项目介绍：

AYYFPSIndicator

Simple FPS Indicator
FPS = Frames Per Second ,
每秒显示帧数 – 帧率测量单位,详情请参阅 FPS 维基百科

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;
}

参阅

iOS-Core-Animation-Advanced-Techniques
YYFPSLabel
WWFPSIndicator

点此查看使用方法及下载