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package kr.vrpano.wonstar
 
import android.content.Intent
import android.os.Bundle
import android.support.v7.app.AppCompatActivity
import android.view.View
import android.widget.Toast
import com.google.firebase.auth.FirebaseAuth
import com.google.firebase.auth.FirebaseUser
import kotlinx.android.synthetic.main.activity_login.*
 
class LoginActivity : AppCompatActivity() {
 
    // Firebase Authentication 관리 클래스
    var auth: FirebaseAuth? = null
 
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_login)
 
        // Firebase Authentication 관리 클래스
        auth = FirebaseAuth.getInstance()
 
        // 이메일 로그인 이벤트 처리
        email_login_button.setOnClickListener { emailLogin() }
    }
 
    // 이메일 로그인 메소드
    fun emailLogin(){
        if (email_edittext.text.toString().isNullOrEmpty() ||
                password_edittext.text.toString().isNullOrEmpty()){
            Toast.makeText(this,getString(R.string.signout_fail_null),
                Toast.LENGTH_SHORT).show()
        } else {
            progress_bar.visibility = View.VISIBLE
            createAndLoginEmail()
        }
    }
 
    // 이메일 회원 가입 및 로그인 메소드
    fun createAndLoginEmail(){
 
        auth?.createUserWithEmailAndPassword(email_edittext.text.toString(),password_edittext.text.toString())?.addOnCompleteListener { task ->
                progress_bar.visibility = View.GONE
                if(task.isSuccessful){
                    moveMainPage(auth?.currentUser) //유저아이디를 넘겨준다.
                    Toast.makeText(this,getString(R.string.signup_complete),
                        Toast.LENGTH_SHORT).show()
                } else if (task.exception?.message.isNullOrEmpty()){
                    Toast.makeText(this,task.exception!!.message,Toast.LENGTH_SHORT).show()
                } else {
                    signinEmail()
                }
            }
    }
 
    // 로그인 메소드
    fun signinEmail(){
        auth?.signInWithEmailAndPassword(email_edittext.text.toString(),password_edittext.text.toString())
            ?.addOnCompleteListener{
                task -> progress_bar.visibility = View.GONE
 
                if (task.isSuccessful){
                    // 로그인 성공 및 다음 페이지 호출
                    moveMainPage(auth?.currentUser)
                } else {
                    // 로그인 실패
                    Toast.makeText(this,task.exception!!.message, Toast.LENGTH_SHORT).show()
                }
            }
    }
 
    // 로그인 성공 시 이동할 페이지
    fun moveMainPage(user : FirebaseUser?){
        if(user != null){
            Toast.makeText(this,
                getString(R.string.signin_complete),
                Toast.LENGTH_SHORT).show()
            startActivity(Intent(this, MainActivity::class.java))
            finish()
        }
    }
}
 
cs


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