bubble聊天
M
V
C
#import "ViewController.h"
#import "ChatCell.h"
#import "ChatModel.h"
@interface ViewController ()<UITableViewDataSource,UITableViewDelegate>{
UITableView *_tableView;
NSMutableArray *_dataArray;
UIView *_chatView;
UITextField *_textField;
}
@end
@implementation ViewController
- (BOOL)prefersStatusBarHidden{
return YES;
}
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
_dataArray = [[NSMutableArray alloc] init];
//屏幕宽高 。
CGSize winSize = self.view.frame.size;
_tableView = [[UITableView alloc] initWithFrame:CGRectMake(0, 0, winSize.width, winSize.height - 40)];
_tableView.delegate = self;
_tableView.dataSource = self;
_tableView.userInteractionEnabled = YES;
// 分隔线d
_tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
[self.view addSubview:_tableView];
_chatView = [[UIView alloc] initWithFrame:CGRectMake(0, winSize.height-40, winSize.width, 40)];
_chatView.backgroundColor = [UIColor grayColor];
_textField.userInteractionEnabled = YES;
[self.view addSubview:_chatView];
_textField = [[UITextField alloc] initWithFrame:CGRectMake(10, 5, winSize.width-60, 30)];
_textField.borderStyle = UITextBorderStyleRoundedRect;
[_chatView addSubview:_textField];
UIButton *button = [UIButton buttonWithType:UIButtonTypeRoundedRect];
button.frame = CGRectMake(winSize.width-40, 5, 30, 30);
[button setTitle:@"发送" forState:UIControlStateNormal];
[button addTarget:self action:@selector(sendText) forControlEvents:UIControlEventTouchUpInside];
[_chatView addSubview:button];
//监听键盘出现
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil];
//监听键盘消失
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillHide:) name:UIKeyboardWillHideNotification object:nil];
}
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event{
[_textField resignFirstResponder];
}
//键盘出现
- (void)keyboardWillShow:(NSNotification *)noti{
//键盘高
CGSize size = [noti.userInfo[UIKeyboardFrameEndUserInfoKey] CGRectValue].size;
//屏幕宽高
CGSize winSize = self.view.frame.size;
//tableview的大小
_tableView.frame = CGRectMake(0, 0, winSize.width, winSize.height - 40 - size.height);
//chatview的位置
_chatView.frame = CGRectMake(0, winSize.height - 40 - size.height, winSize.width, 40);
}
//键盘消失
- (void)keyboardWillHide:(NSNotification *)noti{
//屏幕宽高
CGSize winSize = self.view.frame.size;
//tableview的大小
_tableView.frame = CGRectMake(0, 0, winSize.width, winSize.height - 40);
//chatview的位置
_chatView.frame = CGRectMake(0, winSize.height - 40, winSize.width, 40);
}
//发送文本
- (void)sendText{
ChatModel *chatModel = [[ChatModel alloc] init];
chatModel.content = _textField.text;
chatModel.isSelf = YES;
_textField.text = @"";
[_dataArray addObject:chatModel];
//添加一行
NSIndexPath *indexPath = [NSIndexPath indexPathForRow:_dataArray.count - 1 inSection:0];
[_tableView insertRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationFade];
//滚动到最后一行
[_tableView scrollToRowAtIndexPath:indexPath atScrollPosition:UITableViewScrollPositionBottom animated:YES];
[NSTimer scheduledTimerWithTimeInterval:2.0 target:self selector:@selector(autoSpeak) userInfo:nil repeats:NO];
}
- (void)autoSpeak{
NSArray *array = @[@"好的",@"没问题",@"一边去",@"忙呢",@"去死。"];
ChatModel *chatModel = [[ChatModel alloc] init];
chatModel.content = array[arc4random()%array.count];
chatModel.isSelf = NO;
[_dataArray addObject:chatModel];
//添加一行
NSIndexPath *indexPath = [NSIndexPath indexPathForRow:_dataArray.count - 1 inSection:0];
[_tableView insertRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationFade];
//滚动到最后一行
[_tableView scrollToRowAtIndexPath:indexPath atScrollPosition:UITableViewScrollPositionBottom animated:YES];
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
return _dataArray.count;
}
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{
ChatModel *chatModel = _dataArray[indexPath.row];
CGSize size = [chatModel.content boundingRectWithSize:CGSizeMake(250, 1000) options:NSStringDrawingUsesLineFragmentOrigin attributes:@{NSFontAttributeName:[UIFont systemFontOfSize:15.0]} context:nil].size;
return size.height + 25;
}
- (UITableViewCell*)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
ChatCell *cell = [tableView dequeueReusableCellWithIdentifier:@"ID"];
if (cell == nil) {
cell = [[[NSBundle mainBundle] loadNibNamed:@"ChatCell" owner:self options:nil]firstObject];
cell.selectionStyle = UITableViewCellSelectionStyleNone;
}
ChatModel *chatModel = _dataArray[indexPath.row];
//计算文本所占大小
CGSize size = [chatModel.content boundingRectWithSize:CGSizeMake(250, 1000) options:NSStringDrawingUsesLineFragmentOrigin attributes:@{NSFontAttributeName:[UIFont systemFontOfSize:15.0]} context:nil].size;
CGSize winSize = [[UIScreen mainScreen] bounds].size;
if (chatModel.isSelf) {
//自己发的
cell.rightBubble.hidden = NO;
cell.leftBubble.hidden = YES;
//显示文本
cell.rightLabel.text = chatModel.content;
//重新计算label和气泡的大小
//右边
cell.rightLabel.frame = CGRectMake(10, 5, size.width, size.height);
cell.rightBubble.frame = CGRectMake(winSize.width - 30 - size.width, 5,size.width + 20, size.height + 20);
} else {
//接受到的
cell.rightBubble.hidden = YES;
cell.leftBubble.hidden = NO;
//显示文本
cell.leftLabel.text = chatModel.content;
//重新计算label和气泡的大小
cell.leftLabel.frame = CGRectMake(15, 5, size.width, size.height);
cell.leftBubble.frame = CGRectMake(10, 5, size.width + 20, size.height + 20);
}
return cell;
}
适应TCP可以做一个及时气泡聊天
#import "ViewController.h"
#import "AsyncSocket.h"
@interface ViewController ()<AsyncSocketDelegate>{
IBOutlet UITextField *_ipField;
IBOutlet UITextField *_sendField;
IBOutlet UITextView *_textView;
NSMutableArray *_mArray;
//客户端
AsyncSocket *_clientSocket;
//服务端
AsyncSocket *_serverSocket;
}
- (IBAction)conToHost:(id)sender;
- (IBAction)sendText:(id)sender;
@end
@implementation ViewController
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
_mArray = [[NSMutableArray alloc] init];
//客户端
_clientSocket = [[AsyncSocket alloc] initWithDelegate:self];
//服务端
_serverSocket = [[AsyncSocket alloc] initWithDelegate:self];
//监听有没有客户端连接
[_serverSocket acceptOnPort:5678 error:nil];
}
//监听到客户端已连接,调下面方法时，三次握手已完成,sock只负责监听（_serverSocket),连接是newSocket
- (void)onSocket:(AsyncSocket *)sock didAcceptNewSocket:(AsyncSocket *)newSocket{
[_mArray addObject:newSocket];
//监听客户端发送消息
[newSocket readDataWithTimeout:-1 tag:0];
}
//当监听到客户端发送了消息
- (void)onSocket:(AsyncSocket *)sock didReadData:(NSData *)data withTag:(long)tag{
NSString *str = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
if (_textView.text.length >= 100) {
_textView.text = @"";
}
//消息显示到textview上,sock.connectedHost是客户端的地址
_textView.text = [NSString stringWithFormat:@"%@%@:%@\n",_textView.text,sock.connectedHost,str];
//继续监听客户端发送消息
[sock readDataWithTimeout:-1 tag:0];
}
//连接
- (void)conToHost:(id)sender{
//如果已经连接，先断开
if (_clientSocket.isConnected) {
[_clientSocket disconnect];
}
[_clientSocket connectToHost:_ipField.text onPort:5678 withTimeout:30 error:nil];
}
//连接成功
- (void)onSocket:(AsyncSocket *)sock didConnectToHost:(NSString *)host port:(UInt16)port{
NSLog(@"连接成功");
}
//发送
- (void)sendText:(id)sender{
NSData *data = [_sendField.text dataUsingEncoding:NSUTF8StringEncoding];
_sendField.text = @"";
[_clientSocket writeData:data withTimeout:30 tag:0];
}
//发送成功
- (void)onSocket:(AsyncSocket *)sock didWriteDataWithTag:(long)tag{
NSLog(@"发送成功");
}
