Notes

MAİNACTİVİTY
package com.example.gencsoru1;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;
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 {
SharedPreferences preferences;
SharedPreferences.Editor editor;
String mail_string,sifre_string;
Button giris,kayıt;
EditText kullanıcıadı,sifre;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
preferences =
PreferenceManager.getDefaultSharedPreferences(getApplicationContext());//pr
eferences objesi
editor = preferences.edit();
if(preferences.getBoolean("login", false)){
Intent i = new
Intent(getApplicationContext(),AnasayfaActivity.class);
startActivity(i);
finish();
}
kullanıcıadı = (EditText)findViewById(R.id.KullanıcıAdı);
sifre = (EditText)findViewById(R.id.Sifre);
giris = (Button) findViewById(R.id.btnGiris);
giris.setOnClickListener(new View.OnClickListener() {//giriş butonu
tıklandığı zaman
@Override
public void onClick(View v) {
mail_string = kullanıcıadı.getText().toString();
sifre_string = sifre.getText().toString();
if(mail_string.matches("") ||
sifre_string.matches("")){//bilgiler eksik ise
AlertDialog.Builder alertDialog = new
AlertDialog.Builder(MainActivity.this);
alertDialog.setTitle("Uyar˝");
alertDialog.setMessage("Eksiksiz Doldurunz!");
alertDialog.setPositiveButton("Tamam", new which
DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,int) { }});
alertDialog.show();
}else
Toast.makeText(MainActivity.this,"=="+email+sifre,Toast.LENGTH_SHORT).show(
);
String email = preferences.getString("email", "genc");
String sifre = preferences.getString("sifre", "123");
if(email.matches(mail_string) &&
sifre.matches(sifre_string)){
editor.putBoolean("login", true);
Intent i = new
Intent(getApplicationContext(),AnasayfaActivity.class);
startActivity(i);
finish();
}else{
AlertDialog.Builder alertDialog = new AlertDialog.Builder(
MainActivity.this);
alertDialog.setTitle("Hata");
alertDialog.setMessage("Mailiniz veya Şifreniz Uyuşmuyor!");
alertDialog.setPositiveButton("Tamam", new
DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,int which) {}});
alertDialog.show();}} } });}}
ANASAYFAACTİVİTY
public class AnasayfaActivity extends AppCompatActivity {
SharedPreferences preferences; //preferences nesne referansı
SharedPreferences.Editor editor;
TextView Sırala;
ListView sozluk;
Button ekle,sil;
Veritabanı vt;
String turkce, ingilizce, cumle;
String turkceStr, ingilizceStr, cumleStr, numberStr;
int id;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_anasayfa);
sozluk = findViewById(R.id.listViewSozluk);
ekle = findViewById(R.id.saddBtn);
sil = findViewById(R.id.silBtn);
ArrayList<String> sozlukList = new ArrayList<>();
vt = new Veritabanı(this);
SQLiteDatabase helper = vt.getWritableDatabase();
Cursor cursor = null;
cursor = helper.query("KAYIT", null, null, null, null, null, null);
preferences =
PreferenceManager.getDefaultSharedPreferences(getApplicationContext());//pr
eferences nesnesi oluşturuluyor ve prefernces referansına bağlanıyor
editor = preferences.edit();
sozluk = findViewById(R.id.listViewSozluk);
while (cursor.moveToNext()) {
turkce = cursor.getString(cursor.getColumnIndex("Turkce"));
id = cursor.getInt(cursor.getColumnIndex("ID"));
ingilizce =
cursor.getString(cursor.getColumnIndex("Ingılızce"));
cumle = cursor.getString(cursor.getColumnIndex("Cumle"));
sozlukList.add(id + "-" + turkce + "-" + ingilizce + "-" +
cumle);
}
cursor.close();
vt.close();
ArrayAdapter<String> veriAdapter = new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1, android.R.id.text1, sozlukList);
sozluk.setAdapter(veriAdapter);
ekle.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent listIntent= new
Intent(getApplicationContext(),Main2Activity.class);
startActivity(listIntent); }}); }}
MAİNACTİVİTY2
package com.example.gencsoru1;
public class Main2Activity extends AppCompatActivity {
EditText cumle,ing,tr;Button addBtn;Veritabanı db; ContentValues
contentValues; SQLiteDatabase sqLiteDatabase;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main2);
cumle = findViewById(R.id.cumleTxt);
ing = findViewById(R.id.ingilizceTxt);
tr = findViewById(R.id.turkceTxt);
addBtn = findViewById(R.id.addBtn);
db = new Veritabanı(this);
contentValues = new ContentValues();
sqLiteDatabase = db.getWritableDatabase();
addBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
contentValues.put("Turkce", tr.getText().toString());
//tablodak sutun isimleri
contentValues.put("Ingılızce", ing.getText().toString());
contentValues.put("Cumle", cumle.getText().toString());
long rowID = sqLiteDatabase.insert("KAYIT", null,
contentValues);
Toast.makeText(Main2Activity.this, ":" + rowID + "nolu
kayit yapildi", Toast.LENGTH_SHORT).show();
Intent listIntent= new
Intent(getApplicationContext(),AnasayfaActivity.class);
startActivity(listIntent);
} });
}}