EditInfoActivity.java revision 432ad365542a71f22c81c341592a16cde9e6be6f 
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.Activity;
21import android.app.AlertDialog;
22import android.app.Dialog;
23import android.app.DialogFragment;
24import android.app.Fragment;
25import android.content.ComponentName;
26import android.content.DialogInterface;
27import android.content.SharedPreferences;
28import android.content.pm.PackageManager;
29import android.os.Bundle;
30import android.preference.PreferenceFragment;
31import android.preference.PreferenceManager;
32import android.util.Pair;
33import android.view.Menu;
34import android.view.MenuInflater;
35import android.view.MenuItem;
36
37import com.android.emergency.PreferenceKeys;
38import com.android.emergency.R;
39import com.android.emergency.overlay.FeatureFactory;
40import com.android.emergency.view.ViewInfoActivity;
41import com.android.internal.annotations.VisibleForTesting;
42import com.android.internal.logging.MetricsLogger;
43import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
44
45import java.util.ArrayList;
46
47/**
48 * Activity for editing emergency information.
49 */
50public class EditInfoActivity extends Activity {
51    static final String TAG_CLEAR_ALL_DIALOG = "clear_all_dialog";
52
53    private EditInfoFragment mEditInfoFragment;
54
55    @Override
56    protected void onCreate(Bundle savedInstanceState) {
57        super.onCreate(savedInstanceState);
58        // Protect against b/28401242 by enabling ViewInfoActivity.
59        // We used to have code that disabled/enabled it and it could have been left in disabled
60        // state.
61        PackageManager pm = getPackageManager();
62        pm.setComponentEnabledSetting(new ComponentName(this, ViewInfoActivity.class),
63                PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, PackageManager.DONT_KILL_APP);
64
65        mEditInfoFragment = new EditInfoFragment();
66        getFragmentManager().beginTransaction()
67            .replace(android.R.id.content, mEditInfoFragment)
68            .commit();
69
70        getWindow().addFlags(FLAG_DISMISS_KEYGUARD);
71        MetricsLogger.visible(this, MetricsEvent.ACTION_EDIT_EMERGENCY_INFO);
72    }
73
74    @Override
75    public boolean onCreateOptionsMenu(Menu menu) {
76        MenuInflater inflater = getMenuInflater();
77        inflater.inflate(R.menu.edit_info_menu, menu);
78        return true;
79    }
80
81    @Override
82    public boolean onOptionsItemSelected(MenuItem item) {
83        switch (item.getItemId()) {
84            case R.id.action_clear_all:
85                showClearAllDialog();
86                return true;
87        }
88        return super.onOptionsItemSelected(item);
89    }
90
91    /** @return The single fragment managed by this activity. */
92    @VisibleForTesting
93    public PreferenceFragment getFragment() {
94        return mEditInfoFragment;
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        mEditInfoFragment.reloadFromPreference();
116    }
117
118    /**
119     * Dialog shown to the user when they tap on the CLEAR ALL menu item. Using a {@link
120     * DialogFragment} takes care of screen rotation issues.
121     */
122    public static class ClearAllDialogFragment extends DialogFragment {
123
124        @Override
125        public Dialog onCreateDialog(Bundle savedInstanceState) {
126            Dialog dialog = new AlertDialog.Builder(getActivity())
127                    .setMessage(R.string.clear_all_message)
128                    .setPositiveButton(R.string.clear, new DialogInterface.OnClickListener() {
129                        @Override
130                        public void onClick(DialogInterface dialog, int which) {
131                            ((EditInfoActivity) getActivity()).onClearAllPreferences();
132                        }
133                    })
134                    .setNegativeButton(android.R.string.cancel, null)
135                    .create();
136            return dialog;
137        }
138
139        public static DialogFragment newInstance() {
140            return new ClearAllDialogFragment();
141        }
142    }
143}
144