<activity> vs. <activity/>. What is the difference?

 

This question already has an answer here:

  • What does <tag/> mean in XML? 1 answer
  • When are closing tags required with Android view markup? 3 answers

    • 第一种类型是简短的方式，除此之外没有什么区别，但是你可以这样做，因为如果你在活动中有额外的标签，你将使用第二种类型，就像你提到的那样，这取决于你是否觉得适合你

  • What are the main differences between the two, if any?

    No there is no difference between both of them both are valid

    • 1. The XML Schema of the AndroidManifest file allows empty-elements. An element with no content is said to be empty. The representation of an empty element is either a start-tag immediately followed by an end-tag

    <activity android:name=".MainActivity" />

    2. when you need to supports nested inner tags in your <activity> tag than you should use for example 

    <activity android:name=".Complaints"> 
        <intent-filter>

        </intent-filter>
   </activity>`
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