feat(YouTube): Add Change start page patch

api/revanced-patches.api

@@ -521,6 +521,10 @@ public final class app/revanced/patches/serviceportalbund/detection/root/RootDet
 	public synthetic fun execute (Lapp/revanced/patcher/data/Context;)V
 }
 
+public final class app/revanced/patches/shared/fingerprints/HomeActivityFingerprint : app/revanced/patches/shared/integrations/AbstractIntegrationsPatch$IntegrationsFingerprint {
+	public static final field INSTANCE Lapp/revanced/patches/shared/fingerprints/HomeActivityFingerprint;
+}
+
 public abstract class app/revanced/patches/shared/integrations/AbstractIntegrationsPatch : app/revanced/patcher/patch/BytecodePatch {
 	public fun <init> (Ljava/lang/String;Ljava/util/Set;)V
 	public fun execute (Lapp/revanced/patcher/data/BytecodeContext;)V
@@ -1338,6 +1342,16 @@ public final class app/revanced/patches/youtube/layout/spoofappversion/SpoofAppV
 	public synthetic fun execute (Lapp/revanced/patcher/data/Context;)V
 }
 
+public final class app/revanced/patches/youtube/layout/startpage/ChangeStartPagePatch : app/revanced/patcher/patch/BytecodePatch {
+	public static final field INSTANCE Lapp/revanced/patches/youtube/layout/startpage/ChangeStartPagePatch;
+	public fun execute (Lapp/revanced/patcher/data/BytecodeContext;)V
+	public synthetic fun execute (Lapp/revanced/patcher/data/Context;)V
+}
+
+public final class app/revanced/patches/youtube/layout/startpage/fingerprints/StartActivityFingerprint : app/revanced/patcher/fingerprint/MethodFingerprint {
+	public static final field INSTANCE Lapp/revanced/patches/youtube/layout/startpage/fingerprints/StartActivityFingerprint;
+}
+
 public final class app/revanced/patches/youtube/layout/startupshortsreset/DisableResumingShortsOnStartupPatch : app/revanced/patcher/patch/BytecodePatch {
 	public static final field INSTANCE Lapp/revanced/patches/youtube/layout/startupshortsreset/DisableResumingShortsOnStartupPatch;
 	public fun execute (Lapp/revanced/patcher/data/BytecodeContext;)V
@@ -1423,10 +1437,6 @@ public final class app/revanced/patches/youtube/misc/gms/GmsCoreSupportResourceP
 	public fun execute (Lapp/revanced/patcher/data/ResourceContext;)V
 }
 
-public final class app/revanced/patches/youtube/misc/gms/fingerprints/HomeActivityFingerprint : app/revanced/patches/shared/integrations/AbstractIntegrationsPatch$IntegrationsFingerprint {
-	public static final field INSTANCE Lapp/revanced/patches/youtube/misc/gms/fingerprints/HomeActivityFingerprint;
-}
-
 public final class app/revanced/patches/youtube/misc/integrations/IntegrationsPatch : app/revanced/patches/shared/integrations/AbstractIntegrationsPatch {
 	public static final field INSTANCE Lapp/revanced/patches/youtube/misc/integrations/IntegrationsPatch;
 }

src/main/kotlin/app/revanced/patches/shared/fingerprints/HomeActivityFingerprint.kt

@@ -1,4 +1,4 @@
-package app.revanced.patches.youtube.misc.gms.fingerprints
+package app.revanced.patches.shared.fingerprints
 
 import app.revanced.patches.shared.integrations.AbstractIntegrationsPatch.IntegrationsFingerprint
 

src/main/kotlin/app/revanced/patches/youtube/layout/startpage/ChangeStartPagePatch.kt

@@ -0,0 +1,78 @@
+package app.revanced.patches.youtube.layout.startpage
+
+import app.revanced.patcher.data.BytecodeContext
+import app.revanced.patcher.extensions.InstructionExtensions.addInstruction
+import app.revanced.patcher.patch.BytecodePatch
+import app.revanced.patcher.patch.annotation.CompatiblePackage
+import app.revanced.patcher.patch.annotation.Patch
+import app.revanced.patches.shared.fingerprints.HomeActivityFingerprint
+import app.revanced.patches.shared.settings.preference.impl.ArrayResource
+import app.revanced.patches.shared.settings.preference.impl.ListPreference
+import app.revanced.patches.shared.settings.preference.impl.StringResource
+import app.revanced.patches.youtube.layout.startpage.fingerprints.StartActivityFingerprint
+import app.revanced.patches.youtube.misc.integrations.IntegrationsPatch
+import app.revanced.patches.youtube.misc.settings.SettingsPatch
+import app.revanced.util.exception
+
+@Patch(
+    name = "Change start page",
+    description = "Changes the start page of the app.",
+    dependencies = [IntegrationsPatch::class, SettingsPatch::class],
+    compatiblePackages = [
+        CompatiblePackage(
+            "com.google.android.youtube"
+        )
+    ]
+)
+@Suppress("unused")
+object ChangeStartPagePatch : BytecodePatch(
+    setOf(HomeActivityFingerprint)
+) {
+    private const val INTEGRATIONS_CLASS_DESCRIPTOR =
+        "Lapp/revanced/integrations/patches/ChangeStartPagePatch;"
+
+    override fun execute(context: BytecodeContext) {
+        SettingsPatch.PreferenceScreen.LAYOUT.addPreferences(
+            ListPreference(
+                "revanced_start_page",
+                StringResource(
+                    "revanced_start_page_title",
+                    "Set start page"
+                ),
+                ArrayResource(
+                    "revanced_start_page_entries",
+                    listOf(
+                        StringResource("revanced_start_page_home_entry_0", "Default"),
+                        StringResource("revanced_start_page_home_entry_1", "Home"),
+                        StringResource("revanced_start_page_search_entry_2", "Search"),
+                        StringResource("revanced_start_page_subscriptions_entry_3", "Subscriptions"),
+                        StringResource("revanced_start_page_explore_entry_4", "Explore"),
+                        StringResource("revanced_start_page_shorts_entry_5", "Shorts"),
+                    )
+                ),
+                ArrayResource(
+                    "revanced_start_page_values",
+                    listOf(
+                        StringResource("revanced_start_page_home_value_0", ""),
+                        StringResource("revanced_start_page_home_value_1", "MAIN"),
+                        StringResource("revanced_start_page_search_value_2", "open.search"),
+                        StringResource("revanced_start_page_subscriptions_value_3", "open.subscriptions"),
+                        StringResource("revanced_start_page_explore_value_4", "open.explore"),
+                        StringResource("revanced_start_page_shorts_value_5", "open.shorts"),
+                    )
+                ),
+                default = ""
+            )
+        )
+
+        StartActivityFingerprint.resolve(
+            context,
+            HomeActivityFingerprint.result?.classDef ?: throw HomeActivityFingerprint.exception
+        )
+
+        StartActivityFingerprint.result?.mutableMethod?.addInstruction(
+            0,
+            "invoke-static { p1 }, $INTEGRATIONS_CLASS_DESCRIPTOR->changeIntent(Landroid/content/Intent;)V"
+        ) ?: throw StartActivityFingerprint.exception
+    }
+}

src/main/kotlin/app/revanced/patches/youtube/layout/startpage/fingerprints/StartActivityFingerprint.kt

@@ -0,0 +1,7 @@
+package app.revanced.patches.youtube.layout.startpage.fingerprints
+
+import app.revanced.patcher.fingerprint.MethodFingerprint
+
+object StartActivityFingerprint : MethodFingerprint(
+    parameters = listOf("Landroid/content/Intent;"),
+)

src/main/kotlin/app/revanced/patches/youtube/misc/gms/GmsCoreSupportPatch.kt

@@ -2,6 +2,7 @@ package app.revanced.patches.youtube.misc.gms
 
 import app.revanced.patcher.data.BytecodeContext
 import app.revanced.patcher.extensions.InstructionExtensions.addInstruction
+import app.revanced.patches.shared.fingerprints.HomeActivityFingerprint
 import app.revanced.patches.shared.misc.gms.AbstractGmsCoreSupportPatch
 import app.revanced.patches.youtube.layout.buttons.cast.HideCastButtonPatch
 import app.revanced.patches.youtube.misc.fix.playback.ClientSpoofPatch