Downloaded apk parsing error

[booker-laputa]

Version: 0.10.5

async downloadBinary() {
    const android = RNFetchBlob.android;

    RNFetchBlob
    .config({
        fileCache: true,
    })
    .fetch('GET', "http://www.apkmirror.com/wp-content/uploads/uploaded/5937e1ac2dc69/" + 
                  "com.android.chrome_59.0.3071.92-307109200_minAPI16(armeabi-v7a)" +
                  "(nodpi)_apkmirror.com.apk")
    .progress((received, total) => {
        let currentProgress = received / total;

        this.setState({
            progressViewProps: {
                visible: true,
                progress: currentProgress,
                title: `Downloading Update...\n${Math.round(currentProgress * 100)}%`,
                indeterminate: currentProgress !== 1
            }
        });
    })
    .then((res) => {
        android.actionViewIntent(res.path(), 'application/vnd.android.package-archive')
    })
}

Tried to download an apk file and opening it, it shows parsing error
I have tried using download manager and it works.

[wkh237]

@booker-laputa , perhaps you can try to use path and give a path containing expansion .apk instead, because fileCache would store the response data into a file without extension.

[booker-laputa]

@wkh237 I have tried but it is not working.
I found it very interesting that if I pull that downloaded apk and install it by adb, it seems working flawlessly.

[jaggerwang]

Same on Android 7, it's fine on Android 5 and 6.

Exactly as the following code from README.

const android = RNFetchBlob.android

RNFetchBlob.config({
    addAndroidDownloads : {
      useDownloadManager : true,
      title : 'awesome.apk',
      description : 'An APK that will be installed',
      mime : 'application/vnd.android.package-archive',
      mediaScannable : true,
      notification : true,
    }
})
.fetch('GET', `http://www.example.com/awesome.apk`)
.then((res) => {
    android.actionViewIntent(res.path(), 'application/vnd.android.package-archive')
})

[jaggerwang]

Right now, it's not working on both Android 5 & 6 too:(

[jeaye]

I'm seeing this as well; has anyone worked around it?

[jeaye]

I have diffed the downloaded APK against the source and I've verified they're exactly the same, including the same SHA1 sum. So this isn't an issue of downloading incorrectly.

EDIT 2: I have a PR open for a working solution here: lucasferreira/react-native-send-intent#52

EDIT: Ok, I've tried every combination with this library. I've with with file caching, with and without custom paths, with the download manager, with and without custom paths, with the android.actionViewIntent and also with a custom Intent.ACTION_VIEW. All the while, I have WRITE_EXTERNAL_STORAGE permission.

The only solution which I've found is to write it all myself. For those interested, this does the trick:

    private boolean downloadFile(final String url, final File destFile) {
      try {
        Request request = new Request.Builder().url(url).build();
        Response response = new OkHttpClient().newCall(request).execute();
        ResponseBody body = response.body();
        long contentLength = body.contentLength();
        BufferedSource source = body.source();

        BufferedSink sink = Okio.buffer(Okio.sink(destFile));
        Buffer sinkBuffer = sink.buffer();

        long totalBytesRead = 0;
        int bufferSize = 8 * 1024;
        for (long bytesRead; (bytesRead = source.read(sinkBuffer, bufferSize)) != -1; ) {
          sink.emit();
          totalBytesRead += bytesRead;
        }
        sink.flush();
        sink.close();
        source.close();
        return true;
      }
      catch (final Exception e) {
        e.printStackTrace();
        return false;
      }
    }

    @ReactMethod
    public void installRemoteApp(final String uri, final String saveAs, final Promise promise) {
        final File file = new File(this.reactContext.getExternalFilesDir(null), saveAs);
        final boolean result = downloadFile(uri, file);
        if (result == false) {
          promise.resolve(false);
          return;
        }

        final Intent intent = new Intent(Intent.ACTION_VIEW)
          .setDataAndType(Uri.fromFile(file), "application/vnd.android.package-archive");
        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_GRANT_READ_URI_PERMISSION);

        this.reactContext.startActivity(intent);
        promise.resolve(true);
    }