Android 判定手机是否root
Android获取手机root的状态
package com.app.demo; import java.io.File; import android.app.Activity; import android.os.Bundle; import android.view.View; import android.widget.Button; public class AndroiddemoActivity extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); } public void onclick(View v) { Button button = (Button)v; if (isRootSystem()) { button.setText("root"); } else { button.setText("not"); } } private final static int kSystemRootStateUnknow=-1; private final static int kSystemRootStateDisable=0; private final static int kSystemRootStateEnable=1; private static int systemRootState=kSystemRootStateUnknow; public static boolean isRootSystem() { if(systemRootState==kSystemRootStateEnable) { return true; } else if(systemRootState==kSystemRootStateDisable) { return false; } File f=null; final String kSuSearchPaths[]={"/system/bin/","/system/xbin/","/system/sbin/","/sbin/","/vendor/bin/"}; try{ for(int i=0;i<kSuSearchPaths.length;i++) { f=new File(kSuSearchPaths[i]+"su"); if(f!=null&&f.exists()) { systemRootState=kSystemRootStateEnable; return true; } } }catch(Exception e) { } systemRootState=kSystemRootStateDisable; return false; } }