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/****************************************************************************
**
** Copyright (C) 2016 Centria research and development
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtNfc module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
package org.qtproject.qt5.android.nfc;
import java.lang.Thread;
import java.lang.Runnable;
import android.os.Parcelable;
import android.os.Looper;
import android.content.Context;
import android.app.Activity;
import android.app.PendingIntent;
import android.content.Intent;
import android.content.IntentFilter;
import android.nfc.NfcAdapter;
import android.content.IntentFilter.MalformedMimeTypeException;
import android.os.Bundle;
import android.util.Log;
import android.content.BroadcastReceiver;
public class QtNfc
{
/* static final QtNfc m_nfc = new QtNfc(); */
static private final String TAG = "QtNfc";
static public NfcAdapter m_adapter = null;
static public PendingIntent m_pendingIntent = null;
static public IntentFilter[] m_filters;
static public Context m_context = null;
static public Activity m_activity = null;
static public void setContext(Context context)
{
m_context = context;
if (context instanceof Activity) m_activity = (Activity) context;
m_adapter = NfcAdapter.getDefaultAdapter(context);
if (m_activity == null) {
Log.w(TAG, "New NFC tags will only be recognized with Android activities and not with Android services.");
return;
}
if (m_adapter == null) {
//Log.e(TAG, "No NFC available");
return;
}
m_pendingIntent = PendingIntent.getActivity(
m_activity,
0,
new Intent(m_activity, m_activity.getClass()).addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP),
0);
//Log.d(TAG, "Pending intent:" + m_pendingIntent);
IntentFilter filter = new IntentFilter(NfcAdapter.ACTION_TAG_DISCOVERED);
m_filters = new IntentFilter[]{
filter
};
try {
filter.addDataType("*/*");
} catch(MalformedMimeTypeException e) {
throw new RuntimeException("Fail", e);
}
//Log.d(TAG, "Thread:" + Thread.currentThread().getId());
}
static public boolean start()
{
if (m_adapter == null || m_activity == null) return false;
m_activity.runOnUiThread(new Runnable() {
public void run() {
//Log.d(TAG, "Enabling NFC");
IntentFilter[] filters = new IntentFilter[3];
filters[0] = new IntentFilter();
filters[0].addAction(NfcAdapter.ACTION_TAG_DISCOVERED);
filters[0].addCategory(Intent.CATEGORY_DEFAULT);
filters[1] = new IntentFilter();
filters[1].addAction(NfcAdapter.ACTION_NDEF_DISCOVERED);
filters[1].addCategory(Intent.CATEGORY_DEFAULT);
try {
filters[1].addDataType("*/*");
} catch (MalformedMimeTypeException e) {
throw new RuntimeException("Check your mime type.");
}
// some tags will report as tech, even if they are ndef formated/formatable.
filters[2] = new IntentFilter();
filters[2].addAction(NfcAdapter.ACTION_TECH_DISCOVERED);
String[][] techList = new String[][]{
{"android.nfc.tech.Ndef"},
{"android.nfc.tech.NdefFormatable"}
};
try {
m_adapter.enableForegroundDispatch(m_activity, m_pendingIntent, filters, techList);
} catch(IllegalStateException e) {
// On Android we must call enableForegroundDispatch when the activity is in foreground, only.
Log.d(TAG, "enableForegroundDispatch failed: " + e.toString());
}
}
});
return true;
}
static public boolean stop()
{
if (m_adapter == null || m_activity == null) return false;
m_activity.runOnUiThread(new Runnable() {
public void run() {
//Log.d(TAG, "Disabling NFC");
try {
m_adapter.disableForegroundDispatch(m_activity);
} catch(IllegalStateException e) {
// On Android we must call disableForegroundDispatch when the activity is in foreground, only.
Log.d(TAG, "disableForegroundDispatch failed: " + e.toString());
}
}
});
return true;
}
static public boolean isAvailable()
{
if (m_adapter == null) {
//Log.e(TAG, "No NFC available (Adapter is null)");
return false;
}
return m_adapter.isEnabled();
}
static public boolean isSupported()
{
return (m_adapter != null);
}
static public Intent getStartIntent()
{
Log.d(TAG, "getStartIntent");
if (m_activity == null) return null;
Intent intent = m_activity.getIntent();
if (NfcAdapter.ACTION_NDEF_DISCOVERED.equals(intent.getAction()) ||
NfcAdapter.ACTION_TECH_DISCOVERED.equals(intent.getAction()) ||
NfcAdapter.ACTION_TAG_DISCOVERED.equals(intent.getAction())) {
return intent;
} else {
return null;
}
}
}
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