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.nfc.NfcAdapter; 20 import android.os.Bundle; 21 import android.os.UserHandle; 22 import android.os.UserManager; 23 import android.view.LayoutInflater; 24 import android.view.Menu; 25 import android.view.MenuInflater; 26 import android.view.View; 27 import android.view.ViewGroup; 28 import android.widget.Switch; 29 30 import com.android.internal.logging.nano.MetricsProto.MetricsEvent; 31 import com.android.settings.enterprise.ActionDisabledByAdminDialogHelper; 32 import com.android.settingslib.HelpUtils; 33 import com.android.settings.core.InstrumentedFragment; 34 import com.android.settings.R; 35 import com.android.settings.SettingsActivity; 36 import com.android.settings.widget.SwitchBar; 37 import com.android.settingslib.RestrictedLockUtils; 38 39 import static com.android.settingslib.RestrictedLockUtils.EnforcedAdmin; 40 41 public class AndroidBeam extends InstrumentedFragment 42 implements SwitchBar.OnSwitchChangeListener { 43 private View mView; 44 private NfcAdapter mNfcAdapter; 45 private SwitchBar mSwitchBar; 46 private CharSequence mOldActivityTitle; 47 private boolean mBeamDisallowedByBase; 48 private boolean mBeamDisallowedByOnlyAdmin; 49 50 @Override onCreate(Bundle savedInstanceState)51 public void onCreate(Bundle savedInstanceState) { 52 super.onCreate(savedInstanceState); 53 mNfcAdapter = NfcAdapter.getDefaultAdapter(getActivity()); 54 setHasOptionsMenu(true); 55 } 56 57 @Override onCreateOptionsMenu(Menu menu, MenuInflater inflater)58 public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { 59 super.onCreateOptionsMenu(menu, inflater); 60 HelpUtils.prepareHelpMenuItem(getActivity(), menu, R.string.help_uri_beam, 61 getClass().getName()); 62 } 63 64 @Override onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)65 public View onCreateView(LayoutInflater inflater, ViewGroup container, 66 Bundle savedInstanceState) { 67 final EnforcedAdmin admin = RestrictedLockUtils.checkIfRestrictionEnforced( 68 getActivity(), UserManager.DISALLOW_OUTGOING_BEAM, UserHandle.myUserId()); 69 final UserManager um = UserManager.get(getActivity()); 70 mBeamDisallowedByBase = RestrictedLockUtils.hasBaseUserRestriction(getActivity(), 71 UserManager.DISALLOW_OUTGOING_BEAM, UserHandle.myUserId()); 72 if (!mBeamDisallowedByBase && admin != null) { 73 new ActionDisabledByAdminDialogHelper(getActivity()) 74 .prepareDialogBuilder(UserManager.DISALLOW_OUTGOING_BEAM, admin).show(); 75 mBeamDisallowedByOnlyAdmin = true; 76 return new View(getContext()); 77 } 78 mView = inflater.inflate(R.layout.android_beam, container, false); 79 return mView; 80 } 81 82 @Override onActivityCreated(Bundle savedInstanceState)83 public void onActivityCreated(Bundle savedInstanceState) { 84 super.onActivityCreated(savedInstanceState); 85 86 SettingsActivity activity = (SettingsActivity) getActivity(); 87 88 mOldActivityTitle = activity.getActionBar().getTitle(); 89 90 mSwitchBar = activity.getSwitchBar(); 91 if (mBeamDisallowedByOnlyAdmin) { 92 mSwitchBar.hide(); 93 } else { 94 mSwitchBar.setChecked(!mBeamDisallowedByBase && mNfcAdapter.isNdefPushEnabled()); 95 mSwitchBar.addOnSwitchChangeListener(this); 96 mSwitchBar.setEnabled(!mBeamDisallowedByBase); 97 mSwitchBar.show(); 98 } 99 100 activity.setTitle(R.string.android_beam_settings_title); 101 } 102 103 @Override onDestroyView()104 public void onDestroyView() { 105 super.onDestroyView(); 106 if (mOldActivityTitle != null) { 107 getActivity().getActionBar().setTitle(mOldActivityTitle); 108 } 109 if (!mBeamDisallowedByOnlyAdmin) { 110 mSwitchBar.removeOnSwitchChangeListener(this); 111 mSwitchBar.hide(); 112 } 113 } 114 115 @Override onSwitchChanged(Switch switchView, boolean desiredState)116 public void onSwitchChanged(Switch switchView, boolean desiredState) { 117 boolean success = false; 118 mSwitchBar.setEnabled(false); 119 if (desiredState) { 120 success = mNfcAdapter.enableNdefPush(); 121 } else { 122 success = mNfcAdapter.disableNdefPush(); 123 } 124 if (success) { 125 mSwitchBar.setChecked(desiredState); 126 } 127 mSwitchBar.setEnabled(true); 128 } 129 130 @Override getMetricsCategory()131 public int getMetricsCategory() { 132 return MetricsEvent.NFC_BEAM; 133 } 134 } 135