switch User from Shell - Android Android OS

Android examples for Android OS:Shell

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Description

switch User from Shell

Demo Code

/*/* w  w w. j  a v  a2s  .co  m*/
 * Copyright 2014 Great Bytes Software
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
//package com.java2s;

import java.io.DataOutputStream;
import java.io.IOException;

import android.util.Log;

public class Main {
    public static String TAG = "TerminalUtils";

    public static void switchUser(String id) {
        Process p;
        try {
            p = Runtime.getRuntime().exec("su");
            DataOutputStream os = new DataOutputStream(p.getOutputStream());

            os.writeBytes("am switch-user " + id + "\n");
            os.writeBytes("exit\n");
            os.flush();
        } catch (IOException e) {
            Log.e(TAG, "switchUser IOException: " + e.getMessage());
        }
    }
}

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