Added keys to Info.plist that make the Documents directory of this app visible to the new iOS 11 Files app and to other apps on the device.

Author: iosbrain

iOS File Management.xcodeproj/project.pbxproj

@@ -100,6 +100,11 @@
 					BC925FDC2088EFEF00E52984 = {
 						CreatedOnToolsVersion = 9.2;
 						ProvisioningStyle = Automatic;
+						SystemCapabilities = {
+							com.apple.BackgroundModes = {
+								enabled = 1;
+							};
+						};
 					};
 				};
 			};
@@ -282,7 +287,7 @@
 				DEVELOPMENT_TEAM = "";
 				INFOPLIST_FILE = "iOS File Management/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
-				PRODUCT_BUNDLE_IDENTIFIER = "com.yourDomain.iOS-File-Management";
+				PRODUCT_BUNDLE_IDENTIFIER = "us.microit.iOS-File-Management";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_VERSION = 4.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
@@ -297,7 +302,7 @@
 				DEVELOPMENT_TEAM = "";
 				INFOPLIST_FILE = "iOS File Management/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
-				PRODUCT_BUNDLE_IDENTIFIER = "com.yourDomain.iOS-File-Management";
+				PRODUCT_BUNDLE_IDENTIFIER = "us.microit.iOS-File-Management";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_VERSION = 4.0;
 				TARGETED_DEVICE_FAMILY = "1,2";

iOS File Management/FileSystemManager.swift

@@ -272,6 +272,11 @@ struct AppFile : AppFileManipulation, AppFileStatusChecking, AppFileSystemMetaDa
     {
         self.fileName = fileName
     }
+    
+    init()
+    {
+        fileName = "N/A"
+    }
 
     func moveToDocuments()
     {
@@ -285,8 +290,9 @@ struct AppFile : AppFileManipulation, AppFileStatusChecking, AppFileSystemMetaDa
 
     func write() -> Bool
     {
-        writeFile(containing: "We were talking\nAbout the space\nBetween us all", to: .Documents, withName: "karma.txt")
-        writeFile(containing: "And the people\nWho hide themselves\nBehind a wall", to: .Documents, withName: "dharma.txt")
+        _ = writeFile(containing: "This file was written on 5/23/18.\n\nThis file should show up in the Files app.", to: .Documents, withName: "myFileApp.txt")
+        //writeFile(containing: "We were talking\nAbout the space\nBetween us all", to: .Documents, withName: "karma.txt")
+        // writeFile(containing: "And the people\nWho hide themselves\nBehind a wall", to: .Documents, withName: "dharma.txt")
         return true
     }
 

iOS File Management/Info.plist

@@ -20,6 +20,12 @@
 	<string>1</string>
 	<key>LSRequiresIPhoneOS</key>
 	<true/>
+	<key>UIBackgroundModes</key>
+	<array/>
+	<key>UIFileSharingEnabled</key>
+	<true/>
+	<key>LSSupportsOpeningDocumentsInPlace</key>
+	<true/>
 	<key>UILaunchStoryboardName</key>
 	<string>LaunchScreen</string>
 	<key>UIMainStoryboardFile</key>

iOS File Management/ViewController.swift

@@ -24,7 +24,7 @@ class ViewController: UIViewController {
         super.viewDidLoad()
         // Do any additional setup after loading the view, typically from a nib.
 
-        let file = AppFile(fileName: "iOS file management in Swift 4.txt")
+        //let file = AppFile(fileName: "iOS file management in Swift 4.txt")
         //file.write()
         //file.deleteTempFile()
         //file.rename()
@@ -33,12 +33,17 @@ class ViewController: UIViewController {
         //file.write()
         //let exists = file.doesExist()
         //print("karma.txt: \(exists)")
-        file.getAttribs()
+        //file.getAttribs()
         //file.changeExtension()
         //file.move()
         //file.delete()
-        print()
-        file.list()
+        //print()
+        //DispatchQueue.main.asyncAfter(deadline: .now() + 60.0) {
+            let file = AppFile()
+            _ = file.writeFile(containing: "This file was written for my tutorial on the iOS 11 Files app.\n\nThe text file was written to this app\'s Documents folder.", to: .Documents, withName: "textFile1.txt")
+            _ = file.list()
+            print("file written...")
+        //}
         //print()
         //print(file.getURL(for: .Temp))
     }