String Encoding and Decoding

Introduction

This sample shows how to output strings in a specified format and obtain error messages corresponding to error codes. It also demonstrates string encoding and decoding. The sample app is as follows.

Functions

1. Output in a specified format: You can use the app to output a string in different formats.

2. Error code parsing: You can input an error code in the app to obtain the corresponding error message.

3. Text encoding and decoding: You can use the app to encode and decode strings.

Required Permissions

N/A

Usage

1. Touch Output in specified format. Your input is then displayed in different formats, such as integer, floating point number, and string.

2. Touch Obtain error details. The error message corresponding to the error code is displayed in the text box on each line.

3. Touch Text encoder. Your input is then encoded and displayed, together with the information about data reading and writing.

4. Touch Text decoder. The encoded text content is decoded, and the output displayed is the same as what you input.

Constraints

1. This sample can only be run on standard-system devices.

2. DevEco Studio 3.0 Beta3 (Build Version: 3.0.0.901, built on May 30, 2022) must be used.