Android recyclerview realizes horizontal and vertical split lines
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Android
Android recyclerview does not arbitrarily set the horizontal split line like listview in the past. If you want to realize the horizontal / vertical split line of recyclerview, you need to inherit from recyclerview.itemdecoration and override getitemoffsets method to increase the horizontal / vertical split line.
Write an example.
MainActivity.Java：
The layout file is very simple. Put a recyclerview and pay attention to the setting of background color:
The most critical recyclerviewitemdecoration.java:
Code run result:
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