在xlm中将imeOptions设置为“ actionSearch”以编辑文本
初始化您的监听器 EditText
searchEditText.setOnEditorActionListener(new TextView.OnEditorActionListener() {
    @Override
    public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
        if (actionId == EditorInfo.IME_ACTION_SEARCH) {
            performSearch();
            return true;
        }
        return false;
    }
});
用户单击搜索时隐藏键盘。
private void performSearch() {
    searchEditText.clearFocus();
    InputMethodManager in = (InputMethodManager)getActivity().getSystemService(Context.INPUT_METHOD_SERVICE);
    in.hideSoftInputFromWindow(searchEditText.getWindowToken(), 0);
    ... perform search ...
}
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