DiskReadViolation in Sift.open #104
Description
We're following the example given in the README of this repo, and see that the Sift SDK is doing disk reads on the UI thread. This is evident if you turn on strict mode.
11-16 09:47:26.429 1573 1573 D StrictMode: StrictMode policy violation; ~duration=319 ms: android.os.strictmode.DiskReadViolation 11-16 09:47:26.429 1573 1573 D StrictMode: at android.os.StrictMode$AndroidBlockGuardPolicy.onReadFromDisk(StrictMode.java:1659) 11-16 09:47:26.429 1573 1573 D StrictMode: at [libcore.io](http://libcore.io/).BlockGuardOs.access(BlockGuardOs.java:74) 11-16 09:47:26.429 1573 1573 D StrictMode: at [libcore.io](http://libcore.io/).ForwardingOs.access(ForwardingOs.java:128) 11-16 09:47:26.429 1573 1573 D StrictMode: at android.app.ActivityThread$AndroidOs.access(ActivityThread.java:7747) 11-16 09:47:26.429 1573 1573 D StrictMode: at [java.io](http://java.io/).UnixFileSystem.checkAccess(UnixFileSystem.java:281) 11-16 09:47:26.429 1573 1573 D StrictMode: at [java.io](http://java.io/).File.exists(File.java:813) 11-16 09:47:26.429 1573 1573 D StrictMode: at android.app.ContextImpl.ensurePrivateDirExists(ContextImpl.java:751) 11-16 09:47:26.429 1573 1573 D StrictMode: at android.app.ContextImpl.ensurePrivateDirExists(ContextImpl.java:742) 11-16 09:47:26.429 1573 1573 D StrictMode: at android.app.ContextImpl.getPreferencesDir(ContextImpl.java:698) 11-16 09:47:26.429 1573 1573 D StrictMode: at android.app.ContextImpl.getSharedPreferencesPath(ContextImpl.java:923) 11-16 09:47:26.429 1573 1573 D StrictMode: at android.app.ContextImpl.getSharedPreferences(ContextImpl.java:545) 11-16 09:47:26.429 1573 1573 D StrictMode: at android.content.ContextWrapper.getSharedPreferences(ContextWrapper.java:196) 11-16 09:47:26.429 1573 1573 D StrictMode: at siftscience.android.SiftImpl.<init>(SiftImpl.java:125) 11-16 09:47:26.429 1573 1573 D StrictMode: at siftscience.android.SiftImpl.<init>(SiftImpl.java:97) 11-16 09:47:26.429 1573 1573 D StrictMode: at siftscience.android.Sift.open(Sift.java:68) 11-16 09:47:26.429 1573 1573 D StrictMode: at siftscience.android.Sift.open(Sift.java:89)