execute shell Cmd - Android Android OS

Android examples for Android OS:Shell

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Description

execute shell Cmd

Demo Code


//package com.java2s;
import android.util.Log;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

public class Main {
    private static final String[] OS_LINUX_RUNTIME = { "rm -fr " };
    private static final String TAG = "CmdUtils";

    public static List<String> executeCmd(String... command) {
        Log.v(TAG, "command to run: ");
        for (String s : command) {
            Log.v(TAG, (s));//w  w w.  ja  va 2s .  c  om
        }
        String[] allCommand = null;
        try {

            allCommand = concat(OS_LINUX_RUNTIME, command);
            ProcessBuilder pb = new ProcessBuilder(allCommand);
            pb.redirectErrorStream(true);
            Process p = pb.start();
            p.waitFor();
            BufferedReader in = new BufferedReader(new InputStreamReader(
                    p.getInputStream()));
            String _temp = null;
            List<String> line = new ArrayList<String>();
            while ((_temp = in.readLine()) != null) {
                Log.v(TAG, "temp line: " + _temp);
                line.add(_temp);
            }
            Log.v(TAG, "result after command: " + line);
            return line;

        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    private static <T> T[] concat(T[] first, T[] second) {
        T[] result = Arrays.copyOf(first, first.length + second.length);
        System.arraycopy(second, 0, result, first.length, second.length);
        return result;
    }
}

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