Урок 18. Практика (Код урока)

Я тугодум, и не могу соединить Урок 18 и 25,
Как SING_STATE засунуть в лаунчер

Активити регистрации
singinstate = intent.getStringExtra(Text.SING_STATE)!!
if(singinstate == Text.SING_IN_STATE)

—————————————————————–

Майн Активити

launcherLogin =
registerForActivityResult(ActivityResultContracts.StartActivityForResult()) {
result: ActivityResult ->
if (result.resultCode == RESULT_OK) {
result.data
val textlogin = result.data?.getStringExtra(“${Text.SING_IN_STATE}”)
Log.d(“MyLog”, “Result = $textlogin”)

—————————————————————–
fun onClickLogin(view: View){

launcherLogin?.launch(Intent(this, Registration::class.java))

}

MainActivity
package com.example.lesson_25_18

import …

class MainActivity : AppCompatActivity() {
lateinit var binding: ActivityMainBinding
private var launcher: ActivityResultLauncher? = null
private var signal = “ampty”
private var login = “empty”
private var password = “empty”
private var name = “empty”
private var name2 = “empty”
private var avatarImageId: Int = 0

override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
binding = ActivityMainBinding.inflate(layoutInflater)
setContentView(binding.root)
launcher = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) {
result: ActivityResult ->
if (result.resultCode == RESULT_OK) {
signal = result.data?.getStringExtra(Const.START)!!
if (signal == “enter”) {
val l = result.data?.getStringExtra(Const.LOGIN)
val p = result.data?.getStringExtra(Const.PASSWORD)
if (login == l && password == p) {
binding.imView.visibility = View.VISIBLE
binding.imView.setImageResource(R.drawable.ket)
binding.textInfo.text = “Привет $name”
binding.butReg.visibility = View.GONE
binding.butEnter.visibility = View.GONE
binding.butExit.visibility = View.VISIBLE
binding.butExit.text = “Выйти”
} else {
binding.imView.visibility = View.VISIBLE
binding.imView.setImageResource(R.drawable.dulia)
binding.textInfo.text = “Такого аккаунта НЕТ!”
}
}
if (signal == Const.REGISTRATION) {
login = result.data?.getStringExtra(Const.LOGIN)!!
password = result.data?.getStringExtra(Const.PASSWORD)!!
name = result.data?.getStringExtra(Const.NAME)!!
name2 = result.data?.getStringExtra(Const.NAME2)!!
avatarImageId = R.drawable.ket
binding.imView.visibility = View.VISIBLE
binding.imView.setImageResource(R.drawable.ket)
binding.textInfo.text = “Привет $name”
binding.butReg.visibility = View.GONE
binding.butEnter.visibility = View.GONE
binding.butExit.visibility = View.VISIBLE
binding.butExit.text = “Выйти”
}
}
}
}
fun onClickEnter(view: View){
val i = Intent(this, MainActivity2::class.java)
i.putExtra(Const.START,Const.ENTER)
launcher?.launch(i)
}
fun onClickReg(view: View){
val i = Intent(this, MainActivity2::class.java)
i.putExtra(Const.START, Const.REGISTRATION)
launcher?.launch(i)
}
fun onClickExit(view: View){
if(binding.butExit.visibility == View.VISIBLE){
binding.textInfo.text = “”
binding.butReg.visibility = View.GONE
binding.butEnter.visibility = View.VISIBLE
binding.imView.visibility = View.INVISIBLE
binding.butExit.visibility = View.INVISIBLE
val i = Intent(this, MainActivity2::class.java)
i.putExtra(Const.START,Const.ENTER)
launcher?.launch(i)
}
}
}
MainActivity2
package com.example.lesson_25_18

import …

class MainActivity2 : AppCompatActivity() {
lateinit var binding: ActivityMain2Binding
private var sign = “empty”

override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
binding = ActivityMain2Binding.inflate(layoutInflater)
setContentView(binding.root)

sign = intent.getStringExtra(Const.START)!!
if(sign == Const.ENTER){
binding.butAvatar.visibility = View.GONE
binding.textName.visibility = View.GONE
binding.textName2.visibility = View.GONE
}
if(sign == Const.REGISTRATION) binding.imAvatar.visibility = View.VISIBLE
}
fun onClickOk (view: View){
if(sign == Const.ENTER){
intent.putExtra(Const.START, Const.ENTER)
intent.putExtra(Const.LOGIN, binding.textLogin.text.toString())
intent.putExtra(Const.PASSWORD, binding.textPassword.text.toString())
setResult(RESULT_OK, intent)
finish()
}
if(sign == Const.REGISTRATION){
val i = Intent()
i.putExtra(Const.START, Const.REGISTRATION)
i.putExtra(Const.LOGIN, binding.textLogin.text.toString())
i.putExtra(Const.PASSWORD, binding.textPassword.text.toString())
i.putExtra(Const.NAME, binding.textName.text.toString())
i.putExtra(Const.NAME2, binding.textName2.text.toString())
if(binding.imAvatar.visibility == View.VISIBLE) i.putExtra(Const.AVATAR_ID, R.drawable.ket)
setResult(RESULT_OK, i)
finish()
}
}
fun onClickAvatar(view: View){
binding.imAvatar.visibility = View.VISIBLE
binding.imAvatar.setImageResource(R.drawable.ket)
}
}