Android获取后台运行服务Get Running Service

标签：android   后台服务   service   

完整的代码可以在我的GitHub上看到，链接在文末。效果图：

Main:

package com.zms.getrunningservice;

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 Main extends Activity implements
        OnItemClickListener {

    private static String TAG = "RunningService";

    private ActivityManager mActivityManager = null;
    // ProcessInfo Model类 用来保存所有进程信息
    private List<ServiceModel> serviceModelList = null;

    private ListView serviceList;
    private TextView tvTotalServiceNo;

    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.service_list);
        serviceList = (ListView) findViewById(R.id.listviewService);
        serviceList.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(serviceModelList, new comparatorServiceLabel());
        // 为ListView构建适配器对象
        ServiceListAdapter mServiceInfoAdapter = new ServiceListAdapter(Main.this,
                serviceModelList);

        serviceList.setAdapter(mServiceInfoAdapter);

        tvTotalServiceNo.setText(serviceModelList.size() + "个服务正在运行，点击停止。");
    }

    // 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 = 200;
        // 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);
        // ServiceInfo Model类 用来保存所有进程信息
        serviceModelList = new ArrayList<ServiceModel>();

        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);

                ServiceModel serviceModel = new ServiceModel();
                serviceModel.setAppIcon(appInfo.loadIcon(mPackageManager));
                serviceModel.setAppLabel(appInfo.loadLabel(mPackageManager) + "");
                serviceModel.setServiceName(serviceName);
                serviceModel.setPkgName(pkgName);
                // 设置该service的组件信息
                Intent intent = new Intent();
                intent.setComponent(serviceCMP);
                serviceModel.setIntent(intent);
                serviceModel.setPid(pid);
                serviceModel.setProcessName(processName);
                // 添加至集合中
                serviceModelList.add(serviceModel);

            } catch (NameNotFoundException e) {
                // TODO Auto-generated catch block
                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 = serviceModelList.get(position)
                .getIntent();

        new AlertDialog.Builder(Main.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(Main.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(serviceModelList, new comparatorServiceLabel());
                        // 为ListView构建适配器对象
                        ServiceListAdapter serviceListAdapter = new ServiceListAdapter(
                                Main.this, serviceModelList);
                        serviceList.setAdapter(serviceListAdapter);
                        tvTotalServiceNo.setText("当前正在运行的服务共有："
                                + serviceModelList.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 comparatorServiceLabel implements Comparator<ServiceModel> {

        @Override
        public int compare(ServiceModel object1, ServiceModel object2) {
            // TODO Auto-generated method stub
            return object1.getAppLabel().compareTo(object2.getAppLabel());
        }
    }
}

转载请注明出处：周木水的CSDN博客 http://blog.csdn.net/zhoumushui

我的GitHub：周木水的GitHub https://github.com/zhoumushui

Android获取后台运行服务Get Running Service

标签：android   后台服务   service   

原文地址：http://blog.csdn.net/zhoumushui/article/details/43560809