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.preferences;
17 
18 import android.content.Context;
19 import android.os.UserManager;
20 import android.text.TextUtils;
21 import android.util.AttributeSet;
22 import android.widget.ArrayAdapter;
23 
24 import com.android.emergency.ReloadablePreferenceInterface;
25 
26 /**
27  * {@link AutoCompleteEditTextPreference} that prepopulates the edit text view with the name of the
28  * user provided in settings.
29  */
30 public class NameAutoCompletePreference extends AutoCompleteEditTextPreference implements
31         ReloadablePreferenceInterface {
NameAutoCompletePreference(Context context, AttributeSet attrs)32     public NameAutoCompletePreference(Context context, AttributeSet attrs) {
33         super(context, attrs);
34         getAutoCompleteTextView().setAdapter(createAdapter());
35     }
36 
createAdapter()37     private ArrayAdapter createAdapter() {
38         UserManager userManager =
39                 (UserManager) getContext().getSystemService(Context.USER_SERVICE);
40         String[] autocompleteSuggestions = {userManager.getUserName()};
41         return new ArrayAdapter<String>(getContext(),
42                 android.R.layout.simple_dropdown_item_1line, autocompleteSuggestions);
43     }
44 
45 
46     @Override
reloadFromPreference()47     public void reloadFromPreference() {
48         setText(getPersistedString(""));
49     }
50 
51     @Override
isNotSet()52     public boolean isNotSet() {
53         return TextUtils.isEmpty(getText());
54     }
55 
56     @Override
getSummary()57     public CharSequence getSummary() {
58         String text = getText();
59         return TextUtils.isEmpty(text) ? super.getSummary() : text;
60     }
61 }
62