Android :: Change Value Of ExpandableListView's Cell On Click
May 4, 2010
I have the following problem: I would like to change value of ExpandableListView's cell on click. How should I do that?
Here is what I'm using:
CODE:............
Application is in progress stage, so attrVal will contain several attributes ( which can be put or not depend on some logic), so I'm using this type of adapter and this way of filling cells' data.
fieldsInList - external variable of LinkedHashMap type.
I have a function which can change one of the member's of fieldsInList variable. How should I notify my expListAdapter or ExpanableListView to be refreshed?
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Feb 2, 2010
Can any one please suggest me how to implement the long click (onItemLongClick()) for the Expandable list view?
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Feb 28, 2010
ExpandableListView has a setOnChildClickListener method, but lacks of setOnChild*Long*ClickListener method.
When I added setOnLongClickListener() on child view in getChildView(), whole sublist became completely unclickable (despite of parentView.setOnChildClickListener() present and working before).
How can I enable long clicks on child views?
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Oct 29, 2010
How can I change the fading orange color in ExpandableListView while scrolling?
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May 6, 2010
How to change default focusable color(Orange) of ExpandableListView in android
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Jan 6, 2010
I'm writing an android application that collects cell signal strengths.I am having trouble getting the "current" cell signal strength, but I don't have any problem getting the "neighboring" cell signal strengths.To get the current cell signal strength, I created a PhoneStateListener and implemented the onSignalStrengthChanged callback.It works, but not very well.It seems like the signal strength hardly ever changes, and resolution jumps to only a few numbers.I would accept the answer that the resolution of the signal strength hardware is coarse, but when I use the TelephonyManager's getNeighboringCellInfo() method, it works much better.The signal strength readings from neighboring cells change frequently, and they have much better resolution.So, how can I get the current cell signal strength in the same way that I am getting the neighboring cell strengths?It seems odd to me that the functionality of the neighboring cells is better than the current cell.
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Aug 20, 2010
I have been reading a lot of comments on how it is more lightweight to use views instead of intents in setContent when using tabs.
Since I will be creating an app with tabs, I am trying to implement this instead of having intents inside setContent. However, I am having a difficult time looking for examples or straightforward tutorials on swapping the current view with another one.
Say I have TAB_A, with some entry fields and a button. When the user clicks on the button, a TextView will display "Hello, user!" in the same TAB_A. Of course this is an oversimplified example, but it will surely point me in the right direction.
EDIT: I have a tab called TAB_A with a button in it. If the user clicks on that button, TAB_A will now display "Hello, user!" instead of the button.
Here is a sample of my TabSpec.
CODE:..............
Where ShowButton and ShowHello are classes both extending LinearLayout. Both are initialized in onCreate like this:
CODE:.............
When the app first starts, the user sees the view showButton. When the user clicks on the button, I want the tab to change its contents to showHello.
The question then is: Is there any way to update the contents of the tabspec without using startActivity?
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Jul 7, 2010
I have a TextView .
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Oct 16, 2009
I am developing an application that has a button whose color should change green color on focusing on the button and the color of button should change to red on clicking the button. I am using setBackgroundResource() in the onClick and onLongClick listeners. Though it changes the button color, it also changes the button shape by making it look like a rectangle.
How can this be solved?
I have used the below code to do the same:
CODE:..............
How can i achieve the functionality with out changing the shape of the button? how this functionality can be achieved?
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Nov 20, 2010
I am creating an android application in which uses tabs. There are three tabs which runs different activities. Activity which runs tab 1, has a button. I want to change content of Tab 1 by clicking on that button. But If I call another activity it doesn't start in tab1 but replaces tab.
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Dec 23, 2009
I am trying to make a button with background image. code...
I wanna make it would be different (shadow, brightness etc...) when user click or touches on the button.
You know standard buttons are changed color when focused or clicked.
I am trying to make like this.
How to make it?
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Nov 22, 2010
I have a list View in my app (this is the xml layout):
CODE:.............
Each item of my list View is composed of two TextView:
CODE:..............
I'm populating my listView from an ArrayAdapter, in this way:
CODE:..............
My goal is to be able to change the text color and the backgorund of these child views whenever the parent is selected or pressed.
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Apr 25, 2010
Total newbie here so please excuse the ignorance. Is there any way to change a setting to have the keyboard register an audible click when typing an email?
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Aug 19, 2012
i want to change image to another image or video by click ?
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Aug 8, 2012
II am having the code below. The thing is that right now the word changes to the left, center or right from the moment I click a RadioButton. I actually wants it to change only if I click the Generate button.
Code:
public class tutorialOne extends Activity implements OnCheckedChangeListener{
TextView textOut;
EditText textIn;
[Code].....
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Jan 6, 2010
I'm writing an android application that collects cell signal strengths. I am having trouble getting the "current" cell signal strength, but I don't have any problem getting the "neighboring" cell signal strengths. To get the current cell signal strength, I created a PhoneStateListener and implemented the onSignalStrengthChanged callback. It works, but not very well. It seems like the signal strength hardly ever changes, and resolution jumps to only a few numbers. I would accept the answer that the resolution of the signal strength hardware is coarse, but when I use the TelephonyManager's getNeighboringCellInfo() method, it works much better. The signal strength readings from neighboring cells change frequently, and they have much better resolution.So, how can I get the current cell signal strength in the same way that I am getting the neighboring cell strengths? It seems odd to me that the functionality of the neighboring cells is better than the current cell. Am I missing something here?I would also like to directly call a method from the telephony manager to get current cell strength, as opposed to a listener, if possible. If anyone knows how, please let me know.
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Oct 26, 2010
How can I turn off "Cell Standby"
Battery used by cell radio?
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Jun 9, 2010
Does this just mean I am in a bad cell zone? This is my reading at home and it is the top battery usage on the chart, followed by wifi at 24% (on because I am home), and phone idle at 23%.
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Sep 23, 2010
Is there a way to change the boot animation easy like the one click root method or a thread with easy detailed instructions if there is sorry i have not seen can u share the link .
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Apr 1, 2010
when I click on one item in the ListView that item's background changes to light gray, but when I continue to scroll through the list every 4th item has the background changed to light gray even though those other items have not been clicked. How do I make only the item I clicked be effected by the click?
ListView lv = (ListView) findViewById(R.id.resultsList);
lv.setAdapter(new ArrayAdapter(this, R.layout.resultitem, (String[])labelList.toArray(new String[labelList.size()])));
lv.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView parent, View view, int position, long id) {
TextView tv = (TextView)view.findViewById(R.id.result);
tv.setBackgroundColor(Color.LTGRAY);
tv.setTextColor(Color.BLACK);
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May 3, 2010
I have a ListView in my Activity. I am trying to catch both a click and a long click (which should bring up a context menu).
ListView lv = (ListView) findViewById(R.id.MyListView); ... lv.setOnItemClickListener(this); lv.setOnCreateContextMenuListener(this); ...
I notice that if I have both the click and long click listeners up, I won't ever get the long click listener (i.e. the context menu). If I remove the setOnItemClickListener() call, i get a call into
@Override public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
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May 31, 2010
I have just started my career as an android programmer, and am currently relying heavily on the sample code and api examples. I have been working with this api example, to produce an expandable list of items (note this example does not use the ExpadableListView).In playing with the example, I tried to add another widget that would become visible and be gone at the same time as the text (mDialogue in the sample code). This works well with another TextView, but as soon as I tried to add a button widget, it stopped working. The list would expand on first click, showing my hidden TextView and Button, but it will not disappear on further clicks. The button is however, clickable, and I was able to set up an onClick listener to change the button text back and forth.I'm starting to wonder, is it just not possible to have a clickable item inside a clickable list item? Or is there some kind of work around? Would it solve my problem if I used ExpandableListView?
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Dec 19, 2009
When I DL'd the GDE app, I accidentally set my stock droid "HOME" screen as the default screen when the popup box came up asking me to choose between stock Home and GDE. Now when I click on GDE and click the home button, it switches back to the stock Home screen. How to I switch the settings now to set the GDE app as the new home screen?
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Oct 27, 2010
I need to implement an xml parser and the parsed result into an expandablelistview.
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Jul 29, 2009
I have an expandable list view with a static array for the group data and an SQLite database for the child data. It is implemented with the BaseExpandableListAdapter and works great, except, when I edit the database to delete or add children to the list I do not see the changes onscreen. It looks like I can use the registerDataSetObserver method to notify the adapter and expandable list of a data change. What I have to do in the callback to make Android redraw the list after data changes is what I need to know. Can I do it? Documentation on this part of the SDK is a bit sparse and expandable list view example code is not a good match. Can anyone offer advice on how to use a DataSetObserver? It feels like I have to switch over to a Cursor type adapter.
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Dec 15, 2009
This is my ExpandableListView
CODE:..............
When I execute this in emulator, green(childDivider color) is all over the place.
It seems if childDivider is ColorDrawable, it has no bound.
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Mar 18, 2010
I have an ExpandableListView with several groups and each group contains several children. I want to make this list searchable, just like a regular list view. I have a SimpleCursorTreeAdapter (mAdapter) for this expandlable list.
I tried to use the built in list filter using:
CODE:.......
The above code does not work for filtering.
How can I implement the search/filter functionality?
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Sep 17, 2010
Is it possible to animate the expanding and collapsing of the groups in a ExpandableListView.
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Jun 17, 2009
I need a solution how to get the OnChildClick working for my ExpanableListActivity.
when starting of this project the Listener was working, but now i get nothing out of it?
i tried setting the listener through: "getExpandableListView().setOnChildClickListener(this);" at several point, but it isn't responding.
Here's the source code:
CODE:............
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Jul 18, 2010
I want to inflate a childView of ExpandableChildView component.
Code:.............
Where linearOpt is a vector that contains a lot of LinearLayout objects that I have instantiated.
CODE:..
This is R.layout.itemrow xml:
But I received this error:
CODE:.................
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