[update v3] MenuActivity.java

package notes.bapakkau;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.database.sqlite.SQLiteDatabase;

public class MenuActivity extends Activity {
	Button input, tampil, keluar, ganti;
	SQLiteDatabase db;
	Database sqlite;

	/** Called when the activity is first created. */
	@Override
	public void onCreate(Bundle savedInstanceState) {
	    super.onCreate(savedInstanceState);
	    setContentView(R.layout.menu);

	    input=(Button)findViewById(R.id.btninput);
	    tampil=(Button)findViewById(R.id.btntampil);
	    keluar=(Button)findViewById(R.id.btnkeluar);
	    ganti=(Button)findViewById(R.id.btnganti);
	    sqlite = new Database(this);
	    input.setOnClickListener(new OnClickListener() {

			public void onClick(View arg0) {
				Intent i=new Intent (getBaseContext(),InputActivity.class);
				startActivity(i);
			}
		});
	    tampil.setOnClickListener(new OnClickListener() {
			public void onClick(View arg0) {
				Intent i=new Intent (getBaseContext(),TampilActivity.class);
				startActivity(i);
			}
		});
	    keluar.setOnClickListener(new OnClickListener() {
	    	public void onClick(View arg0) {
	    		 MenuActivity.this.db = sqlite.getWritableDatabase();
	                db.execSQL("update login set status='keluar'");
	                startActivity(new Intent(getBaseContext(), LoginActivity.class));
	                finish();
			}
		});

	    ganti.setOnClickListener(new OnClickListener() {
			public void onClick(View arg0) {
				Intent i=new Intent (getBaseContext(),GantiActivity.class);
				startActivity(i);
			}
		});
	}
}