SplashScreen.java

package sg.vinova.vss.group5.non.activity;


import sg.vinova.vss.group5.non.R;
import android.app.Activity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.os.Handler;
import android.preference.PreferenceManager;
import android.view.Menu;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.Button;
import android.widget.ImageView;

public class SplashScreen extends Activity {
	
	private SharedPreferences prefs;
	private static int SPLASH_TIME_OUT = 3000;
	Button btnenter;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.splash_screen);
		
	   	this.prefs = PreferenceManager.getDefaultSharedPreferences(this);
        
    	ImageView image = (ImageView) findViewById(R.id.logo);
    	Animation fadein = AnimationUtils.loadAnimation(this, R.anim.fade_in);
    	//Animation hyperspaceJump = AnimationUtils.loadAnimation(this, R.anim.hyperspace_jump);
    	image.startAnimation(fadein);
    	//image.startAnimation(hyperspaceJump);
   	    	    		   		  
		new Handler().postDelayed(new Runnable() {			 
	            @Override
	            public void run() {
	            		            	
	                // This method will be executed once the timer is over
	                // Start your app main activity	            	
	                String token = prefs.getString("oauth_token", null);
					String secret = prefs.getString("oauth_token_secret", null);
					if (token != null && secret != null)
						StartMainScreen();
					else 
						StartLogIn();
	                finish();
	            }
	        }, SPLASH_TIME_OUT);
	        
	}		
	
	@Override
	protected void onStart() {
		// TODO Auto-generated method stub
		super.onStart();
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.main, menu);
		return true;
	}

	private void StartMainScreen() {
		// TODO Auto-generated method stub
		finish();
		Intent intent = new Intent(this, MainScreen.class);
		startActivity(intent);
		overridePendingTransition( R.anim.slide_in_left, R.anim.slide_out_left );
	}
	
	public void StartLogIn(){
		finish();
		Intent intent = new Intent(this, LoginActivity.class);
		startActivity(intent);
		overridePendingTransition( R.anim.slide_in_left, R.anim.slide_out_left );
	}
	
	@Override
	protected void onPause() {
		// TODO Auto-generated method stub
		super.onPause();
	}

	@Override
	protected void onRestart() {
		// TODO Auto-generated method stub
		super.onRestart();
	}

	@Override
	protected void onResume() {
		// TODO Auto-generated method stub
		super.onResume();
	}

	@Override
	protected void onStop(){
		super.onStop();
	}
	
	@Override
	public void onDestroy(){
		super.onDestroy();
	}
	
}