Android :: ListActivity Subclass - OnListItemClick Never Called?

Aug 1, 2010

I don't think this problem is caused from my ListActivity subclass. I think it has something to do with with my BaseAdapter subclass:

package com.mohit.gtodo;
import com.mohit.gtodo.database.TasksDBAdapter;
import android.content.Context;
import android.database.Cursor;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CheckBox;
import android.widget.CursorAdapter;
import android.widget.TextView;............................

Android :: ListActivity subclass - OnListItemClick never called?


Android :: ListActivity And OnListItemClick - How To Get Work

Apr 10, 2010

I am having trouble figuring out how to get my onListItemClick to work. Here is my code. package list.view;...................

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Android :: ListActivity OnListItemClick Not Being Invoked

Sep 18, 2009

Scoured the docs and forums, couldn't find an answer or reason why this is happening: I have a class that extends ListActivity and a View coming from XML for each row that looks like this:

<LinearLayout ...> <TextView ... /> <TextView ... />
<CheckBox ... /> </LinearLayout>

When I click on one of the items in the list, the onListItemClick() i have in my activity is not invoked. Turns out, if I comment out the CheckBox node in my layout xml, it works. I feel like there is a simple explanation that I don't know about.. maybe because CheckBox is an actual interactive widget it's overriding some click action or something?

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Android :: Get The State Of Checkbox In OnListItemClick In Listactivity?

Oct 21, 2010

f my list has 10 items.. the onclick listener is fired only for the 10th item. How to get the state of checkbox in a onListItemClick in Listactivity? I have a class OnItemClickListener like this:

private class OnItemClickListener implements OnClickListener {
private int mPosition;
public OnItemClickListener(int position) {
mPosition = position;
}
@Override.....................

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Android :: How To Get State Of Checkbox In OnListItemClick In Listactivity

Oct 18, 2010

Android ListView. if my list has 10 items.. the onclick listener is fired only for the 10th item.
How to get the state of checkbox in a onListItemClick in Listactivity?

I have a class OnItemClickListener like this:

CODE:.....

And I use this class like this in my getview()repeat_chbt.setOnClickListener(new OnItemClickListener(position));

But only when I check the last item's checkbox, it go A correctly. Other items' checkbox are checked they just go B.

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Android :: Add Checkbox To A ListActivity And Not Lose OnListItemClick Functionality?

Aug 31, 2010

I have a ListActivity working as expected. When a list item is clicked the app responds properly. I want to add a checkbox on the far right side of the screen, next to each list item. When I attempted to do that by updating the XML (see below) I lost the onListItemClick functionality. When I clicked on a list item nothing happened.code...

I am trying to add the checkbox next to the tvProduct object.

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Android :: App.Application Subclass - OnTerminate Is Not Being Called

Mar 19, 2010

From the documentation for android.app.Application:

"Base class for those who need to maintain global application state"

I am using my own subclass to maintain an object that I'm using to query a server. Also from the documentation:

"onTerminate() Called when the application is stopping."

However, onTerminate() in my class is never called. I press the back button while viewing my main activity, and everything seems to shut down. My main Activity's onDestroy() method is called and isFinishing() returns true, but my android.app.Application's onTerminate() method is never called.

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Android :: Subclass Of View Constructor Not Being Called

Jun 6, 2010

I'm subclassing Android's view class, but whenever I make an instance of the view from another class, the constructor never gets called (or so it seems). I've implemented both public myclass (Context context) and public myclass (Context context, AttributeSet, attrs) I can't figure out what I'm doing wrong. Do I need to override onDraw and onMeasure?

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Android :: Mouse OnListItemClick() Is Not Being Called

Jan 11, 2010

i've tried displaying a simple list in ListActivity, it is working fine but the problem i got is with the listener.. when i click on any of the list item using the mouse onListItemClick() is not being called, strangely it is working fine with the key-up&key-down keys...................

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Android :: Why OnListItemClick() Not Getting Called Back

Jul 16, 2010

I have a ListActivty and I overload the onListItemClick(ListView listView, View view, int position, long id) in my List Activity. My question is why onListItemClick() not getting called back (i have breakpoint in my debugger) when I have an ImageButton in my list item view (the one view created by my list adaptor from cursor)?

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Android :: StartActivity From Subclass?

May 15, 2009

I have a Activity and I have a class which extends this Activity. In this subclass I call:

startActivity(new Intent(this, CameraView.class))

Which should start the "CameraView" Activity. However, I always get this error:

CODE:...........

If it makes any difference the subclass creates a ListView and when a row of the ListView is clicked it calls startActivity();

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Android :: StartActivity() In A Subclass Of Dialog?

Nov 24, 2010

I have one subclass which extends Dialog class, it seems I can not use startActivity() function to start a new Activity in this subclass which extends Dialog class, how to resolve it?

How to start a new Activity in a Dialog subclass? (In my customized dialog subclass, I have one button, when pressed, I would like to have a new Activity start).

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Android :: Subclass Of ArrayAdapter Not Working

Nov 4, 2009

I have subclassed ArrayAdapter to set the color of text to RED if the string does not contain 100%, this has been added to a ListView. The problem is that some of the rows show as red when they contain 100%.

CODE:.....................

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Android :: Application Subclass Constantly Generates Forceclose

Nov 16, 2010

I've found a example on this site on how to make a subclass of the application for android.

I've created this code

package mensand.test;
class TestApp extends android.app.Application { }

Added this line to the manifest

android:name="mensand.test.TestApp"

And when i run the app it's starts with a force close message.

When i remove the line from the manifest all runs ok

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Android :: Multiple Intents In A ListView Populated Via Subclass

Jun 2, 2010

I have a ListActivity which is being filled via an internal class "OrderAdapter" - while the list is being populated I set various OnClickListeners on the TextView elements which should open the same view with different parameter values per line. My problem I have is that no matter which entry in the list I click I will always get to a view with the same parameter ID (it's always the ID of the last line in the list) - even though the output of the ID varies if I output it to the TextView.

Here is the code of the internal class which populates the list in the ListActivity:

CODE:.............

Any ideas why it always opens the view with the same ID even though the TextView "tvCheatTitle" displays a different value in every line?

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Android :: How To Access Protected Fields From View Subclass?

Apr 19, 2010

I'm implementing custom widget exdending a View class. But I've found that View's protected field (e.g. mLeft) is not accessible from subClass

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Android :: Test OnLowMemory Function Of Application Subclass?

Jun 11, 2010

I have put some instructions in onLowMemory() callback and want to test the same. Is there a "direct" way to test onLowMemory function of the application subclass?

Or will I have to just overload the phone by starting many apps and doing memory intensive tasks?

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Android :: Manually Set Preferences Being Overwritten By A Subclass Of PreferenceActivity

Mar 16, 2010

I am having a problem with an application I am in the middle of writing which is causing me some serious headaches.

The situation is this:

The application allows the user to configure several different kinds of information in several activities.

One of the activities, which is a subclass of Activity, takes data from the user and stores it in a shared preferences instance that I create manually and edit in code. This activity requires a complex screen layout that I do not believe would work well with a PreferenceActivity, hence me rolling my own in this case.

Another one of the activities, which is a subclass of PreferenceActivity, is a straight forward list of preferences, each with a list options - standard stuff.

I am finding that any data that I store from the first activity, my bespoke preference screen which manually adds the data using a StoredPreferences.Editor instance is overwritten once the user selects an option in my activity that extends PreferenceActivity.

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Android :: ClassCastException When Casting Custom View Subclass

May 23, 2010

I've run into an early problem with developing for android. I've made my own custom View (which works well). In the beginning i just added it to the layout programmatically, but i figured i could try putting it into the XML layout instead (for consistency).

So what i got is this:

main.xml:

CODE:..........

(Theres obviously more, but you get the point)

Now, this is the stacktrace:

CODE:...........

Why cant i cast my custom view? I need it to be that type since it has a few extra methods in it that i want to access. Should i restructure it and have another class handle the logic, and then just having the view being a view? I'd really like this to work though.

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Android :: Calling Superclass Method In Subclass Constructor

Apr 30, 2010

I get a NullPointerException calling a Superclass Method in Subclass Inner Class Constructor... What's the Deal?

In my application's main class (subclass of Application), I have a public inner class that simply contains 3 public string objects. In the parent class I declare an object of that inner class.

CODE:...................

After I instantiate the object in the constructor, I get a runtime error when I try to assign a value in the inner class with a superclass method.

Can you not call superclass methods in the subclass constructor?

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Android :: Android 1.5 - Asynctask DoInBackground Not Called / Method Called

Oct 26, 2010

I am running into an issue with the way my asynctasks are executed. Here's the problem code:

firstTask = new background().new FirstTask(context);
if(firstTask.execute().get().toString().equals("1"))
secondTask = new background().new SecondTask(context);

What I'm doing here is creating a new asynctask object, assigning it to firstTask and then executing it. I then want to fire off a separate asynctask when the first one is done and making sure it returns a success value (1 in this case). This works perfectly on Android 2.0 and up. However, I am testing with Android 1.5 and problems start popping up. The code above will run the first asynctask but doInBackground() is never called despite onPreExecute() being called. If I am to execute the first task without the get() method, doInBackground() is called and everything works as expected. Except now I do not have a way to determine if the first task completed successfully so that I can tell the second task to execute. Is it safe to assume that this is a bug with asynctask on Android 1.5? Especially since the API says that the get method has been implemented since API 3. Is there any way to fix this? Or another way to determine that the first task has finished?

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Android :: Static Variables Of An ApplicationContext Subclass Left Untouched When The Process Is Killed?

Sep 7, 2010

Do static variables of an ApplicationContext subclass left untouched when the process is killed?

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Android :: Get Value From ListView OnListItemClick?

Sep 11, 2010

i can add to a db and list as a listview. When I click a list item using onListItemClick, what statement do I need to get the value? ........................

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Android :: Not Getting Listview Onlistitemclick

Aug 1, 2009

I am beginer to the anroid ,i am using the below code for displaying listview and i am not able to getting the onlistitemclick events for further ui's. package com.List;

import android.app.Activity; import android.app.AlertDialog; import android.app.ListActivity; import android.content.ContentUris; import android.content.DialogInterface; import android.content.Intent; import android.content.DialogInterface.OnClickListener; import android.database.Cursor; import android.database.DataSetObserver; import android.os.Bundle; import android.provider.Contacts.People; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.ListAdapter; import android.widget.ListView; import android.widget.TextView; import............................

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Android :: Use Button.setonclicklistener And OnListItemClick

Nov 24, 2010

i want to use button.setonclicklistener and onListItemClick what i need to do

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Android :: OnListItemClick() Not Getting Invoked On Using CustomAdapter

Apr 12, 2010

I was trying to use a ListActivity which uses a custom Adapter. Every list element is a complex collection of objects which include buttons, checkboxes etc (which also have onClickListeners). Now, the problem is the onListItemClick is not even invoked when a list element is selected. I tried everything possible but am not able to get the selection. Using the trackball I am able to bring focus to the list elements, but am not able to get the call back. But, on touching, I am not even getting the focus. I tried these steps unsuccessfully to solve the problem. * Tried removing onClickListeners from the listElement Objects. * Tried making all the objects non-focussable, by modifying the XML (as suggested by Romain Guy).

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Android :: Confusion In OnItemClick And OnListItemClick

Sep 2, 2010

I am confused with two below method

1.) onItemClick(AdapterView<?> arg0, View view, int position,long id) 2.) onListItemClick(ListView l, View v, int position, long id)

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Android :: OnListItemClick And CheckedTextView Not Respoding

Feb 15, 2010

i got ListActivity, each item has 2 textviews image and CheckedTextView. i am trying to implement simple multichoiselist... i have two problems:

1.
@Override
protected void onListItemClick(android.widget.ListView l, View v,
int position, long id)
{
...
}

doesnt respond at all ive tried it with the debugger and when i press on any list item it doesnt stop there. and ive tried all kind of things (like focusable:false)............................

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Android :: OnListItemClick With Mulitple Value / Retrieving Value

May 22, 2010

I am trying to retrieve the 2nd value from a Arraylist/ArrayAdapter that I have populated. I am new to Array so please correct me if I am wrong

Q1. I created the Array Favorite. What I think what I created is an Array with two set of value call Detail | Value. example Detail="Yasmin",Value="8". Is this correct?

Q2. I have assign the Favorite Array to the mFavlist listview. During the OnItemClick I can return the label "Yasmin" by the position of the listview. What I would like to do is return the value of "8". What would be the best way to do this?

import java.util.ArrayList;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.AdapterView.OnItemClickListener;...................

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Android :: TextView And Button In Each Row And OnListItemClick()

Aug 31, 2010

I have a ListView with some elements on it. Each row has a TextView and a Button. It looks like this: | Some text in a row (Button) | Now, when I click on this text nothing happens. Simply no one function is called. But when I click on the button I can handle the event. I use onListItemClick() So what should I use instead of this TextView to be able to handle an event (when I click on the text)? Before this I had only one TextView in each row and when I was clicking on a row everything worked fine (onListItemClick() was called).

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