ListView 内のアイテムをクリックして新しいアクティビティを開始できるかどうか疑問に思っていました。
私がこれまでに書いたコード：
package awad865.project.ContactManager1;
import java.util.ArrayList;
import java.util.List;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageButton;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.TextView;
import com.example.contactmanager1.R;
import android.widget.AdapterView;
public class MainActivity extends Activity {
private ListView listView;
private ImageButton button1;
private ImageButton button2;
private ImageButton button3;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
getActionBar().setDisplayShowTitleEnabled(false);
getActionBar().setDisplayShowHomeEnabled(false);
listView = (ListView)findViewById(R.id.main_contact_listview);
button1= (ImageButton)findViewById(R.id.button_search);
button2= (ImageButton)findViewById(R.id.button_addcontact);
button3= (ImageButton)findViewById(R.id.button_options);
setUpListView();
}
private void setUpListView(){
List <Contact> displayList = new ArrayList<Contact>();
displayList.add(new Contact("Anmol","Wadhwa","53743632"));
displayList.add(new Contact("Juhi","Goswami","4234232"));
displayList.add(new Contact("Laurence","Baldwick","243232"));
ListAdapter listAdapter = new CustomListAdapter(MainActivity.this,displayList);
listView.setAdapter(listAdapter);
}
private class CustomListAdapter extends ArrayAdapter<Contact>{
private Context _context;
private List<Contact> _contacts;
public CustomListAdapter(Context context, List<Contact> contacts){
super(context,android.R.layout.simple_list_item_1,contacts);
_context = context;
_contacts = contacts;
}
public View getView(int position, View convertView,ViewGroup parent){
//Create a layout inflater to inflate our xml layout for each item in the list
LayoutInflater inflater = (LayoutInflater) _context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
//Inflate the list item layout. Keep a reference to the inflated view.
//No root view specified
View listItemView = inflater.inflate(R.layout.custom_list_item_layout,null);
//Access TextView elements inside the view (note we must specify the parent view
//to look in)
TextView firstName = (TextView)listItemView.findViewById(R.id.list_item_firstname);
TextView lastName = (TextView)listItemView.findViewById(R.id.list_item_lastname);
TextView number = (TextView)listItemView.findViewById(R.id.list_item_number);
//Set the text for each textview (use the position arugment to find the appropriate element in the list)
firstName.setText(_contacts.get(position).getFirstName());
lastName.setText(_contacts.get(position).getLastName());
number.setText(_contacts.get(position).getNumber());
return listItemView;
}
}
public boolean onOptionsItemSelected(MenuItem item){
switch(item.getItemId()){
case R.id.action_groups:
Intent groupIntent = new Intent(this,Groups.class);
startActivity(groupIntent);
return true;
case R.id.action_favourites:
Intent favouriteIntent = new Intent(this,Favourites.class);
startActivity(favouriteIntent);
default:
return super.onOptionsItemSelected(item);
}
}
@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_activity_actions, menu);
return true;
}
public void addContact(View view){
Intent intent = new Intent(this,AddContact.class);
startActivity(intent);
}
}
class listItemClickedListener implements AdapterView.OnItemClickListener{
@Override
public void onItemClick(AdapterView<?> parentView, View clickedView, int clickedViewPosition, long id) {
// TODO Auto-generated method stub
Intent contactInfoIntent = new Intent(this, ContactInformation.class);
}
}
クラス listItemClickListener のメソッド onItemClick() 内で新しいアクティビティを開始できるかどうか疑問に思っていました。コンパイラは新しいインテントを開始することを許可していないため、助けていただければ幸いです。