urlToFile static method

Future<File> urlToFile(
  1. String imageUrl, {
  2. String format = 'png',
}) 
File file = await Mixins.urlToFile('FILE-URL');

Implementation

static Future<File> urlToFile(String imageUrl,
    {String format = 'png'}) async {
  try {
    // get temporary directory of device.
    Directory tempDir = await getTemporaryDirectory();

    // get temporary path from temporary directory.
    String tempPath = tempDir.path;

    // create a new file in temporary path with random file name.
    File file =
        File('$tempPath${DateTime.now().millisecondsSinceEpoch}.$format');

    // call http.get method and pass imageUrl into it to get response.
    http.Response response = await http.get(Uri.parse(imageUrl));

    // write bodyBytes received in response to file.
    await file.writeAsBytes(response.bodyBytes);

    // now return the file which is created with random name in
    // temporary directory and image bytes from response is written to // that file.
    return file;
  } catch (e) {
    rethrow;
  }
}