Binary XML file line #4: <item> tag requires a
发布时间:2020-12-16 06:20:29 所属栏目:百科 来源:网络整理
导读:在LinearLayout中利用selector实现按钮点击效果的时候,发现错误如下: Binary XML file line #4: item tag requires a 'drawable' attribute or child tag defining a drawable LinearLayout使用代码: LinearLayout android:id="@+id/ll_patient" android:
在LinearLayout中利用selector实现按钮点击效果的时候,发现错误如下:Binary XML file line #4: <item> tag requires a 'drawable' attribute or child tag defining a drawable LinearLayout使用代码:<LinearLayout android:id="@+id/ll_patient" android:layout_width="0dp" android:layout_height="match_parent" android:layout_weight="1" android:background="@drawable/selector_blue47_and_white" android:gravity="center" android:orientation="vertical" > selector的错误代码:<?xml version="1.0" encoding="utf-8"?> <selector xmlns:android="http://schemas.android.com/apk/res/android"> <item android:color="@color/blue_47" android:state_selected="true"/> <item android:color="@color/white" android:state_selected="false"/> </selector> selector的正确代码: 修改android:color为android:drawable即可<?xml version="1.0" encoding="utf-8"?> <selector xmlns:android="http://schemas.android.com/apk/res/android"> <item android:drawable="@color/blue_47" android:state_selected="true"/> <item android:drawable="@color/white" android:state_selected="false"/> </selector> 估计LinearLayout中是background属性,所以是需要 用drawable 而不是 color (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |