我遇到问题,我正在开发一款应用,我想改变Action Bar按钮的背景颜色。我跟着它了:
在我的menu.xml中,我有这段代码:
<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
tools:context=".main" >
<item android:id="@+id/action_search"
android:icon="@drawable/ic_search"
app:showAsAction="always|collapseActionView"
app:actionViewClass="android.support.v7.widget.SearchView"
android:title="@string/action_search"/>
<item android:id="@+id/action_carrito"
android:title="@string/action_example"
android:icon="@drawable/ic_carrito"
app:showAsAction="always" />
</menu>
我的styles.xml,我有这个:
<resources>
<!-- Base application theme. -->
<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
<!-- Customize your theme here. -->
<item name="android:actionBarStyle">@style/MyActionBar</item>
<item name="actionBarStyle">@style/MyActionBar</item>
<item name="actionButtonStyle">@style/MyActionButtonStyle</item>
<item name="android:actionButtonStyle">@style/MyActionButtonStyle</item>
</style>
<style name="MyActionBar" parent="@android:style/Widget.Holo.Light.ActionBar">
<item name="android:background">@android:color/white</item>
<item name="android:textSize">18sp</item>
</style>
<style name="MyActionButtonStyle" parent="Theme.AppCompat.Light.DarkActionBar">
<item name="android:background">@color/darker_green</item>
</style>
</resources>
两个按钮都会捕捉到这种背景色。但我只想把它用于id为&#34; @ + id / action_carrito&#34;的按钮。我希望有人可以帮助我。提前谢谢。
答案 0 :(得分:1)
如果您尝试在action_carrito_bg.xml
文件夹下创建layer-list
drawable
,该内容如下所示:
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item>
<shape android:shape="rectangle">
<solid android:color="@color/darker_green"></solid>
</shape>
</item>
<item>
<bitmap android:src="@drawable/ic_carrito"/>
</item>
</layer-list>
然后从MyActionButtonStyle
中移除styles.xml
,并将该drawable设置为菜单项的图标:
<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
tools:context=".main" >
<item android:id="@+id/action_search"
android:icon="@drawable/ic_search"
app:showAsAction="always|collapseActionView"
app:actionViewClass="android.support.v7.widget.SearchView"
android:title="@string/action_search"/>
<item android:id="@+id/action_carrito"
android:title="@string/action_example"
android:icon="@drawable/action_carrito_bg"
app:showAsAction="always" />
</menu>