将终端命令的输出重定向到TextView

import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.support.v7.app.AppCompatActivity;
import android.widget.TextView;

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

public class MainActivity extends AppCompatActivity {

    private TextView outputTextView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        outputTextView = findViewById(R.id.outputTextView);

        // 调用命令执行方法，传入要执行的命令
        executeCommand("your_command_here");
    }

    private void executeCommand(String command) {
        try {
            // 执行命令并获取进程对象
            Process process = Runtime.getRuntime().exec(command);

            // 读取命令执行结果的输入流
            InputStream inputStream = process.getInputStream();
            InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
            BufferedReader bufferedReader = new BufferedReader(inputStreamReader);

            // 读取命令执行结果并显示在TextView中
            String line;
            StringBuilder output = new StringBuilder();
            while ((line = bufferedReader.readLine()) != null) {
                output.append(line).append("\n");
            }

            // 将结果显示在TextView中
            new Handler(Looper.getMainLooper()).post(new Runnable() {
                @Override
                public void run() {
                    outputTextView.setText(output.toString());
                }
            });

            // 关闭输入流
            bufferedReader.close();
            inputStreamReader.close();
            inputStream.close();

        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}