質問編集履歴
2
画像差し替え
test
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test
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@@ -16,7 +16,7 @@
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-
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1
追記
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test
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@@ -17,3 +17,83 @@
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](e8742ddbdbee970725d22ecccc2623ce.png)
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■サンプルを元に作成したソース
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24
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25
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```Kotlin
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26
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27
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override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
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28
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29
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return activity?.let {
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30
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31
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val selectedItems = ArrayList<Int>() // Where we track the selected items
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32
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33
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val builder = AlertDialog.Builder(it)
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34
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35
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// Set the dialog title
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36
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37
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builder.setTitle(R.string.title_home)
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38
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// Specify the list array, the items to be selected by default (null for none),
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40
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41
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// and the listener through which to receive callbacks when items are selected
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42
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43
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.setMultiChoiceItems(arrayOf("りんご", "みかん", "ぶどう"), null,
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45
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DialogInterface.OnMultiChoiceClickListener { dialog, which, isChecked ->
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46
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47
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if (isChecked) {
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48
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49
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// If the user checked the item, add it to the selected items
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50
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51
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selectedItems.add(which)
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52
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53
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} else if (selectedItems.contains(which)) {
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54
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55
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// Else, if the item is already in the array, remove it
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56
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57
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selectedItems.remove(Integer.valueOf(which))
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58
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59
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}
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60
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61
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})
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62
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63
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// Set the action buttons
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64
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65
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.setPositiveButton(R.string.ok,
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66
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67
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DialogInterface.OnClickListener { dialog, id ->
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68
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69
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// User clicked OK, so save the selectedItems results somewhere
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70
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71
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// or return them to the component that opened the dialog
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72
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73
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74
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75
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})
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77
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.setNegativeButton(R.string.ng,
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79
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DialogInterface.OnClickListener { dialog, id ->
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81
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82
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83
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})
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84
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85
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86
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87
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builder.create()
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88
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89
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} ?: throw IllegalStateException("Activity cannot be null")
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90
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91
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}
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92
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93
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```
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94
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95
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96
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97
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■結果
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98
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99
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+
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