获取进程、服务、任务列表

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private ActivityManager mActivityManager;

mActivityManager=(ActivityManager)getSystemService(ACTIVITY_SERVICE);

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//获取任务列表

    public void getTasks()

    {

       aryListTaskID=new ArrayList<String>();

       aryListTaskName=new ArrayList<String>();

       //以getRunningTasks()取得进程TaskInfo

       List<ActivityManager.RunningTaskInfo> mRunningTasks=

           mActivityManager.getRunningTasks(intGetTaskCounter);

       for(ActivityManager.RunningTaskInfo amTask:mRunningTasks)

       {

           aryListTaskName.add(amTask.baseActivity.getClassName());

           aryListTaskID.add(""+amTask.id);

           intTaskNum++;

       }

       tab3_tv1.setText("任务数量："+intTaskNum);

       tab3_tv2.setText("可用内存："+fileSize(getAvailableRAM()));

    }

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//获取服务列表

public void getService()

{

   linkListServiceIcon=new LinkedList<Drawable>();

   aryListServiceInfo=new ArrayList<String>();

   aryListServiceName=new ArrayList<String>();

   List<ActivityManager.RunningServiceInfo> serivces =

       mActivityManager.getRunningServices(intGetServiceCounter);

   for (RunningServiceInfo service:serivces)

   {

       programUtil.setProcessName(service.process);

        // 根据进程名，获取应用程序的ApplicationInfo对象

        ApplicationInfo tempAppInfo = packageUtil.getApplicationInfo(service.process);

        // 为进程加载图标和程序名称

        if (tempAppInfo != null)

        {

        linkListServiceIcon.add(tempAppInfo.loadIcon(packageManager));

        aryListServiceName.add(tempAppInfo.loadLabel(packageManager).toString());

        }

        else

        {

        linkListServiceIcon.add(getApplicationContext().getResources().getDrawable(R.drawable.ic_launcher));

        aryListServiceName.add(service.process);

        }

       //MemInfo是否可得,不行则用包名代替

        if(!(mProcessMemoryUtil.getMemInfoByPid(service.pid)==""))

        {

        aryListServiceInfo.add(mProcessMemoryUtil.getMemInfoByPid(service.pid));

        }

        else

        {

        aryListServiceInfo.add(service.process);

        }

       intServiceNum++;

   }

   tab2_tv1.setText("服务数量："+intServiceNum);

   tab2_tv2.setText("可用内存："+fileSize(getAvailableRAM()));

} 

  //获取进程列表

    public void getProcess()

    {

       linkListProcessIcon=new LinkedList<Drawable>();     

       aryListProcessInfo=new ArrayList<String>();

       aryListProcessName=new ArrayList<String>();

       List<RunningAppProcessInfo> apps =

           mActivityManager.getRunningAppProcesses();

       for(RunningAppProcessInfo app:apps)

       {

           //包名

//         aryListProcessName.add(app.processName);

           programUtil.setProcessName(app.processName);

            // 根据进程名，获取应用程序的ApplicationInfo对象

            ApplicationInfo tempAppInfo = packageUtil.getApplicationInfo(app.processName);

            // 为进程加载图标和程序名称

            if (tempAppInfo != null)

            {

            linkListProcessIcon.add(tempAppInfo.loadIcon(packageManager));

            aryListProcessName.add(tempAppInfo.loadLabel(packageManager).toString());

            }

            else

            {

            linkListProcessIcon.add(getApplicationContext().getResources().getDrawable(R.drawable.ic_launcher));

            aryListProcessName.add(app.processName);

            }

            //MemInfo是否可得,不行则用包名代替

            if(!(mProcessMemoryUtil.getMemInfoByPid(app.pid)==""))

            {

            aryListProcessInfo.add(mProcessMemoryUtil.getMemInfoByPid(app.pid));

            }

            else

            {

            aryListProcessInfo.add(app.processName);

            }

           intProcessNum++;

       }

       tab1_tv1.setText("程序数量："+intProcessNum);

       tab1_tv2.setText("可用内存："+fileSize(getAvailableRAM()));

    }

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package com.me.myexplorer;

import java.util.List;

import android.content.Context;

import android.content.pm.ApplicationInfo;

import android.content.pm.PackageManager;

public class PackageUtil

{

    // ApplicationInfo 类，保存了普通应用程序的信息，主要是指Manifest.xml中application标签中的信息

    private List<ApplicationInfo> allAppList;

    public PackageUtil(Context context) {

        // 通过包管理器，检索所有的应用程序（包括卸载）与数据目录

        PackageManager pm = context.getApplicationContext().getPackageManager();

        allAppList = pm.getInstalledApplications(PackageManager.GET_UNINSTALLED_PACKAGES);

        pm.getInstalledPackages(0);

    }

    public ApplicationInfo getApplicationInfo(String appName) {

        if (appName == null) {

            return null;

        }

        for (ApplicationInfo appinfo : allAppList) {

            if (appName.equals(appinfo.processName)) {

                return appinfo;

            }

        }

        return null;

    }

}