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/*
* Copyright (C) 2015 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.android.commands.svc;
import android.content.Context;
import android.content.pm.IPackageManager;
import android.content.pm.PackageManager;
import android.nfc.INfcAdapter;
import android.os.RemoteException;
import android.os.ServiceManager;
public class NfcCommand extends Svc.Command {
public NfcCommand() {
super("nfc");
}
@Override
public String shortHelp() {
return "Control NFC functions";
}
@Override
public String longHelp() {
return shortHelp() + "\n"
+ "\n"
+ "usage: svc nfc [enable|disable]\n"
+ " Turn NFC on or off.\n\n";
}
@Override
public void run(String[] args) {
boolean validCommand = false;
if (args.length >= 2) {
boolean flag = false;
if ("enable".equals(args[1])) {
flag = true;
validCommand = true;
} else if ("disable".equals(args[1])) {
flag = false;
validCommand = true;
}
if (validCommand) {
IPackageManager pm = IPackageManager.Stub.asInterface(
ServiceManager.getService("package"));
try {
if (pm.hasSystemFeature(PackageManager.FEATURE_NFC)) {
INfcAdapter nfc = INfcAdapter.Stub
.asInterface(ServiceManager.getService(Context.NFC_SERVICE));
try {
if (flag) {
nfc.enable();
} else
nfc.disable(true);
} catch (RemoteException e) {
System.err.println("NFC operation failed: " + e);
}
} else {
System.err.println("NFC feature not supported.");
}
} catch (RemoteException e) {
System.err.println("RemoteException while calling PackageManager, is the "
+ "system running?");
}
return;
}
}
System.err.println(longHelp());
}
}
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