Android中设置shape的gradientRadius出现java.lang.IllegalArgumentException: radius must be > 0错误

分类：Android, Java 阅读 (4,061) Add comments

1月 092017

转载请注明原文地址：http://bcoder.com/java/got-radius-must-be-0-error-when-set-property-gradientradius-for-shape-in-android

　　今天写一个shape的drawable资源，实心部分是用放射形的渐变填充的，gradientRadius属性使用的百分比值来设定，如下代码：

<?xml version="1.0" encoding="utf-8"?>
<shape android:shape="oval"
       xmlns:android="http://schemas.android.com/apk/res/android">
    <gradient android:type="radial"
              android:endColor="@color/cadetblue"
              android:startColor="@color/whitesmoke"
              android:centerX="0.5"
              android:centerY="0.3"
        android:gradientRadius="100%"></gradient>
</shape>

<?xml version="1.0" encoding="utf-8"?>

<shape android:shape="oval"

xmlns:android="http://schemas.android.com/apk/res/android">

<gradient android:type="radial"

android:endColor="@color/cadetblue"

android:startColor="@color/whitesmoke"

android:centerX="0.5"

android:centerY="0.3"

android:gradientRadius="100%"></gradient>

</shape>

　　在小米手上运行正常，但是在三星Note3上报java.lang.IllegalArgumentException: radius must be > 0错误，经在网上搜索后将100%改成100%p就没问题了，修改后的代码如下：

<?xml version="1.0" encoding="utf-8"?>
<shape android:shape="oval"
       xmlns:android="http://schemas.android.com/apk/res/android">
    <gradient android:type="radial"
              android:endColor="@color/cadetblue"
              android:startColor="@color/whitesmoke"
              android:centerX="0.5"
              android:centerY="0.3"
        android:gradientRadius="100%p"></gradient>
</shape>