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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.emergency.edit;
import static android.view.WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.DialogFragment;
import android.app.Fragment;
import android.content.ComponentName;
import android.content.DialogInterface;
import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.support.v14.preference.PreferenceFragment;
import android.support.v7.preference.PreferenceManager;
import android.util.Pair;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import com.android.emergency.PreferenceKeys;
import com.android.emergency.R;
import com.android.emergency.overlay.FeatureFactory;
import com.android.emergency.util.PreferenceUtils;
import com.android.emergency.view.ViewInfoActivity;
import com.android.internal.annotations.VisibleForTesting;
import com.android.internal.logging.MetricsLogger;
import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
import java.util.ArrayList;
/**
* Activity for editing emergency information.
*/
public class EditInfoActivity extends Activity {
static final String TAG_CLEAR_ALL_DIALOG = "clear_all_dialog";
private EditInfoFragment mEditInfoFragment;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Protect against b/28401242 by enabling ViewInfoActivity.
// We used to have code that disabled/enabled it and it could have been left in disabled
// state.
PackageManager pm = getPackageManager();
pm.setComponentEnabledSetting(new ComponentName(this, ViewInfoActivity.class),
PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, PackageManager.DONT_KILL_APP);
getActionBar().setDisplayHomeAsUpEnabled(true);
// We only add a new EditInfoFragment if no fragment is restored.
Fragment fragment = getFragmentManager().findFragmentById(android.R.id.content);
if (fragment == null) {
mEditInfoFragment = new EditInfoFragment();
getFragmentManager().beginTransaction()
.add(android.R.id.content, mEditInfoFragment)
.commit();
} else {
mEditInfoFragment = (EditInfoFragment) fragment;
}
// Show or hide the settings suggestion, depending on whether any emergency settings exist.
PreferenceUtils.updateSettingsSuggestionState(this);
getWindow().addFlags(FLAG_DISMISS_KEYGUARD);
MetricsLogger.visible(this, MetricsEvent.ACTION_EDIT_EMERGENCY_INFO);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.edit_info_menu, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
// The user asked to navigate up, which, in this case, can easily be accomplished
// by finishing the activity.
finish();
return true;
case R.id.action_clear_all:
showClearAllDialog();
return true;
}
return super.onOptionsItemSelected(item);
}
/** @return The single fragment managed by this activity. */
@VisibleForTesting
public PreferenceFragment getFragment() {
return mEditInfoFragment;
}
private void showClearAllDialog() {
final ClearAllDialogFragment previousFragment =
(ClearAllDialogFragment) getFragmentManager()
.findFragmentByTag(EditInfoActivity.TAG_CLEAR_ALL_DIALOG);
if (previousFragment == null) {
DialogFragment newFragment = ClearAllDialogFragment.newInstance();
newFragment.show(getFragmentManager(), TAG_CLEAR_ALL_DIALOG);
}
}
private void onClearAllPreferences() {
SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
for (String key : PreferenceKeys.KEYS_EDIT_EMERGENCY_INFO) {
sharedPreferences.edit().remove(key).commit();
}
sharedPreferences.edit().remove(PreferenceKeys.KEY_EMERGENCY_CONTACTS).commit();
// Show the settings suggestion again, since no emergency info is set.
PreferenceUtils.enableSettingsSuggestion(this);
// Refresh the UI.
mEditInfoFragment.reloadFromPreference();
}
/**
* Dialog shown to the user when they tap on the CLEAR ALL menu item. Using a {@link
* DialogFragment} takes care of screen rotation issues.
*/
public static class ClearAllDialogFragment extends DialogFragment {
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
Dialog dialog = new AlertDialog.Builder(getActivity())
.setMessage(R.string.clear_all_message)
.setPositiveButton(R.string.clear, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
((EditInfoActivity) getActivity()).onClearAllPreferences();
}
})
.setNegativeButton(android.R.string.cancel, null)
.create();
return dialog;
}
public static DialogFragment newInstance() {
return new ClearAllDialogFragment();
}
}
}
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