Android RunTime执行指令

1. Process process = Runtime.getRuntime().exec(“su”);
2. Process process = Runtime.getRuntime().exec(new String[]{“su”,“logcat”});

public static int runCommands(String[] cmds) {
    int result = -1;
    if (cmds == null) {
        return 0;
    } else {
        BufferedWriter outputStream = null;
        Process process = null;
        try {
            process = Runtime.getRuntime().exec("su");
            final Process fp = process;
            outputStream = new BufferedWriter(new OutputStreamWriter(process.getOutputStream()));
            for (int i = 0; i < cmds.length; i++) {
                try {
                    Log.e("OUT", cmds[i]);
                    outputStream.write(cmds[i] + "n");
                    outputStream.flush();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            outputStream.close();
            ThreadPoolUtil.getInstance().execute(() -> {
                try {
                    BufferedReader inReader = new BufferedReader(new InputStreamReader(fp.getInputStream()));
                    String string = inReader.readLine();
                    while (string != null) {
                        Log.e("IN", string);
                        string = inReader.readLine();
                    }
                    inReader.close();
                } catch (Exception e) {
                    e.printStackTrace();
                }
            });
            ThreadPoolUtil.getInstance().execute(() -> {
                try {
                    BufferedReader inReader = new BufferedReader(new InputStreamReader(fp.getErrorStream()));
                    String string;
                    while ((string = inReader.readLine()) != null) {
                        Log.e("ERROR", string);
                    }
                    inReader.close();
                } catch (Exception e) {
                    e.printStackTrace();
                }
            });
            process.waitFor();
            result = process.exitValue();
            Log.e("Ricardo", "exec cmds return: " + result);
        } catch (Exception e) {
            e.printStackTrace();
            result = -1;
        } finally {
            if (outputStream != null) {
                try {
                    outputStream.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return result;
    }
}