attachListener: function(eventName, doc) {        if (!doc) {            doc = document;        }        var defaultView = doc.defaultView;        if (Ext.os.is.iOS && Ext.os.version.getMajor() < 5) {            document.addEventListener(eventName, this.onEvent, !this.doesEventBubble(eventName));        }        else if (defaultView && defaultView.addEventListener) {            //这里对米3做了适配            if(/MI 3 Build/.test(navigator.userAgent)){                document.addEventListener(eventName, this.onEvent, !this.doesEventBubble(eventName));            }else{                doc.defaultView.addEventListener(eventName, this.onEvent, !this.doesEventBubble(eventName));            }        }        else {            doc.addEventListener(eventName, this.onEvent, !this.doesEventBubble(eventName));        }        return this;    }

sencha touch 小米3无法点击问题 修复