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  • android 获取正在运行的服务

     //检测某ActivityUpdate是否在当前Task的栈顶
     
    public static boolean isTopActivy(String cmdName, Context context)
        {
            ActivityManager manager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
            List<RunningTaskInfo> runningTaskInfos = manager.getRunningTasks(Integer.MAX_VALUE);
            String cmpNameTemp = null;
            if (null != runningTaskInfos)
            {
                cmpNameTemp = (runningTaskInfos.get(0).topActivity).toString();
            }
    
            if (null == cmpNameTemp)
            {
                return false;
            }
            
            return cmpNameTemp.equals(cmdName);
    
        }
     

    判断Android应用是否在前台

     
    public static boolean isAppOnForeground(Context context)
        {
            ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
            String packageName = context.getPackageName();
            List<RecentTaskInfo> appTask = activityManager.getRecentTasks(Integer.MAX_VALUE, 1);
            
            if (appTask == null)
            {
                return false;
            }
            
            if (appTask.get(0).baseIntent.toString().contains(packageName))
            {
                return true;
            }
            return false;
        }
     

    获取Android手机内安装的所有桌面

     
    private static List<String> getAllTheLauncher(Context context)
        {
            List<String> names = null;
            PackageManager pkgMgt = context.getPackageManager();
            Intent it = new Intent(Intent.ACTION_MAIN);
            it.addCategory(Intent.CATEGORY_HOME);
            List<ResolveInfo> ra = pkgMgt.queryIntentActivities(it, 0);
            if (ra.size() != 0)
            {
                names = new ArrayList<String>();
            }
            for (int i = 0; i < ra.size(); i++)
            {
                String packageName = ra.get(i).activityInfo.packageName;
                names.add(packageName);
            }
            return names;
        }
     

    Android 判断程序前后台状态

     
    public static boolean isLauncherRunnig(Context context)
        {
            boolean result = false;
            List<String> names = getAllTheLauncher(context);
            ActivityManager mActivityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
            List<ActivityManager.RunningAppProcessInfo> appList = mActivityManager.getRunningAppProcesses();
            for (RunningAppProcessInfo running : appList)
            {
                if (running.importance == RunningAppProcessInfo.IMPORTANCE_FOREGROUND)
                {
                    for (int i = 0; i < names.size(); i++)
                    {
                        if (names.get(i).equals(running.processName))
                        {
                            result = true;
                            break;
                        }
                    }
                }
            }
            return result;
        }
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  • 原文地址:https://www.cnblogs.com/yuanyuan-5683/p/android_running.html
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