Hook up URL handling for about page

Signed-off-by: Aayush Gupta <aayushgupta219@gmail.com>

composeApp/build.gradle.kts

@@ -95,6 +95,8 @@ kotlin {
             implementation(libs.russhwolf.settings)
 
             implementation(libs.about.libraries.compose.m3)
+
+            implementation(libs.touchlab.kermit)
         }
         commonTest.dependencies {
             implementation(libs.kotlin.test.core)
@@ -104,6 +106,7 @@ kotlin {
             implementation(libs.jetbrains.compose.preview)
             implementation(libs.androidx.activity)
             implementation(libs.androidx.preference)
+            implementation(libs.androidx.browser)
         }
         val androidDeviceTest by getting {
             dependencies {

composeApp/src/androidMain/kotlin/net/newpipe/app/platform/AndroidShareHandler.kt

@@ -0,0 +1,36 @@
+/*
+ * SPDX-FileCopyrightText: 2026 NewPipe e.V. <https://newpipe-ev.de>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package net.newpipe.app.platform
+
+import android.content.Context
+import android.content.Intent
+import androidx.browser.customtabs.CustomTabsIntent
+import androidx.core.net.toUri
+import co.touchlab.kermit.Logger
+import org.koin.core.annotation.Singleton
+
+/**
+ * Handles sharing of data and information on Android
+ * @property context Context on Android, injected automatically by Koin
+ */
+@Singleton(binds = [ShareHandler::class])
+class AndroidShareHandler(private val context: Context) : ShareHandler {
+
+    override fun openUrlInBrowser(url: String) {
+        try {
+            CustomTabsIntent.Builder()
+                .build()
+                .also { customIntent ->
+                    customIntent.intent.addFlags(
+                        Intent.FLAG_ACTIVITY_NEW_TASK
+                    )
+                }
+                .launchUrl(context, url.toUri())
+        } catch (exception: Exception) {
+            Logger.e(messageString = "Failed to share URL", throwable = exception)
+        }
+    }
+}

composeApp/src/commonMain/kotlin/net/newpipe/app/platform/PlatformModule.kt

@@ -0,0 +1,20 @@
+/*
+ * SPDX-FileCopyrightText: 2026 NewPipe e.V. <https://newpipe-ev.de>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package net.newpipe.app.platform
+
+import org.koin.core.annotation.ComponentScan
+import org.koin.core.annotation.Configuration
+import org.koin.core.annotation.Module
+
+/**
+ * Module to access various common implementations that are dependent upon platform.
+ * See individual interfaces in this package and their implementations on platform packages
+ * for the declarations included in this module.
+ */
+@Module
+@ComponentScan
+@Configuration
+object PlatformModule

composeApp/src/commonMain/kotlin/net/newpipe/app/platform/ShareHandler.kt

@@ -0,0 +1,14 @@
+/*
+ * SPDX-FileCopyrightText: 2026 NewPipe e.V. <https://newpipe-ev.de>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package net.newpipe.app.platform
+
+/**
+ * Helper methods related to sharing of data and information
+ * See individual platform classes for real implementation.
+ */
+interface ShareHandler {
+    fun openUrlInBrowser(url: String)
+}

composeApp/src/commonMain/kotlin/net/newpipe/app/screen/about/AboutPage.kt

@@ -93,7 +93,10 @@ private val DEFAULT_LINKS = listOf(
 )
 
 @Composable
-fun AboutPage(links: List<Link> = DEFAULT_LINKS) {
+fun AboutPage(
+    links: List<Link> = DEFAULT_LINKS,
+    onOpenUrl: (url: String) -> Unit = {}
+) {
     LazyColumn(
         modifier = Modifier.fillMaxWidth(),
         contentPadding = PaddingValues(spaceNormal),
@@ -137,7 +140,8 @@ fun AboutPage(links: List<Link> = DEFAULT_LINKS) {
         // Links about NewPipe
         items(items = links, key = { link -> link.url }) { link ->
             LinkListItem(
-                link = link
+                link = link,
+                onAction = { onOpenUrl(link.url) }
             )
         }
     }

composeApp/src/commonMain/kotlin/net/newpipe/app/screen/about/AboutScreen.kt

@@ -24,23 +24,30 @@ import androidx.compose.ui.tooling.preview.PreviewWrapper
 import androidx.compose.ui.util.fastForEachIndexed
 import kotlinx.coroutines.launch
 import net.newpipe.app.composable.TopAppBar
+import net.newpipe.app.platform.ShareHandler
 import net.newpipe.app.preview.ThemePreviewProvider
 import org.jetbrains.compose.resources.stringResource
 import net.newpipe.app.screen.about.navigation.Page
 import newpipe.composeapp.generated.resources.Res
 import newpipe.composeapp.generated.resources.title_activity_about
+import org.koin.compose.koinInject
 
 @Composable
-fun AboutScreen(onNavigateUp: () -> Unit) {
+fun AboutScreen(
+    onNavigateUp: () -> Unit,
+    shareHandler: ShareHandler = koinInject()
+) {
     ScreenContent(
-        onNavigateUp = onNavigateUp
+        onNavigateUp = onNavigateUp,
+        onOpenUrl = { url -> shareHandler.openUrlInBrowser(url) }
     )
 }
 
 @Composable
 private fun ScreenContent(
     pages: List<Page> = listOf(Page.ABOUT, Page.LICENSE),
-    onNavigateUp: () -> Unit = {}
+    onNavigateUp: () -> Unit = {},
+    onOpenUrl: (url: String) -> Unit = {}
 ) {
     Scaffold(
         topBar = {
@@ -78,7 +85,7 @@ private fun ScreenContent(
 
             HorizontalPager(state = pagerState, modifier = Modifier.fillMaxSize()) { page ->
                 when (pages[page]) {
-                    Page.ABOUT -> AboutPage()
+                    Page.ABOUT -> AboutPage(onOpenUrl = onOpenUrl)
                     Page.LICENSE -> LicensePage()
                 }
             }

composeApp/src/iosMain/kotlin/net/newpipe/app/platform/IosShareHandler.kt

@@ -0,0 +1,30 @@
+/*
+ * SPDX-FileCopyrightText: 2026 NewPipe e.V. <https://newpipe-ev.de>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package net.newpipe.app.platform
+
+import co.touchlab.kermit.Logger
+import org.koin.core.annotation.Singleton
+import platform.Foundation.NSURL
+import platform.SafariServices.SFSafariViewController
+import platform.UIKit.UIApplication
+
+/**
+ * Handles sharing of data and information on iOS
+ */
+@Singleton(binds = [ShareHandler::class])
+class IosShareHandler : ShareHandler {
+
+    override fun openUrlInBrowser(url: String) {
+        val nsUrl = NSURL.URLWithString(url)
+        if (nsUrl == null) {
+            Logger.e(messageString = "Unable to open malformatted URL, bailing out!")
+        } else {
+            val safariVC = SFSafariViewController(uRL = nsUrl)
+            val rootVC = UIApplication.sharedApplication.keyWindow?.rootViewController
+            rootVC?.presentViewController(safariVC, animated = true, completion = null)
+        }
+    }
+}

composeApp/src/jvmMain/kotlin/net/newpipe/app/platform/JvmShareHandler.kt

@@ -0,0 +1,28 @@
+/*
+ * SPDX-FileCopyrightText: 2026 NewPipe e.V. <https://newpipe-ev.de>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package net.newpipe.app.platform
+
+import co.touchlab.kermit.Logger
+import org.koin.core.annotation.ComponentScan
+import org.koin.core.annotation.Configuration
+import org.koin.core.annotation.Module
+import org.koin.core.annotation.Singleton
+import java.awt.Desktop
+import java.net.URI
+
+/**
+ * Handles sharing of data and information on JVM
+ */
+@Singleton(binds = [ShareHandler::class])
+class JvmShareHandler : ShareHandler {
+
+    override fun openUrlInBrowser(url: String) {
+        when {
+            Desktop.isDesktopSupported() -> Desktop.getDesktop().browse(URI(url))
+            else -> Logger.e(messageString = "Unsupported platform! Cannot open URL in browser")
+        }
+    }
+}