在React Native中下载音频文件？

debugcn 发表于 Dev

奥利弗·D

我正在尝试使用下载音频文件“ mp3” rn-fetch-blob。

所以我有不止一种情况:)

当我尝试像这样向RNFetchBlob配置添加路径时

const pathFile = RNFetchBlob.fs.dirs.MainBundleDir // Or .DocumentDir // Others is crashed my App 'Android';

回调“ then”获得成功，因此它是Log

The file is saved to /data/user/0/com.music/files/RNFetchBlobTmp_1ueoigyb8hoscuuizzsue.mp3

但是，当我尝试在真实设备中浏览此文件时，找不到它们，我也不知道为什么！

因此，Android面临着同样的问题吗？

startDownload = () => {
    const {url} = this.state;
    const pathFile = RNFetchBlob.fs.dirs.DocumentDir;
    let date = new Date();
    RNFetchBlob.config({
      fileCache: true,
      path:
        pathFile +
        '/me_' +
        Math.floor(date.getTime() + date.getSeconds() / 2),
    })
      .fetch('GET', url)
      .then(res => {
        console.log('The file is save to ', res.path()); // It's log here but i can't see the file :\
      })
      .catch(err => console.log('err', err));
  };

奥利弗·D

我首先通过请求许可来解决此问题，然后调用下载功能，

但是实际上我不知道为什么他们告诉我在获得许可之前首先下载的文件：\

所以

requestToPermissions = async () => {
    try {
      const granted = await PermissionsAndroid.request(
        PermissionsAndroid.PERMISSIONS.WRITE_EXTERNAL_STORAGE,
        {
          title: 'Music',
          message:
            'App needs access to your Files... ',
          buttonNeutral: 'Ask Me Later',
          buttonNegative: 'Cancel',
          buttonPositive: 'OK',
        },
      );
      if (granted === PermissionsAndroid.RESULTS.GRANTED) {
        console.log('startDownload...');
        this.startDownload();
      }
    } catch (err) {
      console.log(err);
    }
  };


startDownload = () => {
    const {tunes, token, currentTrackIndex} = this.state;
    let {url, name} = tunes[currentTrackIndex];
    RNFetchBlob.config({
      fileCache: true,
      appendExt: 'mp3',
      addAndroidDownloads: {
        useDownloadManager: true,
        notification: true,
        title: name,
        path: RNFetchBlob.fs.dirs.DownloadDir + `${name}`, // Android platform
        description: 'Downloading the file',
      },
    })
      .fetch('GET', url)
      .then(res => {
        console.log('res', res);
        console.log('The file is save to ', res.path());
      });
  };

本文收集自互联网，转载请注明来源。

如有侵权，请联系[email protected] 删除。