_DISCOVERED.equals(getIntent().getAction())) {
+ processIntent(getIntent());
+ }
+ }
+
+ @Override
+ public void onNewIntent(Intent intent) {
+ // onResume gets called after this to handle the intent
+ setIntent(intent);
+ }
+
+ /**
+ * Parses the NDEF Message from the intent and prints to the TextView
+ */
+ void processIntent(Intent intent) {
+ textView = (TextView) findViewById(R.id.textView);
+ Parcelable[] rawMsgs = intent.getParcelableArrayExtra(
+ NfcAdapter.EXTRA_NDEF_MESSAGES);
+ // only one message sent during the beam
+ NdefMessage msg = (NdefMessage) rawMsgs[0];
+ // record 0 contains the MIME type, record 1 is the AAR, if present
+ textView.setText(new String(msg.getRecords()[0].getPayload()));
+ }
+
+ /**
+ * Creates a custom MIME type encapsulated in an NDEF record
+ *
+ * @param mimeType
+ */
+ public NdefRecord createMimeRecord(String mimeType, byte[] payload) {
+ byte[] mimeBytes = mimeType.getBytes(Charset.forName("US-ASCII"));
+ NdefRecord mimeRecord = new NdefRecord(
+ NdefRecord.TNF_MIME_MEDIA, mimeBytes, new byte[0], payload);
+ return mimeRecord;
+ }
+}
