getMinZoom

Get the minimum supported zoom factor for the current camera device.

Usage

const minZoom = await camera.current?.getMinZoom();

Returns

Promise<number>

Minimum zoom factor. For devices with ultra-wide lens, this is typically 1.0 (corresponds to 0.5x user-facing zoom).

Example

import { useEffect, useState } from "react";
import { ZCamera } from "@succinctlabs/react-native-zcam1";
 
function CameraScreen({ captureInfo }) {
  const camera = useRef<ZCamera>(null);
  const [zoomRange, setZoomRange] = useState<{ min: number; max: number }>();
 
  useEffect(() => {
    const getZoomInfo = async () => {
      const min = await camera.current?.getMinZoom();
      const max = await camera.current?.getMaxZoom();
      if (min !== undefined && max !== undefined) {
        setZoomRange({ min, max });
      }
    };
    getZoomInfo();
  }, []);
 
  return (
    <>
      <ZCamera ref={camera} captureInfo={captureInfo} />
      <Text>Zoom range: {zoomRange?.min}x - {zoomRange?.max}x</Text>
    </>
  );
}

Notes

For virtual devices with ultra-wide lens, 1.0 = 0.5x user-facing zoom
For devices without ultra-wide, 1.0 = 1x user-facing zoom
Use hasUltraWideCamera() to determine the device configuration