How to protect the targets (jpg images) that are inside the APP? I wish third parties would not have access to the images ..
如何保護APP內的目標（jpg圖像）？ 我希望第三方不能訪問這些圖像..
Rúhé bǎohù APP nèi de mùbiāo (jpg tú xiàng)? Wǒ xīwàng dì sānfāng bùnéng fǎngwèn zhèxiē tú xiàng..