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https://github.com/revanced/revanced-patches
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refactor(youtube/settings): increase fingerprint robustness
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oSumAtrIX
parent
758b300591
commit
a64f33e385
@ -5,12 +5,16 @@ import app.revanced.patches.youtube.misc.settings.resource.patch.SettingsResourc
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import org.jf.dexlib2.Opcode
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import org.jf.dexlib2.iface.instruction.WideLiteralInstruction
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object ThemeSetterSystemFingerprint : MethodFingerprint(
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"L",
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object SetThemeFingerprint : MethodFingerprint(
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returnType = "L",
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opcodes = listOf(Opcode.RETURN_OBJECT),
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customFingerprint = { methodDef, _ ->
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methodDef.implementation?.instructions?.any {
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it.opcode.ordinal == Opcode.CONST.ordinal && (it as WideLiteralInstruction).wideLiteral == SettingsResourcePatch.appearanceStringId
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} == true
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methodDef.implementation?.instructions?.any { instruction ->
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if (instruction.opcode != Opcode.CONST) return@any false
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val wideLiteral = (instruction as WideLiteralInstruction).wideLiteral
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SettingsResourcePatch.appearanceStringId == wideLiteral
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} ?: false
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}
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)
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@ -1,25 +0,0 @@
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package app.revanced.patches.youtube.misc.settings.bytecode.fingerprints
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import app.revanced.patcher.extensions.or
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import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
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import org.jf.dexlib2.AccessFlags
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import org.jf.dexlib2.Opcode
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object ThemeSetterAppFingerprint : MethodFingerprint(
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"L",
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AccessFlags.PUBLIC or AccessFlags.STATIC,
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parameters = listOf("L", "L", "L", "L"),
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opcodes = listOf(
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Opcode.CONST, // target reference
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Opcode.GOTO,
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Opcode.CONST, // target reference
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Opcode.INVOKE_DIRECT,
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Opcode.RETURN_OBJECT,
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Opcode.NEW_INSTANCE,
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null, // changed from invoke interface to invoke virtual
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Opcode.MOVE_RESULT_OBJECT,
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Opcode.SGET_OBJECT,
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Opcode.IF_NE,
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Opcode.CONST, // target reference
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)
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)
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@ -7,6 +7,8 @@ import app.revanced.patcher.annotation.Version
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import app.revanced.patcher.data.BytecodeContext
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import app.revanced.patcher.extensions.addInstruction
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import app.revanced.patcher.extensions.addInstructions
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import app.revanced.patcher.extensions.instruction
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import app.revanced.patcher.extensions.replaceInstruction
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import app.revanced.patcher.patch.BytecodePatch
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import app.revanced.patcher.patch.PatchResult
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import app.revanced.patcher.patch.PatchResultSuccess
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@ -15,69 +17,48 @@ import app.revanced.patches.shared.settings.preference.impl.Preference
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import app.revanced.patches.shared.settings.util.AbstractPreferenceScreen
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import app.revanced.patches.youtube.misc.integrations.patch.IntegrationsPatch
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import app.revanced.patches.youtube.misc.settings.bytecode.fingerprints.LicenseActivityFingerprint
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import app.revanced.patches.youtube.misc.settings.bytecode.fingerprints.ThemeSetterAppFingerprint
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import app.revanced.patches.youtube.misc.settings.bytecode.fingerprints.ThemeSetterSystemFingerprint
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import app.revanced.patches.youtube.misc.settings.bytecode.fingerprints.SetThemeFingerprint
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import app.revanced.patches.youtube.misc.settings.resource.patch.SettingsResourcePatch
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import org.jf.dexlib2.Opcode
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import org.jf.dexlib2.iface.instruction.OneRegisterInstruction
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import org.jf.dexlib2.util.MethodUtil
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@DependsOn(
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[
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IntegrationsPatch::class,
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SettingsResourcePatch::class,
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]
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)
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@DependsOn([IntegrationsPatch::class, SettingsResourcePatch::class, ])
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@Name("settings")
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@Description("Adds settings for ReVanced to YouTube.")
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@Version("0.0.1")
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class SettingsPatch : BytecodePatch(
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listOf(LicenseActivityFingerprint, ThemeSetterSystemFingerprint, ThemeSetterAppFingerprint)
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listOf(LicenseActivityFingerprint, SetThemeFingerprint)
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) {
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override fun execute(context: BytecodeContext): PatchResult {
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fun buildInvokeInstructionsString(
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// TODO: Remove this when it is only required at one place.
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fun getSetThemeInstructionString(
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registers: String = "v0",
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classDescriptor: String = THEME_HELPER_DESCRIPTOR,
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methodName: String = SET_THEME_METHOD_NAME,
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parameters: String = "Ljava/lang/Object;"
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) = "invoke-static {$registers}, $classDescriptor->$methodName($parameters)V"
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) = "invoke-static { $registers }, $classDescriptor->$methodName($parameters)V"
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// apply the current theme of the settings page
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ThemeSetterSystemFingerprint.result!!.let { result ->
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val call = buildInvokeInstructionsString()
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result.mutableMethod.apply {
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// TODO: The label is pointing to the instruction below, but should instead point to the new instruction.
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addInstruction(
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result.scanResult.patternScanResult!!.startIndex, call
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)
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addInstructions(
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implementation!!.instructions.size - 1, call
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)
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SetThemeFingerprint.result?.mutableMethod?.let { setThemeMethod ->
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setThemeMethod.implementation!!.instructions.mapIndexedNotNull { i, instruction ->
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if (instruction.opcode == Opcode.RETURN_OBJECT) i else null
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}
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.asReversed() // Prevent index shifting.
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.forEach { returnIndex ->
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// The following strategy is to replace the return instruction with the setTheme instruction,
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// then add a return instruction after the setTheme instruction.
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// This is done because the return instruction is a target of another instruction.
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setThemeMethod.apply {
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// This register is returned by the setTheme method.
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val register = instruction<OneRegisterInstruction>(returnIndex).registerA
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val setThemeInstruction = getSetThemeInstructionString("v$register")
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replaceInstruction(returnIndex, setThemeInstruction)
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addInstruction(returnIndex + 1, "return-object v0")
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}
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}
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// set the theme based on the preference of the app
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ThemeSetterAppFingerprint.result?.apply {
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fun buildInstructionsString(theme: Int) = """
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const/4 v0, 0x$theme
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${buildInvokeInstructionsString(parameters = "I")}
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"""
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val patternScanResult = scanResult.patternScanResult!!
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mutableMethod.apply {
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addInstructions(
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patternScanResult.endIndex + 1, buildInstructionsString(1)
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)
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addInstructions(
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patternScanResult.endIndex - 7, buildInstructionsString(0)
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)
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addInstructions(
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patternScanResult.endIndex - 9, buildInstructionsString(1)
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)
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addInstructions(
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implementation!!.instructions.size - 2, buildInstructionsString(0)
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)
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}
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} ?: return ThemeSetterAppFingerprint.toErrorResult()
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} ?: return SetThemeFingerprint.toErrorResult()
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// set the theme based on the preference of the device
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LicenseActivityFingerprint.result!!.apply licenseActivity@{
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@ -87,7 +68,7 @@ class SettingsPatch : BytecodePatch(
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classDescriptor: String = SETTINGS_ACTIVITY_DESCRIPTOR,
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methodName: String = "initializeSettings",
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parameters: String = this@licenseActivity.mutableClass.type
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) = buildInvokeInstructionsString(registers, classDescriptor, methodName, parameters)
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) = getSetThemeInstructionString(registers, classDescriptor, methodName, parameters)
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// initialize the settings
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addInstructions(
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@ -29,21 +29,17 @@ class SettingsResourcePatch : AbstractSettingsResourcePatch(
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override fun execute(context: ResourceContext): PatchResult {
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super.execute(context)
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/*
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* used by a fingerprint of SettingsPatch
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*/
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// Used for a fingerprint from SettingsPatch.
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appearanceStringId = ResourceMappingPatch.resourceMappings.find {
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it.type == "string" && it.name == "app_theme_appearance_dark"
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}!!.id
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/*
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* create missing directory for the resources
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*/
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// Create missing directory for the resources.
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context["res/drawable-ldrtl-xxxhdpi"].mkdirs()
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/*
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* copy layout resources
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*/
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// Copy layout resources.
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arrayOf(
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ResourceUtils.ResourceGroup(
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"layout",
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@ -63,7 +59,7 @@ class SettingsResourcePatch : AbstractSettingsResourcePatch(
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preferencesEditor = context.xmlEditor["res/xml/settings_fragment.xml"]
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// Add the ReVanced settings to the YouTube settings
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// Add the ReVanced settings to the YouTube settings.
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val youtubePackage = "com.google.android.youtube"
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SettingsPatch.addPreference(
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Preference(
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@ -92,11 +88,8 @@ class SettingsResourcePatch : AbstractSettingsResourcePatch(
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internal companion object {
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// Used by a fingerprint of SettingsPatch
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// this field is located in the SettingsResourcePatch
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// because if it were to be defined in the SettingsPatch companion object,
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// the companion object could be initialized before ResourceMappingResourcePatch has executed.
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internal var appearanceStringId: Long = -1
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// Used for a fingerprint from SettingsPatch.
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internal var appearanceStringId = -1L
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// if this is not null, all intents will be renamed to this
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var overrideIntentsTargetPackage: String? = null
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