Android中获得正在运行的程序和系统服务的方法

 package com.qin.ammp;  import java.util.ArrayList; import java.util.Collections; import java.util.HashMap; import java.util.List; import java.util.Map;  import android.app.Activity; import android.app.ActivityManager; import android.content.Context; import android.content.Intent; import android.content.pm.ApplicationInfo; import android.content.pm.PackageInfo; import android.content.pm.PackageManager; import android.content.pm.PackageManager.NameNotFoundException; import android.os.Bundle; import android.util.Log; import android.view.View; import android.widget.AdapterView; import android.widget.ListView; import android.widget.TextView; import android.widget.AdapterView.OnItemClickListener;  public class BrowseRunningAppActivity extends Activity {    private static String TAG = "BrowseRunningAppActivity";    private ListView listview = null;    private List<RunningAppInfo> mlistAppInfo = null;   private TextView tvInfo = null ;      private PackageManager pm;    @Override   public void onCreate(Bundle savedInstanceState) {     super.onCreate(savedInstanceState);     setContentView(R.layout.browse_app_list);      listview = (ListView) findViewById(R.id.listviewApp);     tvInfo = (TextView)findViewById(R.id.tvInfo) ;          mlistAppInfo = new ArrayList<RunningAppInfo>();      // 查询某一特定进程的所有应用程序     Intent intent = getIntent();     //是否查询某一特定pid的应用程序     int pid = intent.getIntExtra("EXTRA_PROCESS_ID", -1);          if ( pid != -1) {       //某一特定经常里所有正在运行的应用程序       mlistAppInfo =querySpecailPIDRunningAppInfo(intent, pid);     }     else{       // 查询所有正在运行的应用程序信息： 包括他们所在的进程id和进程名       tvInfo.setText("所有正在运行的应用程序有-------");       mlistAppInfo = queryAllRunningAppInfo();      }     BrowseRunningAppAdapter browseAppAdapter = new BrowseRunningAppAdapter(this, mlistAppInfo);     listview.setAdapter(browseAppAdapter);   }    // 查询所有正在运行的应用程序信息： 包括他们所在的进程id和进程名   // 这儿我直接获取了系统里安装的所有应用程序，然后根据报名pkgname过滤获取所有真正运行的应用程序   private List<RunningAppInfo> queryAllRunningAppInfo() {     pm = this.getPackageManager();     // 查询所有已经安装的应用程序     List<ApplicationInfo> listAppcations = pm.getInstalledApplications(PackageManager.GET_UNINSTALLED_PACKAGES);     Collections.sort(listAppcations,new ApplicationInfo.DisplayNameComparator(pm));// 排序      // 保存所有正在运行的包名 以及它所在的进程信息     Map<String, ActivityManager.RunningAppProcessInfo> pgkProcessAppMap = new HashMap<String, ActivityManager.RunningAppProcessInfo>();      ActivityManager mActivityManager = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);     // 通过调用ActivityManager的getRunningAppProcesses()方法获得系统里所有正在运行的进程     List<ActivityManager.RunningAppProcessInfo> appProcessList = mActivityManager         .getRunningAppProcesses();      for (ActivityManager.RunningAppProcessInfo appProcess : appProcessList) {       int pid = appProcess.pid; // pid       String processName = appProcess.processName; // 进程名       Log.i(TAG, "processName: " + processName + " pid: " + pid);        String[] pkgNameList = appProcess.pkgList; // 获得运行在该进程里的所有应用程序包        // 输出所有应用程序的包名       for (int i = 0; i < pkgNameList.length; i++) {         String pkgName = pkgNameList[i];         Log.i(TAG, "packageName " + pkgName + " at index " + i+ " in process " + pid);         // 加入至map对象里         pgkProcessAppMap.put(pkgName, appProcess);       }     }     // 保存所有正在运行的应用程序信息     List<RunningAppInfo> runningAppInfos = new ArrayList<RunningAppInfo>(); // 保存过滤查到的AppInfo      for (ApplicationInfo app : listAppcations) {       // 如果该包名存在 则构造一个RunningAppInfo对象       if (pgkProcessAppMap.containsKey(app.packageName)) {         // 获得该packageName的 pid 和 processName         int pid = pgkProcessAppMap.get(app.packageName).pid;         String processName = pgkProcessAppMap.get(app.packageName).processName;         runningAppInfos.add(getAppInfo(app, pid, processName));       }     }      return runningAppInfos;    }   // 某一特定经常里所有正在运行的应用程序   private List<RunningAppInfo> querySpecailPIDRunningAppInfo(Intent intent , int pid) {       String[] pkgNameList = intent.getStringArrayExtra("EXTRA_PKGNAMELIST");     String processName = intent.getStringExtra("EXTRA_PROCESS_NAME");          //update ui     tvInfo.setText("进程id为"+pid +" 运行的应用程序共有 : "+pkgNameList.length);              pm = this.getPackageManager();        // 保存所有正在运行的应用程序信息     List<RunningAppInfo> runningAppInfos = new ArrayList<RunningAppInfo>(); // 保存过滤查到的AppInfo      for(int i = 0 ; i<pkgNameList.length ;i++){       //根据包名查询特定的ApplicationInfo对象       ApplicationInfo appInfo;      try {       appInfo = pm.getApplicationInfo(pkgNameList[i], 0);       runningAppInfos.add(getAppInfo(appInfo, pid, processName));      }      catch (NameNotFoundException e) {       // TODO Auto-generated catch block       e.printStackTrace();      } // 0代表没有任何标记;     }     return runningAppInfos ;   }         // 构造一个RunningAppInfo对象 ，并赋值   private RunningAppInfo getAppInfo(ApplicationInfo app, int pid, String processName) {     RunningAppInfo appInfo = new RunningAppInfo();     appInfo.setAppLabel((String) app.loadLabel(pm));     appInfo.setAppIcon(app.loadIcon(pm));     appInfo.setPkgName(app.packageName);      appInfo.setPid(pid);     appInfo.setProcessName(processName);      return appInfo;   } } 

package com.qin.runservice;  import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; import java.util.List;  import android.app.Activity; import android.app.ActivityManager; import android.app.AlertDialog; import android.app.Dialog; import android.content.ComponentName; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.content.pm.ApplicationInfo; import android.content.pm.PackageManager; import android.content.pm.PackageManager.NameNotFoundException; import android.os.Bundle; import android.os.Debug; import android.util.Log; import android.view.ContextMenu; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.view.ContextMenu.ContextMenuInfo; import android.widget.AdapterView; import android.widget.ListView; import android.widget.TextView; import android.widget.AdapterView.OnItemClickListener;  public class BrowseRunningServiceActivity extends Activity implements     OnItemClickListener {    private static String TAG = "RunServiceInfo";    private ActivityManager mActivityManager = null;   // ProcessInfo Model类 用来保存所有进程信息   private List<RunSericeModel> serviceInfoList = null;    private ListView listviewService;   private TextView tvTotalServiceNo;    public void onCreate(Bundle savedInstanceState) {     super.onCreate(savedInstanceState);      setContentView(R.layout.browse_service_list);      listviewService = (ListView) findViewById(R.id.listviewService);     listviewService.setOnItemClickListener(this);      tvTotalServiceNo = (TextView) findViewById(R.id.tvTotalServiceNo);      // 获得ActivityManager服务的对象     mActivityManager = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);      // 获得正在运行的Service信息     getRunningServiceInfo();     // 对集合排序     Collections.sort(serviceInfoList, new comparatorServiceLable());      System.out.println(serviceInfoList.size() + "-------------");      // 为ListView构建适配器对象     BrowseRunningServiceAdapter mServiceInfoAdapter = new           BrowseRunningServiceAdapter(BrowseRunningServiceActivity.this, serviceInfoList);      listviewService.setAdapter(mServiceInfoAdapter);      tvTotalServiceNo.setText("当前正在运行的服务共有：" + serviceInfoList.size());   }   // 获得系统正在运行的进程信息   private void getRunningServiceInfo() {      // 设置一个默认Service的数量大小     int defaultNum = 20;     // 通过调用ActivityManager的getRunningAppServicees()方法获得系统里所有正在运行的进程     List<ActivityManager.RunningServiceInfo> runServiceList = mActivityManager         .getRunningServices(defaultNum);      System.out.println(runServiceList.size());      // ServiceInfo Model类 用来保存所有进程信息     serviceInfoList = new ArrayList<RunSericeModel>();      for (ActivityManager.RunningServiceInfo runServiceInfo : runServiceList) {        // 获得Service所在的进程的信息       int pid = runServiceInfo.pid; // service所在的进程ID号       int uid = runServiceInfo.uid; // 用户ID 类似于Linux的权限不同，ID也就不同 比如 root等       // 进程名，默认是包名或者由属性android：process指定       String processName = runServiceInfo.process;         // 该Service启动时的时间值       long activeSince = runServiceInfo.activeSince;        // 如果该Service是通过Bind方法方式连接，则clientCount代表了service连接客户端的数目       int clientCount = runServiceInfo.clientCount;        // 获得该Service的组件信息 可能是pkgname/servicename       ComponentName serviceCMP = runServiceInfo.service;       String serviceName = serviceCMP.getShortClassName(); // service 的类名       String pkgName = serviceCMP.getPackageName(); // 包名        // 打印Log       Log.i(TAG, "所在进程id :" + pid + " 所在进程名：" + processName + " 所在进程uid:"           + uid + "/n" + " service启动的时间值：" + activeSince           + " 客户端绑定数目:" + clientCount + "/n" + "该service的组件信息:"           + serviceName + " and " + pkgName);        // 这儿我们通过service的组件信息，利用PackageManager获取该service所在应用程序的包名 ，图标等       PackageManager mPackageManager = this.getPackageManager(); // 获取PackagerManager对象;        try {         // 获取该pkgName的信息         ApplicationInfo appInfo = mPackageManager.getApplicationInfo(             pkgName, 0);          RunSericeModel runService = new RunSericeModel();         runService.setAppIcon(appInfo.loadIcon(mPackageManager));         runService.setAppLabel(appInfo.loadLabel(mPackageManager) + "");         runService.setServiceName(serviceName);         runService.setPkgName(pkgName);         // 设置该service的组件信息         Intent intent = new Intent();         intent.setComponent(serviceCMP);         runService.setIntent(intent);          runService.setPid(pid);         runService.setProcessName(processName);          // 添加至集合中         serviceInfoList.add(runService);        } catch (NameNotFoundException e) {         // TODO Auto-generated catch block         System.out.println("--------------------- error -------------");         e.printStackTrace();       }      }   }    // 触摸可停止   @Override   public void onItemClick(AdapterView<?> arg0, View arg1, int position,       long arg3) {     // TODO Auto-generated method stub     final Intent stopserviceIntent = serviceInfoList.get(position)         .getIntent();      new AlertDialog.Builder(BrowseRunningServiceActivity.this).setTitle(         "是否停止服务").setMessage(         "服务只有在重新启动后，才可以继续运行。但这可能会给电子市场应用程序带来意想不到的结果。")         .setPositiveButton("停止", new DialogInterface.OnClickListener() {            @Override           public void onClick(DialogInterface dialog, int which) {             // TODO Auto-generated method stub             // 停止该Service             //由于权限不够的问题，为了避免应用程序出现异常，捕获该SecurityException ，并弹出对话框             try {               stopService(stopserviceIntent);             } catch (SecurityException sEx) {               //发生异常 说明权限不够                System.out.println(" deny the permission");               new AlertDialog.Builder(BrowseRunningServiceActivity.this).setTitle(               "权限不够").setMessage("对不起，您的权限不够，无法停止该Service").create().show();             }             // 刷新界面             // 获得正在运行的Service信息             getRunningServiceInfo();             // 对集合排序             Collections.sort(serviceInfoList, new comparatorServiceLable());             // 为ListView构建适配器对象             BrowseRunningServiceAdapter mServiceInfoAdapter = new BrowseRunningServiceAdapter(                 BrowseRunningServiceActivity.this,                 serviceInfoList);             listviewService.setAdapter(mServiceInfoAdapter);             tvTotalServiceNo.setText("当前正在运行的服务共有："                 + serviceInfoList.size());           }          }).setNegativeButton("取消",             new DialogInterface.OnClickListener() {                @Override               public void onClick(DialogInterface dialog,                   int which) {                 // TODO Auto-generated method stub                 dialog.dismiss(); // 取消对话框               }             }).create().show();   }    // 自定义排序 根据AppLabel排序   private class comparatorServiceLable implements Comparator<RunSericeModel> {      @Override     public int compare(RunSericeModel object1, RunSericeModel object2) {       // TODO Auto-generated method stub       return object1.getAppLabel().compareTo(object2.getAppLabel());     }    }  }