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//得到所有Activity	public void getAllActivities(Context context){		try {			//第一步:得到PackageName			String packageName=context.getPackageName();			//第二步:得到PackageManager			PackageManager packageManager=context.getPackageManager();			//第三步:得到PackageInfo			PackageInfo packageInfo=packageManager.getPackageInfo(packageName, PackageManager.GET_ACTIVITIES);			//第四步:得到ActivityInfo[]			ActivityInfo[] activityInfoList = packageInfo.activities;			//第五步:得到每一个Activity			for (ActivityInfo activityInfo : activityInfoList) {				 System.out.println(""+activityInfo.name);			}		} catch (Exception e) {			// TODO: handle exception		}			}

//得到所有Service	private void getAllServices(Context context){		try {			// 第一步:得到PackageName			String packageName = context.getPackageName();			// 第二步:得到PackageManager			PackageManager packageManager = context.getPackageManager();			// 第三步:得到PackageInfo			PackageInfo packageInfo = packageManager.getPackageInfo(packageName, PackageManager.GET_SERVICES);			// 第四步:得到ServiceInfo[]			ServiceInfo[] serviceInfoList = packageInfo.services;			// 第五步:得到每一个service			for (ServiceInfo serviceInfo : serviceInfoList) {				System.out.println("-------> " + serviceInfo.name);			}		} catch (Exception e) {		}			}

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