Android列出系统中所有安装的app的信息

    PackageManager pm = getPackageManager();  
    List<PackageInfo> packages = pm.getInstalledPackages(PackageManager.GET_UNINSTALLED_PACKAGES);  
      
    for(PackageInfo packageInfo : packages){  
          
        //应用图标  
        Drawable icon = packageInfo.applicationInfo.loadIcon(pm);  
          
        //标题  
        CharSequence lable = packageInfo.applicationInfo.loadLabel(pm);  
          
        //包名  
        String packageName = packageInfo.packageName;  
          
    }