How to call the mobile phone input method in Android system I created a game input text box that can be edited, but he can't make the mobile phone input method work

[user_3ebd4415800bffaf4139aa0690b2071a63478dcf7d1c89bcf712e2 (01王子龙)]

How to call the mobile phone input method in Android system I created a game input text box that can be edited, but he can’t make the mobile phone input method work