Android :: ListActivity Mandatory For ListView
Dec 3, 2009
I am starting with ListActivity.
I saw apidemos and saw that it is based on ListActivity. My doubt is, in my first screen I need a few labels and texts under that a list. How to approach this ? I cant do a setContentlayut(R.id.main) if my activity extends ListActivity, no ?
more over I found the tutorial posted in the forums for ListActivity a bit outdated. Where is 1.5 / 1.6 based tutorials ? because I am new, it is taking too much time to correct 1.1 codes.
lastly, if i have a todo type appfor adding deleting and deleting, should i use 3 different layouts or activities ?
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Jun 30, 2009
I create a ListView in my activity and set its ChoiceMode to CHOICE_MODE_SINGLE, I also set its layout to simple_list_item_single_choice. But when i click on it onItemSelected() is never called and getCheckedItemPosition() returns -1. Why? the sample List10.java of ApiDemos uses ListActivity works well which just set the same as I done in my app. Any ideas?
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Jan 13, 2010
I want to create a custom list view in my application. I want it to lay over the top of the application screen, with portions of the screen not filled by the listview showing the underlying application. I've been reading about ListActivity, how it can be started to handle item selected callbacks. I've also read about people simply inserting onClick handlers into the listview as it is drawn. I'm trying to decide the best way to proceed. Is it "dirty" to attach onClick handlers to the rows of a listview? It doesn't seem like the best approach, for instance, it only handles Touch Mode, not the DPAD clicks. This approach doesn't seem like what the architects had in mind. On the other hand, I don't see a good way that I can start a list activity and still have access to all the application variables I need. Do I pass the application in the context and refer back to it from even handlers after casting the context back to it's original class?
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Feb 11, 2010
I'm new to Android, and I really need to do it this way (I've considered doing it in another Activity), but can anyone show me a simple code (just the onCreate method) that can do Listview without ListActivity?
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Jul 28, 2010
Actually the question in subject... How to configure ListView of ListActivity via xml, for example padding, dividerHeight etc...
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Aug 13, 2009
I have some problems when creating a ListActivity.
I have a listview and some other widgets and my listview is filled with a custom adapter.
You can see the images of this activity here:
http://www.grabup.com/uploads/ecd0d0eeb7b947e98b2e0d6c1be5478f.png?di...
Now the problem is. I have a scrollview and all the other views and widgets are placed inside of it. As you can see on the image, I don't see all of my 6 comments (that is the list). When i don't place the scrollview the height of the list is perfect (i have set android:layout_height to wrap_content (to my listview and parent LinearLayout). This is perfect but I have other widgets under the list and when the list reaches the bottom of the screen I can't to scroll to view my other widgets..
How can I fix this? I can set the height of the linearlayout manually but the problem is that the height doesnt has to be the same all the time (it loads the commens from my web service).. It has to fit the height of all the comments (like wrap_content normally does..)
Here is a part of the code with the layout and listview..
CODE:............................
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Nov 9, 2010
I have an application with various tabs (on a tabhost), each tab is an activity that extends activity, and haves some textfields and things on it
now i need that my tabs have inside a listview, but in the example from android developer guide says that you have to extend ListActivity and not Activity
basically i need to merge these two tutorials:
http://developer.android.com/resources/tutorials/views/hello-listview.html
http://developer.android.com/resources/tutorials/views/hello-tabwidget.html
i want to know how can i use a listview without extending listactivity on my class
someone knows? code...
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Aug 7, 2010
In Android, what functionality do ListActivity and ListView provide beyond a regular Activity and View?
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Oct 29, 2010
I can't seem to get a customized divider, using a Drawable I've defined, to work when using a ListActivity and not creating a custom ListView. It almost seems like when the VM creates its own ListView for me, with the ListActivity, it uses a theme with the default divider provided; and if I try to provide one, no dividers appear in the ListView at all.
I know that I can create a custom ListView using XML and define android:divider on that ListView, and this does recognize my custom divider Drawable. But I would prefer to just let the ListActivity create its own ListView, if I can figure out how to get my own divider working on it.
Here's the code I'm using now:
CODE:............
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Jul 14, 2009
Is it mandatory to provide this method inisde any .so library?
JNIEXPORT jint JNICALL JNI_OnLoad (JavaVM * vm, void * reserved) {return JNI_VERSION_1_6; }
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Jun 23, 2009
I learnt that there is a "recommended" minimum device requirements for Android device, however if I want to develop a device without five-way navigation key, is this allowed?
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Nov 25, 2010
Is there a way to rid/delete this Sprint VVM mandatory update message/icon that DOESNT WORK, thats in my status bar?
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Nov 6, 2010
Sprint mandatory update has screwed up my voice mail?
Today, got a pop up--mandatory update, voicemail to text crap.
After install,
1. Speakerphone on voicemail doesn't work.
2. Call back on voicemail doesn't work.
3. Get "Subscribe to Voicemail-to-Text" button.
Did these fools foul up my phone, or what? Solutions, other than gelignite at Sprint HQ ?
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Nov 24, 2010
I keep getting a message that a mandatory update is now available, but when I try to download it, I get a message stating "general failure. Please try again later." The phone is rooted, and I assume that this is what is causing the failure. So my questions are, what happens if I do not download the update, and what can I do to stop recieving the message? it seems to pop up everytime I recieve a text.
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Sep 21, 2010
This has probably been brought up a lot and beaten to death, but I felt compelled to make my own thread about this. I can't believe how much a factory reset helped me after installing Froyo.
I finally got around to doing it this past weekend and one word....WOW! Not only did it fix a ton of little bugs that I noticed, but it literally doubled (or more) my battery life.
I have the 2150 battery, but now I'm not sure I even need it anymore. I unplug my phone every morning during the week at about 8:00 am. After installing Froyo I was down in the 25-35% range by 3:00-4:00 pm every day. Causing me to recharge while I was at work just to make it through the night after work.
Since I did the factory reset I have been getting stellar (by the Incredible's standards) battery life. Yesterday I went to bed at 11:30 pm and I still had about 50% battery life left. Granted I didn't do a ton of stuff on my phone yesterday, but I still used it moderately.
As I'm typing this right now, it's almost 7:00 pm and I am at 51% battery life. But I did a lot more with my phone today.
Anyhow, I think a factory reset should be mandatory on this phone after installing Froyo! If anyone is on the fence, I HIGHLY recommend spending the time and doing it. It's well, well worth it.
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Oct 25, 2010
Anyone use Yahoo Mail's app today?
I was just hit with a message that says,
"In Order to continue using this app, you must download to version 1.2 of this app in order to continue"
then I have 'Install' and "Exit".
Is this common or a possible virus/bug?
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Nov 28, 2010
well at 4:16 pm EST 11-27 I got this message that tells me there is a "mandatory update"
I dont want to do it simply because it says "mandatory" where do they get off telling me that some update is mandatory and not even supply a change log or anything telling me what it is
I need to know what this is before I update in case it makes something suck or breaks something - this is why I hacked my Palm Pre because the webos updates screwed up something and I had to root it and edit some file to prevent the updates from happening, Palm didnt give you an choice, after a couple of times it would apply it anyways even if you didnt want it, I dont want this to happen here so do I have to root my epic just to prevent things like this?
I use google voice voicemail anyways so why do I even get this message
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Dec 1, 2010
Ok just got this "mandatory" voicemail notification from sprint.. My phone is NOT rooted, Nor does hit have the Android Update 2.1 that came out in May.. I hit download and it does it but when it goes to install it says 'error installing' and button for Retry... I've tried doing this several times.. Couple of questions .. Do I have to do this ? If I do do this will Sprint be charging me to use this ? Finally WHY am i getting this error? My phone has been fine since earlier in the year since I got it ..
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Aug 14, 2009
I saw almost all Android devices supported touch screen.Is touch screen an mandatory requirement for Android phone?Any risk if an Android phone got physical keypad only?
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Oct 26, 2009
I'm trying to create an application that has 3 tabs. Under the middle tab should be a ListView. It starts up fine (on the left tab) but when I click the middle tab it crashes.
The other two tabs are static data specified in the main.xml file. But the middle tab, I try to create dynamically. Here's the code from the main onCreate function:
CODE:...............
Instead I appear to get an exception:
CODE:...............
ContactListActivity is defined this way:
public class ContactListActivity extends ListActivity { ...
I get the feeling that I'm supposed to create the Intent with something like Intent.ACTION_VIEW but this is where I get lost. If this is the problem, I could try stuff until it works, but I'd prefer to understand why.
Or is ContactListActivity supposed to override something ?
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Feb 8, 2010
I have a problem with rotation, during my ListActivity is loading data from the network. To do it I use a background thread which recovers data and put them inside an ArrayList. While this thread works, there is Progress dialog activated in foreground. For the rotation I use the method with onRetainNonConfigurationInstance() to save my ArrayList's state. After android calls this method, I call dismiss() on the progress dialog on onStop(). Then the activity is created as new with onCreate(), but it use the getLastNonConfigurationInstance() to recover the ArrayList's state. Now, my problem. If I rotate from portrait to lanscape when the download is terminated and I see the data in portrait yet, everything is ok. If I rotate during progress dialog is showing I have two cases: 1- onRetainNonConfigurationInstance() saves the arraylist fully recovered, the thread terminates and everything is ok. 2- onRetainNonConfigurationInstance() saves the arraylist empty, i think the download isn't finished yet. The onCreate is called and my list is empty, the thread terminates, but i don't see anything in my list. If I am in this case and I still rotate from landscape to portrait now I can see my list full with all the data. Why? Where am I wrong?
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Jul 27, 2010
I know this may be a pretty simple question, but i am having problems trying to find what i am looking for. I have written an application that uses a listview activity. but now that i think more about it, i would like to have other items included to give the status of the app, etc that i just want to be displayed and not scrolled so it wont be entered into the database. does anyone have a good link to an example for this>
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Jan 11, 2010
I have an ListActivity that I wan't to add a logo to at the top above the list but I'm unsuccessful. This is what my layout looks like at the moment.
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="horizontal" android:layout_width="fill_parent" android:layout_height="fill_parent"> <ImageView android:id="@+id/logo" android:layout_width="fill_parent" android:layout_height="wrap_content" /> <ListView android:id="@android:id/list" android:layout_width="fill_parent" android:layout_height="fill_parent" android:drawSelectorOnTop="false"> </ListView> <TextView android:id="@+id/empty" android:layout_width="fill_parent" android:layout_height="fill_parent" android:text="@string/list_empty" /> </LinearLayout>
Then I add an drawable to the ImageView logo in onCreate. I've managed to show either the ListView or the ImageView but never both of them in the same LinearLayout. Is it possible to add other views together with a ListView?
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Sep 8, 2009
I am using a ListActivity. Each list entry contains an ImageView and a TextView. I have a huge list and has been getting Out of Memory errors once I scroll through a fair amount of them. I figured I need to reduce the size of the images but I am wondering what happens to the objects once the list entry is hidden from view (as i scroll down the list). I have read somewhere that the list entry objects are automatically re-use. But what happens to the drawable images which were loaded into the ImageView? IF the ImageView object is reused, what happens to the binary image? Are they freed automatically? How do I prevent the OutOfMemory exception? I want to do something similar like the Android Market. As one scroll downwards the images are loaded and new entries are loaded. The Markey can have a long list which one can scroll down and all the way back up again without any problem. The only difference being mine throws OutOfMemory Exception. Advice anyone?
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Dec 29, 2009
I have a list Activity 4 which i have extended the BaseAdapter and the getview looks like this.
public View getView(int position, View convertView, ViewGroup parent) {
View row=null;
for(int i=0;i<10; {
row = convertView;
if(row==null) {
LayoutInflater inflater = mContext.getLayoutInflater();
row = inflater.inflate(R.layout.parsed,null); }
TextView id = (TextView)row.findViewById(R.id.id);
id.setText(idvector.elementAt(position));
TextView photo = (TextView)row.findViewById(R.id.photo);....
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Feb 2, 2010
I am having a problem.I want to explain in detail. 1)I am Having an TabActivity with 5 tabs. I loaded content as follows.
CODE:............
And the Problem is If i want to start activity which is not specified in tabhost in above Java code,it is going out of tabactivity. ie.,It is not coming in tabactivity.
2)But i want to have all the activities under tabActivity.
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Sep 22, 2009
Problem to add an image in ListActivity...i took this code from
*http://commonsware.com/Android/excerpt.pdf* ..eventhough i m having problem...if i run it says The Application Stopped Unexpectedly.. try Again...i dont know the reason..can u tel anybody....pls point out the error in my code....
Here is my Code:
CODE:.....................
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Mar 7, 2010
I have the following setup, and the empty view text doesn't show up...
CODE:..............
The layout file is:
CODE:........
String is defined as: <string name="contact_empty_help">"You don't have any contacts to display.
To add contacts, you have to:
<li><font fgcolor="#ffffffff">Go to <b>Contacts</b></font> application to create new contacts
</li>
<li><font fgcolor="#ffffffff"><b>Import from VCF file</b></font>, this is available in Contacts menu, the file most be on the root of the SD card
</li>" </string>
Since the list is empty, it should show me the text defined. I followed the example from the List8
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May 16, 2010
I've been progressively expanding my UI, and I want to add a ListView in the middle of my UI. When I add it and change the activity to extend a ListActivity instead of just an Activity, I'm getting a Force Close. Using 1.5. Does a ListView not work embedded in a RelativeLayout?
CODE:.........
XML looks like this:
CODE:..........
And the listrow.xml:
CODE:.............
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Jul 18, 2010
When I call intent code...
where and how do I call registerOnSharedPreferenceChangeListener
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