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我在活動中的片段A中獲得了片段B.按預期工作。 單擊片段B中的項目時,我想顯示一個contextual menu欄。片段內部片段中的上下文菜單(ActionMode)
我正在使用ActionbarSherlock。 我做了什麼這是我的片段B內:
private ActionMode.Callback mActionModeCallback = new ActionMode.Callback() {
@Override
public boolean onCreateActionMode(ActionMode mode, Menu menu) {
MenuInflater inflater = mode.getMenuInflater();
inflater.inflate(R.menu.entry_list_context_menu, menu);
return true;
}
@Override
public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
// make sure no item is selected when bar is shown
adapter.clearSelection();
adapter.notifyDataSetChanged();
return false;
}
@Override
public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
Log.d("EntryList", "Item '" + item.getTitle()
+ "' clicked [onActionItemClicked()]");
return true;
}
@Override
public void onDestroyActionMode(ActionMode mode) {
adapter.clearSelection();
adapter.notifyDataSetChanged();
contextualMode = null;
}
};
private ActionMode contextualMode;
@Override
public void onItemClick(AdapterView<?> parentView, View itemView,
int index, long id) {
DocumentEntity entry = (DocumentEntity) itemView.getTag();
// something went wrong
if (entry == null) {
Log.e("EntryList", "Tag-Less item clicked [onItemClick()]");
return;
}
if (contextualMode != null) {
Log.d("EntryList",
"contextualMode is not yet initialized [onItemClick()]");
contextualMode = getSherlockActivity().startActionMode(
mActionModeCallback);
} else {
Log.d("EntryList",
"contextualMode already initialized [onItemClick()]");
}
entry.setSelected(!entry.isSelected());
Log.d("EntryList", "entry.selected set to " + entry.isSelected()
+ " [onItemClick()]");
}
選擇作品不錯,但沒有上下文動作條顯示。 調試結果是:
contextualMode已初始化[onItemClick()] entry.selected設置 爲 '真'[onItemClick()]
有其中contextualMode設定沒有其他位置。 ..
「我在活動中的片段A中獲得了片段B,按預期工作。」 - 在這種情況下,「期望」意味着「不起作用」,因爲片段內部的片段不被支持,根據寫他們的工程師:http://stackoverflow.com/questions/6847460/fragments-within-fragments/ 6847770#6847770 – CommonsWare