cara membuat login di android studio tampa database Buat projec baru pada android studio Pilih empty Activity Copy codingan berikut ke ActivityMain.xml Maka hasilnya seperti gambar berikut Copy codingan berikut ke ActivityMain.java import android.support.v7.app.AlertDialog; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.EditText; public class MainActivity extends AppCompatActivity { EditText username,password; Button login; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.login_162038_activity); username = (EditText) findViewById(R.id.editText_username); password = (EditText) findViewById(R.id.editText_password); login = (Button) findViewById(R.id.button_login); login.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v){ String userkey = username.getText().toString(); String passkey = password.getText().toString(); if(userkey.equals("login123") && passkey.equals("login123"))/*login123 adalah username dan passwordnya*/{ AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this); builder.setMessage("BERHASIL LOGN!") .setNegativeButton("OK", null).create().show(); }else{ AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this); builder.setMessage("GAGAL LOGIN!") .setNegativeButton("Retry", null).create().show(); } } }); } } Jalankan Aplikasi Share this post