作者cheenbee，代码AYYFPSIndicator。 AYYFPSIndicator是简单的FPS指标，Simple FPS Indicator FPS = Frames Per Second , 每秒显示帧数 - 帧率测量单位。 使用方法 请在 DEBUG 模式下使用 FPS 监控 1. 默认位置显示 FPS 值 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { // Override point for customization after application launch. #ifdef DEBUG // 1. 默认位置开启 FPS 监听,可拖动 [[AYYFPSIndicator sharedInstance] start]; #endif return YES; } 2. statusBar 显示 FPS值 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { // Override point for customization after application launch. #ifdef DEBUG // 2. 在 statusBar 显示 FPS [[AYYFPSIndicator sharedInstance] start]; [AYYFPSIndicator sharedInstance].indicatorPosition = AYYFPSIndicatorPositionStatusBar; #endif return YES; }