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This article mainly introduces "Hongmeng ACE framework how to use JS to call C++". In daily operation, I believe many people have doubts about how to use JS to call C++ in Hongmeng ACE framework. The editor consulted all kinds of materials and sorted out simple and easy-to-use methods of operation. I hope it will be helpful to answer the doubts about "Hongmeng ACE framework how to use JS to call C++". Next, please follow the editor to study!

Hongmeng ACE Framework-call C++ using JS (1)

1. Download compiling and burning code

Https://blog.csdn.net/qq_33259323/article/details/116143820

two。 Write test cases

Open foundation\ ace\ ace_engine_lite\ frameworks\ src\ core\ modules\ app_module.h

Static JSIValue ToggleLed (const JSIValue thisVal, const JSIValue* args, uint8_t argsNum); JSI::SetModuleAPI (exports, "toggleLed", AppModule::ToggleLed)

Open foundation\ ace\ ace_engine_lite\ frameworks\ src\ core\ modules\ app_module.cpp

JSIValue AppModule::ToggleLed (const JSIValue thisVal, const JSIValue * args, uint8_t argsNum) {HILOG_ERROR (HILOG_MODULE_ACE, "led button pressed."); printf ("led button pressed\ n"); return JSI::CreateUndefined ();}

After that, it will be compiled and burned, and the C++ layer will be done.

3. Write HAP

Open C:\ Users\ XX\ AppData\ Local\ Huawei\ Sdk\ js\ 2.1.1.18\ api\ smartVision\ @ system.app.d.ts to add API

Static toggleLed (): void

Then open DEVECO and write a button and a click event on your page.

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