有時候我們希望選中、點選的文字變色。這可以通過使用Selector來實作(因為總是忘記,是以記下來)
建立Selector檔案,命門為gender_text_selector.xml
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android" >
<item android:state_checked="false" android:color="#40ffffff" />
<item android:state_checked="true" android:color="#60f2d245"></item>
</selector>
使用:(通過設定textColor: android:textColor="@drawable/gender_text_selector")
<RadioGroup
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center_horizontal"
android:orientation="horizontal">
<RadioButton
android:id="@+id/male"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:button="@null"
android:drawableTop="@drawable/male_selector"
android:checked="true"
android:text="@string/man"
android:gravity="center"
android:drawablePadding="10dp"
android:textColor="@drawable/gender_text_selector"
android:textSize="30sp"
/>
<RadioButton
android:id="@+id/female"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:button="@null"
android:drawableTop="@drawable/female_selector"
android:layout_marginLeft="10dp"
android:text="@string/female"
android:gravity="center"
android:drawablePadding="10dp"
android:textColor="@drawable/gender_text_selector"
android:textSize="30sp"
/>
</RadioGroup>