Je souhaite povoir avrir une Activity selon l'item cliqué dans ma listview .voici mon code:

/* j'ai arriver d'afficher un toast, ... Merci pour votre aide*/
public class ImageTextListViewActivity<mainActivity> extends Activity
implements OnItemClickListener {

public static final String[] titles = new String[] { "Prix Web",
"Prix Local", "Informations", "Avis" };

public static final Integer[] images = { R.drawable.web,
R.drawable.local, R.drawable.info_icon, R.drawable.avis1 };


ListView listView;
List<RowItem> rowItems;

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

rowItems = new ArrayList<RowItem>();
for (int i = 0; i < titles.length; i++) {
RowItem item = new RowItem(images[i], titles[i]);
rowItems.add(item);
}

listView = (ListView) findViewById(R.id.list);
CustomListViewAdapter adapter = new CustomListViewAdapter(this,
R.layout.main1, rowItems);
listView.setAdapter(adapter);
listView.setOnItemClickListener(this);


}

public void onItemClick(AdapterView<?> parent, View view, int position, long id) {


Toast toast = Toast.makeText(getApplicationContext(),
"Item " + (position + 1) + ": " + rowItems.get(position),
Toast.LENGTH_SHORT);
toast.setGravity(Gravity.BOTTOM|Gravity.CENTER_HORIZONTAL, 0, 0);
toast.show();

}
}

à placer dans ton onItemClick

Code Java :

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Intent intent = null;
switch (position){
	case 1 :
		intent = new Intent(this, FirstActivity.class);
		break;
	case 2 :
		intent = new Intent(this, SecondActivity.class);
		break;
	case 3 :
		intent = new Intent(this, ThirdActivity.class);
		break;
}
if(intent!=null){
	startActivity(Intent);
}