react-native-share/lib/module/helpers/requireAndAskPermissions.js

Social share, sending simple data to other apps.

import { Platform, PermissionsAndroid } from 'react-native';
import NativeRNShare from '../../codegenSpec/NativeRNShare';
const ANDROID_KIT_KAT_SDK_VERSION = 19;
const androidPermissionRequestRequired = (typeof Platform.Version === 'string' ? parseInt(Platform.Version, 10) : Platform.Version) < ANDROID_KIT_KAT_SDK_VERSION;
const requireAndAskPermissions = async options => {
  if ((options.url || options.urls) && Platform.OS === 'android') {
    const urls = options.urls || (options.url ? [options.url] : []);
    try {
      const resultArr = await Promise.all(urls.map(url => new Promise((resolve, reject) => {
        NativeRNShare.isBase64File(url).then(isBase64 => {
          resolve(isBase64);
        }).catch(error => {
          reject(error);
        });
      })));
      const requirePermission = resultArr.includes(true);
      if (!requirePermission) {
        return Promise.resolve(true);
      }
      const hasPermission = await PermissionsAndroid.check(PermissionsAndroid.PERMISSIONS.WRITE_EXTERNAL_STORAGE);
      if (hasPermission) {
        return Promise.resolve(true);
      }
      if (androidPermissionRequestRequired) {
        const result = await PermissionsAndroid.request(PermissionsAndroid.PERMISSIONS.WRITE_EXTERNAL_STORAGE);
        if (result === PermissionsAndroid.RESULTS.GRANTED) {
          return Promise.resolve(true);
        }
        throw new Error('Write Permission not available');
      }
    } catch (e) {
      return Promise.reject(e);
    }
  }
  return Promise.resolve(true);
};
export default requireAndAskPermissions;
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