Issue I am creating an App for Android using Cordova, and I would like to open and display a file (PDF or image) that is served from the server as Base64-encoded binary data. Of course I have read the multiple
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Signing a message with hmac and sha256 in dart
Issue I try to generate a sha256 HMAC using a base64-decoded secret key on a message. I would like to use the dart language. In python, I could do it with the following code: # PYTHON CODE import hmac, hashlib,
Continue readingSaving base64 string as .pdf in mobile local storage flutter
Issue This is the path " /data/user/0/com.example.flutter_pdf_proj/app_flutter/example.pdf" i am getting while converting base64 string to bytes using path provider package. I can open the PDF and view in mobile. now i a have to save this PDF in mobile local
Continue readingDoes anyone know how to decode and encode a string in Base64 using Base64?
Issue I am using the following code, but it’s not working. String source = "password"; byte[] byteArray = source.getBytes("UTF-16"); Base64 bs = new Base64(); //bs.encodeBytes(byteArray); System.out.println(bs.encodeBytes(byteArray)); //bs.decode(bs.encodeBytes(byteArray)); System.out.println(bs.decode(bs.encodeBytes(byteArray))); Solution First: Choose an encoding. UTF-8 is generally a good choice; stick
Continue readingPlay audio using base64 data in html5
Issue I have created one application to record audio using native mediaPlayer, converting this audio file into base64 data, passing this in html5 audio tag as below, File file = new File(Environment.getExternalStorageDirectory()+”/”+ “audiofile”+”/”+”myAudio.mp3”); byte[] FileBytes =getBytesFromFile(file); String base64 = Base64.encodeToString(FileBytes,
Continue readingWhy is storing base64 images in firestore considered a bad idea?
Issue I thought that by storing base64 string images, it would be a lot faster, because you don’t need to upload neither download anything, and also a string would occupy less storage than an actual image! I searched about this
Continue readingHow to convert BASE64 string into Image with Flutter?
Issue I’m converting images saved in my Firebase database to Base64 and would like to decode and encode. I’ve researched similar questions, but am still getting errors. Here is what I have so far? var image1 = String; var pic
Continue readingHow to convert varbinary(max) to base64 SQL Server 2014
Issue I have an Image saved as varbinary(max) in SQL Server 2014: 0xFFD8FFE115064578696600004D4D002A0000000800070……….. I want to convert it to Base64 To use it in Flutter. I tried SELECT CAST(” as varbinary(max)) FOR XML PATH(”), BINARY BASE64 and get : MHhGRkQ4RkZFMTE1MDY0NTc4Njk2NjAwMDA0RDREMDAyQTAwMDAwMDA4MDAwN……….
Continue readingHow to convert a Base64 string into a Bitmap image to show it in a ImageView?
Issue I have a Base64 String that represents a BitMap image. I need to transform that String into a BitMap image again to use it on a ImageView in my Android app How to do it? This is the code
Continue readingInvalid character (at character 77) when decoding a base 64 image to show using Image . memory ()
Issue so i was trying to show an image using a base64 string in flutter using the following code: class GeneratedImages extends StatelessWidget { const GeneratedImages({ Key? key, required this.imageBytes, }) : super(key: key); final String imageBytes; @override Widget build(BuildContext
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