{"id":50,"date":"2021-04-30T13:29:44","date_gmt":"2021-04-30T05:29:44","guid":{"rendered":"https:\/\/jinhaihan.top\/WordPress\/?p=50"},"modified":"2021-10-07T17:39:08","modified_gmt":"2021-10-07T09:39:08","slug":"%e8%87%aa%e5%ae%9a%e4%b9%89%e8%a7%86%e5%9b%be%e7%9a%84databbinding","status":"publish","type":"post","link":"https:\/\/www.jinhaihan.top\/WordPress\/%e8%87%aa%e5%ae%9a%e4%b9%89%e8%a7%86%e5%9b%be%e7%9a%84databbinding\/","title":{"rendered":"\u81ea\u5b9a\u4e49\u89c6\u56fe\u7684DatabBinding"},"content":{"rendered":"<pre><code class=\"language-kotlin\">class CouponsView(context: Context?, attrs: AttributeSet?, defStyleAttr: Int) : LinearLayout(context, attrs, defStyleAttr) {\n    \/\/\u540d\u79f0\u4e0eUI\u76f8\u540c \uff0c\u5f53XML\u91cc\u9762\u7528layout\u6807\u7b7e\u4e4b\u540e\uff0c\u5c31\u4f1a\u751f\u6210\u8fd9\u4e2a\u7ed1\u5b9a\u7c7b\n    var mDataBinding : ViewCouponsBinding?=null\n\n    constructor(context: Context?, attrs: AttributeSet?) : this(context, attrs, 0) {\n        val inflater =\n            getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE) as LayoutInflater\n            \/\/\u7ed1\u5b9a\u5e03\u5c40\u5e76\u663e\u793a\n        mDataBinding = ViewCouponsBinding.inflate(inflater, this, true);\n        \/\/\u8bbe\u5b9a\u5e03\u5c40\u4e2d\u7684\u53d8\u91cf\n        mDataBinding!!.couponsViewModel = CouponsViewModel()\n    }\n\n    constructor(context: Context?) : this(context, null) {}\n}<\/code><\/pre>\n<pre><code class=\"language-xml\">&lt;?xml version=&quot;1.0&quot; encoding=&quot;utf-8&quot;?&gt;\n&lt;layout&gt;\n    &lt;data&gt;\n     &lt;data&gt;\n        &lt;variable\n        &lt;!-- \u8fd9\u91cc\u8bbe\u5b9a\u4ec0\u4e48name\uff0c\u5c31\u53ef\u4ee5\u5728\u4e0a\u9762\u7684mDataBinding\u91cc\uff0cset\u76f8\u5e94\u7684\u53d8\u91cf\u503c --&gt;\n            name=&quot;couponsViewModel&quot;\n            type=&quot;com.hxpl.base.weight.CouponsView.CouponsViewModel&quot; \/&gt;\n    &lt;\/data&gt;\n    &lt;LinearLayout\n        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