显示界面的流畅性FHHFPSIndicator

github地址https://github.com/jvjishou/FHHFPSIndicator

1.使用cocoapods  pod 'FHHFPSIndicator'

使用方法：

然后在AppDelegate.m文件中添加以下代码即可
#if defined(DEBUG) || defined(_DEBUG)
#import "FHHFPSIndicator.h"
#endif
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    // Override point for customization after application launch.

    self.window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
    [self.window makeKeyAndVisible];

    // add the follwing code after the window become keyAndVisible
    #if defined(DEBUG) || defined(_DEBUG)
        [[FHHFPSIndicator sharedFPSIndicator] show];
//        [FHHFPSIndicator sharedFPSIndicator].fpsLabelPosition = FPSIndicatorPositionTopRight;
    #endif

    self.window.rootViewController = [[UINavigationController alloc] initWithRootViewController:[[HomeViewController alloc] init]];

    return YES;
}
注意：必须在：

[self.window makeKeyAndVisible];
之后添加。