UITextView有inputView 和 inputAccessoryView 两个属性,都指定了对应的视图。 inputAccessoryView 对象显示在 inputView 对象的上面。与输入相关的另一个 reloadInputViews 方法用来又一次加载输入视图。如图:
if (bt.selected == YES) {
bt.selected = NO;
[m_textView setInputView:nil];
[m_textView becomeFirstResponder];
}else if(bt.selected == NO){
addEmojiImgView = [AddEmojiImgView initEmojiImgView];
[m_textView setInputView:addEmojiImgView];
bt.selected = YES;
[m_textView becomeFirstResponder];
}
[m_textView reloadInputViews];