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
17package com.android.settings.nfc;
18
19import android.app.ActionBar;
20import android.app.Activity;
21import android.app.Fragment;
22import android.nfc.NfcAdapter;
23import android.os.Bundle;
24import android.os.Handler;
25import android.preference.PreferenceActivity;
26import android.view.Gravity;
27import android.view.LayoutInflater;
28import android.view.View;
29import android.view.ViewGroup;
30import android.widget.CompoundButton;
31import android.widget.ImageView;
32import android.widget.Switch;
33import com.android.settings.R;
34
35public 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
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
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
78    public void onDestroyView() {
79        super.onDestroyView();
80        getActivity().getActionBar().setCustomView(null);
81        if (mOldActivityTitle != null) {
82            getActivity().getActionBar().setTitle(mOldActivityTitle);
83        }
84    }
85
86    private void initView(View view) {
87        mActionBarSwitch.setOnCheckedChangeListener(this);
88        mActionBarSwitch.setChecked(mNfcAdapter.isNdefPushEnabled());
89    }
90
91    @Override
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