iOS UITableView的Section Footer添加按鈕

iOS UITableView的Section Footer添加按鈕

 

 

在處理UITableView表格時，我們希望在View底部添加按鈕。

使用者拖動UITableView時按鈕能跟隨移動。

如題，實現如下介面：

 

 

- (CGFloat)tableView:(UITableView *)tableView heightForFooterInSection:(NSInteger)section{    if (section >= kSetSetting) {        return 80;    }    else{        return 2;    }}- (UIView *)tableView:(UITableView *)tableView viewForFooterInSection:(NSInteger)section{    if (section >= kSetSetting)    {        UIView *footerView = [[UIView alloc] init];        footerView.userInteractionEnabled = YES;        footerView.backgroundColor = [UIColor clearColor];                UIButton *loginButton = [UIButton buttonWithType:UIButtonTypeSystem];        [loginButton.layer setMasksToBounds:YES];        [loginButton.layer setCornerRadius:5.0];        [loginButton setBackgroundColor:[UIColor brownColor]];        [loginButton setTitle:@登陸 forState:UIControlStateNormal];        [loginButton setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];        [loginButton.titleLabel setFont:[UIFont systemFontOfSize:15]];        [loginButton setTranslatesAutoresizingMaskIntoConstraints:NO];        [loginButton addTarget:self action:@selector(loginBtnClick:) forControlEvents:UIControlEventTouchUpInside];        //[footerView addSubview:btnExit];                [footerView addSubview:loginButton];                UIButton *registerButton = [UIButton buttonWithType:UIButtonTypeSystem];        [registerButton.layer setMasksToBounds:YES];        [registerButton.layer setCornerRadius:5.0];        [registerButton setBackgroundColor:[UIColor brownColor]];        [registerButton setTitle:@註冊 forState:UIControlStateNormal];        [registerButton setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];        [registerButton.titleLabel setFont:[UIFont systemFontOfSize:15]];        [registerButton setTranslatesAutoresizingMaskIntoConstraints:NO];        [registerButton addTarget:self action:@selector(registerBtnClick:) forControlEvents:UIControlEventTouchUpInside];        [footerView addSubview:registerButton];                NSDictionary *constraintsView = NSDictionaryOfVariableBindings(loginButton,registerButton);                [footerView addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@V:|-15-[loginButton]-15-|  options:0 metrics:nil views:constraintsView ]];        [footerView addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@|-20-[loginButton]    options:0 metrics:nil views:constraintsView ]];                [footerView addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@V:|-15-[registerButton(==loginButton)]-15-|  options:0 metrics:nil views:constraintsView ]];        [footerView addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@H:[loginButton]-30-[registerButton(==loginButton)]-20-|    options:0 metrics:nil views:constraintsView]];                return footerView;    }    else    {        return nil;    }}

 

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