评级栏与自定义绘制不显示半星只有全星

Question

你好，我有一个自定义绘制的评级栏，但它只显示全星，不显示一半这是我的代码，我怎么能解决这个问题?

<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:id="@android:id/background"
android:drawable="@drawable/empty_star" />
<item
android:id="@+id/secondaryProgress"
android:drawable="@drawable/empty_star" />
<item
android:id="@android:id/progress"
android:drawable="@drawable/filled_star" />

<style name="doctor_rating" parent="@style/Widget.AppCompat.RatingBar">
<item name="android:minHeight">13dp</item>
<item name="android:minWidth">65dp</item>
<item name="android:numStars">5</item>
<item name="android:progressDrawable">@drawable/custom_rating_stars</item>
<item name="android:stepSize">.1</item>
</style>


<RatingBar
android:id="@+id/doctor_rating_bar"
style="@style/doctor_rating"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentStart="true"
android:layout_centerVertical="true"
android:layout_gravity="end"
android:rating="3.5"
/>

Answer 1

看看下面的代码，这会对你有所帮助。

custom_rating_stars.xml:

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:id="@android:id/background"
android:drawable="@drawable/ratingbar_empty" />
<item
android:id="@android:id/progress"
android:drawable="@drawable/ratingbar_filled" />
</layer-list>

ratingbar_empty.xml:

<?xml version="1.0" encoding="utf-8"?>
<selector
xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_pressed="true"
android:state_window_focused="true"
android:drawable="@drawable/star_grey_small" />
<item android:state_focused="true"
android:state_window_focused="true"
android:drawable="@drawable/star_grey_small" />
<item android:state_selected="true"
android:state_window_focused="true"
android:drawable="@drawable/star_grey_small" />
<item android:drawable="@drawable/star_grey_small" />
</selector>

ratingbar_filled.xml:

<?xml version="1.0" encoding="utf-8"?>
<selector
xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_pressed="true"
android:state_window_focused="true"
android:drawable="@drawable/star_yellow" />
<item android:state_focused="true"
android:state_window_focused="true"
android:drawable="@drawable/star_yellow" />
<item android:state_selected="true"
android:state_window_focused="true"
android:drawable="@drawable/star_yellow" />
<item android:drawable="@drawable/star_yellow" />
</selector>

Answer 2

试试这个:

<style name="doctor_rating" parent="android.widget.RatingBar">
<item name="android:minHeight">13dp</item>
<item name="android:minWidth">65dp</item>
<item name="android:numStars">5</item>
<item name="android:progressDrawable">@drawable/custom_rating_stars</item>
<item name="android:stepSize">0.1</item>