使用shape gradient创建具有渐变效果的线条

 

<?xml version="1.0" encoding="utf-8"?>
<shape
  xmlns:android="http://schemas.android.com/apk/res/android">
    <gradient 
    	android:startColor="#0f00"
    	android:endColor="#ff00"
    />
</shape>

 

 

<?xml version="1.0" encoding="utf-8"?>
<shape
  xmlns:android="http://schemas.android.com/apk/res/android">
    <gradient 
    	android:startColor="#0f00"
    	android:centerColor="#ff00"
    	android:endColor="#0f00"
    />
</shape>

 

 

 

 

 

 

<?xml version="1.0" encoding="utf-8"?>
<shape
  xmlns:android="http://schemas.android.com/apk/res/android">
    <gradient 
    	android:startColor="#0f00"
    	android:endColor="#0f00"
    	android:type="radial"
    	android:gradientRadius="50%"
    />
</shape>