rename Android Beam sample to Andriod Beam Demo and add launcher icon

Change-Id: If6edb7ac9ba2743ce0dbc39be6f1eede8ef66aaa
2011-10-14 01:19:19 -07:00
parent 34ff3e789c
commit 0f53a4d294
13 changed files with 2 additions and 2 deletions
--- a/samples/AndroidBeamDemo/src/com/example/android/beam/Beam.java
+++ b/samples/AndroidBeamDemo/src/com/example/android/beam/Beam.java
@@ -0,0 +1,112 @@
+/*
+ * 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;
+    }
+}