public class MIUIUtils { 
// 检测MIUI 
private static final String KEY_MIUI_VERSION_CODE = "ro.miui.ui.version.code"; 
private static final String KEY_MIUI_VERSION_NAME = "ro.miui.ui.version.name"; 
private static final String KEY_MIUI_INTERNAL_STORAGE = "ro.miui.internal.storage"; 
public static boolean isMIUI() {<span style="white-space:pre"> 
</span>//获取缓存状态 
if(SPUtils.getInstance().getCacheDataSP().contains("isMIUI"))
{ 
return SPUtils.getInstance().getCacheDataSP().getBoolean("isMIUI",false); 
} 
Properties prop= new Properties(); 
boolean isMIUI; 
try { 
prop.load(new FileInputStream(new File(Environment.getRootDirectory(), "build.prop"))); 
} catch (IOException e) 
{ 
e.printStackTrace(); 
return false; 
} 
isMIUI= prop.getProperty(KEY_MIUI_VERSION_CODE, null) != null 
|| prop.getProperty(KEY_MIUI_VERSION_NAME, null) != null 
|| prop.getProperty(KEY_MIUI_INTERNAL_STORAGE, null) != null; 
SPUtils.getInstance().putCacheData("isMIUI",isMIUI);//保存是否MIUI 
return isMIUI; 
}}