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 */ 16 package com.android.emergency.edit; 17 18 import static android.view.WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD; 19 20 import android.app.Activity; 21 import android.app.AlertDialog; 22 import android.app.Dialog; 23 import android.app.DialogFragment; 24 import android.app.Fragment; 25 import android.content.ComponentName; 26 import android.content.DialogInterface; 27 import android.content.SharedPreferences; 28 import android.content.pm.PackageManager; 29 import android.os.Bundle; 30 import android.support.v14.preference.PreferenceFragment; 31 import android.support.v7.preference.PreferenceManager; 32 import android.util.Pair; 33 import android.view.Menu; 34 import android.view.MenuInflater; 35 import android.view.MenuItem; 36 37 import com.android.emergency.PreferenceKeys; 38 import com.android.emergency.R; 39 import com.android.emergency.overlay.FeatureFactory; 40 import com.android.emergency.util.PreferenceUtils; 41 import com.android.emergency.view.ViewInfoActivity; 42 import com.android.internal.annotations.VisibleForTesting; 43 import com.android.internal.logging.MetricsLogger; 44 import com.android.internal.logging.nano.MetricsProto.MetricsEvent; 45 46 import java.util.ArrayList; 47 48 /** 49 * Activity for editing emergency information. 50 */ 51 public class EditInfoActivity extends Activity { 52 static final String TAG_CLEAR_ALL_DIALOG = "clear_all_dialog"; 53 54 private EditInfoFragment mEditInfoFragment; 55 56 @Override onCreate(Bundle savedInstanceState)57 protected void onCreate(Bundle savedInstanceState) { 58 super.onCreate(savedInstanceState); 59 // Protect against b/28401242 by enabling ViewInfoActivity. 60 // We used to have code that disabled/enabled it and it could have been left in disabled 61 // state. 62 PackageManager pm = getPackageManager(); 63 pm.setComponentEnabledSetting(new ComponentName(this, ViewInfoActivity.class), 64 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, PackageManager.DONT_KILL_APP); 65 66 getActionBar().setDisplayHomeAsUpEnabled(true); 67 68 // We only add a new EditInfoFragment if no fragment is restored. 69 Fragment fragment = getFragmentManager().findFragmentById(android.R.id.content); 70 if (fragment == null) { 71 mEditInfoFragment = new EditInfoFragment(); 72 getFragmentManager().beginTransaction() 73 .add(android.R.id.content, mEditInfoFragment) 74 .commit(); 75 } else { 76 mEditInfoFragment = (EditInfoFragment) fragment; 77 } 78 79 // Show or hide the settings suggestion, depending on whether any emergency settings exist. 80 PreferenceUtils.updateSettingsSuggestionState(this); 81 82 getWindow().addFlags(FLAG_DISMISS_KEYGUARD); 83 MetricsLogger.visible(this, MetricsEvent.ACTION_EDIT_EMERGENCY_INFO); 84 } 85 86 @Override onCreateOptionsMenu(Menu menu)87 public boolean onCreateOptionsMenu(Menu menu) { 88 MenuInflater inflater = getMenuInflater(); 89 inflater.inflate(R.menu.edit_info_menu, menu); 90 return true; 91 } 92 93 @Override onOptionsItemSelected(MenuItem item)94 public boolean onOptionsItemSelected(MenuItem item) { 95 switch (item.getItemId()) { 96 case android.R.id.home: 97 // The user asked to navigate up, which, in this case, can easily be accomplished 98 // by finishing the activity. 99 finish(); 100 return true; 101 102 case R.id.action_clear_all: 103 showClearAllDialog(); 104 return true; 105 } 106 return super.onOptionsItemSelected(item); 107 } 108 109 /** @return The single fragment managed by this activity. */ 110 @VisibleForTesting getFragment()111 public PreferenceFragment getFragment() { 112 return mEditInfoFragment; 113 } 114 showClearAllDialog()115 private void showClearAllDialog() { 116 final ClearAllDialogFragment previousFragment = 117 (ClearAllDialogFragment) getFragmentManager() 118 .findFragmentByTag(EditInfoActivity.TAG_CLEAR_ALL_DIALOG); 119 if (previousFragment == null) { 120 DialogFragment newFragment = ClearAllDialogFragment.newInstance(); 121 newFragment.show(getFragmentManager(), TAG_CLEAR_ALL_DIALOG); 122 } 123 } 124 onClearAllPreferences()125 private void onClearAllPreferences() { 126 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this); 127 for (String key : PreferenceKeys.KEYS_EDIT_EMERGENCY_INFO) { 128 sharedPreferences.edit().remove(key).commit(); 129 } 130 sharedPreferences.edit().remove(PreferenceKeys.KEY_EMERGENCY_CONTACTS).commit(); 131 // Show the settings suggestion again, since no emergency info is set. 132 PreferenceUtils.enableSettingsSuggestion(this); 133 134 // Refresh the UI. 135 mEditInfoFragment.reloadFromPreference(); 136 } 137 138 /** 139 * Dialog shown to the user when they tap on the CLEAR ALL menu item. Using a {@link 140 * DialogFragment} takes care of screen rotation issues. 141 */ 142 public static class ClearAllDialogFragment extends DialogFragment { 143 144 @Override onCreateDialog(Bundle savedInstanceState)145 public Dialog onCreateDialog(Bundle savedInstanceState) { 146 Dialog dialog = new AlertDialog.Builder(getActivity()) 147 .setMessage(R.string.clear_all_message) 148 .setPositiveButton(R.string.clear, new DialogInterface.OnClickListener() { 149 @Override 150 public void onClick(DialogInterface dialog, int which) { 151 ((EditInfoActivity) getActivity()).onClearAllPreferences(); 152 } 153 }) 154 .setNegativeButton(android.R.string.cancel, null) 155 .create(); 156 return dialog; 157 } 158 newInstance()159 public static DialogFragment newInstance() { 160 return new ClearAllDialogFragment(); 161 } 162 } 163 } 164