react native 相机拍照

安装插件

npm install react-native-image-picker
// 引入
import { launchCamera, launchImageLibrary} from 'react-native-image-picker';

 代码如下

<Button title="点击启动相机" onPress={() => takePhoto()}></Button>
<Button title="点击启动相册" onPress={() => addPhoto()}></Button>


// 相册选择图片
const addPhoto = () => {
  launchImageLibrary(
    {
      mediaType: 'photo', //'photo'照片， 'video'视频， 'mixed'混合
      selectionLimit: 1, // 1为一张，0不限制数量
    },
    res => {
      if (res.assets) {
        console.log(res.assets)
      }
    },
  );
};
// 相机拍照
const takePhoto = () => {
  launchCamera(
    {
      mediaType: 'photo', // 'photo'照片， 'video'视频， 'mixed'混合
      cameraType: 'back', //'back'后置摄像头， 'front'前置相机
    },
    res => {
      if (res.assets) {
        console.log(res.assets)
      }
    },
  );
};