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93bc18a1
编写于
3年前
作者:
X
xuyong
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电子邮件补丁
差异文件
hisysevent tag订阅文档更新
Signed-off-by:
N
xuyong
<
xuyong59@huawei.com
>
上级
70ab54c3
master
E0523
OpenHarmony-3.1-API8-SDK-Public
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zh-cn/device-dev/subsystems/subsys-dfx-hisysevent-read.md
zh-cn/device-dev/subsystems/subsys-dfx-hisysevent-read.md
+13
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未找到文件。
zh-cn/device-dev/subsystems/subsys-dfx-hisysevent-read.md
浏览文件 @
93bc18a1
...
...
@@ -112,17 +112,11 @@ HiSysEvent提供了跨进程订阅机制,开发者可以通过注册订阅接
## 开发实例<a name="section123181432175110"></a>
C++接口实例
订阅HiSysEvent事件
C++接口实例
1.
编译配置文件中增加对hisysevent
\_
native组件libhisyseventmanager库的依赖:
1.
源代码开发
```
external_deps = [ "hisysevent_native:libhisyseventmanager", ]
```
2.
源代码开发
自定义订阅回调实现类DemoListener:
自定义订阅回调实现类头文件DemoListener.h:
```
#ifndef DEMO_LISTENER_H
...
...
@@ -140,9 +134,11 @@ C++接口实例
virtual ~DemoListener() {}
void OnServiceDied();
};
#endif DEMO_LISTENER_H
```
实现订阅回调接口
:
增加DemoListener.cpp文件,在DemoListener类中根据实际需求自定义订阅回调接口的实现逻辑
:
```
#include "demo_listener.h"
...
...
@@ -162,7 +158,7 @@ C++接口实例
}
```
通过HiSysEventManager类提供的AddEventListener接口注册回调对象:
通过HiSysEventManager类提供的AddEventListener接口注册回调对象
,完成对HiSysEvent的订阅
:
```
auto demoListener = std::make_shared<DemoListener>();
...
...
@@ -178,3 +174,9 @@ C++接口实例
sysRules.push_back(domainNameRule);
HiSysEventManager::AddEventListener(demoListener, sysRules);
```
2.
编译配置文件中增加对hisysevent
\_
native组件libhisyseventmanager库的依赖:
```
external_deps = [ "hisysevent_native:libhisyseventmanager", ]
```
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