Android 메인로딩 페이지 만들기

res/ layout/ main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <TextView
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/hello" />

</LinearLayout>

res/ layout/ splash.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:background="@drawable/intro_black"
    android:gravity="center_vertical|center_horizontal"
    android:orientation="vertical" >

   <!--  
   <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="loading..."
        android:textSize="20sp"
        android:textStyle="bold" >
    </TextView>
    -->
</LinearLayout>

package kr.android.vichara;
//시작되는 & 로딩페이지(로딩페이지를 호출함)
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.Window;

public class MainActivity extends Activity{
	@Override
	public void onCreate(Bundle savedInstanceState){
		requestWindowFeature(Window.FEATURE_NO_TITLE);
		super.onCreate(savedInstanceState);
		setContentView(R.layout.splash);//로딩 이미지 있는곳

		initialize();
	}

	private void initialize(){
		Handler handler =    new Handler(){
			@Override
			public void handleMessage(Message msg){
				finish();    // 액티비티 종료
				startActivity(new Intent(MainActivity.this, SplashActivity.class));//이동될 클래스
			}
		};
		handler.sendEmptyMessageDelayed(0, 3000);    // ms, 3초후 종료시킴
	}
}

package kr.android.vichara;
//이동되는곳
import android.app.Activity;
import android.os.Bundle;
import android.view.Window;

public class SplashActivity extends Activity{
	@Override
	public void onCreate(Bundle savedInstanceState){
		requestWindowFeature(Window.FEATURE_NO_TITLE);
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);//로딩후 보여질페이지


		initialize();  // 시간이 걸리는 작업 처리
	}

	//스플래시 표시하는 것과 초기화를 동시에 진행시키기 위하여 쓰레드 처리
	private void initialize(){
		InitializationRunnable init = new InitializationRunnable();
		new Thread(init).start();
	}

	//초기화
	class InitializationRunnable implements Runnable{
		public void run(){
			// 여기서부터 초기화 작업 처리
			// do_something
		}
	}
}