MyApp/
+¦¦ app/
-   +¦¦ src/
-   -   +¦¦ main/
-   -   -   +¦¦ java/com/example/myapp/   # Kotlin/Java kodları
-   -   -   -   L¦¦ MainActivity.kt
-   -   -   +¦¦ res/                      # Kaynaklar
-   -   -   -   +¦¦ layout/               # XML layout dosyaları
-   -   -   -   -   L¦¦ activity_main.xml
-   -   -   -   +¦¦ values/               # Renkler, stringler
-   -   -   -   -   +¦¦ colors.xml
-   -   -   -   -   +¦¦ strings.xml
-   -   -   -   -   L¦¦ themes.xml
-   -   -   -   L¦¦ drawable/             # Görseller
-   -   -   L¦¦ AndroidManifest.xml       # Uygulama ayarları
-   -   L¦¦ build.gradle                  # Modül bağımlılıkları
+¦¦ build.gradle                          # Proje bağımlılıkları
L¦¦ settings.gradle
                

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.myapp">
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.CAMERA" />
    <application android:allowBackup="true" android:icon="@mipmap/ic_launcher" android:label="@string/app_name" android:theme="@style/Theme.MyApp">
        <activity android:name=".MainActivity" android:exported="true">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>
</manifest>
                

package com.example.myapp;
import android.os.Bundle;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
import androidx.appcompat.app.AppCompatActivity;

public class MainActivity extends AppCompatActivity {
    private TextView textView;
    private Button button;
    private int counter = 0;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        textView = findViewById(R.id.textView);
        button = findViewById(R.id.button);
        
        button.setOnClickListener(view -> {
            counter++;
            textView.setText("Sayaç: " + counter);
            Toast.makeText(this, "Tıklandı!", Toast.LENGTH_SHORT).show();
        });
    }
}
                

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent" android:layout_height="match_parent"
    android:orientation="vertical" android:gravity="center" android:padding="24dp">
    <TextView android:id="@+id/textView" android:layout_width="wrap_content" android:layout_height="wrap_content"
        android:text="Sayaç: 0" android:textSize="32sp" android:textStyle="bold" android:layout_marginBottom="24dp" />
    <Button android:id="@+id/button" android:layout_width="wrap_content" android:layout_height="wrap_content"
        android:text="Arttır" android:textSize="18sp" android:paddingHorizontal="32dp" />
</LinearLayout>
                

package com.example.myapp
import android.os.Bundle
import android.widget.Toast
import androidx.appcompat.app.AppCompatActivity
import com.example.myapp.databinding.ActivityMainBinding

class MainActivity : AppCompatActivity() {
    private lateinit var binding: ActivityMainBinding
    private var counter = 0

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState);
        binding = ActivityMainBinding.inflate(layoutInflater)
        setContentView(binding.root)
        
        binding.button.setOnClickListener {
            counter++
            binding.textView.text = "Sayaç: $counter"
            Toast.makeText(this, "Tıklandı!", Toast.LENGTH_SHORT).show()
        }
    }
}
                

data class User(val id: Int, val name: String, val email: String)
fun String.addEmoji(): String = "🔹 $this ?"
val message = "Merhaba".addEmoji()
                

import 'package:flutter/material.dart';

void main() { runApp(const MyApp()); }

class MyApp extends StatelessWidget {
  const MyApp({super.key});
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      home: const MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});
  final String title;
  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  int _counter = 0;
  void _incrementCounter() { setState(() { _counter++; }); }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: Text(widget.title)),
      body: Center(
        child: Column(mainAxisAlignment: MainAxisAlignment.center, children: [
            Text('Butona tıkladınız:'),
            Text('$_counter', style: Theme.of(context).textTheme.headlineMedium),
        ]),
      ),
      floatingActionButton: FloatingActionButton(onPressed: _incrementCounter, tooltip: 'Arttır', child: Icon(Icons.add)),
    );
  }
}
                

var name = 'Ali';
String city = 'Kayseri';
int add(int a, int b) => a + b;