回答編集履歴
8
コード修正
answer
CHANGED
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@@ -48,8 +48,8 @@
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48
48
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}
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49
49
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else
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50
50
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{
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51
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-
groupList = new
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51
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+
groupList = new JavaList<IDictionary<string, object>>();
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52
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-
childList = new
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52
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+
childList = new JavaList<IList<IDictionary<string, object>>>();
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53
53
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54
54
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...
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55
55
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}
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7
コード修正
answer
CHANGED
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@@ -77,5 +77,5 @@
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77
77
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outState.PutSerializable(nameof(groupList), groupList.JavaCast<ISerializable>());
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78
78
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outState.PutSerializable(nameof(childList), childList.JavaCast<ISerializable>());
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79
79
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}
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80
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-
}
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80
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+
}
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81
81
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```
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6
追記
answer
CHANGED
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@@ -20,4 +20,62 @@
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20
20
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});
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21
21
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```
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22
22
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23
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-
あと、ダイアログで入力した値を使うのであれば、この処理は、`SetPositiveButton`の`handler`内でやるべきです。
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23
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+
あと、ダイアログで入力した値を使うのであれば、この処理は、`SetPositiveButton`の`handler`内でやるべきです。
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24
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+
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25
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+
---
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26
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+
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27
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+
リストデータの保存は、`OnSaveInstanceState`で`PutSerializable`で行い、`OnCreate`で、`GetSerializable`で取得します。
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28
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+
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29
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+
```C#
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30
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+
public class MainActivity : Activity
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31
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+
{
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32
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+
private JavaList<IDictionary<string, object>> groupList;
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33
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+
private JavaList<IList<IDictionary<string, object>>> childList;
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34
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+
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35
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+
protected override void OnCreate(Bundle savedInstanceState)
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36
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{
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37
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+
base.OnCreate(savedInstanceState);
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38
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+
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39
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+
// Set our view from the "main" layout resource
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40
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+
SetContentView(Resource.Layout.Main);
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41
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+
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42
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+
...
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43
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+
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44
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+
if (savedInstanceState != null)
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45
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+
{
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46
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+
groupList = savedInstanceState.GetSerializable(nameof(groupList)).JavaCast<JavaList<IDictionary<string, object>>>();
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47
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+
childList = savedInstanceState.GetSerializable(nameof(childList)).JavaCast<JavaList<IList<IDictionary<string, object>>>>();
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48
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+
}
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49
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+
else
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50
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+
{
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51
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+
groupList = new List<IDictionary<string, object>>();
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52
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+
childList = new List<IList<IDictionary<string, object>>>();
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53
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+
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54
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+
...
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55
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+
}
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56
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+
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57
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+
SimpleExpandableListAdapter adapter = new SimpleExpandableListAdapter(
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58
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+
this,
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59
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+
groupList,
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60
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+
Android.Resource.Layout.SimpleExpandableListItem1,
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61
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+
new string[] { "GROUPE_TITLE" },
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62
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+
new int[] { Android.Resource.Id.Text1 },
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63
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+
childList,
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64
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+
Android.Resource.Layout.SimpleExpandableListItem2,
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65
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+
new string[] { "CHILD_TITLE" },
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66
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+
new int[] { Android.Resource.Id.Text2 }
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67
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);
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68
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+
memolist.SetAdapter(adapter);
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69
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+
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70
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+
...
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71
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+
}
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72
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+
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73
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+
protected override void OnSaveInstanceState(Bundle outState)
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74
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+
{
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75
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+
base.OnSaveInstanceState(outState);
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76
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+
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77
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+
outState.PutSerializable(nameof(groupList), groupList.JavaCast<ISerializable>());
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78
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+
outState.PutSerializable(nameof(childList), childList.JavaCast<ISerializable>());
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79
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+
}
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80
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+
}
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81
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+
```
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5
コード修正
answer
CHANGED
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@@ -9,7 +9,7 @@
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9
9
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if (!string.IsNullOrEmpty(notename.Text))
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10
10
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{
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11
11
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var newGroupElement = new JavaDictionary<string, object>();
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12
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-
newGroupElement.Add("
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12
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+
newGroupElement.Add("GROUPE_TITLE", notename.Text);
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13
13
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groupList.Add(newGroupElement);
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14
14
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adapter.NotifyDataSetChanged();
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15
15
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}
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4
コード修正
answer
CHANGED
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@@ -6,7 +6,7 @@
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6
6
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{
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7
7
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Toast.MakeText(this, notename.Text, ToastLength.Short).Show();
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8
8
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|
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9
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-
if (!string.IsNullOrEmpty(notename.Text)
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9
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+
if (!string.IsNullOrEmpty(notename.Text))
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10
10
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{
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11
11
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var newGroupElement = new JavaDictionary<string, object>();
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12
12
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newGroupElement.Add("GROUPE_LIST", notename.Text);
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3
コード修正
answer
CHANGED
|
@@ -4,12 +4,19 @@
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4
4
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```C#
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|
5
5
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dlg.SetPositiveButton("OK", (s, a) =>
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|
6
6
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{
|
|
7
|
-
var newGroupElement = new JavaDictionary<string, object>();
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8
|
-
newGroupElement.Add("GROUPE_LIST", notename.Text);
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9
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-
groupList.Add(newGroupElement);
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10
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-
adapter.NotifyDataSetChanged();
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11
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-
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12
7
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Toast.MakeText(this, notename.Text, ToastLength.Short).Show();
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8
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+
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9
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+
if (!string.IsNullOrEmpty(notename.Text)
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10
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+
{
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11
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+
var newGroupElement = new JavaDictionary<string, object>();
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12
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+
newGroupElement.Add("GROUPE_LIST", notename.Text);
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13
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+
groupList.Add(newGroupElement);
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14
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+
adapter.NotifyDataSetChanged();
|
|
15
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+
}
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|
16
|
+
else
|
|
17
|
+
{
|
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18
|
+
// 未入力エラー
|
|
19
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+
}
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|
13
20
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});
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|
14
21
|
```
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|
15
22
|
|
2
コード修正
answer
CHANGED
|
@@ -9,7 +9,7 @@
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|
9
9
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groupList.Add(newGroupElement);
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10
10
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adapter.NotifyDataSetChanged();
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11
11
|
|
|
12
|
-
Toast.MakeText(this, notename.Text, ToastLength.Short).Show()
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12
|
+
Toast.MakeText(this, notename.Text, ToastLength.Short).Show();
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13
13
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});
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|
14
14
|
```
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|
15
15
|
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1
コード修正
answer
CHANGED
|
@@ -2,10 +2,15 @@
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|
|
2
2
|
また、`groupList`に追加する`groupElement`は新しくオブジェクトを作成しなければいけません。
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3
3
|
|
|
4
4
|
```C#
|
|
5
|
+
dlg.SetPositiveButton("OK", (s, a) =>
|
|
6
|
+
{
|
|
5
|
-
var newGroupElement = new JavaDictionary<string, object>();
|
|
7
|
+
var newGroupElement = new JavaDictionary<string, object>();
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6
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-
newGroupElement.Add("GROUPE_LIST", notename.Text);
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8
|
+
newGroupElement.Add("GROUPE_LIST", notename.Text);
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7
|
-
groupList.Add(newGroupElement);
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9
|
+
groupList.Add(newGroupElement);
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8
|
-
adapter.NotifyDataSetChanged();
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10
|
+
adapter.NotifyDataSetChanged();
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11
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+
|
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12
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+
Toast.MakeText(this, notename.Text, ToastLength.Short).Show());
|
|
13
|
+
});
|
|
9
14
|
```
|
|
10
15
|
|
|
11
16
|
あと、ダイアログで入力した値を使うのであれば、この処理は、`SetPositiveButton`の`handler`内でやるべきです。
|