StrictMode warnings

[ened]

D/StrictMode: StrictMode policy violation; ~duration=198 ms: android.os.StrictMode$StrictModeDiskReadViolation: policy=65567 violation=2
   at android.os.StrictMode$AndroidBlockGuardPolicy.onReadFromDisk(StrictMode.java:1263)
   at libcore.io.BlockGuardOs.access(BlockGuardOs.java:67)
   at java.io.File.doAccess(File.java:281)
   at java.io.File.exists(File.java:361)
   at android.app.ContextImpl.createFilesDirLocked(ContextImpl.java:418)
   at android.app.ContextImpl.getFilesDir(ContextImpl.java:441)
   at android.content.ContextWrapper.getFilesDir(ContextWrapper.java:203)
   at com.malinskiy.materialicons.Utils.resourceToFile(Utils.java:36)
   at com.malinskiy.materialicons.Iconify.getTypeface(Iconify.java:66)
   at com.malinskiy.materialicons.IconDrawable.<init>(IconDrawable.java:46)
   at com.company.app.activity.Start.onCreate(Start.java:41)
   at com.company.app.activity.Start_.onCreate(Start_.java:35)
   at android.app.Activity.performCreate(Activity.java:6251)
   at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1107)
   at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2369)
   at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476)
   at android.app.ActivityThread.-wrap11(ActivityThread.java)
   at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344)
   at android.os.Handler.dispatchMessage(Handler.java:102)
   at android.os.Looper.loop(Looper.java:148)
   at android.app.ActivityThread.main(ActivityThread.java:5417)
   at java.lang.reflect.Method.invoke(Native Method)
   at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
   at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)