android 获取process，service，memory，task的信息

package com.pig.message.info;

import java.util.List;

import android.app.ActivityManager;
import android.app.ActivityManager.MemoryInfo;

import android.app.ActivityManager.RunningAppProcessInfo;

import android.app.ActivityManager.RunningServiceInfo;

import android.app.ActivityManager.RunningTaskInfo;

import android.content.Context;

import android.os.Debug;

public class AppInformation {

 private ActivityManager activityManager = null;

 

 public AppInformation(Context context){

  this.activityManager = (ActivityManager)context.getSystemService(Context.ACTIVITY_SERVICE);

 }

 

 public boolean isAppRunning(String packagename){

  System.out.println("appIsRunning()...");

  

  return false;

 }

 

 public int killProcessByName(String killProcessName){

  System.out.println("killProcessByName()...");

  

  int killNum = 0;

  List appProcessList = activityManager.getRunningAppProcesses();

  

  for(int i=0; i<appProcessList.size(); i++){

   RunningAppProcessInfo appProcessInfo = (RunningAppProcessInfo) appProcessList.get(i);

   //进程ID

   int pid = appProcessInfo.pid;

   //用户ID，类似于Linux的权限不同，ID也就不同， 比如root

   int uid = appProcessInfo.uid;

   //进程名，默认是包名或者由属性android:process=""指定

   String processName = appProcessInfo.processName;

   //获得该进程占用的内存

   int[] memPid = new int[]{ pid };

   //此MemoryInfo位于android.os.Debug.MemoryInfo包中，用来统计进程的内存信息

   Debug.MemoryInfo[] memoryInfo = activityManager.getProcessMemoryInfo(memPid);

   //获取进程占内存用信息kb单位

   int memSize = memoryInfo[0].dalvikPrivateDirty;

   

   System.out.println("process name: " + processName + " pid: " + pid + " uid: " + uid + " memory size is -->" + memSize + "kb");

   

   //获得每个进程里运行的应用程序(包)，即每个应用程序的包名   

   String[] packageList = appProcessInfo.pkgList;

   for(String pkg : packageList){

    System.out.println("package name " + pkg + " in process id is -->" + pid);

   }

   

   if(killProcessName.equals(processName)){

    System.out.println("===============killProcess pid-->" + pid);

    android.os.Process.killProcess(pid);

    killNum++;

   }

  }

  return killNum;

 }

 

 public long getSystemAvaialbeMemorySize(){

  MemoryInfo memoryInfo = new MemoryInfo();

  activityManager.getMemoryInfo(memoryInfo);

  long memSize = memoryInfo.availMem;

  

  System.out.println("getSystemAvaialbeMemorySize()...memory size: " + memSize);

  

  return memSize;

  

  //调用系统函数，字符串转换long -String KB/MB

  //return Formatter.formatFileSize(context, memSize);

 }

 

 public List getRunningAppProcessInfo(){

  System.out.println("getRunningAppProcessInfo()...");

  

  List appProcessList = activityManager.getRunningAppProcesses();

  

  for(int i=0; i<appProcessList.size(); i++){

   RunningAppProcessInfo appProcessInfo = (RunningAppProcessInfo) appProcessList.get(i);

   //进程ID

   int pid = appProcessInfo.pid;

   //用户ID，类似于Linux的权限不同，ID也就不同， 比如root

   int uid = appProcessInfo.uid;

   //进程名，默认是包名或者由属性android:process=""指定

   String processName = appProcessInfo.processName;

   //获得该进程占用的内存

   int[] memPid = new int[]{ pid };

   //此MemoryInfo位于android.os.Debug.MemoryInfo包中，用来统计进程的内存信息

   Debug.MemoryInfo[] memoryInfo = activityManager.getProcessMemoryInfo(memPid);

   //获取进程占内存用信息kb单位

   int memSize = memoryInfo[0].dalvikPrivateDirty;

   

   System.out.println("process name: " + processName + " pid: " + pid + " uid: " + uid + " memory size is -->" + memSize + "kb");

   

   //获得每个进程里运行的应用程序(包)，即每个应用程序的包名   

   String[] packageList = appProcessInfo.pkgList;

   for(String pkg : packageList){

    System.out.println("package name " + pkg + " in process id is -->" + pid);

   }

   

  }

  

  return appProcessList;

 }

 

 public List getRunningServiceInfo(){

  System.out.println("getRunningServiceInfo()...");

  

  List serviceList = activityManager.getRunningServices(30);

  

  for(int i=0; i<serviceList.size(); i++){

   RunningServiceInfo serviceInfo = (RunningServiceInfo) serviceList.get(i);

   //进程ID

   int pid = serviceInfo.pid;

   //用户ID，类似于Linux的权限不同，ID也就不同， 比如root

   int uid = serviceInfo.uid;

   //进程名，默认是包名或者由属性android:process=""指定

   String processName = serviceInfo.process;

      

   String serviceStr = serviceInfo.toString();

   System.out.println("serviceStr: " + serviceStr);

   

   //获得该进程占用的内存

   int[] memPid = new int[]{ pid };

   //此MemoryInfo位于android.os.Debug.MemoryInfo包中，用来统计进程的内存信息

   Debug.MemoryInfo[] memoryInfo = activityManager.getProcessMemoryInfo(memPid);

   //获取进程占内存用信息kb单位

   int memSize = memoryInfo[0].dalvikPrivateDirty;

   

   System.out.println("The name of the process this service runs in: " + processName + " pid: " + pid + " uid: " + uid + " memory size is -->" + memSize + "kb");

   

  }

  

  return serviceList;

 }

 

 public List getRunningTaskInfo(){

  System.out.println("getRunningServiceInfo()...");

  

  List taskList = activityManager.getRunningTasks(30);

  

  for(int i=0; i<taskList.size(); i++){

   RunningTaskInfo taskInfo = (RunningTaskInfo) taskList.get(i);

   String packageName = taskInfo.baseActivity.getPackageName();

   

   System.out.println("package name: " + packageName);

   

  }

  

  return taskList;

 }

 

}