java.lang.NoSuchMethodError: No interface method i()I in class 
Landroid/content/res/XmlResourceParser; or its super classes (declaration of 
'android.content.res.XmlResourceParser' appears in 
/system/framework/framework.jar)
                          at 
android.support.v4.content.FileProvider.parsePathStrategy(Unknown Source)
                          at 
android.support.v4.content.FileProvider.getPathStrategy(Unknown Source)                          at 
android.support.v4.content.FileProvider.attachInfo(Unknown Source)

-keep class org.xmlpull.v1.** { *;}
-dontwarn org.xmlpull.v1.**