/*
* Copyright (C) 2012 The CyanogenMod 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.android.settings.profiles;
import java.util.UUID;
import android.app.Activity;
import android.app.PendingIntent;
import android.app.Profile;
import android.app.ProfileManager;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.nfc.NfcAdapter;
import android.nfc.Tag;
import android.os.Bundle;
import android.util.Log;
import android.widget.Toast;
import com.android.settings.R;
/**
* Activity to support writing a profile to an NFC tag.
* The mime type is "cm/profile" and the payload is the raw bytes of the profile's
* UUID. The payload was intentionally kept small to support writing on 46-byte tags.
*/
public class NFCProfileWriter extends Activity {
private static final String TAG = "NFCProfileWriter";
static final String EXTRA_PROFILE_UUID = "PROFILE_UUID";
private NfcAdapter mNfcAdapter;
private IntentFilter[] mWriteTagFilters;
private Profile mProfile;
private ProfileManager mProfileManager;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mNfcAdapter = NfcAdapter.getDefaultAdapter(this);
mProfileManager = (ProfileManager) getSystemService(Context.PROFILE_SERVICE);
setContentView(R.layout.nfc_writer);
setTitle(R.string.profile_write_nfc_tag);
}
@Override
public void onResume() {
super.onResume();
String profileUuid = getIntent().getStringExtra(EXTRA_PROFILE_UUID);
if (profileUuid != null) {
mProfile = mProfileManager.getProfile(UUID.fromString(profileUuid));
Log.d(TAG, "Profile to write: " + mProfile.getName());
enableTagWriteMode();
}
}
@Override
protected void onPause() {
super.onPause();
disableTagWriteMode();
}
private PendingIntent getPendingIntent() {
return PendingIntent.getActivity(this, 0,
new Intent(this, getClass()).addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP), 0);
}
private void disableTagWriteMode() {
mNfcAdapter.disableForegroundDispatch(this);
}
private void enableTagWriteMode() {
IntentFilter tagDetected = new IntentFilter(NfcAdapter.ACTION_TAG_DISCOVERED);
mWriteTagFilters = new IntentFilter[] {
tagDetected
};
mNfcAdapter.enableForegroundDispatch(this, getPendingIntent(), mWriteTagFilters, null);
}
@Override
protected void onNewIntent(Intent intent) {
// Tag writing mode
if (NfcAdapter.ACTION_TAG_DISCOVERED.equals(intent.getAction())) {
Tag detectedTag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
if (NFCProfileUtils.writeTag(NFCProfileUtils.getProfileAsNdef(mProfile), detectedTag)) {
Toast.makeText(this, R.string.profile_write_success, Toast.LENGTH_LONG).show();
NFCProfileUtils.vibrate(this);
} else {
Toast.makeText(this, R.string.profile_write_failed, Toast.LENGTH_LONG).show();
}
finish();
}
}
}