Base64 is an encoding algorithm that converts any characters, binary data, and even images or sound files into a readable string , which can be saved or transported over the network without data loss. The characters generated from Base64 encoding consist of Latin letters, digits, plus, and slash.
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toByteData() method allows converting the image into a byte array. We need to pass the format in the format argument which specifies the format in which the bytes will be returned. It’ll return the future that completes with binary data or error.
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here comes the main function which will convert any Image URL to the File format. Future<File> urlToFile(String imageUrl) async {// generate random number. var rng = new Random();// get temporary directory of device. Directory tempDir = await getTemporaryDirectory();// get temporary path from temporary directory.
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Base64Codec const base64. A base64 encoder and decoder . It encodes using the default base64 alphabet, decodes using both the base64 and base64url alphabets, does not allow invalid characters and requires padding. Examples: var encoded = base64.
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Decode Base64 to Image To convert a Base64 String into Image, we need to do 2 steps: use base64Decode() function which is shorthand for base64. decode() to decode Base64 to bytes . Uint8List base64Decode(String source) => base64.16 Mar 2022
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