Android 获取系统应用信息

我是仿照andorid launcher里面的方法，现抽取如下：

	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));
		}
	}

这样就可以过滤出category为Intent.CATEGORY_LAUNCHER的所有的应用了