swift学习笔记之QQ简写

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Qq项目学习

键盘设置点击屏幕后返回

self.messageInputTextField.resignFirstResponder()

需要添加UITextfield的代理

tableview

注册cell

tableViewMessInfo.registerClass(UITableViewCell.self,forCellReuseIdentifier:"cell")

tableViewMessInfo.dataSource =self

tableViewMessInfo.delegate =self

tableViewMessInfo.frame =CGRectMake(0,64, self.view.frame.width,self.view.frame.height -94)

tableViewMessInfo.separatorColor =UIColor.clearColor() //设置背景颜色

tableViewMessInfo.backgroundColor =UIColor.clearColor()

self.view.addSubview(tableViewMessInfo)

cell.selectionStyle = .None

//设置cell的点击风格

点击UITextField被键盘遮住

func textFieldDidBeginEditing(textField:UITextField) {

println("开始输入")

var frame = self.view.frame

frame.origin.y = -260

self.view.frame = frame

} //界面上移动260像素

界面跳转

self.dismissViewControllerAnimated(true, completion:nil)

self.presentViewController(HomeViewController(), animated:true, completion: nil)

tableview重新加载数据

self.tableViewMessInfo.reloadData()

设置导航栏

var navigationItems = UINavigationItem()

var navigationBar = UINavigationBar()

navigationItems.leftBarButtonItem =UIBarButtonItem(title: "返回", style: .Plain, target:self, action: "cancle")

navigationItems.rightBarButtonItem =UIBarButtonItem(title: "关于联系人", style: .Plain, target:self, action: "about")

navigationItems.title ="聊天"

navigationBar.tintColor =UIColor.blueColor()

navigationBar.frame =CGRectMake(0,0,self.view.frame.width,64)

navigationBar.pushNavigationItem(navigationItems, animated:true)

self.view.addSubview(navigationBar)

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