直播短视频源码，获取系统应用信息

 Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);
 mainIntent.addCategory(Intent.CATEGORY_LAUNCHER);
 final PackageManager packageManager = getPackageManager();
 List<ResolveInfo> apps = null;
 apps = packageManager.queryIntentActivities(mainIntent, 0);
 mNameList = new ArrayList<String>();
 mDrawableList = new ArrayList<Drawable>();
 mNameList.clear();
 mDrawableList.clear();
 if(apps != null && apps.size() > 0)
 {
  for (int i = 0; i < apps.size(); i++)
  {
   mNameList.add((String) apps.get(i).loadLabel(packageManager));//获取应用名称
   mDrawableList.add(apps.get(i).loadIcon(packageManager));      //获取应用图片
   System.out.println(apps.get(i).loadLabel(packageManager));
  }
 }