回答編集履歴
2
バグ修正
test
CHANGED
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@@ -58,10 +58,12 @@
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58
58
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switch(item.getItemId()) {
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59
59
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case R.id.settings:
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60
60
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openSettings();
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61
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+
return true;
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61
62
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case R.id.help:
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62
63
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showHelp();
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64
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+
return true;
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63
65
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}
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64
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-
return
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66
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+
return false;
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65
67
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}
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66
68
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});
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67
69
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}
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@@ -131,10 +133,12 @@
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131
133
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switch(item.getItemId()) {
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132
134
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case R.id.settings:
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133
135
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openSettings();
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136
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+
return true;
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134
137
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case R.id.help:
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135
138
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showHelp();
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139
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+
return true;
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136
140
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}
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137
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-
return
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141
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+
return false;
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138
142
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}
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139
143
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}, getViewLifecycleOwner(), Lifecycle.State.RESUMED);
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140
144
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}
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1
コード追加
test
CHANGED
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@@ -1,3 +1,145 @@
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1
1
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調査されていますでしょうか。[ドキュメント](https://developer.android.com/reference/androidx/fragment/app/Fragment#onCreateOptionsMenu(android.view.Menu,android.view.MenuInflater)) の文言で検索するだけでもいくつも記事は出てきます。
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2
2
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3
3
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[Menuの表示処理をMenuHostとMenuProviderに置き換える](https://qiita.com/Nabe1216/items/b26b03cbc750ac70a842)
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4
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+
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5
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+
リンク先のコードが kotlin なので java に書き換えてみます。
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6
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+
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7
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+
アクティビティ
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8
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+
```java
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9
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/*
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10
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//Old
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11
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public class ExampleActivity extends AppCompatActivity {
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12
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ExampleActivity() {
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13
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super(R.layout.activity_example);
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14
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}
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15
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+
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16
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+
@Override
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17
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+
public boolean onCreateOptionsMenu(Menu menu) {
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18
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getMenuInflater().inflate(R.menu.menu_main, menu);
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19
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+
return true;
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20
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+
}
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21
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+
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22
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+
@Override
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23
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+
public boolean onOptionsItemSelected(@NonNull MenuItem item) {
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24
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+
switch(item.getItemId()) {
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25
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case R.id.settings:
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26
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openSettings();
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27
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+
return true;
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28
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+
case R.id.help:
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29
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+
showHelp();
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30
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+
return true;
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31
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+
default:
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32
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+
return super.onOptionsItemSelected(item);
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33
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+
}
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34
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+
}
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35
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+
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36
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+
void openSettings() {}
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37
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+
void showHelp() {}
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38
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+
}
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39
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+
*/
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40
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+
//New
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41
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+
public class ExampleActivity extends AppCompatActivity {
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42
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+
ExampleActivity() {
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43
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+
super(R.layout.activity_example);
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44
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+
}
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45
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+
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46
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+
@Override
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47
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+
protected void onCreate(@Nullable Bundle savedInstanceState) {
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48
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+
super.onCreate(savedInstanceState);
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49
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+
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50
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+
addMenuProvider(new MenuProvider() {
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51
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+
@Override
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52
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+
public void onCreateMenu(@NonNull Menu menu, @NonNull MenuInflater menuInflater) {
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53
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+
menuInflater.inflate(R.menu.menu_main, menu);
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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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+
@Override
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57
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public boolean onMenuItemSelected(@NonNull MenuItem item) {
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58
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+
switch(item.getItemId()) {
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59
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case R.id.settings:
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60
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openSettings();
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61
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+
case R.id.help:
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62
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+
showHelp();
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63
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+
}
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64
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+
return true;
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65
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+
}
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66
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+
});
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67
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+
}
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68
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+
|
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69
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+
void openSettings() {}
|
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70
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+
void showHelp() {}
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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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+
フラグメント
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74
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+
```java
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75
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+
/*
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76
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//Old
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|
77
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+
public class ExampleFragment extends Fragment {
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78
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+
ExampleFragment() {
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79
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super(R.layout.fragment_example);
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80
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+
}
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81
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+
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82
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+
@Override
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|
83
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+
public void onCreate(@Nullable Bundle savedInstanceState) {
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84
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+
super.onCreate(savedInstanceState); //必要
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|
85
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+
setHasOptionsMenu(true);
|
|
86
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+
}
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|
87
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+
|
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88
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+
@Override
|
|
89
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+
public void onCreateOptionsMenu(@NonNull Menu menu, @NonNull MenuInflater inflater) {
|
|
90
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+
//super.onCreateOptionsMenu(menu, inflater); //不要
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|
91
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+
inflater.inflate(R.menu.menu_example, menu);
|
|
92
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+
}
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|
93
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+
|
|
94
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+
@Override
|
|
95
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+
public boolean onOptionsItemSelected(@NonNull MenuItem item) {
|
|
96
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+
switch(item.getItemId()) {
|
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97
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+
case R.id.settings:
|
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98
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+
openSettings();
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99
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+
return true;
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|
100
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+
case R.id.help:
|
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101
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+
showHelp();
|
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102
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+
return true;
|
|
103
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+
default:
|
|
104
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+
return super.onOptionsItemSelected(item);
|
|
105
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+
}
|
|
106
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+
}
|
|
107
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+
|
|
108
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+
void openSettings() {}
|
|
109
|
+
void showHelp() {}
|
|
110
|
+
}
|
|
111
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+
*/
|
|
112
|
+
//New
|
|
113
|
+
public class ExampleFragment extends Fragment {
|
|
114
|
+
ExampleFragment() {
|
|
115
|
+
super(R.layout.fragment_example);
|
|
116
|
+
}
|
|
117
|
+
|
|
118
|
+
@Override
|
|
119
|
+
public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
|
|
120
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+
super.onViewCreated(view, savedInstanceState);
|
|
121
|
+
|
|
122
|
+
MenuHost menuHost = requireActivity();
|
|
123
|
+
menuHost.addMenuProvider(new MenuProvider() {
|
|
124
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+
@Override
|
|
125
|
+
public void onCreateMenu(@NonNull Menu menu, @NonNull MenuInflater menuInflater) {
|
|
126
|
+
menuInflater.inflate(R.menu.menu_example, menu);
|
|
127
|
+
}
|
|
128
|
+
|
|
129
|
+
@Override
|
|
130
|
+
public boolean onMenuItemSelected(@NonNull MenuItem item) { //変数名間違えてる
|
|
131
|
+
switch(item.getItemId()) {
|
|
132
|
+
case R.id.settings:
|
|
133
|
+
openSettings();
|
|
134
|
+
case R.id.help:
|
|
135
|
+
showHelp();
|
|
136
|
+
}
|
|
137
|
+
return true;
|
|
138
|
+
}
|
|
139
|
+
}, getViewLifecycleOwner(), Lifecycle.State.RESUMED);
|
|
140
|
+
}
|
|
141
|
+
|
|
142
|
+
void openSettings() {}
|
|
143
|
+
void showHelp() {}
|
|
144
|
+
}
|
|
145
|
+
```
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