From d43d340db0adc890cf7883fc730c14f6e8ed5924 Mon Sep 17 00:00:00 2001 From: Robert Ly Date: Tue, 27 Sep 2011 16:12:57 -0700 Subject: [PATCH] Android Beam sample for ICS SDK Change-Id: Ie36e39fef96beb39b06f9d3fcfc41b48a890fa0f --- samples/AndroidBeam/AndroidManifest.xml | 40 +++++++ samples/AndroidBeam/_index.html | 3 + .../AndroidBeam/res/drawable-hdpi/icon.png | Bin 0 -> 4147 bytes .../AndroidBeam/res/drawable-ldpi/icon.png | Bin 0 -> 1723 bytes .../AndroidBeam/res/drawable-mdpi/icon.png | Bin 0 -> 2574 bytes samples/AndroidBeam/res/layout/main.xml | 24 ++++ samples/AndroidBeam/res/values/strings.xml | 4 + .../src/com/example/android/beam/Beam.java | 112 ++++++++++++++++++ 8 files changed, 183 insertions(+) create mode 100644 samples/AndroidBeam/AndroidManifest.xml create mode 100755 samples/AndroidBeam/_index.html create mode 100644 samples/AndroidBeam/res/drawable-hdpi/icon.png create mode 100644 samples/AndroidBeam/res/drawable-ldpi/icon.png create mode 100644 samples/AndroidBeam/res/drawable-mdpi/icon.png create mode 100644 samples/AndroidBeam/res/layout/main.xml create mode 100644 samples/AndroidBeam/res/values/strings.xml create mode 100644 samples/AndroidBeam/src/com/example/android/beam/Beam.java diff --git a/samples/AndroidBeam/AndroidManifest.xml b/samples/AndroidBeam/AndroidManifest.xml new file mode 100644 index 000000000..5fb9f552e --- /dev/null +++ b/samples/AndroidBeam/AndroidManifest.xml @@ -0,0 +1,40 @@ + + + + + + + + + + + + + + + + + + diff --git a/samples/AndroidBeam/_index.html b/samples/AndroidBeam/_index.html new file mode 100755 index 000000000..ad4e71a8f --- /dev/null +++ b/samples/AndroidBeam/_index.html @@ -0,0 +1,3 @@ +

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.

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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; + } +}