Morphe Library Reference

import app.morphe.util.returnEarly
import app.morphe.util.returnLate

method.returnEarly()           // return-void
method.returnEarly(true)       // return true at start, skip all code
method.returnEarly(false)      // return false
method.returnEarly(0)          // return int 0
method.returnEarly("text")     // return string
method.returnEarly(null)       // return null object
method.returnLate(true)        // override ALL return statements to true
method.returnLate(false)       // override ALL return statements to false

method.addInstructions(0, "...")    // ✅ correct
method.addInstructions("...")       // ❌ deprecated — will be deleted

import app.morphe.util.indexOfFirstInstruction
import app.morphe.util.indexOfFirstInstructionOrThrow
import app.morphe.util.indexOfFirstStringInstruction
import app.morphe.util.findInstructionIndicesReversedOrThrow

// By opcode
method.indexOfFirstInstruction(Opcode.INVOKE_VIRTUAL)
method.indexOfFirstInstructionOrThrow(Opcode.RETURN)
method.indexOfFirstInstructionOrThrow(startIndex, Opcode.IF_EQZ)

// By predicate
method.indexOfFirstInstruction { getReference<MethodReference>()?.name == "isPremium" }

// By string
method.indexOfFirstStringInstructionOrThrow("premium")

// Reversed (from end — safe for modification)
method.indexOfFirstInstructionReversedOrThrow(Opcode.RETURN)
method.findInstructionIndicesReversedOrThrow(Opcode.RETURN)  // all indices
method.findInstructionIndicesReversedOrThrow(stringFilter)    // all filter matches

// By literal value
method.indexOfFirstLiteralInstructionOrThrow(1337L)
method.containsLiteralInstruction(1337L)

import app.morphe.util.insertLiteralOverride

method.insertLiteralOverride(1337L, "Lext;->check(I)I")  // call extension
method.insertLiteralOverride(1337L, false)                 // constant override

import app.morphe.util.addInstructionsAtControlFlowLabel

method.addInstructionsAtControlFlowLabel(index, "const/4 v0, 0x1")

import app.morphe.util.injectHideViewCall

method.injectHideViewCall(insertIndex, viewRegister, "Lext;", "hideView")

import app.morphe.util.findFieldFromToString
import app.morphe.util.findMethodFromToString

val field = method.findFieldFromToString("fieldName=")
val targetMethod = method.findMethodFromToString("fieldName=")

import app.morphe.util.traverseClassHierarchy
import app.morphe.util.toPublicAccessFlags

traverseClassHierarchy(mutableClass) { /* each class in hierarchy */ }
val flags = accessFlags.toPublicAccessFlags()
field.removeFlags(AccessFlags.FINAL)
mutableClass.constructor()
mutableClass.fieldByName("name")
classDef.toStringMethod()

import app.morphe.util.cloneParameters

val cloned = method.cloneParameters()

method.addInstructionsToEnd("invoke-static {}, Lext;->hook()V")
method.p0Register          // actual register number of p0
method.numberOfParameterRegisters
// Read all registers used by an instruction
val usedRegs: List<Int> = instruction.registersUsed
true.toHexString()         // "0x1"

import app.morphe.patches.all.misc.string.replaceStringPatch

// Replace string globally across all classes
val myPatch = replaceStringPatch(from = "old text", to = "new text")

import app.morphe.patches.all.misc.resources.getResourceId
import app.morphe.patches.all.misc.resources.ResourceType

val id = getResourceId(ResourceType.ID, "resource_name")
val index = method.indexOfFirstResourceIdOrThrow("resource_name")

${PATCHES_DIR}/patches/src/main/kotlin/
├── app/morphe/util/                    # Kotlin utilities
│   ├── BytecodeUtils.kt               # ★ Most used
│   ├── FreeRegisterProvider.kt
│   ├── MemoryUtils.kt
│   ├── ResourceUtils.kt
│   └── PatchListGenerator.kt
├── app/morphe/patches/all/misc/        # Reusable patch templates
│   ├── string/ReplaceStringPatch.kt
│   ├── resources/ResourceMappingPatch.kt
│   ├── hex/HexPatchBuilder.kt
│   └── transformation/
│       ├── MethodCall.kt
│       └── TransformInstructionsPatch.kt
└── <group>/patches/<app>/              # Your patches (discover group from build.gradle.kts)

${PATCHES_DIR}/extensions/extension/src/main/java/
└── app/morphe/extension/shared/        # Java runtime code
    ├── Utils.java, Logger.java, etc.
    ├── settings/                        # Settings framework
    └── ui/                              # UI components