<?xml version="1.0" encoding="utf-8"?>
<ripple xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:color="#5183c1">

    <item>
        <shape>
            <corners android:radius="4dp" />
            <solid android:color="#135790" />
        </shape>
    </item>
</ripple>

<Button
    android:id="@+id/button"
	android:layout_width="wrap_content"
	android:layout_height="wrap_content"
	android:text="Buton"
	android:background="@drawable/bg_button"
	/>

https://example.xyz/api  ->  http://example.xyz/api

<?xml version="1.0" encoding="utf-8"?>
<manifest>
    <uses-permission android:name="android.permission.INTERNET" />
    <application
        ...
        ...
        android:usesCleartextTraffic="true"
        ...
    </application>
</manifest>

<?xml version="1.0" encoding="utf-8"?>
<network-security-config>
    <domain-config cleartextTrafficPermitted="true">
        <domain includeSubdomains="true">example.xyz</domain>
        <domain includeSubdomains="true">api.example.xyz</domain>
    </domain-config>
</network-security-config>

<?xml version="1.0" encoding="utf-8"?>
<manifest>
    <uses-permission android:name="android.permission.INTERNET" />
    <application
        ...
        ...
        android:networkSecurityConfig="@xml/network_security_config"
        ...
    </application>
</manifest>

android {
    ...
    dataBinding {
        enabled = true
    }
}

<?xml version="1.0" encoding="utf-8"?>
<layout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools">

    <LinearLayout
        android:id="@+id/example_layout"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:gravity="center"
        android:orientation="vertical"
        tools:context=".MainActivity">

        <TextView
            android:id="@+id/hello_world_text"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="center"
            android:text="Hello World" />
    </LinearLayout>
</layout>

ActivityMainBinding binding = DataBindingUtil.setContentView(this, R.layout.activity_main);

package com.hknsoft.databinding;

import androidx.appcompat.app.AppCompatActivity;
import androidx.databinding.DataBindingUtil;

import android.os.Bundle;
import android.view.View;

import com.hknsoft.databinding.databinding.ActivityMainBinding;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        ActivityMainBinding binding = DataBindingUtil.setContentView(this, R.layout.activity_main);

        binding.helloWorldText.setText("Deneme123");

        binding.exampleLayout.setVisibility(View.VISIBLE);
    }
}

implementation 'gun0912.ted:tedpermission:2.2.2'

import com.gun0912.tedpermission.PermissionListener;
import com.gun0912.tedpermission.TedPermission;

public void izinKontrol() {
        PermissionListener permissionListener = new PermissionListener() {
            @Override
            public void onPermissionGranted() {
				//izin verildigi zaman calisacak kodlar
				
                Toast.makeText(MainActivity.this,"Kamera izni verildi", Toast.LENGTH_SHORT).show();
            }

            @Override
            public void onPermissionDenied(List<String> deniedPermissions) {
				//izin verilmedigi zaman calisacak kodlar
				
                Toast.makeText(MainActivity.this, "Kamera izni verilmedi", Toast.LENGTH_SHORT).show();
            }
        };

        TedPermission.with(MainActivity.this) //kod hangi activity de ise onu yazin
                .setPermissionListener(permissionListener)
                .setPermissions(Manifest.permission.CAMERA) //ornek olarak kamera sectim. degistirilebilir ve daha fazla izin eklenebilir.
                .check();
    }

SharedPreferences sharedPref = this.getPreferences(Context.MODE_PRIVATE);
SharedPreferences.Editor editor = sharedPref.edit(); 
editor.putInt("int", 50); //int
editor.putString("string", "String Veri"); //string
editor.putBoolean("bool", isChecked); //boolean
editor.commit();

SharedPreferences sharedPref = getSharedPreferences("sharedPref", Context.MODE_PRIVATE);
int intValue = sharedPref.getInt("int", 0);
String stringValue = sharedPref.getString("string", "Bos");
Boolean booleanValue = sharedPref.getBoolean("bool", false);

String kopyalatmak_istediginiz_text = "Herhangi bir metin!";

ClipboardManager clipboardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
clipboardManager.setText(kopyalatmak_istediginiz_text);

Toast.makeText(getApplicationContext(), "Gösterilecek Mesajınız", Toast.LENGTH_LONG).show();
//Toast.LENGTH_LONG yerine 2000 girersek 2 sn gösterecektir.

getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);

android:keepScreenOn="true"

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:keepScreenOn="true">
    ...
</RelativeLayout>

android:screenOrientation="portrait"

android:screenOrientation="landscape"

<activity android:name=".MainActivity"
    android:.........
    android:.........
    android:screenOrientation="portrait"/>

<activity android:name=".MainActivity2"
    android:.........
    android:.........
    android:screenOrientation="landscape"/>

Thread timerThread = new Thread(){
            public void run(){
                try{
                    sleep(3000); //istediğiniz değerleri yazabilirsiniz (3000 = 3 saniye)
                }catch(InterruptedException e){
                    e.printStackTrace();
                }finally{
                    //buraya 3 saniye bittikten sonra ne gerçekleşmesini istiyorsanız onu yazın
                    //örnek olarak diğer activity'e geçmesini söyledim
                    Intent intent = new Intent(SplashActivity.this, MainActivity.class);
                    startActivity(intent);
                    finish();
                }
            }
        };
        timerThread.start();