UserInfo.h
+ (UserInfo *) sharedInstance;
UserInfo.m
#import "UserInfo.h"
static UserInfo *sharedObj = nil; //第一步：静态实例，并初始化。
@implementation UserInfo
+ (UserInfo*) sharedInstance //第二步：实例构造检查静态实例是否为nil
{
@synchronized (self)
{
if (sharedObj == nil)
{
sharedObj = [[self alloc] init];
}
}
return sharedObj;
}
+ (id) allocWithZone:(NSZone *)zone //第三步：重写allocWithZone方法
{
@synchronized (self) {
if (sharedObj == nil) {
sharedObj = [super allocWithZone:zone];
return sharedObj;
}
}
return nil;
}
- (id) copyWithZone:(NSZone *)zone //第四步
{
return self;
}
- (id)init
{
@synchronized(self)
{
if (self = [super init])
{
self.environment = ENVIRONMENT_FORMAL;
self.isLogin = NO;
self.userPhone = @"";
self.userName = @"";
self.userSignature = @"";
self.userId = @"";
// 项目
self.sdkAppId = [NSString stringWithFormat:@"%d",kSdkAppId];
self.accountType = [NSString stringWithFormat:@"%d",kSdkAccountType];
self.liveType = LIVE_NONE;
self.isInChatRoom = NO;
self.isInLiveRoom = NO;
//用户登录信息直播信息环境信息
NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults];
NSDictionary* userDic = [userDefaults objectForKey:@"userInfo"];
NSDictionary* liveDic = [userDefaults objectForKey:@"liveInfo"];
NSNumber* environment = [userDefaults objectForKey:@"environment"];
[self setUserFromLocalInfo:userDic];
[self setLiveFromLocalInfo:liveDic];
[self setEnv:environment];
}
return self;
}
}