- (void)openURLContainingAPP{ //通过extensionContext借助host app调起app [self.extensionContext openURL:[NSURL URLWithString:@"appextension://xxx"] completionHandler:^(BOOL success) { NSLog(@"open url result:%d",success); }];}
- (void)saveDataByNSUserDefaults{ NSUserDefaults *shared = [[NSUserDefaults alloc] initWithSuiteName:@"group.com.xxx"]; [shared setObject:@"asdfasdf" forKey:@"widget"]; [shared synchronize];}
- (NSString *)readDataFromNSUserDefaults{ NSUserDefaults *shared = [[NSUserDefaults alloc] initWithSuiteName:@"group.com.xxx"]; NSString *value = [shared valueForKey:@"widget"]; return value;}
- (BOOL)saveDataByNSFileManager{ NSError *err = nil; NSURL *containerURL = [[NSFileManager defaultManager] containerURLForSecurityApplicationGroupIdentifier:@"group.com.xxx"]; containerURL = [containerURL URLByAppendingPathComponent:@"Library/Caches/widget"]; NSString *value = @"asdfasdfasf"; BOOL result = [value writeToURL:containerURL atomically:YES encoding:NSUTF8StringEncoding error:&err]; if (!result) { NSLog(@"%@",err); } else { NSLog(@"save value:%@ success.",value); } return result;}[b]读取数据[/b]
- (NSString *)readDataByNSFileManager{ NSError *err = nil; NSURL *containerURL = [[NSFileManager defaultManager] containerURLForSecurityApplicationGroupIdentifier:@"group.com.xxx"]; containerURL = [containerURL URLByAppendingPathComponent:@"Library/Caches/widget"]; NSString *value = [NSString stringWithContentsOfURL:containerURL encoding:NSUTF8StringEncoding error:&err]; return value;}
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