Splash screen in android

1) Create a class splash screen.xml
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    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

            android:id="@+id/img_splash"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:background="@drawable/splash_screen" />



2)create java file named SpashScreen.java
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package com.drc.donateandalarm;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.view.KeyEvent;
import android.view.Window;
import android.view.WindowManager;

public class SplashScreen extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.xsplashscreen);
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);

        if(Calander_Manage.session){
              Calander_Manage.Set_DayLight_Saving(this);
        }
        thread.start();
    }
   
    // This Is run when key down
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_BACK) {
            return true;
        }
        return super.onKeyDown(keyCode, event);
    }
   
    private Handler handler = new Handler();
    private Thread thread = new Thread() {
        public void run() {
                try {
                        Thread.sleep(2000);
                        handler.post(mRunnable);
                }
                catch (Exception e) {
                    e.printStackTrace();
                }
        }
    };
   
    private Runnable mRunnable = new Runnable()
    {
        public void run()
        {      
            Intent iv = new Intent(SplashScreen.this,HomeActivity.class);
            startActivity(iv);
            finish();
        }
    };

}