add hide-new-playlist patch https://github.com/inotia00/ReVanced_Extended/issues/185

src/main/kotlin/app/revanced/patches/music/layout/floatingbutton/fingerprints/FloatingButtonFingerprint.kt

@@ -0,0 +1,30 @@
+package app.revanced.patches.music.layout.floatingbutton.fingerprints
+
+import app.revanced.patcher.extensions.or
+import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
+import app.revanced.patches.music.misc.resourceid.patch.SharedResourceIdPatch
+import org.jf.dexlib2.iface.instruction.WideLiteralInstruction
+import org.jf.dexlib2.AccessFlags
+import org.jf.dexlib2.Opcode
+
+object FloatingButtonFingerprint : MethodFingerprint(
+    returnType = "V",
+    access = AccessFlags.PRIVATE or AccessFlags.FINAL,
+    parameters = listOf("L"),
+    opcodes = listOf(
+        Opcode.CONST,
+        Opcode.INVOKE_VIRTUAL,
+        Opcode.MOVE_RESULT_OBJECT,
+        Opcode.MOVE_OBJECT,
+        Opcode.CHECK_CAST,
+        Opcode.CONST_4,
+        Opcode.INVOKE_VIRTUAL
+    ),
+    customFingerprint = { methodDef ->
+        methodDef.implementation?.instructions?.any {
+            it.opcode.ordinal == Opcode.CONST.ordinal &&
+            (it as? WideLiteralInstruction)?.wideLiteral == SharedResourceIdPatch.floatingActionButtonLabelId
+        } == true
+    }
+)
+

src/main/kotlin/app/revanced/patches/music/layout/floatingbutton/patch/NewPlaylistButtonPatch.kt

@@ -0,0 +1,63 @@
+package app.revanced.patches.music.layout.floatingbutton.patch
+
+import app.revanced.extensions.toErrorResult
+import app.revanced.patcher.annotation.Description
+import app.revanced.patcher.annotation.Name
+import app.revanced.patcher.annotation.Version
+import app.revanced.patcher.data.BytecodeContext
+import app.revanced.patcher.extensions.addInstructions
+import app.revanced.patcher.extensions.instruction
+import app.revanced.patcher.patch.BytecodePatch
+import app.revanced.patcher.patch.PatchResult
+import app.revanced.patcher.patch.PatchResultSuccess
+import app.revanced.patcher.patch.annotations.DependsOn
+import app.revanced.patcher.patch.annotations.Patch
+import app.revanced.patcher.util.smali.ExternalLabel
+import app.revanced.patches.music.layout.floatingbutton.fingerprints.FloatingButtonFingerprint
+import app.revanced.patches.music.misc.resourceid.patch.SharedResourceIdPatch
+import app.revanced.patches.music.misc.settings.patch.MusicSettingsPatch
+import app.revanced.patches.shared.annotation.YouTubeMusicCompatibility
+import app.revanced.util.integrations.Constants.MUSIC_SETTINGS_PATH
+import org.jf.dexlib2.iface.instruction.formats.Instruction35c
+
+@Patch
+@Name("hide-new-playlist")
+@Description("Hide the New Playlist button in the Library tab.")
+@DependsOn(
+    [
+        MusicSettingsPatch::class,
+        SharedResourceIdPatch::class
+    ]
+)
+@YouTubeMusicCompatibility
+@Version("0.0.1")
+class NewPlaylistButtonPatch : BytecodePatch(
+    listOf(
+        FloatingButtonFingerprint
+    )
+) {
+    override fun execute(context: BytecodeContext): PatchResult {
+
+        FloatingButtonFingerprint.result?.let {
+            with (it.mutableMethod) {
+                val targetIndex = it.scanResult.patternScanResult!!.endIndex
+
+                val targetRegister = (instruction(targetIndex) as Instruction35c).registerC
+                val dummyRegister = (instruction(targetIndex) as Instruction35c).registerD
+
+                addInstructions(
+                    targetIndex + 1, """
+                        invoke-static {}, $MUSIC_SETTINGS_PATH->hideNewPlaylistButton()Z
+                        move-result v$dummyRegister
+                        if-eqz v$dummyRegister, :show
+                        const/4 v$targetRegister, 0x0
+                        """, listOf(ExternalLabel("show", instruction(targetIndex + 1)))
+                )
+            }
+        } ?: return FloatingButtonFingerprint.toErrorResult()
+
+        MusicSettingsPatch.addMusicPreference("navigation", "revanced_hide_new_playlist_button", "false")
+
+        return PatchResultSuccess()
+    }
+}

src/main/kotlin/app/revanced/patches/music/misc/resourceid/patch/SharedResourceIdPatch.kt

@@ -19,6 +19,7 @@ class SharedResourceIdPatch : ResourcePatch {
         var colorGreyLabelId: Long = -1
         var dialogSolidLabelId: Long = -1
         var disabledIconLabelId: Long = -1
+        var floatingActionButtonLabelId: Long = -1
         var isTabletLabelId: Long = -1
     }
 
@@ -31,6 +32,7 @@ class SharedResourceIdPatch : ResourcePatch {
         colorGreyLabelId = findSharedResourceId("color", "ytm_color_grey_12")
         dialogSolidLabelId = findSharedResourceId("style", "Theme.YouTubeMusic.Dialog.Solid")
         disabledIconLabelId = findSharedResourceId("dimen", "disabled_icon_alpha")
+        floatingActionButtonLabelId = findSharedResourceId("id", "floating_action_button")
         isTabletLabelId = findSharedResourceId("bool", "is_tablet")
 
         return PatchResultSuccess()

src/main/resources/music/settings/host/values/strings.xml

@@ -36,6 +36,9 @@
     <string name="revanced_hide_music_ads_summary">"Hide ads before playing a track.
 (requires an app restart)"</string>
     <string name="revanced_hide_music_ads_title">Hide music ads</string>
+    <string name="revanced_hide_new_playlist_button_summary">"Hide the New Playlist button in the Library tab.
+(requires an app restart)"</string>
+    <string name="revanced_hide_new_playlist_button_title">Hide new playlist button</string>
     <string name="revanced_hide_playlist_card_summary">"Hides the playlist card from homepage.
 (requires an app restart)"</string>
     <string name="revanced_hide_playlist_card_title">Hide playlist card</string>