saveImage static method

Future<File?> saveImage(
  1. String fileName,
  2. Uint8List fileData
)

存储图片

Implementation

static Future<File?> saveImage(String fileName, Uint8List fileData) async {
  try {
    var tempDir = await getApplicationDocumentsDirectory();
    var path = "${tempDir.path}/$fileName";
    var file = File(path);
    file = await file.writeAsBytes(fileData);
    return file;
  } catch (_) {
    return null;
  }
}