键盘上显示search并响应

在输入框画的焦点后弹出对话框能显示 查找点击并可以进行搜索

<EditText android:imeOptions="actionSearch" /> 
然后editText.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; 
    } 
});