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feat: Add Prevent screenshot detection patch (#6482)

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Co-authored-by: Swakshan <56347042+Swakshan@users.noreply.github.com>
Co-authored-by: oSumAtrIX <johan.melkonyan1@web.de>
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xehpuk 2026-01-19 10:16:30 +01:00 • committed by GitHub
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patches/src/main/kotlin/app/revanced/patches/all/misc/screenshot/PreventScreenshotDetectionPatch.kt Normal file
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package app.revanced.patches.all.misc.screenshot
import app.revanced.patcher.extensions.InstructionExtensions.removeInstruction
import app.revanced.patcher.patch.bytecodePatch
import app.revanced.patches.all.misc.transformation.transformInstructionsPatch
import app.revanced.util.getReference
import com.android.tools.smali.dexlib2.Opcode
import com.android.tools.smali.dexlib2.iface.reference.MethodReference
import com.android.tools.smali.dexlib2.immutable.reference.ImmutableMethodReference
import com.android.tools.smali.dexlib2.util.MethodUtil
private val registerScreenCaptureCallbackMethodReference = ImmutableMethodReference(
"Landroid/app/Activity;",
"registerScreenCaptureCallback",
listOf(
"Ljava/util/concurrent/Executor;",
"Landroid/app/Activity\$ScreenCaptureCallback;",
),
"V"
)
private val unregisterScreenCaptureCallbackMethodReference = ImmutableMethodReference(
"Landroid/app/Activity;",
"unregisterScreenCaptureCallback",
listOf(
"Landroid/app/Activity\$ScreenCaptureCallback;",
),
"V"
)
@Suppress("unused")
val preventScreenshotDetectionPatch = bytecodePatch(
name = "Prevent screenshot detection",
description = "Removes the registration of all screen capture callbacks. This prevents the app from detecting screenshots.",
) {
dependsOn(transformInstructionsPatch(
filterMap = { _, _, instruction, instructionIndex ->
if (instruction.opcode != Opcode.INVOKE_VIRTUAL) return@transformInstructionsPatch null
val reference = instruction.getReference<MethodReference>() ?: return@transformInstructionsPatch null
instructionIndex.takeIf {
MethodUtil.methodSignaturesMatch(reference, registerScreenCaptureCallbackMethodReference) ||
MethodUtil.methodSignaturesMatch(reference, unregisterScreenCaptureCallbackMethodReference)
}
},
transform = { mutableMethod, instructionIndex ->
mutableMethod.removeInstruction(instructionIndex)
}
))
}