android,自定义状态';行不通
我的自定义选择器(如下所示)无法按预期工作,我根本看不到按下的状态。有小费吗?谢谢android,自定义状态';行不通,android,android-custom-view,android-custom-drawable,Android,Android Custom View,Android Custom Drawable,我的自定义选择器(如下所示)无法按预期工作,我根本看不到按下的状态。有小费吗?谢谢 <?xml version="1.0" encoding="utf-8"?> <selector xmlns:android="http://schemas.android.com/apk/res/android" > <!-- this state button has special design: + enabled state has whi
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android"
>
<!-- this state button has special design:
+ enabled state has white text on green background
+ disabled state has grey text on greyer background
-->
<item android:state_enabled="true"
android:drawable="@drawable/cb_shape_button_primary"
android:color="@color/white"
/>
<item android:state_pressed="true"
android:drawable="@drawable/cb_shape_button_pressed"
android:color="@color/white"
/>
<item android:state_focused="true"
android:drawable="@drawable/cb_shape_button_pressed"
android:color="@color/white"
/>
<item android:state_enabled="false"
android:drawable="@drawable/cb_shape_button_flat"
android:color="@color/grey_subtext"
/>
</selector>
尝试将按下的状态移动到顶部,如下所示:
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android"
>
<!-- this state button has special design:
+ enabled state has white text on green background
+ disabled state has grey text on greyer background
-->
<item android:state_pressed="true"
android:drawable="@drawable/cb_shape_button_pressed"
android:color="@color/white"
/>
<item android:state_enabled="true"
android:drawable="@drawable/cb_shape_button_primary"
android:color="@color/white"
/>
<item android:state_focused="true"
android:drawable="@drawable/cb_shape_button_pressed"
android:color="@color/white"
/>
<item android:state_enabled="false"
android:drawable="@drawable/cb_shape_button_flat"
android:color="@color/grey_subtext"
/>
编辑:正如@forcewill提到的,要注意的是,将按下状态移到顶部的原因与Android将使用匹配的第一个状态有关,在您的情况下,小部件是同时启用和按下的,因此它首先匹配启用状态。选择器XML标记始终选择第一个匹配项。这意味着如果启用视图,它将始终显示
@drawable/cb\u shape\u button\u primary
。选择器的一般经验法则是,您的“默认”项应该是列表中的最后一项
尝试将默认状态移到最后,看看这是否解决了问题
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android"
>
<!-- this state button has special design:
+ enabled state has white text on green background
+ disabled state has grey text on greyer background
-->
<item android:state_pressed="true"
android:drawable="@drawable/cb_shape_button_pressed"
android:color="@color/white"
/>
<item android:state_focused="true"
android:drawable="@drawable/cb_shape_button_pressed"
android:color="@color/white"
/>
<item android:state_enabled="false"
android:drawable="@drawable/cb_shape_button_flat"
android:color="@color/grey_subtext"
/>
<item android:state_enabled="true"
android:drawable="@drawable/cb_shape_button_primary"
android:color="@color/white"
/>
</selector>
试试这个
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:drawable="@drawable/select_item" android:state_checked="true" android:state_focused="true" />
<item android:drawable="@drawable/unselect_item" android:state_checked="false" android:state_focused="true" />
<item android:drawable="@drawable/unselect_item" android:state_checked="false" />
<item android:drawable="@drawable/select_item" android:state_checked="true" />
对于简单的选择和取消选择,请使用此
并将您的图像设置为android:drawable
真:选中
False:Unselected只是要注意,将按下状态移到顶部的原因与Android将使用第一个匹配的状态有关,在您的情况下,小部件是同时启用和按下的,因此它首先匹配了启用的状态。您不仅要发布代码,还要解释您提出建议的原因。linked
<selector><item android:state_checked="false" android:drawable="@drawable/radiobtnunselected"/><item android:state_checked="true" android:drawable="@drawable/radiobtnselected"/></selector>