Not a member of Pastebin yet?
Sign Up,
it unlocks many cool features!
- package com.example.edward.eventmanagementsystem.StartUpPage;
- import android.app.ProgressDialog;
- import android.content.Intent;
- import android.support.annotation.NonNull;
- import android.support.v7.app.ActionBar;
- import android.support.v7.app.AppCompatActivity;
- import android.os.Bundle;
- import android.view.View;
- import android.widget.Button;
- import android.widget.EditText;
- import android.widget.TextView;
- import android.widget.Toast;
- import com.example.edward.eventmanagementsystem.R;
- import com.example.edward.eventmanagementsystem.StartUpPage.Organizer;
- import com.google.firebase.auth.FirebaseAuth;
- import com.google.firebase.auth.FirebaseUser;
- import com.google.firebase.database.DataSnapshot;
- import com.google.firebase.database.DatabaseError;
- import com.google.firebase.database.DatabaseReference;
- import com.google.firebase.database.FirebaseDatabase;
- import com.google.firebase.database.ValueEventListener;
- import java.util.ArrayList;
- import java.util.List;
- public class MainActivity extends AppCompatActivity {
- //private Button button;
- Button loginButton;
- EditText editLogin, editPass;
- TextView registerLink;
- FirebaseUser user;
- String uid;
- List<String> itemList;
- DatabaseReference databaseReference;
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.activity_main);
- ActionBar actionBar = getSupportActionBar();
- actionBar.hide();
- editLogin = findViewById(R.id.editLogin);
- editPass = findViewById(R.id.editPass);
- loginButton = (Button)findViewById(R.id.loginButton);
- registerLink = (TextView)findViewById(R.id.registerLink);
- user = FirebaseAuth.getInstance().getCurrentUser();
- uid = user.getUid();
- itemList = new ArrayList<>();
- loginButton.setOnClickListener(new View.OnClickListener() {
- @Override
- public void onClick(View v) {
- Intent MainMenu = new Intent(MainActivity.this, com.example.edward.eventmanagementsystem.MainMenuPage.MainMenu.class);
- startActivity(MainMenu);
- }
- });
- registerLink.setOnClickListener(new View.OnClickListener() {
- @Override
- public void onClick(View v) {
- Intent Register = new Intent(MainActivity.this,com.example.edward.eventmanagementsystem.StartUpPage.Register.class );
- startActivity(Register);
- }
- });
- // Init Database
- FirebaseDatabase database = FirebaseDatabase.getInstance();
- final DatabaseReference table_user = database.getReference().child("Organizer").push(); //("Organizer");
- loginButton.setOnClickListener(new View.OnClickListener(){
- @Override
- public void onClick (View view){
- final ProgressDialog mDialog = new ProgressDialog(MainActivity.this);
- mDialog.setMessage("Please waiting...");
- mDialog.show();
- table_user.addValueEventListener(new ValueEventListener() {
- @Override
- public void onDataChange(DataSnapshot dataSnapshot) {
- //check if user does't exists in database
- if(dataSnapshot.child(editLogin.getText().toString()).exists()) {
- //get organizer sign in information
- mDialog.dismiss();
- Organizer organizer = dataSnapshot.child(editLogin.getText().toString()).getValue(Organizer.class);
- if(organizer.getPassword().equals(editPass.getText().toString())){
- Toast.makeText(MainActivity.this, "Sign in successfully!", Toast.LENGTH_SHORT).show();
- Intent MainMenu = new Intent(MainActivity.this, com.example.edward.eventmanagementsystem.MainMenuPage.MainMenu.class);
- startActivity(MainMenu);
- }
- else{
- Toast.makeText(MainActivity.this, "Sign in failed!", Toast.LENGTH_SHORT).show();
- }
- }
- else
- {
- Toast.makeText(MainActivity.this, "User not exists in database.", Toast.LENGTH_SHORT).show();
- }
- }
- @Override
- public void onCancelled(DatabaseError databaseError) {
- }
- });
- }
- });
- }
- }
Add Comment
Please, Sign In to add comment