【怎么监听view这两个】

使用cc.view.on()就可以,参考

    onLoad () {
        cc.view.on("design-resolution-changed", () => {
            cc.log("event design-resolution-changed");
        });
    },

    start () {
        this.schedule(() => {
            cc.view.setDesignResolutionSize(320,480);
        } , 1,1,1);
    },
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