关于权限不够的问题，可以分为两种：
1、 在AndroidManifest.xml文件中，为<activity/>或<service/>节点指定android:permission属性时，在其他进程中操作时，需要声明该permission权限 。
2、 系统权限，这个咱就没什么话说了。
截图如下：
主工程逻辑如下：
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());
}
}
}
