通过Bundle ID 唤醒App

1:查看手机中安装的所有App的包名

• (void)GetPackageName{
  Class lsawsc = NSClassFromString(@"LSApplicationWorkspace");
  NSObject* workspace = [lsawsc performSelector:NSSelectorFromString(@"defaultWorkspace")];
  NSArray *Arr = [workspace performSelector:NSSelectorFromString(@"allInstalledApplications")];
  for (NSString * tmp in Arr)
  {
  NSString * bundleid = [self getParseBundleIdString:tmp];
  NSLog(@"%@",bundleid);
  }

}

• (NSString *)getParseBundleIdString:(NSString *)description
  {
  NSString * ret = @"";
  NSString * target = [description description];

  // iOS8.0 "LSApplicationProxy: com.apple.videos",
  // iOS8.1 " com.apple.videos",
  // iOS9.0 " com.apple.PhotosViewService "

  if (target == nil)
  {
  return ret;
  }
  NSArray * arrObj = [target componentsSeparatedByString:@" "];
  switch ([arrObj count])
  {
  case 2: // [iOS7.0 ~ iOS8.1)
  case 3: // [iOS8.1 ~ iOS9.0)
  {
  ret = [arrObj lastObject];
  }
  break;

    case 4: // [iOS9 +)
    {
        ret = [arrObj objectAtIndex:2];
    }
        break;
        
    default:
        break;
  

  }
  return ret;
  }

2:通过准确的包名唤起App

• (void)OpenApp{

  Class lsawsc = NSClassFromString(@"LSApplicationWorkspace");
  NSObject* workspace = [lsawsc performSelector:NSSelectorFromString(@"defaultWorkspace")];
  // iOS6 没有defaultWorkspace
  if ([workspace respondsToSelector:NSSelectorFromString(@"openApplicationWithBundleID:")])
  {
  [workspace performSelector:NSSelectorFromString(@"openApplicationWithBundleID:") withObject:@"com.Calendar"];

  }

}