无法在自定义颜色选择器中使用标准android颜色属性
因此,android在无法在自定义颜色选择器中使用标准android颜色属性,android,android-theme,Android,Android Theme,因此,android在themes.xml中定义了以下内容: <style name="Theme"> ... <item name="colorPressedHighlight">@color/legacy_pressed_highlight</item> </style> <?xml version="1.0" encoding="utf-8"?> <selector xmlns:android="http:
themes.xml
中定义了以下内容:
<style name="Theme">
...
<item name="colorPressedHighlight">@color/legacy_pressed_highlight</item>
</style>
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android" >
<item
android:state_pressed="true"
android:drawable="?android:colorPressedHighlight"/>
<item android:drawable="@android:color/transparent" />
</selector>
最后,我定义了我的自定义ImageButton
样式:
<style name="App_ImageButtonStyle" parent="@android:style/Widget.ImageButton">
<item name="android:gravity">center</item>
<item name="android:background">@color/app_button_background</item>
</style>
居中
@颜色/应用程序按钮背景
我在应用程序启动时崩溃,调用堆栈如下:
06-27 20:24:41.954: E/AndroidRuntime(532): Caused by: org.xmlpull.v1.XmlPullParserException: Binary XML file line #6: <item> tag requires a 'drawable' attribute or child tag defining a drawable
06-27 20:24:41.954: E/AndroidRuntime(532): at android.graphics.drawable.StateListDrawable.inflate(StateListDrawable.java:178)
06-27 20:24:41.954: E/AndroidRuntime(532): at android.graphics.drawable.Drawable.createFromXmlInner(Drawable.java:867)
06-27 20:24:41.954: E/AndroidRuntime(532): at android.graphics.drawable.Drawable.createFromXml(Drawable.java:804)
06-27 20:24:41.954: E/AndroidRuntime(532): at android.content.res.Resources.loadDrawable(Resources.java:1920)
06-27 20:24:41.954:E/AndroidRuntime(532):由以下原因引起:org.xmlpull.v1.XmlPullParserException:二进制XML文件行#6:tag需要一个“drawable”属性或定义drawable的子标记
06-27 20:24:41.954:E/AndroidRuntime(532):在安卓上.graphics.drawable.StateListDrawable.inflate(StateListDrawable.java:178)
06-27 20:24:41.954:E/AndroidRuntime(532):在android.graphics.drawable.drawable.createFromXmlInner(drawable.java:867)
06-27 20:24:41.954:E/AndroidRuntime(532):在android.graphics.drawable.drawable.createFromXml(drawable.java:804)
06-27 20:24:41.954:E/AndroidRuntime(532):在android.content.res.Resources.loadDrawable(Resources.java:1920)上
我知道直接访问@color/legacy\u pressed\u highlight
或@color/holo\u blue\u light
而不是通过colorppressed highlight
访问它们可以修复崩溃,但这并不能解决问题。主题可以不同,因此我需要通过colorPressedHighlight
属性访问它
PS:我有一个类似的问题,我还没有找到答案。有人能帮忙吗 也许您还需要在文件res/values/attrs.xml中声明属性引用:
<?xml version="1.0" encoding="utf-8"?>
<resources>
<attr name="colorPressedHighlight" format="reference" />
</resources>
并将其称为?colorPressedHighlight
,而不是?android:colorPressedHighlight
<?xml version="1.0" encoding="utf-8"?>
<resources>
<attr name="colorPressedHighlight" format="reference" />
</resources>