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.Activity; 21 import android.app.Fragment; 22 import android.nfc.NfcAdapter; 23 import android.os.Bundle; 24 import android.os.Handler; 25 import android.preference.PreferenceActivity; 26 import android.view.Gravity; 27 import android.view.LayoutInflater; 28 import android.view.View; 29 import android.view.ViewGroup; 30 import android.widget.CompoundButton; 31 import android.widget.ImageView; 32 import android.widget.Switch; 33 import com.android.settings.R; 34 35 public class AndroidBeam extends Fragment 36 implements CompoundButton.OnCheckedChangeListener { 37 private View mView; 38 private NfcAdapter mNfcAdapter; 39 private Switch mActionBarSwitch; 40 private CharSequence mOldActivityTitle; 41 42 @Override onCreate(Bundle savedInstanceState)43 public void onCreate(Bundle savedInstanceState) { 44 super.onCreate(savedInstanceState); 45 Activity activity = getActivity(); 46 47 mActionBarSwitch = new Switch(activity); 48 49 if (activity instanceof PreferenceActivity) { 50 final int padding = activity.getResources().getDimensionPixelSize( 51 R.dimen.action_bar_switch_padding); 52 mActionBarSwitch.setPaddingRelative(0, 0, padding, 0); 53 activity.getActionBar().setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM, 54 ActionBar.DISPLAY_SHOW_CUSTOM); 55 activity.getActionBar().setCustomView(mActionBarSwitch, new ActionBar.LayoutParams( 56 ActionBar.LayoutParams.WRAP_CONTENT, 57 ActionBar.LayoutParams.WRAP_CONTENT, 58 Gravity.CENTER_VERTICAL | Gravity.END)); 59 mOldActivityTitle = activity.getActionBar().getTitle(); 60 activity.getActionBar().setTitle(R.string.android_beam_settings_title); 61 } 62 63 mActionBarSwitch.setOnCheckedChangeListener(this); 64 65 mNfcAdapter = NfcAdapter.getDefaultAdapter(getActivity()); 66 mActionBarSwitch.setChecked(mNfcAdapter.isNdefPushEnabled()); 67 } 68 69 @Override onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)70 public View onCreateView(LayoutInflater inflater, ViewGroup container, 71 Bundle savedInstanceState) { 72 mView = inflater.inflate(R.layout.android_beam, container, false); 73 initView(mView); 74 return mView; 75 } 76 77 @Override onDestroyView()78 public void onDestroyView() { 79 super.onDestroyView(); 80 getActivity().getActionBar().setCustomView(null); 81 if (mOldActivityTitle != null) { 82 getActivity().getActionBar().setTitle(mOldActivityTitle); 83 } 84 } 85 initView(View view)86 private void initView(View view) { 87 mActionBarSwitch.setOnCheckedChangeListener(this); 88 mActionBarSwitch.setChecked(mNfcAdapter.isNdefPushEnabled()); 89 } 90 91 @Override onCheckedChanged(CompoundButton buttonView, boolean desiredState)92 public void onCheckedChanged(CompoundButton buttonView, boolean desiredState) { 93 boolean success = false; 94 mActionBarSwitch.setEnabled(false); 95 if (desiredState) { 96 success = mNfcAdapter.enableNdefPush(); 97 } else { 98 success = mNfcAdapter.disableNdefPush(); 99 } 100 if (success) { 101 mActionBarSwitch.setChecked(desiredState); 102 } 103 mActionBarSwitch.setEnabled(true); 104 } 105 } 106