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在默认的values下新建一个bools.xml

<?xml version="1.0" encoding="utf-8"?>  
<resources>  
  
    <bool name="large_layout">false</bool>  
  
</resources>  

然后在res下新建一个values-large，在values-large下再新建一个bools.xml

<?xml version="1.0" encoding="utf-8"?>  
<resources>  
  
    <bool name="large_layout">true</bool>  
  
</resources>  


//在需要判断大小屏的地方的代码
boolean mIsLargeLayout = getResources().getBoolean(R.bool.large_layout) ;