package com.iaiai;标签:process,root,BufferedReader,new,import,Android,null,os,android From: https://blog.51cto.com/u_15955464/6039965
import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.InputStreamReader;
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
/**
*
* <p>
* Title: MainActivity.java
* </p>
* <p>
* E-Mail: [email protected]
* </p>
* <p>
* QQ: 176291935
* </p>
* <p>
* Http: iaiai.iteye.com
* </p>
* <p>
* Create time: 2011-10-11
* </p>
*
* @author 丸子
* @version 0.0.1
*/
public class MainActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
runRootCommand("ls");
}
public static boolean runRootCommand(String command) {
Process process = null;
DataOutputStream os = null;
try {
process = Runtime.getRuntime().exec("su");
os = new DataOutputStream(process.getOutputStream());
os.writeBytes(command + "\n");
os.writeBytes("exit\n");
os.flush();
process.waitFor();
BufferedReader br = new BufferedReader(new InputStreamReader(
process.getInputStream()));
// BufferedReader br = new BufferedReader(new InputStreamReader(
// process.getErrorStream())); //如果出错用这个输出一下看结果,一定要获取root权限才可以执行
String line = null;
while ((line = br.readLine()) != null) {
Log.d("*********", line);
}
try {
br.close();
} catch (Exception e) {
e.printStackTrace();
}
} catch (Exception e) {
Log.d("*********",
"the device is not rooted, error message: "
+ e.getMessage());
return false;
} finally {
try {
if (os != null) {
os.close();
}
if (process != null) {
process.destroy();
}
} catch (Exception e) {
e.printStackTrace();
}
}
return true;
}
}