Login by facebook android jetpack compose

ComposeFunction.kt

val context = LocalContext.current
val callbackManager = remember { CallbackManager.Factory.create() }

 val callbackManager = CallbackManager.Factory.create()
                    val loginManager = LoginManager.getInstance()

                    loginManager.logIn(
                        context as ActivityResultRegistryOwner,
                        callbackManager,
                        listOf("email")
                    )

                    loginManager.registerCallback(
                        callbackManager,
                        object : FacebookCallback<LoginResult> {
                            override fun onCancel() {
                                Timber.d("Facebook login cancelled")
                            }

                            override fun onError(error: FacebookException) {
                                Timber.e("Facebook login error: ${error.message}")
                                Toast.makeText(
                                    context,
                                    context.getString(R.string.txt_error_occurred),
                                    Toast.LENGTH_SHORT
                                ).show()
                            }

                            override fun onSuccess(result: LoginResult) {
                                Timber.d("Facebook login success: ${result.accessToken.token}")
                                Toast.makeText(
                                    context,
                                   "Login success",
                                    Toast.LENGTH_SHORT
                                ).show()
                            }

                        })

Note.md

Remember to follow instruction of facebook