Spotify: Add Hide Create button

Author: chsbuffer

README.md

@@ -24,6 +24,7 @@
 ### Spotify
 - Unlock Spotify Premium
 - Sanitize sharing links
+- Hide Create button
 
 ### Google Photos
 - Spoof Pixel XL

app/src/main/java/io/github/chsbuffer/revancedxposed/spotify/HideCreateButton.kt

@@ -0,0 +1,71 @@
+package io.github.chsbuffer.revancedxposed.spotify
+
+import app.revanced.extension.spotify.layout.hide.createbutton.HideCreateButtonPatch
+import de.robv.android.xposed.XC_MethodHook
+import io.github.chsbuffer.revancedxposed.AccessFlags
+import io.github.chsbuffer.revancedxposed.Opcode
+import io.github.chsbuffer.revancedxposed.fingerprint
+
+fun SpotifyHook.HideCreateButton() {
+    val oldNavigationBarAddItemMethod = runCatching {
+        getDexMethod("oldNavigationBarAddItemFingerprint") {
+            fingerprint {
+                strings("Bottom navigation tabs exceeds maximum of 5 tabs")
+            }
+        }
+    }.getOrNull()
+
+    val navigationBarItemSetClassDef = runCatching {
+        getDexClass("navigationBarItemSetClassFingerprint") {
+            fingerprint {
+                strings("NavigationBarItemSet(")
+            }.declaredClass!!
+        }
+    }.getOrNull()
+
+    if (navigationBarItemSetClassDef != null) {
+        // Main patch for newest and most versions.
+        // The NavigationBarItemSet constructor accepts multiple parameters which represent each navigation bar item.
+        // Each item is manually checked whether it is not null and then added to a LinkedHashSet.
+        // Since the order of the items can differ, we are required to check every parameter to see whether it is the
+        // Create button. So, for every parameter passed to the method, invoke our extension method and overwrite it
+        // to null in case it is the Create button.
+        getDexMethod("navigationBarItemSetConstructorFingerprint") {
+            fingerprint {
+                accessFlags(AccessFlags.PUBLIC, AccessFlags.CONSTRUCTOR)
+                // Make sure the method checks whether navigation bar items are null before adding them.
+                // If this is not true, then we cannot patch the method and potentially transform the parameters into null.
+                opcodes(Opcode.IF_EQZ, Opcode.INVOKE_VIRTUAL)
+                classMatcher {
+                    className = navigationBarItemSetClassDef.className
+                }
+                methodMatcher {
+                    addInvoke { name = "add" }
+                }
+            }
+        }.hookMethod(object : XC_MethodHook() {
+            override fun beforeHookedMethod(param: MethodHookParam) {
+                for ((i, arg) in param.args.withIndex()) {
+                    param.args[i] = HideCreateButtonPatch.returnNullIfIsCreateButton(arg)
+                }
+            }
+        })
+    }
+
+    @Suppress("IfThenToSafeAccess")
+    if (oldNavigationBarAddItemMethod != null) {
+        // In case an older version of the app is being patched, hook the old method which adds navigation bar items.
+        // Return early if the navigation bar item title resource id is the old Create button title resource id.
+        oldNavigationBarAddItemMethod.hookMethod(object : XC_MethodHook() {
+            override fun beforeHookedMethod(param: MethodHookParam) {
+                for (arg in param.args) {
+                    if (arg !is Int) continue
+                    if (HideCreateButtonPatch.isOldCreateButton(arg)) {
+                        param.result = null
+                        return
+                    }
+                }
+            }
+        })
+    }
+}

app/src/main/java/io/github/chsbuffer/revancedxposed/spotify/SpotifyHook.kt

@@ -33,6 +33,7 @@ class SpotifyHook(app: Application, lpparam: LoadPackageParam) : BaseHook(app, l
         ::Extension,
         ::SanitizeSharingLinks,
         ::UnlockPremium,
+        ::HideCreateButton
     )
 
     fun Extension() {