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iOS密碼在進(jìn)入后臺(tái)1小時(shí)后重新設(shè)置

 更新時(shí)間:2017年08月18日 14:12:02   作者:弦外雨  
這篇文章主要介紹了iOS密碼在進(jìn)入后臺(tái)1小時(shí)后重新設(shè)置的相關(guān)資料,需要的朋友可以參考下

廢話不多說了,直接給大家貼代碼了,具體代碼如下所示:

AppDelegate.m

#import "AppDelegate.h"
#import "ViewController.h"
@interface AppDelegate ()
@end
@implementation AppDelegate
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
  // Override point for customization after application launch.
  //當(dāng)程序在后臺(tái)停留超過60分的時(shí)候,密碼會(huì)置為空。
  //1小時(shí)后將密碼重新設(shè)置
  [self timeInterval];
  return YES;
}
- (void)applicationWillResignActive:(UIApplication *)application {
  // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
  // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
}
- (void)applicationDidEnterBackground:(UIApplication *)application {
  //計(jì)算時(shí)間差
  [self backTime];
}
- (void)applicationWillEnterForeground:(UIApplication *)application {
  //1小時(shí)后將密碼重新設(shè)置
  [self timeInterval];
}
- (void)applicationDidBecomeActive:(UIApplication *)application {
  // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
}
- (void)applicationWillTerminate:(UIApplication *)application {
  //計(jì)算時(shí)間差
  [self backTime];
}
#pragma -mark -密碼保存1個(gè)小時(shí)
//計(jì)算時(shí)間差
- (void)timeInterval
{
  NSLog(@"---timeInterval----");
  //設(shè)置一個(gè)字符串的時(shí)間
  NSString * dateBackString = [[NSUserDefaults standardUserDefaults] objectForKey:@"backGroundTime"];
  NSLog(@"---dateBackString---%@",dateBackString);
  if ([dateBackString isEqual:[NSNull null]] || dateBackString==nil || dateBackString.length ==0) {
  }
  else
  {
    NSInteger time = [self getTimeInterval:dateBackString];
    if (time >= 60) {
      //1小時(shí)后將密碼清空
      NSUserDefaults *userInfoDefault=[NSUserDefaults standardUserDefaults];
      [userInfoDefault setObject:@"" forKey:@"login-password"];
      [userInfoDefault synchronize];
    }
  }
}
//1小時(shí)后將密碼重新設(shè)置
- (void)backTime
{
  NSLog(@"----backTime-----");
  //計(jì)算上報(bào)時(shí)間差
  NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
  [dateFormatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
  //結(jié)束時(shí)間
  NSDate * currentdate = [NSDate date];
  NSString * currentDateString = [dateFormatter stringFromDate: currentdate];
  NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults];
  [userDefaults setObject:currentDateString forKey:@"backGroundTime"];
  [userDefaults synchronize];
}
//計(jì)算時(shí)間差
- (NSInteger)getTimeInterval:(NSString *)sendDateString
{
  NSInteger minute;
  if (sendDateString ==nil||sendDateString.length==0) {
  }
  else
  {
    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
    [dateFormatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
    //結(jié)束時(shí)間
    NSDate * currentdate = [NSDate date];
    NSDate * currentDate = [dateFormatter dateFromString:[dateFormatter stringFromDate: currentdate]];
    NSDate * endDate = [dateFormatter dateFromString:sendDateString];
    //得到時(shí)間差
    NSTimeInterval time = [currentDate timeIntervalSinceDate:endDate];
    //    int days = ((int)time)/(3600*24);
    //    int hours = ((int)time)%(3600*24)/3600;
    //    minute = ((NSInteger)time)%(3600*24)/3600/60;
    minute = (NSInteger)time;
  }
  return minute;
}
@end

總結(jié)

以上所述是小編給大家介紹的iOS密碼在進(jìn)入后臺(tái)1小時(shí)后重新設(shè)置,希望對(duì)大家有所幫助,如果大家有任何疑問請(qǐng)給我留言,小編會(huì)及時(shí)回復(fù)大家的。在此也非常感謝大家對(duì)腳本之家網(wǎng)站的支持!

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