iOS scoket 再探。換成了GCDAsyncSocket，並且實現了雙方聊天
學習iOS也有一段時間了。也在試著用iOS來寫專案，感謝各路大神的幫助，就不一一@了。本文只是記載本人的學習過程。
---------------------學如逆水行舟不進則退。
1.這次換成了GCDAsyncSocket框架，先看下完成圖吧
另一方
貼上程式碼吧，有註釋估計不難
客戶
.h
//
// RootViewController.h
// hqhtestsocket
//
// Created by黃權浩 on 14-12-11.
// Copyright (c) 2014年黃權浩. All rights reserved.
//
#import <UIKit/UIKit.h>
#import "GCDAsyncSocket.h"
@interface RootViewController : UIViewController<GCDAsyncSocketDelegate,UITextFieldDelegate>
{
GCDAsyncSocket *socket;
//傳送訊息按鈕
UIButton *sendMg2;
//傳送訊息
//鍵盤彈起來的通知變化
UIView *TestV;
UITextField *textView;
}
@property(strong) GCDAsyncSocket *socket;
//IP
@property (weak, nonatomic) IBOutlet UITextField *ip;
//埠
@property (weak, nonatomic) IBOutlet UITextField *duankou;
//連線伺服器
- (IBAction)lianjie:(id)sender;
//展示訊息
@property (weak, nonatomic) IBOutlet UITextView *showMg;
.m
//
// RootViewController.m
// hqhtestsocket
//
// Created by黃權浩 on 14-12-11.
// Copyright (c) 2014年黃權浩. All rights reserved.
//
#import "RootViewController.h"
@interface RootViewController ()
@end
@implementation RootViewController
@synthesize socket;
- (void)viewDidLoad {
[super viewDidLoad];
//註冊鍵盤通知來讓訊息框彈起
[self registerForKeyboardNotifications];
//搭建聊天的頁面
TestV = [[UIView alloc] initWithFrame:CGRectMake(0, self.view.bounds.size.height-50, 320, 50)];
//開啟互動
TestV.userInteractionEnabled = YES;
TestV.backgroundColor = [UIColor grayColor];
//搞個UITextView
textView = [[UITextField alloc] initWithFrame:CGRectMake(10, 5, 230, 40)];
textView.delegate = self;
textView.borderStyle = UITextBorderStyleRoundedRect;
//搞個傳送訊息的按鈕
UIButton *sendMg = [UIButton buttonWithType:UIButtonTypeCustom];
[sendMg setTitle:@"Send" forState:UIControlStateNormal];
[sendMg setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
[sendMg addTarget:self action:@selector(sendMG) forControlEvents:UIControlEventTouchUpInside];
[sendMg setTitleColor:[UIColor grayColor] forState:UIControlStateHighlighted];
sendMg.frame = CGRectMake(250, 5, 60, 40);
[TestV addSubview:sendMg];
[TestV addSubview:textView];
[self.view addSubview:TestV];
}
//註冊鍵盤彈起來的通知
- (void)registerForKeyboardNotifications
{
//監聽鍵盤擡起
// [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(showContentViewPoint:) name:UIKeyboardWillShowNotification object:nil];
//監聽鍵盤收回
// [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(hiddenContentViewPoint:) name:UIKeyboardWillShowNotification object:nil];
//監聽鍵盤改變
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(changeContentViewPoint:) name:UIKeyboardWillShowNotification object:nil];
}
//鍵盤的通知
- (void)changeContentViewPoint:(NSNotification *)notification{
NSDictionary *userInfo = [notification userInfo];
NSValue *value = [userInfo objectForKey:UIKeyboardFrameEndUserInfoKey];
CGFloat keyBoardEndY = value.CGRectValue.origin.y;
// 得到鍵盤彈出後的鍵盤檢視所在y座標
NSNumber *duration = [userInfo objectForKey:UIKeyboardAnimationDurationUserInfoKey]; NSNumber *curve = [userInfo objectForKey:UIKeyboardAnimationCurveUserInfoKey];
// 新增移動動畫，使檢視跟隨鍵盤移動
[UIView animateWithDuration:duration.doubleValue animations:^{
[UIView setAnimationBeginsFromCurrentState:YES];
[UIView setAnimationCurve:[curve intValue]];
TestV.center = CGPointMake(TestV.center.x, keyBoardEndY - TestV.bounds.size.height/2.0);
// keyBoardEndY的座標包括了狀態列的高度，要減去
}
];
}
//收起鍵盤
- (void)dsms{
[textView resignFirstResponder];
[_duankou resignFirstResponder];
[_ip resignFirstResponder];
//做動畫過渡
[UIView beginAnimations:nil context:nil];
[UIView setAnimationDuration:0.3];
[UIView setAnimationDelegate:self];
TestV.frame = CGRectMake(0, self.view.bounds.size.height-50, 320, 50);
[UIView commitAnimations];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
//將訊息顯示換行
-(void)addText:(NSString *)str
{
_showMg.text = [_showMg.text stringByAppendingFormat:@"%@\n",str];
}
//連線伺服器
- (IBAction)lianjie:(id)sender {
socket = [[GCDAsyncSocket alloc]initWithDelegate:self delegateQueue:dispatch_get_main_queue()];
//socket.delegate = self;
NSError *err = nil;
if(![socket connectToHost:_ip.text onPort:[_duankou.text intValue] error:&err])
{
[self addText:err.description];
}else
{
NSLog(@"ok");
[self addText:@"開啟埠"];
}
[self dsms];
}
//連線到的地方
-(void)socket:(GCDAsyncSocket *)sock didConnectToHost:(NSString *)host port:(uint16_t)port
{
[self addText:[NSString stringWithFormat:@"連線到:%@",host]];
[socket readDataWithTimeout:-1 tag:0];
}
- (void)socketDidDisconnect:(GCDAsyncSocket *)sock withError:(NSError *)err
{
}
-(void)socket:(GCDAsyncSocket *)sock didReadData:(NSData *)data withTag:(long)tag
{
NSString *newMessage = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
[self addText:[NSString stringWithFormat:@"伺服器：%@:%@",sock.connectedHost,newMessage]];
[socket readDataWithTimeout:-1 tag:0];
}
//傳送訊息
- (void)sendMG{
//做動畫過渡
[UIView beginAnimations:nil context:nil];
[UIView setAnimationDuration:0.3];
[UIView setAnimationDelegate:self];
TestV.frame = CGRectMake(0, self.view.bounds.size.height-50, 320, 50);
[UIView commitAnimations];
[socket writeData:[textView.text dataUsingEncoding:NSUTF8StringEncoding] withTimeout:-1 tag:0];
[self addText:[NSString stringWithFormat:@"我:%@",textView.text]];
[textView resignFirstResponder];
[socket readDataWithTimeout:-1 tag:0];
}
@end
nib圖：
另一端 .h
//
// RootViewController.h
// hqhtestsocket
//
// Created by黃權浩 on 14-12-11.
// Copyright (c) 2014年黃權浩. All rights reserved.
//
#import <UIKit/UIKit.h>
#import "GCDAsyncSocket.h"
@interface RootViewController : UIViewController<GCDAsyncSocketDelegate,UITextFieldDelegate>
{
GCDAsyncSocket *socket;
//傳送訊息按鈕
UIButton *sendMg2;
//傳送訊息
//鍵盤彈起來的通知變化
UIView *TestV;
UITextField *textView;
}
@property(strong) GCDAsyncSocket *socket;
//埠
@property (weak, nonatomic) IBOutlet UITextField *duankou;
//連線伺服器
- (IBAction)lianjie:(id)sender;
//展示訊息
@property (weak, nonatomic) IBOutlet UITextView *showMg;
@end
.m//
// RootViewController.m
// hqhtestsocket
//
// Created by黃權浩 on 14-12-11.
// Copyright (c) 2014年黃權浩. All rights reserved.
//
#import "RootViewController.h"
@interface RootViewController ()
@end
@implementation RootViewController
@synthesize socket;
- (void)viewDidLoad {
[super viewDidLoad];
//註冊鍵盤通知來讓訊息框彈起
[self registerForKeyboardNotifications];
//預設埠號
_duankou.text = @"54321";
//搭建聊天的頁面
TestV = [[UIView alloc] initWithFrame:CGRectMake(0, self.view.bounds.size.height-50, 320, 50)];
//開啟互動
TestV.userInteractionEnabled = YES;
TestV.backgroundColor = [UIColor grayColor];
//搞個UITextView
textView = [[UITextField alloc] initWithFrame:CGRectMake(10, 5, 230, 40)];
textView.delegate = self;
textView.borderStyle = UITextBorderStyleRoundedRect;
//搞個傳送訊息的按鈕
UIButton *sendMg = [UIButton buttonWithType:UIButtonTypeCustom];
[sendMg setTitle:@"Send" forState:UIControlStateNormal];
[sendMg setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
[sendMg addTarget:self action:@selector(sendMG) forControlEvents:UIControlEventTouchUpInside];
[sendMg setTitleColor:[UIColor grayColor] forState:UIControlStateHighlighted];
sendMg.frame = CGRectMake(250, 5, 60, 40);
[TestV addSubview:sendMg];
[TestV addSubview:textView];
[self.view addSubview:TestV];
}
- (void)socket:(GCDAsyncSocket *)sender didAcceptNewSocket:(GCDAsyncSocket *)newSocket
{
// The "sender" parameter is the listenSocket we created.
// The "newSocket" is a new instance of GCDAsyncSocket.
// It represents the accepted incoming client connection.
// Do server stuff with newSocket...
[self addText:[NSString stringWithFormat:@"建立與%@的連線",newSocket.connectedHost]];
socket = newSocket;
socket.delegate = self;
[socket readDataWithTimeout:-1 tag:0];
}
-(void)socket:(GCDAsyncSocket *)sock didReadData:(NSData *)data withTag:(long)tag
{
NSString *receive = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
[self addText:[NSString stringWithFormat:@"%@:%@",sock.connectedHost,receive]];
NSString *reply = [NSString stringWithFormat:@"收到:%@",receive];
[socket writeData:[reply dataUsingEncoding:NSUTF8StringEncoding] withTimeout:-1 tag:0];
[socket readDataWithTimeout:-1 tag:0];
}
//註冊鍵盤彈起來的通知
- (void)registerForKeyboardNotifications
{
//監聽鍵盤擡起
// [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(showContentViewPoint:) name:UIKeyboardWillShowNotification object:nil];
//監聽鍵盤收回
// [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(hiddenContentViewPoint:) name:UIKeyboardWillShowNotification object:nil];
//監聽鍵盤改變
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(changeContentViewPoint:) name:UIKeyboardWillShowNotification object:nil];
}
//鍵盤的通知
- (void)changeContentViewPoint:(NSNotification *)notification{
NSDictionary *userInfo = [notification userInfo];
NSValue *value = [userInfo objectForKey:UIKeyboardFrameEndUserInfoKey];
CGFloat keyBoardEndY = value.CGRectValue.origin.y;
// 得到鍵盤彈出後的鍵盤檢視所在y座標
NSNumber *duration = [userInfo objectForKey:UIKeyboardAnimationDurationUserInfoKey]; NSNumber *curve = [userInfo objectForKey:UIKeyboardAnimationCurveUserInfoKey];
// 新增移動動畫，使檢視跟隨鍵盤移動
[UIView animateWithDuration:duration.doubleValue animations:^{
[UIView setAnimationBeginsFromCurrentState:YES];
[UIView setAnimationCurve:[curve intValue]];
TestV.center = CGPointMake(TestV.center.x, keyBoardEndY - TestV.bounds.size.height/2.0);
// keyBoardEndY的座標包括了狀態列的高度，要減去
}
];
}
//收起鍵盤
- (void)dsms{
[textView resignFirstResponder];
[_duankou resignFirstResponder];
//做動畫過渡
[UIView beginAnimations:nil context:nil];
[UIView setAnimationDuration:0.3];
[UIView setAnimationDelegate:self];
TestV.frame = CGRectMake(0, self.view.bounds.size.height-50, 320, 50);
[UIView commitAnimations];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
//將訊息顯示換行
-(void)addText:(NSString *)str
{
_showMg.text = [_showMg.text stringByAppendingFormat:@"%@\n",str];
}
//監聽
- (IBAction)lianjie:(id)sender {
NSLog(@"listen");
socket = [[GCDAsyncSocket alloc] initWithDelegate:self delegateQueue:dispatch_get_main_queue()];
NSError *err = nil;
if(![socket acceptOnPort:[_duankou.text integerValue] error:&err])
{
[self addText:err.description];
}else
{
[self addText:[NSString stringWithFormat:@"開始監聽%d埠.",_duankou.text.integerValue]];
}
}
//連線到的地方
-(void)socket:(GCDAsyncSocket *)sock didConnectToHost:(NSString *)host port:(uint16_t)port
{
[self addText:[NSString stringWithFormat:@"連線到:%@",host]];
[socket readDataWithTimeout:-1 tag:0];
}
- (void)socketDidDisconnect:(GCDAsyncSocket *)sock withError:(NSError *)err
{
}
//傳送訊息
- (void)sendMG{
//做動畫過渡
[UIView beginAnimations:nil context:nil];
[UIView setAnimationDuration:0.3];
[UIView setAnimationDelegate:self];
TestV.frame = CGRectMake(0, self.view.bounds.size.height-50, 320, 50);
[UIView commitAnimations];
[textView resignFirstResponder];
[socket writeData:[textView.text dataUsingEncoding:NSUTF8StringEncoding] withTimeout:-1 tag:0];
[self addText:[NSString stringWithFormat:@"我:%@",textView.text]];
[textView resignFirstResponder];
[socket readDataWithTimeout:-1 tag:0];
}
@end
nib 圖
實現了相互的聊天 --------------------------------------------日日精進 但求無愧-------------------------------------------