摘要：
从顶层开始：frameworks/base/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java 函数interceptKeyBeforeQueueing之后的流程见下图： 图中真正执行休眠唤醒的代码在frameworks/base/services/jni/com_android_server_PowerManagerService.cpp android_server_PowerManagerService_userActivity 阅读全文