first commit

ios/Classes/CustomSocialSharePlugin.swift

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+import Flutter
+import UIKit
+
+public class CustomSocialSharePlugin: NSObject, FlutterPlugin {
+    public static func register(with registrar: FlutterPluginRegistrar) {
+        let channel = FlutterMethodChannel(name: "custom_social_share", binaryMessenger: registrar.messenger())
+        let instance = CustomSocialSharePlugin()
+        registrar.addMethodCallDelegate(instance, channel: channel)
+    }
+
+    public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
+        let content: String
+        if call.arguments == nil {
+            content = ""
+        } else {
+            content = (call.arguments as! [String: Any])["content"] as? String ?? ""
+        }
+
+        switch call.method {
+
+        case "sms":
+            let urlSchema = "sms:?&body=\(content)"
+            launchURL(hookUrl: urlSchema, result: result)
+            break
+
+        case "email":
+            let urlSchema = "mailto:?&body=\(content)"
+            launchURL(hookUrl: urlSchema, result: result)
+            break
+
+        case "toAll":
+            let textShare = [ content ]
+            let activityViewController = UIActivityViewController(activityItems: textShare , applicationActivities: nil)
+
+            let controller = UIApplication.shared.keyWindow?.rootViewController
+            activityViewController.popoverPresentationController?.sourceView = controller?.view
+
+            controller?.present(activityViewController, animated: true)
+
+            break
+
+        case "getInstalledApps":
+
+            var installedApps: [String: Bool] = [:]
+
+            installedApps["sms"] = canOpenApp(appName: "sms")
+            installedApps["email"] = canOpenApp(appName: "mailto")
+
+            installedApps["facebook"] = canOpenApp(appName: "fb")
+            installedApps["facebookMessenger"] = canOpenApp(appName: "fb-messenger")
+            installedApps["instagram"] = canOpenApp(appName: "instagram")
+            installedApps["line"] = canOpenApp(appName: "line")
+            installedApps["linkedin"] = canOpenApp(appName: "linkedin")
+            installedApps["reddit"] = canOpenApp(appName: "reddit")
+            installedApps["skype"] = canOpenApp(appName: "skype")
+            installedApps["slack"] = canOpenApp(appName: "slack")
+            installedApps["snapchat"] = canOpenApp(appName: "snapchat")
+            installedApps["telegram"] = canOpenApp(appName: "tg")
+            installedApps["x"] = canOpenApp(appName: "twitter")
+            installedApps["viber"] = canOpenApp(appName: "viber")
+            installedApps["wechat"] = canOpenApp(appName: "weixin")
+            installedApps["whatsapp"] = canOpenApp(appName: "whatsapp")
+            installedApps["threads"] = canOpenApp(appName: "threads")
+
+            result(installedApps)
+
+            break
+
+        case "facebook":
+            let urlSchema = "fb://text=\(content)"
+            launchURL(hookUrl: urlSchema, result: result)
+            break
+
+        case "facebookMessenger":
+            let urlSchema = "fb-messenger://text=\(content)"
+            launchURL(hookUrl: urlSchema, result: result)
+            break
+
+        case "instagram":
+            let urlSchema = "instagram://text=\(content)"
+            launchURL(hookUrl: urlSchema, result: result)
+            break
+
+        case "line":
+            let urlSchema = "https://line.me/R/msg/text/?\(content)"
+            launchURL(hookUrl: urlSchema, result: result)
+            break
+
+        case "linkedin":
+            let urlSchema = "linkedin://text=\(content)"
+            launchURL(hookUrl: urlSchema, result: result)
+            break
+
+        case "reddit":
+            let urlSchema = "reddit://text=\(content)"
+            launchURL(hookUrl: urlSchema, result: result)
+            break
+
+        case "skype":
+            let urlSchema = "skype:?chat&topic=\(content)"
+            launchURL(hookUrl: urlSchema, result: result)
+            break
+
+        case "slack":
+            let urlSchema = "slack://text=\(content)"
+            launchURL(hookUrl: urlSchema, result: result)
+            break
+
+        case "snapchat":
+            let urlSchema = "snapchat://text=\(content)"
+            launchURL(hookUrl: urlSchema, result: result)
+            break
+
+        case "telegram":
+            let urlSchema = "tg://msg?text=\(content)"
+            launchURL(hookUrl: urlSchema, result: result)
+            break
+
+        case "x":
+            let urlSchema = "https://twitter.com/intent/tweet?text=\(content)"
+            launchURL(hookUrl: urlSchema, result: result)
+            break
+
+        case "viber":
+            let urlSchema = "viber://forward?text=\(content)"
+            launchURL(hookUrl: urlSchema, result: result)
+            break
+
+        case "wechat":
+            let urlSchema = "weixin://dl/posts?text=\(content)"
+            launchURL(hookUrl: urlSchema, result: result)
+            break
+
+        case "whatsapp":
+            let urlSchema = "whatsapp://send?text=\(content)"
+            launchURL(hookUrl: urlSchema, result: result)
+            break
+
+        case "threads":
+            let urlSchema = "threads://text=\(content)"
+            launchURL(hookUrl: urlSchema, result: result)
+            break
+
+        default:
+            result(FlutterMethodNotImplemented)
+        }
+    }
+
+    func launchURL(hookUrl: String, result: @escaping FlutterResult) {
+        if let urlString = hookUrl.addingPercentEncoding(withAllowedCharacters: NSCharacterSet.urlQueryAllowed) {
+            if let url = NSURL(string: urlString) {
+                if UIApplication.shared.canOpenURL(url as URL) {
+                    UIApplication.shared.open(url as URL, options: [:], completionHandler: nil)
+                    result(NSNumber(value: true))
+                } else {
+                    result(NSNumber(value: false))
+                }
+            }
+        }
+    }
+
+    func canOpenApp(appName: String) -> Bool {
+        let appScheme = "\(appName)://app"
+        let appUrl = URL(string: appScheme)
+        return UIApplication.shared.canOpenURL(appUrl! as URL)
+    }
+}