unity:2019.4.1f1
目录:C:\Program Files\Unity\Hub\Editor\2019.4.1f1\Editor\Data\PlaybackEngines\AndroidPlayer\Source\com\unity3d\player\UnityPlayerActivity.java
(将其与mainActivity.java放到一个目录下,不然mainActivity找不到ta)
unity:2019.4.1f1
目录:C:\Program Files\Unity\Hub\Editor\2019.4.1f1\Editor\Data\PlaybackEngines\AndroidPlayer\Source\com\unity3d\player\UnityPlayerActivity.java
(将其与mainActivity.java放到一个目录下,不然mainActivity找不到ta)