refactor(YouTube Music - Custom branding): Resolve startup app crash when patching unsupported newer app versions

Author: LisoUseInAIKyrios

extensions/shared/library/src/main/java/app/revanced/extension/shared/patches/CustomBrandingPatch.java

@@ -5,6 +5,7 @@
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.graphics.Color;
+import android.view.View;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -71,6 +72,17 @@ private String packageAndNameIndexToClassAlias(String packageName, int appIndex)
         }
     }
 
+    /**
+     * Injection point.
+     */
+    public static View getLottieViewOrNull(View lottieStartupView) {
+        if (BaseSettings.CUSTOM_BRANDING_ICON.get() == BrandingTheme.ORIGINAL) {
+            return lottieStartupView;
+        }
+
+        return null;
+    }
+
     /**
      * Injection point.
      */

patches/src/main/kotlin/app/revanced/patches/music/layout/branding/CustomBrandingPatch.kt

@@ -1,24 +1,24 @@
 package app.revanced.patches.music.layout.branding
 
-import app.revanced.patcher.extensions.InstructionExtensions.addInstructionsWithLabels
+import app.revanced.patcher.extensions.InstructionExtensions.addInstructions
 import app.revanced.patcher.extensions.InstructionExtensions.getInstruction
 import app.revanced.patcher.patch.bytecodePatch
-import app.revanced.patcher.util.smali.ExternalLabel
 import app.revanced.patches.music.misc.extension.sharedExtensionPatch
 import app.revanced.patches.music.misc.gms.Constants.MUSIC_MAIN_ACTIVITY_NAME
 import app.revanced.patches.music.misc.gms.Constants.MUSIC_PACKAGE_NAME
 import app.revanced.patches.music.misc.gms.musicActivityOnCreateFingerprint
 import app.revanced.patches.music.misc.settings.PreferenceScreen
+import app.revanced.patches.shared.layout.branding.EXTENSION_CLASS_DESCRIPTOR
 import app.revanced.patches.shared.layout.branding.baseCustomBrandingPatch
 import app.revanced.patches.shared.misc.mapping.get
 import app.revanced.patches.shared.misc.mapping.resourceMappingPatch
 import app.revanced.patches.shared.misc.mapping.resourceMappings
 import app.revanced.util.getReference
 import app.revanced.util.indexOfFirstInstructionOrThrow
-import app.revanced.util.indexOfFirstInstructionReversed
 import app.revanced.util.indexOfFirstLiteralInstructionOrThrow
 import com.android.tools.smali.dexlib2.Opcode
-import com.android.tools.smali.dexlib2.iface.reference.MethodReference
+import com.android.tools.smali.dexlib2.iface.instruction.OneRegisterInstruction
+import com.android.tools.smali.dexlib2.iface.reference.TypeReference
 
 private val disableSplashAnimationPatch = bytecodePatch {
 
@@ -33,23 +33,22 @@ private val disableSplashAnimationPatch = bytecodePatch {
         // but the animation is not always the same size as the launch screen and it's still
         // barely shown. Instead turn off the animation entirely (app will also launch a little faster).
         cairoSplashAnimationConfigFingerprint.method.apply {
-            val mainActivityLaunchAnimation = resourceMappings["layout", "main_activity_launch_animation"]
             val literalIndex = indexOfFirstLiteralInstructionOrThrow(
-                mainActivityLaunchAnimation
+                resourceMappings["layout", "main_activity_launch_animation"]
             )
-            val insertIndex = indexOfFirstInstructionReversed(literalIndex) {
-                this.opcode == Opcode.INVOKE_VIRTUAL &&
-                        getReference<MethodReference>()?.name == "setContentView"
-            } + 1
-            val jumpIndex = indexOfFirstInstructionOrThrow(insertIndex) {
-                opcode == Opcode.INVOKE_VIRTUAL &&
-                        getReference<MethodReference>()?.parameterTypes?.firstOrNull() == "Ljava/lang/Runnable;"
-            } + 1
+            val checkCastIndex = indexOfFirstInstructionOrThrow(literalIndex) {
+                opcode == Opcode.CHECK_CAST &&
+                        getReference<TypeReference>()?.type == "Lcom/airbnb/lottie/LottieAnimationView;"
+            }
+            val register = getInstruction<OneRegisterInstruction>(checkCastIndex).registerA
 
-            addInstructionsWithLabels(
-                insertIndex,
-                "goto :skip_animation",
-                ExternalLabel("skip_animation", getInstruction(jumpIndex))
+            // If using a custom icon then set the lottie animation view to null to bypasses the startup animation.
+            addInstructions(
+                checkCastIndex,
+                """
+                    invoke-static { v$register }, $EXTENSION_CLASS_DESCRIPTOR->getLottieViewOrNull(Landroid/view/View;)Landroid/view/View;
+                    move-result-object v$register
+                """
             )
         }
     }