---
sourceType: api-reference
sourceTypeMatchedRule: api-prefix
slug: MA/api/media/camera/cameraContext/setMirror
title: CameraContext.setMirror
---
Bật/tắt chế độ gương cho ảnh.

| Property | Type    | Default | Required | Description | Minimum Version |
| -------- | ------- | ------- | -------- | ----------- | --------------- |
| mirrored | boolean |         | true     |             |                 |

### Code sample — JS

```js
import React, { useEffect, useRef } from "react";
import { Box, Button, Page, Text } from "zmp-ui";
import { createCameraContext, FacingMode } from "zmp-sdk/apis";

const HomePage = () => {
  const cameraRef = useRef(null);
  const videoRef = useRef(null);

  useEffect(() => {
    const videoElement = videoRef.current;
    if (!videoElement) {
      console.log("Media component not ready");
      return;
    }
    if (!cameraRef.current) {
      cameraRef.current = createCameraContext({
        videoElement: videoElement,
        mediaConstraints: {
          width: 640,
          height: 480,
          facingMode: FacingMode.BACK,
          audio: false,
        },
      });
    }
  }, []);

  return (
    <Page>
      <Box>
        
      </Box>

      <Box mx={4} mb={4} mt={5}>
        <Box mt={5} flex alignContent={"center"}>
          <Button
            size={"small"}
            variant="primary"
            onClick={async () => await cameraRef.current?.start()}
          >
            Start Stream
          </Button>
        </Box>

        <Box mb={2} mt={5} flex alignContent={"center"}>
          <Text className="mb-2 mr-2">Mirror:</Text>
          <Button
            size={"small"}
            variant="primary"
            onClick={() => {
              cameraRef.current?.setMirror(true);
            }}
          >
            TRUE
          </Button>
          <Button
            size={"small"}
            variant="primary"
            onClick={() => {
              cameraRef.current?.setMirror(false);
            }}
          >
            FALSE
          </Button>
        </Box>
      </Box>
    </Page>
  );
};

export default HomePage;
```

### Code sample — TS

```ts
import React, { useEffect, useRef } from "react";
import { Box, Button, Page, Text } from "zmp-ui";
import { createCameraContext, FacingMode, ZMACamera, MediaDevice } from "zmp-sdk/apis";

const HomePage = () => {
  const cameraRef = useRef< ZMACamera | null >(null);
  const videoRef = useRef<HTMLVideoElement>(null);
  const [cameraList, setCameraList] = useState<MediaDevice[]>([]);

  useEffect(() => {
    const videoElement = videoRef.current;
    if (!videoElement) {
      console.log("Media component not ready");
      return;
    }
    if (!cameraRef.current) {
      cameraRef.current = createCameraContext({
        videoElement: videoElement,
        mediaConstraints: {
          width: 640,
          height: 480,
          facingMode: FacingMode.BACK,
          audio: false,
        },
      });
    }
  }, []);

  return (
    <Page>
      <Box>
        
      </Box>

      <Box mx={4} mb={4} mt={5}>
        <Box mt={5} flex alignContent={"center"}>
          <Button
            size={"small"}
            variant="primary"
            onClick={async () => await cameraRef.current?.start()}
          >
            Start Stream
          </Button>
        </Box>

        <Box mb={2} mt={5} flex alignContent={"center"}>
          <Text className="mb-2 mr-2">Mirror:</Text>
          <Button
            size={"small"}
            variant="primary"
            onClick={() => {
              cameraRef.current?.setMirror(true);
            }}
          >
            TRUE
          </Button>
          <Button
            size={"small"}
            variant="primary"
            onClick={() => {
              cameraRef.current?.setMirror(false);
            }}
          >
            FALSE
          </Button>
        </Box>
      </Box>
    </Page>
  );
};

export default HomePage;
```