diff --git a/samples/ApiDemos/AndroidManifest.xml b/samples/ApiDemos/AndroidManifest.xml index 35dc7184d..1e4882b79 100644 --- a/samples/ApiDemos/AndroidManifest.xml +++ b/samples/ApiDemos/AndroidManifest.xml @@ -31,6 +31,7 @@ + @@ -2446,6 +2447,13 @@ + + + + + + + + + + diff --git a/samples/ApiDemos/src/com/example/android/apis/nfc/ForegroundDispatch.java b/samples/ApiDemos/src/com/example/android/apis/nfc/ForegroundDispatch.java new file mode 100644 index 000000000..9b6bc345b --- /dev/null +++ b/samples/ApiDemos/src/com/example/android/apis/nfc/ForegroundDispatch.java @@ -0,0 +1,90 @@ +/* + * 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.apis.nfc; + +import com.example.android.apis.R; + +import android.app.Activity; +import android.app.PendingIntent; +import android.content.Intent; +import android.content.IntentFilter; +import android.content.IntentFilter.MalformedMimeTypeException; +import android.nfc.NfcAdapter; +import android.os.Bundle; +import android.util.Log; +import android.widget.TextView; + +/** + * An example of how to use the NFC foreground dispatch APIs. + */ +public class ForegroundDispatch extends Activity { + private NfcAdapter mAdapter; + private PendingIntent mPendingIntent; + private IntentFilter[] mFilters; + private TextView mText; + private int mCount = 0; + + @Override + public void onCreate(Bundle savedState) { + super.onCreate(savedState); + + setContentView(R.layout.foreground_dispatch); + mText = (TextView) findViewById(R.id.text); + mText.setText("Scan a tag"); + + mAdapter = NfcAdapter.getDefaultAdapter(this); + + // Create a generic PendingIntent that will be deliver to this activity. The NFC stack + // will fill in the intent with the details of the discovered tag before delivering to + // this activity. + mPendingIntent = PendingIntent.getActivity(this, 0, + new Intent(this, getClass()).addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP), 0); + + // Setup intent filters for all types of NFC dispatches to intercept all discovered tags + IntentFilter ndef = new IntentFilter(NfcAdapter.ACTION_NDEF_DISCOVERED); + try { + ndef.addDataType("*/*"); + } catch (MalformedMimeTypeException e) { + throw new RuntimeException("fail", e); + } + IntentFilter tech = new IntentFilter(NfcAdapter.ACTION_TECHNOLOGY_DISCOVERED); + tech.addDataScheme("vnd.android.nfc"); + mFilters = new IntentFilter[] { + ndef, + tech, + new IntentFilter(NfcAdapter.ACTION_TAG_DISCOVERED), + }; + } + + @Override + public void onResume() { + super.onResume(); + mAdapter.enableForegroundDispatch(this, mPendingIntent, mFilters); + } + + @Override + public void onNewIntent(Intent intent) { + Log.i("Foreground dispatch", "Discovered tag with intent: " + intent); + mText.setText("Discovered tag " + ++mCount + " with intent: " + intent); + } + + @Override + public void onPause() { + super.onPause(); + mAdapter.disableForegroundDispatch(this); + } +}