![]() ![]() Refer to the Java Base64 documentation for additional utilities. Kotlin makes it easy to integrate Base64 conversions in your applications. Understanding Base64 encoding unlocks new possibilities for processing binary dataīase64 is an essential technique developers should know.Useful for transmitting media, storing data, and securing information.Decode Base64 by using code() and converting bytes to string.Encode strings by converting to bytes and using Base64.encodeToString().Kotlin provides simple encoding/decoding via the Base64 class.Base64 encoding allows arbitrary binary data to be converted to and from ASCII text.Sensitive data should be encrypted first. Not Encryption, Just Encodingīase64 provides encoding, not encryption. There are also some disadvantages to consider: Encoded Data is 33% Largerīase64 encoding increases the data size by about 33% compared to the original binary data. Allows Transmission Over Text-based Systemsīase64 encoded data can be easily transmitted over text-only protocols like HTTP, email, etc. Wide Support Across Languages and Platformsīase64 has support in almost every programming language and platform, making it universally usable. Here are some of the key advantages of using Base64 encoding: Encodes Any Binary Data as Textīase64 can encode any arbitrary binary data like images, executables, csv files, etc into a text format. Encryption and Securing Dataīase64 is commonly used to encode encrypted data before transmitting or storing. Embedding Media in Codeĭirectly embed images, videos, etc in textual documents like HTML by encoding them as Base64 strings. Save binary data like images and documents in a database by first encoding to Base64 string format. Here are some common use cases for Base64 encoding and decoding in Kotlin: Transmitting Data Over NetworksĮncode binary data to Base64 in order to transmit it over text-based networks like HTTP, SMTP, etc. Here’s how to encode strings to Base64 in Kotlin: Importing Kotlin’s Base64 Library Kotlin provides built-in Base64 encoding and decoding through the 64 class. Necessary for embedding media like images in textual documentsĮncoding: Binary data -> Break into 3 byte chunks -> Split into 6-bit groups -> Map to Base64 table -> Output as ASCII stringĭecoding: ASCII string -> Break into 4 char groups -> Map from Base64 table -> Combine 6-bit groups -> Merge into 3 byte chunks -> Output original binary dataĭecoding reverses the encoding process to reconstruct the original binary data from the Base64 string.Allows binary data to be transmitted over text-based networks.Encoded strings are universally compatible across systems.Base64 can represent any binary data in ASCII format.There are several advantages to encoding binary data as Base64: This Base64 string can be safely transmitted over textual networks and systems. This allows the binary data to be converted into a Base64 encoded string that contains only ASCII characters. Each 6-bit group is represented by one of the 64 Base64 characters. These 24 bits are divided into 4 groups of 6 bits each. What is Base64 Encoding?īase64 encoding works by breaking binary data into chunks of 3 bytes (24 bits). It is commonly used to transmit binary data over text-based communication systems that only support ASCII. This guide covers importing the Base64 library, encoding/decoding strings and binary data, use cases like storing data and encryption, advantages, and more.īase64 is an encoding method that converts binary data into ASCII text format using 64 printable characters. Related Query Decode JavaScript btoa() encoded string using Java/Kotlin Base64 decoder Kotlin failing to decode Base64 string encoded with MySQLs TOBASE64. Import Base64 data encoding/decoding in Kotlin. Step 3 − Add the following code to src/MainActivity.kt import Step 2 − Add the following code to res/layout/activity_main.xml. Step 1 − Create a new project in Android Studio, go to File? New Project and fill all required details to create a new project. This example demonstrates how to convert a Base64 string into a BitMap image in Android App using Kotlin. ![]()
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