Add Fragment support to AndroidTarget and update imports in MainActivity and Runnable

Author: colemancda

Sources/AndroidSwiftUI/AndroidTarget.swift

@@ -11,8 +11,9 @@ import AndroidKit
 final class AndroidTarget: Target {
 
     enum Storage {
-        case application
+        case application // main activity
         case view(AndroidView.View)
+        case fragment(AndroidApp.Fragment)
     }
 
     let storage: Storage
@@ -29,6 +30,11 @@ final class AndroidTarget: Target {
         self.view = AnyView(view)
     }
 
+    init<V: View>(_ view: V, _ object: AndroidApp.Fragment) {
+        self.storage = .fragment(object)
+        self.view = AnyView(view)
+    }
+    
     static var application: AndroidTarget {
         .init(EmptyView(), .application)
     }
@@ -42,6 +48,8 @@ extension AndroidTarget {
             break
         case let .view(view):
             break // TODO: Remove from parent
+        case let .fragment(fragment):
+            break // TODO:
         }
     }
 }

Sources/AndroidSwiftUI/Fragment.swift

@@ -0,0 +1,86 @@
+//
+//  Fragment.swift
+//  SwiftAndroidApp
+//
+//  Created by Alsey Coleman Miller on 6/22/25.
+//
+
+import AndroidKit
+
+@JavaClass("com.pureswift.swiftandroid.Fragment")
+open class Fragment: AndroidApp.Fragment {
+    
+    @JavaMethod
+    @_nonoverride public convenience init(swiftObject: SwiftObject?, environment: JNIEnvironment? = nil)
+    
+    @JavaMethod
+    public func getSwiftObject() -> SwiftObject?
+}
+
+public extension Fragment {
+    
+    struct Callback {
+        
+        var onViewCreated: ((AndroidView.View, AndroidOS.Bundle?) -> ())?
+    }
+}
+
+@JavaImplementation("com.pureswift.swiftandroid.Fragment")
+extension Fragment {
+    
+    @JavaMethod
+    func onViewCreated(
+        view: AndroidView.View?,
+        savedInstanceState: AndroidOS.Bundle?
+    ) {
+        log("\(self).\(#function)")
+        guard let onViewCreated = callback.onViewCreated else {
+            return
+        }
+        guard let view else {
+            assertionFailure("Missing view")
+            return
+        }
+        onViewCreated(view, savedInstanceState)
+    }
+}
+
+public extension Fragment {
+    
+    convenience init(callback: Callback, environment: JNIEnvironment? = nil) {
+        let object = SwiftObject(callback, environment: environment)
+        self.init(swiftObject: object, environment: environment)
+    }
+        
+    var callback: Callback {
+        getSwiftObject()!.valueObject().value as! Callback
+    }
+}
+
+extension Fragment {
+    
+    static var logTag: LogTag { "Fragment" }
+    
+    static func log(_ string: String) {
+        try? AndroidLogger(tag: logTag, priority: .debug)
+            .log(string)
+    }
+    
+    static func logInfo(_ string: String) {
+        try? AndroidLogger(tag: logTag, priority: .info)
+            .log(string)
+    }
+    
+    static func logError(_ string: String) {
+        try? AndroidLogger(tag: logTag, priority: .error)
+            .log(string)
+    }
+    
+    func log(_ string: String) {
+        Self.log(string)
+    }
+    
+    func logError(_ string: String) {
+        Self.logError(string)
+    }
+}

Sources/AndroidSwiftUI/MainActivity.swift

@@ -7,7 +7,7 @@
 
 import Foundation
 import AndroidKit
-import AndroidJavaLang
+import JavaLang
 
 @JavaClass("com.pureswift.swiftandroid.MainActivity")
 open class MainActivity: AndroidApp.Activity {

Sources/AndroidSwiftUI/Runnable.swift

@@ -8,7 +8,7 @@
 import JavaKit
 import JavaRuntime
 import AndroidKit
-import AndroidJavaLang
+import JavaLang
 /*
 @JavaClass("com.pureswift.swiftandroid.Runnable", extends: AndroidJavaLang.Runnable.self)
 open class Runnable: JavaObject {