第一种，手动检查
//
// Harpy.h
// Harpy
//
// Created by Arthur Ariel Sabintsev on 11/14/12.
// Copyright (c) 2012 Arthur Ariel Sabintsev. All rights reserved.
//
#import <Foundation/Foundation.h>
@interface Harpy : NSObject <UIAlertViewDelegate>
/*
Checks the installed version of your application against the version currently available on the iTunes store.
If a newer version exists in the AppStore, it prompts the user to update your app.
*/
+ (void)checkVersion;
@end
//
// Harpy.m
// Harpy
//
// Created by Arthur Ariel Sabintsev on 11/14/12.
// Copyright (c) 2012 Arthur Ariel Sabintsev. All rights reserved.
//
#define kHarpyCurrentVersion [[[NSBundle mainBundle] infoDictionary] objectForKey:(NSString*)kCFBundleVersionKey]
@interface Harpy ()
+ (void)showAlertWithAppStoreVersion:(NSString*)appStoreVersion;
@end
@implementation Harpy
#pragma mark - Public Methods
+ (void)checkVersion
{
// Asynchronously query iTunes AppStore for publically available version
NSString *storeString = [NSString stringWithFormat:@"http://itunes.apple.com/lookup?id=%@", kHarpyAppID];
NSURL *storeURL = [NSURL URLWithString:storeString];
NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:storeURL];
[request setHTTPMethod:@"GET"];
NSOperationQueue *queue = [[NSOperationQueue alloc] init];
[NSURLConnection sendAsynchronousRequest:request queue:queue completionHandler:^(NSURLResponse *response, NSData *data, NSError *error) {
if ( [data length] > 0 && !error ) { // Success
NSDictionary *appData = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingAllowFragments error:nil];
dispatch_async(dispatch_get_main_queue(), ^{
// All versions that have been uploaded to the AppStore
NSArray *versionsInAppStore = [[appData valueForKey:@"results"] valueForKey:@"version"];
if ( ![versionsInAppStore count] ) { // No versions of app in AppStore
return;
} else {
NSString *currentAppStoreVersion = [versionsInAppStore objectAtIndex:0];
if ([kHarpyCurrentVersion compare:currentAppStoreVersion options:NSNumericSearch] == NSOrderedAscending) {
//[Harpy showAlertWithAppStoreVersion:currentAppStoreVersion];
[[NSNotificationCenter defaultCenter]postNotificationName:@"checkCurrentVersion" object:currentAppStoreVersion];
}
else {
// Current installed version is the newest public version or newer
[[NSNotificationCenter defaultCenter]postNotificationName:@"checkCurrentVersion" object:@""];
}
}
});
}
}];
}
#pragma mark - Private Methods
+ (void)showAlertWithAppStoreVersion:(NSString *)currentAppStoreVersion
{
NSString *appName = [[[NSBundle mainBundle] infoDictionary] objectForKey:(NSString*)kCFBundleNameKey];
if ( harpyForceUpdate ) { // Force user to update app
UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:kHarpyAlertViewTitle
message:[NSString stringWithFormat:@"新版本 %@ 可用. 请更新至版本 %@ .", appName, currentAppStoreVersion]
delegate:self
cancelButtonTitle:kHarpyUpdateButtonTitle
otherButtonTitles:nil, nil];
[alertView show];
} else { // Allow user option to update next time user launches your app
UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:kHarpyAlertViewTitle
message:[NSString stringWithFormat:@"新版本 %@ 可用. 请更新至版本 %@ .", appName, currentAppStoreVersion]
delegate:self
cancelButtonTitle:kHarpyCancelButtonTitle
otherButtonTitles:kHarpyUpdateButtonTitle, nil];
[alertView show];
}
}
#pragma mark - UIAlertViewDelegate Methods
+ (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex
{
if ( harpyForceUpdate ) {
NSString *iTunesString = [NSString stringWithFormat:@"https://itunes.apple.com/app/id%@", kHarpyAppID];
NSURL *iTunesURL = [NSURL URLWithString:iTunesString];
[[UIApplication sharedApplication] openURL:iTunesURL];
} else {
switch ( buttonIndex ) {
case 0:{ // Cancel / Not now
// Do nothing
} break;
case 1:{ // Update
NSString *iTunesString = [NSString stringWithFormat:@"https://itunes.apple.com/app/id%@", kHarpyAppID];
NSURL *iTunesURL = [NSURL URLWithString:iTunesString];
[[UIApplication sharedApplication] openURL:iTunesURL];
} break;
default:
break;
}
}
}
@end
//
// HarpyConstants.h
//
//
// Created by Arthur Ariel Sabintsev on 1/30/13.
//
//
/*
Option 1 (DEFAULT): NO gives user option to update during next session launch
Option 2: YES forces user to update app on launch
*/
static BOOL harpyForceUpdate = NO;
// 2. Your AppID (found in iTunes Connect)
#define kHarpyAppID @"807432039" //这里是已经发布的app id在itunes connect中可以查询到
// 3. Customize the alert title and action buttons
#define kHarpyAlertViewTitle @"有可用更新"
#define kHarpyCancelButtonTitle @"取消"
#define kHarpyUpdateButtonTitle @"更新"
//得到appid如果有新的版本就真正到页面去做更新
- (void)startUpdateVersion
{
NSString *iTunesString = [NSString stringWithFormat:@"https://itunes.apple.com/app/id%@", kHarpyAppID];
NSURL *iTunesURL = [NSURL URLWithString:iTunesString];
[[UIApplication sharedApplication] openURL:iTunesURL];
}
第二种自动在屏幕顶部的通知栏中提示有更新
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
｛
[[AWVersionAgent sharedAgent] setDebug:YES];
[[AWVersionAgent sharedAgent] checkNewVersionForApp:kHarpyAppID];
｝
- (void)application:(UIApplication *)application didReceiveLocalNotification:(UILocalNotification *)notification
{
[[AWVersionAgent sharedAgent] upgradeAppWithNotification:notification];
}
//
// AWVersionAgent.h
// AWVersionAgent
//
// Created by Heyward Fann on 1/31/13.
// Copyright (c) 2013 Appwill. All rights reserved.
//
#import <Foundation/Foundation.h>
@interface AWVersionAgent : NSObject
+ (AWVersionAgent *)sharedAgent;
@property (nonatomic) BOOL debug;
- (void)checkNewVersionForApp:(NSString *)appid;
- (void)upgradeAppWithNotification:(UILocalNotification *)notification;
@end
//
// AWVersionAgent.m
// AWVersionAgent
//
// Created by Heyward Fann on 1/31/13.
// Copyright (c) 2013 Appwill. All rights reserved.
//
#import "AWVersionAgent.h"
#define kAppleLookupURLTemplate @"http://itunes.apple.com/lookup?id=%@"
#define kAppStoreURLTemplate @"itms-apps://itunes.apple.com/app/id%@"
#define kUpgradeAlertMessage @"新版本可用, 当前版本: %@, 新版本: %@. 现在从App Store即可更新至新版本."
#define kUpgradeAlertAction @"kUpgradeAlertAction"
#define kUpgradeAlertDelay 3
#define kAWVersionAgentLastNotificationDateKey @"lastNotificationDate"
#define kAWVersionAgentLastCheckVersionDateKey @"lastCheckVersionDate"
@interface AWVersionAgent ()
@property (nonatomic, copy) NSString *appid;
@property (nonatomic) BOOL newVersionAvailable;
@end
@implementation AWVersionAgent
+ (AWVersionAgent *)sharedAgent
{
static AWVersionAgent *sharedAgent = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
sharedAgent = [[AWVersionAgent alloc] init];
});
return sharedAgent;
}
- (void)dealloc
{
[[NSNotificationCenter defaultCenter] removeObserver:self];
[super dealloc];
}
- (id)init
{
self = [super init];
if (self) {
_newVersionAvailable = NO;
_debug = NO;
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(showUpgradeNotification)
name:UIApplicationDidEnterBackgroundNotification
object:nil];
}
return self;
}
- (void)checkNewVersionForApp:(NSString *)appid
{
self.appid = appid;
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
NSString *url = [NSString stringWithFormat:kAppleLookupURLTemplate, _appid];
NSData *data = [NSData dataWithContentsOfURL:[NSURL URLWithString:url]];
if (data && [data length]>0) {
id obj = [NSJSONSerialization JSONObjectWithData:data options:0 error:NULL];
if (obj && [obj isKindOfClass:[NSDictionary class]]) {
NSDictionary *dict = (NSDictionary *)obj;
NSArray *array = dict[@"results"];
if (array && [array count]>0) {
NSDictionary *app = array[0];
NSString *newVersion = app[@"version"];
[[NSUserDefaults standardUserDefaults] setObject:newVersion
forKey:@"kAppNewVersion"];
[[NSUserDefaults standardUserDefaults] synchronize];
NSString *curVersion = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleVersion"];
if (newVersion && curVersion && ![newVersion isEqualToString:curVersion]) {
self.newVersionAvailable = YES;
}
}
}
}
});
}
- (BOOL)conditionHasBeenMet
{
if (_debug) {
return YES;
}
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
NSTimeInterval last = [defaults doubleForKey:kAWVersionAgentLastNotificationDateKey];
NSTimeInterval now = [[NSDate date] timeIntervalSince1970];
if (last <= 0) {
[defaults setDouble:now forKey:kAWVersionAgentLastNotificationDateKey];
[defaults synchronize];
return NO;
}
if (now - last < 60*60*24) {
return NO;
}
return _newVersionAvailable;
}
- (void)showUpgradeNotification
{
if ([self conditionHasBeenMet]) {
UILocalNotification *notification = [[UILocalNotification alloc] init];
notification.fireDate = [[NSDate date] dateByAddingTimeInterval:kUpgradeAlertDelay];
notification.timeZone = [NSTimeZone defaultTimeZone];
NSString *curVersion = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleVersion"];
NSString *newVersion = [[NSUserDefaults standardUserDefaults] objectForKey:@"kAppNewVersion"];
NSString *msg = [NSString stringWithFormat:kUpgradeAlertMessage,
curVersion, newVersion];
notification.alertBody = msg;
notification.alertAction = kUpgradeAlertAction;
[[UIApplication sharedApplication] scheduleLocalNotification:notification];
[[NSUserDefaults standardUserDefaults] setDouble:[[NSDate date] timeIntervalSince1970]
forKey:kAWVersionAgentLastNotificationDateKey];
[[NSUserDefaults standardUserDefaults] synchronize];
}
}
- (void)upgradeAppWithNotification:(UILocalNotification *)notification
{
if ([notification.alertAction isEqualToString:kUpgradeAlertAction]) {
[[UIApplication sharedApplication] cancelLocalNotification:notification];
NSString *url = [NSString stringWithFormat:kAppStoreURLTemplate, _appid];
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:url]];
self.newVersionAvailable = NO;
}
}
@end