EditInfoActivity.java revision df83424c06ae06bbf3360b9a9f0c3bc6ab2dce4d 
1/*
2 * Copyright (C) 2016 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 */
16package com.android.emergency.edit;
17
18import static android.view.WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD;
19
20import android.app.AlertDialog;
21import android.app.Dialog;
22import android.app.DialogFragment;
23import android.app.Fragment;
24import android.content.ComponentName;
25import android.content.DialogInterface;
26import android.content.SharedPreferences;
27import android.content.pm.PackageManager;
28import android.os.Bundle;
29import android.preference.PreferenceManager;
30import android.util.Pair;
31import android.view.Menu;
32import android.view.MenuInflater;
33import android.view.MenuItem;
34
35import com.android.emergency.EmergencyTabActivity;
36import com.android.emergency.PreferenceKeys;
37import com.android.emergency.R;
38import com.android.emergency.overlay.FeatureFactory;
39import com.android.emergency.view.ViewInfoActivity;
40import com.android.internal.logging.MetricsLogger;
41import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
42
43import java.util.ArrayList;
44
45/**
46 * Activity for editing emergency information.
47 */
48public class EditInfoActivity extends EmergencyTabActivity {
49    static final String TAG_CLEAR_ALL_DIALOG = "clear_all_dialog";
50
51    @Override
52    protected void onCreate(Bundle savedInstanceState) {
53        super.onCreate(savedInstanceState);
54        // Protect against b/28401242 by enabling ViewInfoActivity.
55        // We used to have code that disabled/enabled it and it could have been left in disabled
56        // state.
57        PackageManager pm = getPackageManager();
58        pm.setComponentEnabledSetting(new ComponentName(this, ViewInfoActivity.class),
59                PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, PackageManager.DONT_KILL_APP);
60
61        setContentView(R.layout.edit_activity_layout);
62
63        getWindow().addFlags(FLAG_DISMISS_KEYGUARD);
64        MetricsLogger.visible(this, MetricsEvent.ACTION_EDIT_EMERGENCY_INFO);
65    }
66
67    @Override
68    public boolean onCreateOptionsMenu(Menu menu) {
69        MenuInflater inflater = getMenuInflater();
70        inflater.inflate(R.menu.edit_info_menu, menu);
71        return true;
72    }
73
74    @Override
75    public boolean onOptionsItemSelected(MenuItem item) {
76        switch (item.getItemId()) {
77            case R.id.action_clear_all:
78                showClearAllDialog();
79                return true;
80        }
81        return super.onOptionsItemSelected(item);
82    }
83
84    @Override
85    protected ArrayList<Pair<String, Fragment>> setUpFragments() {
86        FeatureFactory featureFactory = FeatureFactory.getFactory(this);
87
88        // Always return the two fragments in edit mode.
89        ArrayList<Pair<String, Fragment>> fragments = new ArrayList<>(2);
90        fragments.add(Pair.create(getResources().getString(R.string.tab_title_info),
91                EditEmergencyInfoFragment.newInstance()));
92        fragments.add(Pair.create(getResources().getString(R.string.tab_title_contacts),
93                featureFactory.getEmergencyContactsFeatureProvider().createEditContactsFragment()));
94        return fragments;
95    }
96
97    private void showClearAllDialog() {
98        final ClearAllDialogFragment previousFragment =
99                (ClearAllDialogFragment) getFragmentManager()
100                        .findFragmentByTag(EditInfoActivity.TAG_CLEAR_ALL_DIALOG);
101        if (previousFragment == null) {
102            DialogFragment newFragment = ClearAllDialogFragment.newInstance();
103            newFragment.show(getFragmentManager(), TAG_CLEAR_ALL_DIALOG);
104        }
105    }
106
107    private void onClearAllPreferences() {
108        SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
109        for (String key : PreferenceKeys.KEYS_EDIT_EMERGENCY_INFO) {
110            sharedPreferences.edit().remove(key).commit();
111        }
112        sharedPreferences.edit().remove(PreferenceKeys.KEY_EMERGENCY_CONTACTS).commit();
113
114        // Refresh the UI.
115        ViewPagerAdapter adapter = getTabsAdapter();
116        if (adapter != null) {
117            adapter.notifyDataSetChanged();
118        }
119    }
120
121    /**
122     * Dialog shown to the user when they tap on the CLEAR ALL menu item. Using a {@link
123     * DialogFragment} takes care of screen rotation issues.
124     */
125    public static class ClearAllDialogFragment extends DialogFragment {
126
127        @Override
128        public Dialog onCreateDialog(Bundle savedInstanceState) {
129            Dialog dialog = new AlertDialog.Builder(getActivity())
130                    .setMessage(R.string.clear_all_message)
131                    .setPositiveButton(R.string.clear, new DialogInterface.OnClickListener() {
132                        @Override
133                        public void onClick(DialogInterface dialog, int which) {
134                            ((EditInfoActivity) getActivity()).onClearAllPreferences();
135                        }
136                    })
137                    .setNegativeButton(android.R.string.cancel, null)
138                    .create();
139            return dialog;
140        }
141
142        public static DialogFragment newInstance() {
143            return new ClearAllDialogFragment();
144        }
145    }
146}
147