basic screen recording, stopping and listing of the .mp4 urls in the /Replays folder

Author: Matthew Thompson

ios/RNReactNativeReplaykit.h

@@ -6,6 +6,7 @@
 #endif
 
 #import <ReplayKit/ReplayKit.h>
+#import "RNReactNativeReplaykit-Swift.h"
 //#import "RNReactNativeReplaykit-Swift.h"
 //@class ReplayFileUtil;
 
@@ -16,6 +17,7 @@
 @property (strong, nonatomic) AVAssetWriter *assetWriter; // TODO
 @property (strong, nonatomic) AVAssetWriterInput *assetWriterInput; // TODO
 @property (strong, nonatomic) RPPreviewViewController *previewViewController;
+@property (strong, nonatomic) ScreenRecordCoordinator *screenRecordCoordinator;
 
 @end
 

ios/RNReactNativeReplaykit.m

@@ -1,6 +1,7 @@
 
 #import "RNReactNativeReplaykit.h"
 #import <React/RCTLog.h>
+//#import <AVAssetWriter>
 
 #import "RNReactNativeReplaykit-Swift.h"
 
@@ -12,20 +13,46 @@ - (dispatch_queue_t)methodQueue
     return dispatch_get_main_queue();
 }
 
-RCT_EXPORT_METHOD(startRecording)
+RCT_EXPORT_METHOD(initt)
+{
+    self.screenRecordCoordinator = [[ScreenRecordCoordinator alloc] init];
+}
+
+RCT_EXPORT_METHOD(startRecording:(RCTResponseSenderBlock)callback)
 {
     [ReplayFileUtil createReplaysFolder];
-//    [ScreenRecorder start]
+    static NSString *letters = @"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
+    NSMutableString *randomString = [NSMutableString stringWithCapacity: 15];
+    for (int i=0; i<15; i++) {
+        [randomString appendFormat: @"%C", [letters characterAtIndex: arc4random() % [letters length]]];
+    }
+
+    [self.screenRecordCoordinator
+     startRecordingWithFileName:randomString
+     recordingHandler:^(NSError *error) {
+         
+         if(error)
+         {
+             
+         }
+     }
+     onCompletion:^(NSError *error) {
+         
+         if(error)
+         {
+         }
+     }];
 }
 
 RCT_EXPORT_METHOD(getRecordings:(RCTResponseSenderBlock)callback)
 {
-    NSArray *recordings = [ReplayFileUtil fetchAllReplays];
-    callback(@[[NSNull null], recordings]);
+    NSArray *recordings = [self.screenRecordCoordinator listAllReplays];
+    callback(@[recordings]);
 }
 
 RCT_EXPORT_METHOD(stopRecording)
 {
+    [self.screenRecordCoordinator stopRecording];
 }
 
 RCT_EXPORT_MODULE()

ios/RNReactNativeReplaykit.xcodeproj/project.pbxproj

@@ -56,13 +56,21 @@
 			name = Products;
 			sourceTree = "<group>";
 		};
-		58B511D21A9E6C8500147676 = {
+		52ECF58A2148AE6400301CC6 /* ScreenRecord */ = {
 			isa = PBXGroup;
 			children = (
 				52ECF5882148A75700301CC6 /* WindowUtil.swift */,
 				52ECF5862148A74600301CC6 /* ScreenRecorder.swift */,
 				52ECF5842148A73500301CC6 /* ScreenRecordCoordinator.swift */,
 				52ECF57F21487E1500301CC6 /* FileUtil.swift */,
+			);
+			path = ScreenRecord;
+			sourceTree = "<group>";
+		};
+		58B511D21A9E6C8500147676 = {
+			isa = PBXGroup;
+			children = (
+				52ECF58A2148AE6400301CC6 /* ScreenRecord */,
 				B3E7B5881CC2AC0600A0062D /* RNReactNativeReplaykit.h */,
 				B3E7B5891CC2AC0600A0062D /* RNReactNativeReplaykit.m */,
 				134814211AA4EA7D00B7C361 /* Products */,

ios/FileUtil.swift ios/ScreenRecord/FileUtil.swiftios/FileUtil.swift renamed to ios/ScreenRecord/FileUtil.swift

@@ -42,12 +42,16 @@ import Foundation
         return filePath
     }
 
-    class func fetchAllReplays() -> Array<URL>
+    class func fetchAllReplays() -> Array<String>
     {
         let documentsDirectory = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first
         let replayPath = documentsDirectory?.appendingPathComponent("/Replays")
         let directoryContents = try! FileManager.default.contentsOfDirectory(at: replayPath!, includingPropertiesForKeys: nil, options: [])
-        return directoryContents
+        let urls = directoryContents.map({
+            (url: URL) -> String in
+            return url.absoluteString
+        })
+        return urls
     }
 }
 

ios/ScreenRecordCoordinator.swift …reenRecord/ScreenRecordCoordinator.swiftios/ScreenRecordCoordinator.swift renamed to ios/ScreenRecord/ScreenRecordCoordinator.swift ios/ScreenRecordCoordinator.swift renamed to ios/ScreenRecord/ScreenRecordCoordinator.swift

@@ -42,7 +42,7 @@ import Foundation
         }
     }
 
-    class func listAllReplays() -> Array<URL>
+    func listAllReplays() -> Array<String>
     {
         return ReplayFileUtil.fetchAllReplays()
     }

ios/ScreenRecorder.swift ios/ScreenRecord/ScreenRecorder.swiftios/ScreenRecorder.swift renamed to ios/ScreenRecord/ScreenRecorder.swift

@@ -18,8 +18,9 @@ import AVKit
 
     let viewOverlay = WindowUtil()
 
-    let mp4: AVFileType = ""
-    let video: AVFileType = ""
+    public func pewpew () {
+        
+    }
 
     //MARK: Screen Recording
     public func startRecording(withFileName fileName: String, recordingHandler:@escaping (Error?)-> Void)
@@ -28,14 +29,14 @@ import AVKit
         {
             let fileURL = URL(fileURLWithPath: ReplayFileUtil.filePath(fileName))
             assetWriter = try! AVAssetWriter(outputURL: fileURL, fileType:
-                mp4 as String)
+                AVFileTypeMPEG4)
             let videoOutputSettings: Dictionary<String, Any> = [
                 AVVideoCodecKey : AVVideoCodecType.h264,
                 AVVideoWidthKey : UIScreen.main.bounds.size.width,
                 AVVideoHeightKey : UIScreen.main.bounds.size.height
             ];
 
-            videoInput  = AVAssetWriterInput (mediaType: video as String, outputSettings: videoOutputSettings)
+            videoInput  = AVAssetWriterInput (mediaType: AVMediaTypeVideo as String, outputSettings: videoOutputSettings)
             videoInput.expectsMediaDataInRealTime = true
             assetWriter.add(videoInput)