Android Shell Command executor class.

CommandExecutor.java

package com.moo.myapplication2;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class CommandExecutor {

    public static String executeCommand(String command) {
        StringBuilder output = new StringBuilder();

        try {
            // Execute the command
            Process process = Runtime.getRuntime().exec(command);

            // Read the output of the command
            BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
            String line;
            while ((line = reader.readLine()) != null) {
                output.append(line).append("\n");
            }

            BufferedReader stderr = new BufferedReader(new InputStreamReader(process.getErrorStream()));
            String errLine;
            while ((errLine = stderr.readLine()) != null) {
                output.append(errLine).append("\n");
            }

            // Wait for the command to complete
            int exitCode = process.waitFor();

            // Log the exit code
            output.append("\nExit code: ").append(exitCode);

        } catch (IOException | InterruptedException e) {
            e.printStackTrace();
            output.append("Error executing command: ").append(e.getMessage());
        }

        return output.toString();
    }
}