Android开发(25) 如何解决Attribute "XXX" has already been defined
2014-10-23 14:58
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一 那么问题来了?该问题产生的原因:
如果从单独开发app的话,可能不会遇到多个自定义类的attribute 的名字重复的问题。
但是如果是团队合作开发的话,可能会碰到这样的问题,A和B自定义的两个类都用了同一个名字来定义属性,
这时系统会报出警告,Attribute "xxx" has already been defined. A和B又都不想修改自己的名字,这时就很头痛。
一 举例说明:
在values文件夹下定义一个上面的attrs.xml的文件,eclipse即会报错:Attribute "icon" has already been defined。
因为在PreferenceHeader, Preference两个属性集里定义了两个相同的属性。
![](http://img.blog.csdn.net/20141023151519763?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvemVuZ2RlcWluZzIwMTI=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center)
![](http://img.blog.csdn.net/20141023151526861?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvemVuZ2RlcWluZzIwMTI=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center)
解决方案:
1.在xml文件里前面先声明属性
2.然后在属性集合里引用声明的属性即可。
以上面的文件为例来修改,如下:
如果从单独开发app的话,可能不会遇到多个自定义类的attribute 的名字重复的问题。
但是如果是团队合作开发的话,可能会碰到这样的问题,A和B自定义的两个类都用了同一个名字来定义属性,
这时系统会报出警告,Attribute "xxx" has already been defined. A和B又都不想修改自己的名字,这时就很头痛。
一 举例说明:
在values文件夹下定义一个上面的attrs.xml的文件,eclipse即会报错:Attribute "icon" has already been defined。
因为在PreferenceHeader, Preference两个属性集里定义了两个相同的属性。
解决方案:
1.在xml文件里前面先声明属性
2.然后在属性集合里引用声明的属性即可。
以上面的文件为例来修改,如下:
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