Android FrameWork 之ActivityThread 源码
由之前的源码 我们知道ActivityThread 的创建是在SystemServe中开始的SystemServer.java run 方法private void run() { try { Looper.prepareMainLooper(); Looper.getMainLooper().setSlowLogThresholdMs( SLOW_DISPATCH_THRESHOLD_MS, SLOW_DELIVERY_THRESHO.