remove support for ios8

README.md

@@ -199,6 +199,5 @@ console.log("App is running in emulator", DeviceInfo.isEmulator()); // if app is
 
 console.log("App is running on a tablet", DeviceInfo.isTablet()); // if app is running on a tablet return true
 
-console.log("PIN or fingerprint configured on device", DeviceInfo.isPinOrFingerprintSet()); // if PIN or fingerprint is configured.  
-// For iOS 8.0 and below, this will only return true if Touch ID is enabled
+console.log("PIN or fingerprint configured on device", DeviceInfo.isPinOrFingerprintSet()); // if PIN or fingerprint is configured.  Only supported in Android and iOS 9.0 and above
 ```

RNDeviceInfo/RNDeviceInfo.m

@@ -166,14 +166,7 @@ RCT_EXPORT_MODULE()
 - (bool) isPinOrFingerprintSet
 {
   LAContext *context = [[LAContext alloc] init];
-
-  // Fallback to LAPolicyDeviceOwnerAuthenticationWithBiometrics if iOS version <9.0
-  if ([[NSProcessInfo processInfo] isOperatingSystemAtLeastVersion:(NSOperatingSystemVersion){9,0,0}]) {
-    return ([context canEvaluatePolicy:LAPolicyDeviceOwnerAuthentication error:nil]);
-  }
-  else {
-    return ([context canEvaluatePolicy:LAPolicyDeviceOwnerAuthenticationWithBiometrics error:nil]);
-  }
+  return ([context canEvaluatePolicy:LAPolicyDeviceOwnerAuthentication error:nil]);
 }
 
 - (NSDictionary *)constantsToExport