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在Gui中对Button换皮相当的给力:
Gui.Button.skinName = new egret.gui.ButtonSkin(normal_resource, up_resource , disable_resource);
但是在EUI中没有ButtonSkin类.所以找到了其他方法.
我用三种按钮进行测试 : 1,有自定义皮肤的按钮 2,没有自定义皮肤的按钮(三种状态都有resource图片) , 3,new的Button
测试View:
一 : 自定义皮肤情况
①,自定义皮肤 : AonauflyButton.exml
<?xml version="1.0" encoding="utf-8"?> <e:Skin class="skins.AonauflyButton" states="up,down,disabled" width="75" height="75" xmlns:e="http://ns.egret.com/eui"> <e:Image width="100%" height="100%" scale9Grid="1,3,8,8" alpha.disabled="0.5" source="变强01_png" source.down="橙色小按钮_png" source.disabled="蓝色小按钮_png"/> <e:Label id="labelDisplay" top="8" bottom="8" left="8" right="8" size="20" textColor="0xFFFFFF" verticalAlign="middle" textAlign="center"/> <e:Image id="iconDisplay" horizontalCenter="0" verticalCenter="0"/> </e:Skin>
②,现在一个ButtonDemo.exml用于显示如上图.建一个Button,设置他的皮肤为我们的自定义皮肤
命名 : btn_demo
二 : 使用默认Button(三种状态都有resource图片)
命名 : btn_demo2
三 : 自定义一个Button , 命名 : $btn_demo3
代码如下:
module app { export class ButtonDemo extends eui.Component implements eui.UIComponent { private btn_demo : eui.Button; private btn_demo2 : eui.Button; private $btn_demo3 : eui.Button; public constructor() { super(); this.skinName = "resource/eui_skins/ButtonDemo.exml"; } private handlerListener( isAdd : boolean ) : void{ this.touchEnabled = isAdd; if( isAdd ){ this.addEventListener( egret.TouchEvent.TOUCH_TAP , this.onclick , this ); }else{ this.removeEventListener( egret.TouchEvent.TOUCH_TAP , this.onclick , this ); } } private onclick( $e : egret.TouchEvent ) : void{ this.btn_demo.enabled = !this.btn_demo.enabled; this.btn_demo2.enabled = !this.btn_demo2.enabled; this.$btn_demo3.enabled = !this.$btn_demo3.enabled; } protected childrenCreated():void{ super.childrenCreated(); this.handlerListener(true); this.btn_demo.label="第一种情况"; this.btn_demo.icon = RES.getRes("button_down_png"); this.baseChildren4BTN(this.btn_demo); this.changeChildren4BTN( this.btn_demo ); egret.log("===== 第二种情况 ====="); this.baseChildren4BTN( this.btn_demo2 ); this.changeChildren4BTN( this.btn_demo2 ); egret.log("===== 第三种情况 ====="); this.$btn_demo3 = new eui.Button(); this.$btn_demo3.label = "第三种情况"; this.$btn_demo3.x = this.$btn_demo3.y = 250; this.addChild( this.$btn_demo3 ); this.baseChildren4BTN( this.$btn_demo3 ); this.changeChildren4BTN( this.$btn_demo3 ); } private baseChildren4BTN(btn : eui.Button) : void{ let $img2Btn_normal : eui.Image = <eui.Image>btn.getChildAt(0); egret.log(" 常态 img 0 :" + $img2Btn_normal.source); // 改变常态img( 成功 ) // $img2Btn_normal.source = RES.getRes("蓝色小按钮_png"); let $label2Btn : eui.Label = <eui.Label>btn.getChildAt(1); egret.log(" 文本 1 :" + $label2Btn.text); if( btn.numChildren >= 3 ){ let $icon2Btn : eui.Image = <eui.Image>btn.getChildAt(2); if( $icon2Btn != null && $icon2Btn.source != null) egret.log("icon 2 :" + $icon2Btn.source.toString()); } } private changeChildren4BTN(btn : eui.Button) : void{ if( btn.skin != null && btn.skin.states != null){ let arr2States : eui.State[] = btn.skin.states; let target2State : eui.State = null; //up - 状态 target2State = arr2States[1]; let property2up: eui.SetProperty = <eui.SetProperty>target2State.overrides[ target2State.overrides.length -1]; if( property2up.name == "source" ){ egret.log("up : value ->" + property2up.value ); property2up.value = RES.getRes("蓝色小按钮_png"); } //disabled 状态 target2State = arr2States[2]; let property2d: eui.SetProperty = <eui.SetProperty>target2State.overrides[ target2State.overrides.length -1]; if( property2d.name == "source" ){ egret.log("--改变图片资源--"); egret.log("disabled : value ->" + property2d.value ); property2d.value = RES.getRes("radiobutton_select_up_png"); }else if( property2d.name == "alpha" ){ egret.log("--改变图片透明度--"); property2d.value = 0.3;//改变透明度 } } } } }
要更改normal :
要更改 up , disable :(可以同时有alpha和source , 可以同时得修改他们)
//******************************************************************************************************************
补充
public static setBtnSkin(btn: eui.Button, upImg, downImg, enableImg = null): void { if (btn.skin.states[0].overrides[0]["value"] == upImg && btn.skin.states[1].overrides[0]["value"] == downImg && btn.skin.states[2].overrides[0]["value"] == enableImg) return; btn.skin.states[1].overrides[0]["value"] = downImg; if (btn.enabled) btn.skin.states[2].overrides[0]["value"] = btn.skin.states[0].overrides[0]["value"]; else btn.skin.states[0].overrides[0]["value"] = btn.skin.states[2].overrides[0]["value"] btn.enabled = !btn.enabled; DelayCall.call(1, EuiUtil.releaseBtn, EuiUtil, [btn, !btn.enabled, upImg, enableImg == null ? upImg : enableImg]) } private static releaseBtn(btn: eui.Button, flag: boolean, upimg: string, disimg: string) { btn.skin.states[0].overrides[0]["value"] = upimg; btn.skin.states[2].overrides[0]["value"] = disimg; btn.enabled = flag; }
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