InputDispathcer

分析：

打开log

请将下列文件中的相关日志打开，将0置为非0值，如1，单编后将库文件push到system/lib下，重启手机，并重新在问题复现的条件下抓取日志，感谢！

frameworks/base/services/input/InputReader.cpp

define DEBUG_RAW_EVENTS 1

define DEBUG_HACKS 1

define DEBUG_VIRTUAL_KEYS 1

define DEBUG_POINTERS 1

define DEBUG_POINTER_ASSIGNMENT 1

define DEBUG_GESTURES 1

define DEBUG_VIBRATOR 1

frameworks/base/services/input/InputDispatcher.cpp

define DEBUG_INBOUND_EVENT_DETAILS 1

define DEBUG_OUTBOUND_EVENT_DETAILS 1

define DEBUG_DISPATCH_CYCLE 1

define DEBUG_REGISTRATION 1

define DEBUG_INJECTION 1

define DEBUG_FOCUS 1

define DEBUG_APP_SWITCH 1

define DEBUG_HOVER 1

AKEY_EVENT_ACTION_UP

struct RawEvent {  
    nsecs_t when;        //事件发生的时间  
    int32_t deviceId;    //产生此事件的设备,比如发送FINISHED_DEVICE_SCAN,不需要填此项  
    int32_t type;        //事件类型(如:DEVICE_ADDED,DEVICE_REMOVED,FINISHED_DEVICE_SCAN)  
    int32_t scanCode;  
    int32_t keyCode;  
    int32_t value;  
    uint32_t flags;  
};