apk,静默安装，linux命令

import android.content.Context;import java.io.DataInputStream;import java.io.DataOutputStream;import java.io.IOException;public class LinuxCmdUtil {private static final String closeEth0="busybox ifconfig eth0 down";private static final String openEth0="busybox ifconfig eth0 up";//String val = execRootCmd("cat /sys/class/amhdmitx/amhdmitx0/cec_active");public  static void CloseEth0(){String val = execRootCmd(closeEth0);}public  static void openEth0(){String val = execRootCmd(openEth0);}public  static void startApp(){String startAppString="pm start -n [package+MainActivity]";String val = execRootCmd(startAppString);}   private static final String getCateWayIp=" cat /proc/net/arp";//获得网关Ip的Linux指令   public static String getCateWayIp(){String val = LinuxCmdUtil.execRootCmd(getCateWayIp);return val;   }/** *重启 */public static void  restart(){LinuxCmdUtil.execRootCmd("reboot");}public  static void installApK(String installPath,Context mContext){        // 核心是下面几句代码  //        Intent intent = new Intent(Intent.ACTION_VIEW);  //        intent.setDataAndType(Uri.fromFile(new File(installPath)),  //                "application/vnd.android.package-archive");  //        mainActivity.startActivity(intent);StringBuilder installCmdBuilder=new StringBuilder("pm install -r  ");installCmdBuilder.append(installPath);String val = execRootCmd(installCmdBuilder.toString());}public static String execRootCmd(String cmd) {String result = "";DataOutputStream dos = null;DataInputStream dis = null;try {Process p = Runtime.getRuntime().exec("su");dos = new DataOutputStream(p.getOutputStream());dis = new DataInputStream(p.getInputStream());dos.writeBytes(cmd + "\n");dos.flush();dos.writeBytes("exit\n");dos.flush();String line = null;while ((line = dis.readLine()) != null) {result += line;}p.waitFor();} catch (Exception e) {e.printStackTrace();} finally {if (dos != null) {try {dos.close();} catch (IOException e) {e.printStackTrace();}}if (dis != null) {try {dis.close();} catch (IOException e) {e.printStackTrace();}}}return result;}}

linux命令执行可参考：http://www.jianshu.com/p/603f29a6a513