first commit

assets/res-native/setting/SwitchLang.ts

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+import { _decorator, Component, Label, Sprite, SpriteFrame } from "cc";
+import { app } from "../../app/app";
+import { Tools } from "../tools/Tools";
+import { LANG_SET } from "./LangSet";
+const { ccclass, property } = _decorator;
+@ccclass('SwitchLang')
+
+export class SwitchLang extends Component {
+    @property(String) lab_lang: string = "";
+
+    @property(SpriteFrame) spr_lang : SpriteFrame[] = [];
+
+    protected onLoad(): void {
+        this.updateLab();
+        app.manager.event.on("LangChanged", this.updateLab, this);
+    }
+
+    protected onDestroy(): void {
+        app?.manager.event?.off("LangChanged", this.updateLab, this);
+    }
+
+    updateLab(){
+        let lab = this.getComponent(Label)
+        if (lab != null) {
+            this.getComponent(Label).string = Tools.GetLocalized(this.lab_lang)
+        };
+
+        let sprite = this.getComponent(Sprite)
+        if (sprite != null) {
+            if (this.spr_lang && this.spr_lang[LANG_SET.langIndex])
+            this.getComponent(Sprite).spriteFrame = this.spr_lang[LANG_SET.langIndex]
+        };
+    }
+}