3.4.4.9 タイムアウト検知

- (void)applicationDidEnterBackground:(UIApplication *)application {
     [[IMATimeoutManager sharedInstance] chkTimeoutStart];
  }
- (void)applicationWillEnterForeground:(UIApplication *)application {
    if ([[IMATimeoutManager sharedInstance] isTimeout] == true) {
        // タイムアウト発生時の実装.
    }
}