Changed Recording Naming implementation

Changed list of urls to be sorted in reverse

Author: samridhgupta

ios/RNReactNativeReplaykit.m

@@ -22,14 +22,13 @@ - (dispatch_queue_t)methodQueue
 
 RCT_EXPORT_METHOD(startRecording:(RCTResponseSenderBlock)callback)
 {
-    static NSString *letters = @"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
-    NSMutableString *randomString = [NSMutableString stringWithCapacity: 15];
-    for (int i=0; i<15; i++) {
-        [randomString appendFormat: @"%C", [letters characterAtIndex: arc4random() % [letters length]]];
-    }
+    NSTimeInterval timeStamp = [[NSDate date] timeIntervalSince1970];
+    NSNumber *timeStampObj = [NSNumber numberWithInteger: [[NSNumber numberWithDouble: timeStamp] integerValue] ];
+    NSMutableString *fileName = [[NSMutableString alloc] initWithString:@"Recording-"];
+    [fileName appendString: [timeStampObj stringValue]];
 
     [self.screenRecordCoordinator
-     startRecordingWithFileName:randomString
+     startRecordingWithFileName:fileName
      recordingHandler:^(NSError *error) {
          if(error)
          {

ios/ScreenRecord/FileUtil.swift

@@ -76,8 +76,8 @@ import Foundation
         let urls = directoryContents.map({
             (url: URL) -> String in
             return url.relativePath
-        })
-        return urls
+        }).sorted(by: >);
+        return urls;
     }
 }