以下是获取安装应用列表的代码: privatevoidgetInstalledApps(){// 获取PackageManager实例PackageManagerpm=getPackageManager();// 获取安装的应用列表List<ApplicationInfo>apps=pm.getInstalledApplications(0);// 按名称输出所有应用程序for(ApplicationInfoappInfo:apps){// 获取应用名称(可能需要使用ApplicationInfo.loadL...
步骤2:获取已安装应用列表 List<ApplicationInfo>installedApps=packageManager.getInstalledApplications(PackageManager.GET_META_DATA); 1. 注释:通过getInstalledApplications()方法获取已安装应用列表,并传入PackageManager.GET_META_DATA参数以获取应用的元数据信息。 步骤3:遍历应用列表,获取应用信息 for(ApplicationInfoap...
你可以通过调用getpackagemanager()得到PackageManager类的一个实例。对查询和操作安装包和相关的权限提供了方法,在下面这个Android的例子中,我们得到了在Android安装的应用程序列表。 PackageManager packageManager = getPackageManager(); List<ApplicationInfo> list = packageManager.getInstalledApplications(PackageManager....
复制代码 在代码中使用PackageManager类来获取已安装应用列表: PackageManager packageManager = getPackageManager(); List<ApplicationInfo> installedApps = packageManager.getInstalledApplications(0); for (ApplicationInfo appInfo : installedApps) { String appName = (String) packageManager.getApplicationLabel(ap...
Android PackageManager class is used to retrieve information on the application packages that are currently installed on the device. You can get an instance of PackageManager class by calling getPackageManager().
private void getAppList() { PackageManager pm = getPackageManager(); // Return a List of all packages that are installed on the device. List<PackageInfo> packages = pm.getInstalledPackages(0); for (PackageInfo packageInfo : packages) { ...
获取已安装应用列表 publicArrayList<AppInfo>getInstallApps(Context context){PackageManager pm=context.getPackageManager();List<PackageInfo>installedPackages=pm.getInstalledPackages(0);//获取所以已安装的包ArrayList<AppInfo>list=newArrayList<AppInfo>();for(PackageInfo packageInfo:installedPackages){AppInfo inf...
一般来说有三个方面： 1、代码逻辑：优秀的代码逻辑结构可以有效减少渲染页面使用的内存和速度（比如虚拟...
privatevoidqueryFilterAppInfo(){PackageManagerpm=this.getPackageManager();// 查询所有已经安装的应用程序List<ApplicationInfo>appInfos=pm.getInstalledApplications(PackageManager.GET_UNINSTALLED_PACKAGES);// GET_UNINSTALLED_PACKAGES代表已删除,但还有安装目录的List<ApplicationInfo>applicationInfos=newArrayList<>();...
public abstractApplicationInfogetApplicationInfo(StringpackageName, int flags) 参数:packagename 包名 flags 该ApplicationInfo是此flags标记,通常可以直接赋予常数0即可 功能:返回该ApplicationInfo对象 public abstractList<ApplicationInfo> getInstalledApplications(int flags) ...