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.content.Context; 21 import android.nfc.NfcAdapter; 22 import android.os.Bundle; 23 import android.os.UserManager; 24 import android.view.LayoutInflater; 25 import android.view.Menu; 26 import android.view.MenuInflater; 27 import android.view.View; 28 import android.view.ViewGroup; 29 import android.widget.Switch; 30 31 import com.android.internal.logging.MetricsLogger; 32 import com.android.settings.HelpUtils; 33 import com.android.settings.InstrumentedFragment; 34 import com.android.settings.R; 35 import com.android.settings.SettingsActivity; 36 import com.android.settings.widget.SwitchBar; 37 38 public class AndroidBeam extends InstrumentedFragment 39 implements SwitchBar.OnSwitchChangeListener { 40 private View mView; 41 private NfcAdapter mNfcAdapter; 42 private SwitchBar mSwitchBar; 43 private CharSequence mOldActivityTitle; 44 private boolean mBeamDisallowed; 45 46 @Override 47 public void onCreate(Bundle savedInstanceState) { 48 super.onCreate(savedInstanceState); 49 50 final ActionBar actionBar = getActivity().getActionBar(); 51 52 mOldActivityTitle = actionBar.getTitle(); 53 actionBar.setTitle(R.string.android_beam_settings_title); 54 55 mNfcAdapter = NfcAdapter.getDefaultAdapter(getActivity()); 56 mBeamDisallowed = ((UserManager) getActivity().getSystemService(Context.USER_SERVICE)) 57 .hasUserRestriction(UserManager.DISALLOW_OUTGOING_BEAM); 58 setHasOptionsMenu(true); 59 } 60 61 @Override 62 public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { 63 super.onCreateOptionsMenu(menu, inflater); 64 HelpUtils.prepareHelpMenuItem(getActivity(), menu, R.string.help_uri_beam, 65 getClass().getName()); 66 } 67 68 @Override 69 public View onCreateView(LayoutInflater inflater, ViewGroup container, 70 Bundle savedInstanceState) { 71 mView = inflater.inflate(R.layout.android_beam, container, false); 72 73 return mView; 74 } 75 76 @Override 77 public void onActivityCreated(Bundle savedInstanceState) { 78 super.onActivityCreated(savedInstanceState); 79 80 SettingsActivity activity = (SettingsActivity) getActivity(); 81 82 mSwitchBar = activity.getSwitchBar(); 83 mSwitchBar.setChecked(!mBeamDisallowed && mNfcAdapter.isNdefPushEnabled()); 84 mSwitchBar.addOnSwitchChangeListener(this); 85 mSwitchBar.setEnabled(!mBeamDisallowed); 86 mSwitchBar.show(); 87 } 88 89 @Override 90 public void onDestroyView() { 91 super.onDestroyView(); 92 if (mOldActivityTitle != null) { 93 getActivity().getActionBar().setTitle(mOldActivityTitle); 94 } 95 mSwitchBar.removeOnSwitchChangeListener(this); 96 mSwitchBar.hide(); 97 } 98 99 @Override 100 public void onSwitchChanged(Switch switchView, boolean desiredState) { 101 boolean success = false; 102 mSwitchBar.setEnabled(false); 103 if (desiredState) { 104 success = mNfcAdapter.enableNdefPush(); 105 } else { 106 success = mNfcAdapter.disableNdefPush(); 107 } 108 if (success) { 109 mSwitchBar.setChecked(desiredState); 110 } 111 mSwitchBar.setEnabled(true); 112 } 113 114 @Override 115 protected int getMetricsCategory() { 116 return MetricsLogger.NFC_BEAM; 117 } 118 } 119