1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.settings.nfc; 18 19 import android.app.ActionBar; 20 import android.app.Fragment; 21 import android.content.Context; 22 import android.nfc.NfcAdapter; 23 import android.os.Bundle; 24 import android.os.UserManager; 25 import android.view.LayoutInflater; 26 import android.view.View; 27 import android.view.ViewGroup; 28 import android.widget.Switch; 29 30 import com.android.settings.R; 31 import com.android.settings.SettingsActivity; 32 import com.android.settings.widget.SwitchBar; 33 34 public class AndroidBeam extends Fragment 35 implements SwitchBar.OnSwitchChangeListener { 36 private View mView; 37 private NfcAdapter mNfcAdapter; 38 private SwitchBar mSwitchBar; 39 private CharSequence mOldActivityTitle; 40 private boolean mBeamDisallowed; 41 42 @Override onCreate(Bundle savedInstanceState)43 public void onCreate(Bundle savedInstanceState) { 44 super.onCreate(savedInstanceState); 45 46 final ActionBar actionBar = getActivity().getActionBar(); 47 48 mOldActivityTitle = actionBar.getTitle(); 49 actionBar.setTitle(R.string.android_beam_settings_title); 50 51 mNfcAdapter = NfcAdapter.getDefaultAdapter(getActivity()); 52 mBeamDisallowed = ((UserManager) getActivity().getSystemService(Context.USER_SERVICE)) 53 .hasUserRestriction(UserManager.DISALLOW_OUTGOING_BEAM); 54 } 55 56 @Override onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)57 public View onCreateView(LayoutInflater inflater, ViewGroup container, 58 Bundle savedInstanceState) { 59 mView = inflater.inflate(R.layout.android_beam, container, false); 60 61 return mView; 62 } 63 64 @Override onActivityCreated(Bundle savedInstanceState)65 public void onActivityCreated(Bundle savedInstanceState) { 66 super.onActivityCreated(savedInstanceState); 67 68 SettingsActivity activity = (SettingsActivity) getActivity(); 69 70 mSwitchBar = activity.getSwitchBar(); 71 mSwitchBar.setChecked(!mBeamDisallowed && mNfcAdapter.isNdefPushEnabled()); 72 mSwitchBar.addOnSwitchChangeListener(this); 73 mSwitchBar.setEnabled(!mBeamDisallowed); 74 mSwitchBar.show(); 75 } 76 77 @Override onDestroyView()78 public void onDestroyView() { 79 super.onDestroyView(); 80 if (mOldActivityTitle != null) { 81 getActivity().getActionBar().setTitle(mOldActivityTitle); 82 } 83 mSwitchBar.removeOnSwitchChangeListener(this); 84 mSwitchBar.hide(); 85 } 86 87 @Override onSwitchChanged(Switch switchView, boolean desiredState)88 public void onSwitchChanged(Switch switchView, boolean desiredState) { 89 boolean success = false; 90 mSwitchBar.setEnabled(false); 91 if (desiredState) { 92 success = mNfcAdapter.enableNdefPush(); 93 } else { 94 success = mNfcAdapter.disableNdefPush(); 95 } 96 if (success) { 97 mSwitchBar.setChecked(desiredState); 98 } 99 mSwitchBar.setEnabled(true); 100 } 101 } 102