Develop Reference

How to cast view to a custom layout in the onItemClick function of AdapterView.OnItemClickListener?

I'm new to Android. I want use a SimpleAdapter with a custom layout. Do I have store the original data and then use the id to access it? the view parameter should be something that I can use. But what is the proper way to do it?
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_section);
ListView listView = (ListView) findViewById(R.id.MyListView);
ArrayList<HashMap<String, String>> mylist = new ArrayList<HashMap<String, String>>();
for(int i=0;i<30;i++)
{
HashMap<String, String> map = new HashMap<String, String>();
map.put("ItemTitle", "This is Title.....");
map.put("ItemText", "This is text.....");
mylist.add(map);
}
SimpleAdapter mSchedule = new SimpleAdapter(this,
mylist,
R.layout.list_delegate,
new String[] {"ItemTitle", "ItemText"},
new int[] {R.id.ItemTitle,R.id.ItemText});
listView.setAdapter(mSchedule);
listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
#Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
// TODO Auto-generated method stub
Log.d(TAG, "clicked: " + view);
}
});
}
//simplified activity_section.xml
<LinearLayout
android:id="#+id/MyListItem">
<TextView
android:id="#+id/ItemTitle"/>
<TextView
android:id="#+id/ItemText"/>
</LinearLayout>

Use findViewById to access ItemTitle and ItemText from clicked row of ListView as:
String itemTitle = ((TextView)
view.findViewById(R.id.ItemTitle)).getText().toString();
Do same for accessing ItemText TextView value

android How to send listview item to another activity

I am trying to send row item from list view to another activity but maybe I do something wrong.
I made one app for food.
And I want when the user click to "First Activity" the list item from this listview to be send to "Second Activity" and when the user click to "Add to cart" the listview item go to Cart.class
But when I click to "Add to cart" the Activity is send me tо Cart.class but there have nothing.
In cart.xml I have listvew.
Sorry for my bad english
Thanks in advance.
First Activity.
public class UnderCal extends Activity {
String classes[] = {"Grilled chicken","Asiago","Spicy"};
int[] meal = new int[]{
R.drawable.grilledchicken,
R.drawable.asiago,
R.drawable.spicy
};
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
this.requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.under_menu);
final List<HashMap<String,String>> aList = new ArrayList<HashMap<String,String>>();
for(int i=0;i<3;i++){
HashMap<String, String> hm = new HashMap<String,String>();
hm.put("food", Integer.toString(meal[i]));
hm.put("txt", "" + classes[i]);
aList.add(hm);
}
// Keys used in Hashmap
String[] from = {"food","arrow","txt"};
// Ids of views in listview_layout
int[] to = { R.id.food,R.id.arrow,R.id.txt};
// Instantiating an adapter to store each items
// R.layout.listview_layout defines the layout of each item
SimpleAdapter adapter = new SimpleAdapter(getBaseContext(), aList, R.layout.list_layout, from, to);
// Getting a reference to listview of main.xml layout file
final ListView listView = ( ListView ) findViewById(R.id.mylist);
// Setting the adapter to the listView
listView.setAdapter(adapter);
listView.setDivider(new ColorDrawable(0xffffffff));
listView.setDividerHeight(1);
listView.setOnItemClickListener(new AdapterView.OnItemClickListener()
{
public void onItemClick(AdapterView<?> parent, View v, int position, long id)
{
if (position == 0)
{
Intent intent = new Intent(UnderCal.this,GrilledChicken.class);
// intent.putExtra("get", aList.get(position));
String result = (String) listView.getItemAtPosition(position).toString();
intent.putExtra("get",result);
startActivity(intent);
overridePendingTransition(R.anim.animation3, R.anim.animation4);
}
}
});
}
Second Activity.
public class GrilledChicken extends Activity {
Button butadd;
//HashMap<String, String> hm;
String list;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
this.requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.grilled_chicken);
//hash
// hm =(HashMap<String, String>)getIntent().getSerializableExtra("get");
Bundle extras = getIntent().getExtras();
list = extras.getString("get");
butadd=(Button) findViewById(R.id.butadd);
butadd.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
Intent intent = new Intent(GrilledChicken.this,Cart.class);
// intent.putExtra("hm",hm);
intent.putExtra("list",list);
intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
startActivity(intent);
}
});
Cart.class
public class Cart extends Activity {
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
//Remove title bar
this.requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.cart);
Bundle extras = getIntent().getExtras();
String pos = extras.getInt("list");
}
}

For get item from your listview you have to write following code.
String item = food.get(position).toString();
Write this on your Itemclick method

Put the following code in your Cart.class
Bundle extras = getIntent().getExtras();
String list_data = extras.getString("list");
Now list_data contains the data.
There is another way through which you can do the task also.
Create a separate Global Class
Global.class
public class Globalclass {
public static String list_data;
}
And then in your FirstActivity replace the following
intent.putExtra("get",result);
with
Globalclass.list_data=result;
Now you can access the list_dataanywhere like the following
String data=Globalclass.list_data;

Try this once I hope this will help you.
First of all do this in YourFirstActivity
listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
#Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
Intent intent = new Intent(getActivity(), YourSecondActivity.class);
YourModel yourModel = (YourModel) parent.getItemAtPosition(position);
intent.putExtra("yourModel", yourModel);
startActivity(intent);
}
});
At another Activity do this.
YourModel yourModel= (YourModel) getIntent().getSerializableExtra("yourModel");
From yourModel object you will get all the data of your ListView selected item of YourFirstActivity to YourSecondActivity.

Multiple Send ListView Item:-
ArrayList<String>checked11 = new ArrayList<String>();
SparseBooleanArray checked = listView1.getCheckedItemPositions();
final ArrayList<String> selectedItems = new ArrayList<String>();
for (int i = 0; i < checked.size(); i++) {
int position = checked.keyAt(i);
if (checked.get(i))
selectedItems.add(checked11.get(position));
}
String[] outputStrArr = new String[selectedItems.size()];
for (int i = 0; i < selectedItems.size(); i++) {
outputStrArr[i] = selectedItems.get(i);
}
use Bunddle :
Bundle bundle = new Bundle();
Intent intent = new Intent(getApplicationContext(),
OtherActivity.class);
bundle.putStringArray("selectedItems", outputStrArr);
intent.putExtra("screen2", "sub");
intent.putExtras(bundle);
intent.putExtra(EXTRA_RESPONSE, selected);
startActivity(intent);

checkbox in listview in android

In my code the assigned value comes through the server when assigned value is 1.
The checkbox value in listview should be checked while unchecked ...
and after load of listview if I try to check on already checked or change that state it shows an alert box
When I check rest of checkbox while scrolling its automatically unchecked..
boolean checked[];
ArrayList<HashMap<String, Object>> Arraymanagemember = new ArrayList<HashMap<String, Object>>();
ListView managelist = (ListView) findViewById(R.id.managememberlist);
final CheckBox cbox = (CheckBox) managelist.findViewById(R.id.usercheck);
for (int i = 0; i < array.length(); i++) {
HashMap<String, Object> membermap = new HashMap<String, Object>();
memberinfo[i] = array.getJSONObject(i).getString("username").toString();
assingedinf[i] = array.getJSONObject(i).getString("assigned").toString();
if (assingedinf[i].equals("1")) {
membermap.put("assign", true);
} else {
membermap.put("assign", isTaskRoot());
}
membermap.put("member", memberinfo[i]);
Arraymanagemember.add(i, membermap);
}
SimpleAdapter memberadp = new SimpleAdapter(
getApplicationContext(),
Arraymanagemember,
R.layout.managememberrow,
new String[]{"member", "assign"}, new int[]{R.id.manageuserinfo, R.id.usercheck}
);
managelist.setAdapter(memberadp);
managelist.setOnItemClickListener(new OnItemClickListener() {
#Override
public void onItemClick(
AdapterView<?> parent,
View arg1, int postion,
long arg3) {
if (assingedinf[postion].equals("1")) {
Toast.makeText(getApplicationContext(), "not run", Toast.LENGTH_SHORT).show();
}
}
}
});

Custom Array Adapter

I'm writing a news-app and I'm having some trouble with displaying a custom list. All I want is that list items have 2 TextViews in them:
News-Title and
News-Description
These are contained in 2 static arrays: homeScreen.title[] and homeScreen.descriptionLong[].
Lower you have my code for the HashMap and the Adapter:
final static ArrayList> data = new ArrayList>();
static{
HashMap<String, String> row = new HashMap<String, String>();
for (int i = 0; i<HomeScreen.arrayLength; i++){
row.put("Title", HomeScreen.title[i]);
row.put("Description", HomeScreen.descriptionLong[i]);
data.add(row);
}
}
SimpleAdapter adapter = new SimpleAdapter(this,
data,
R.layout.mainmenu,
new String[] {"Title", "Description"},
new int[] { R.id.textView1, R.id.textView2});
setListAdapter(adapter);
}
public void onItemClick(SimpleAdapter arg0, View arg1, int position,
long id) {
selectedNews = position;
Toast.makeText(getApplicationContext(), "This is: " + selectedNews, Toast.LENGTH_LONG).show();
Intent intent = new Intent(MainMenu.this, ReadNews.class);
startActivity(intent);
}
The problem I'm having is that it only displays my 20'th (last) news information and also the default OnItemClick isn't working anymore. I'd appreciate your help...

You should put the row instantiation inside the for loop:
for (int i = 0; i<HomeScreen.arrayLength; i++){
HashMap<String, String> row = new HashMap<String, String>();
row.put("Title", HomeScreen.title[i]);
row.put("Description", HomeScreen.descriptionLong[i]);
data.add(row);
}
Update:
Your OnItemClickListener registration should look something like this:
listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
#Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
// your code here
}
});

add a button in a listView

I want to add a button in every list item and when the user press it to make a phone call. But when the user press the text, nothing happens..is that possible? This is my code:
public class museum extends Activity {
/** Called when the activity is first created. */
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.museum);
ListView list = (ListView) findViewById(R.id.list);
ArrayList<HashMap<String, String>> mylist = new ArrayList<HashMap<String, String>>();
HashMap<String, String> map = new HashMap<String, String>();
map.put("name", "Archaeological Museum of Chania");
map.put("address", "Chalidon 21 , Chania");
mylist.add(map);
map = new HashMap<String, String>();
map.put("name", "Byzantine Museum");
map.put("address", "Theotokopoulou 82 , Chania");
mylist.add(map);
// ...
ListAdapter mSchedule = new SimpleAdapter(this, mylist, R.layout.row_museum,
new String[] {"name", "address"}, new int[] {R.id.TextView01, R.id.TextView02});
list.setAdapter(mSchedule);
list.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
switch( position )
{
case 0:
break;
case 1:
break;
case 2:
break;
case 3:
break;
}
}
});
}
}

Ya you can do. For that
You will have to create a layout file for the list row that contains the textview and the button.
Use that layout inside a customized ArrayAdapter.
See an eg in this site.

You must have a custom list adapter like the one given below.
public class CustomListAdapter extends BaseAdapter {
private ArrayList<SingleElementDetails> allElementDetails;
private Context con;
private LayoutInflater mInflater;
public CustomListAdapter(Context context, ArrayList<SingleElementDetails> results) {
allElementDetails = results;
mInflater = LayoutInflater.from(context);
con=context;
public View getView(int position, View convertView, ViewGroup parent)
{
convertView = mInflater.inflate(R.layout.listview1, null);
Button bt=(Button)convertView.findViewById(R.id.bt);
TextView textview1= (TextView) convertView.findViewById(R.id.dishname_entry);
TextView textview2 = (TextView) convertView.findViewById(R.id.category_entry);
TextView textview3=(TextView)convertView.findViewById(R.id.description_entry);
textview1.setText(allElementDetails.get(position).getDishName());
textview2.setText(allElementDetails.get(position).getCategory());
textview3.setText(allElementDetails.get(position).getDescription());
bt.setOnClickListener(new OnClickListener(){
public void onClick(View v) {
Intent intent=new Intent(con,MainActivity.class);
con.startActivity(intent);
}
});
return convertView;
}
}

you can use a Custom adapter like this:
ListView lv_ArchivePartylist;
ArrayList<Parties> select_archived_party;
lv_ArchivePartylist = (ListView)findViewById(R.id.archive_ListView01);
lv_ArchivePartylist.setOnItemClickListener(new OnItemClickListener()
{
#Override
public void onItemClick(AdapterView<?> parent, View view, int position,long id) {
// TODO Auto-generated method stub
if(view.findViewById(R.id.img_chkbox_archive).getVisibility()==TextView.GONE)
{
view.findViewById(R.id.img_chkbox_archive).setVisibility(TextView.VISIBLE);
Toast.makeText(ctx_archive, "Name="+archived_parties.get(position).getPartyTitle(), Toast.LENGTH_SHORT).show();
select_archived_party.add(archived_parties.get(position));
}
}
});
Then,instead of textview,use buttons and on that button's individual click event,you can write the code to make a call...Hope it helps:-)