YvesBill

...

public class Splash extends Activity {

	   private static final int STOPSPLASH = 0;
          // Tempo impiegato dalla ImageView calcolato in millisecondi
	   private static final long SPLASHTIME = 3000;
	   private ImageView splash;

	   @Override

YvesBill

<LinearLayout 
   xmlns:android="http://schemas.android.com/apk/res/android"
   android:orientation="vertical" 
   android:layout_width="fill_parent"
   android:layout_height="fill_parent">
   <ImageView 
      android:id="@+id/splash" 
      android:layout_width="wrap_content"
      android:layout_height="fill_parent" 
      android:src="@drawable/ic_launcher"

YvesBill

public class MainActivity extends Activity {

    private DrawerLayout mDrawerLayout;
    private ListView mDrawerList;
    private ActionBarDrawerToggle mDrawerToggle;
    private CharSequence mDrawerTitle;
    private CharSequence mTitle;
    private String[] mGalaxyTitles;

    @Override

YvesBill

<TextView xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@android:id/text1"
     android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:textAppearance="?android:attr/textAppearanceListItemSmall"
    android:gravity="center_vertical"
    android:paddingLeft="16dp"
    android:paddingRight="16dp"
    android:textColor="#000"
    android:minHeight="?android:attr/listPreferredItemHeightSmall"/>

YvesBill

... 

@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		getMenuInflater().inflate(R.menu.main, menu);
		return true;
		}
	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
	    switch (item.getItemId()) {

YvesBill

  ....

    <item
        android:id="@+id/setting"
        android:orderInCategory="100"
        android:showAsAction="never"
        android:title="setting"/>
    <item
        android:id="@+id/about"
        android:orderInCategory="100"

YvesBill

......

// Settare il bottone, e il suo ID 
Button btnuno=(Button)findViewById(R.id.button1);    
	  

	        btnuno.setOnClickListener(new OnClickListener(){    
	                                       public void onClick(View arg0) {    
                                               // Settare l'intento al Click del bottone 
	                                       Intent openPage1 = new Intent(MainActivity.this,Page1.class);  

YvesBill

....

    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true"
        android:layout_marginLeft="99dp"
        android:layout_marginTop="79dp"

YvesBill

... 

  @Override
			public boolean onOptionsItemSelected(MenuItem item) {
			    switch (item.getItemId()) {

			    case R.id.alert:
			        alert();
			        return true;

YvesBill

              // Setta Action Bar
	        ActionBar actionbar = getActionBar();

              // Setta il titolo
	        actionbar.setTitle("Titolo");

              // Setta il sottotitolo 
	        actionbar.setSubtitle("Sottotitolo");

              // Setta una icona differente