Android :: Way To Use CheckBox As Children In ExpandableList?

Jul 13, 2009

I would like to have expandable text categories which reveal children that are checkable entries. I've used the "simple_list_item_multiple_choice" layout for the childLayout argument of SimpleExpandableListAdapter.

Android :: Way to use CheckBox as children in ExpandableList?


Android : Keep Focus Highlight On ExpandableList Group

Apr 15, 2009

I'm using an ExpandableListActivity and notice that whenever I select a group item (to expand or collapse it), it highlights briefly and then quickly un-highlights.

For my application, I want the group items to remain highlighted. I've tried requestFocus() and several other things but nothing is working.

Anyone know how to keep a selected group item (after expand or collapse) highlighted and focused?

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Android : Remove Drop Icon In Expandablelist?

May 21, 2009

Is there anyway to remove the default drop down icon on ExpandableList?

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Android : Populate An ExpandableList With ArrayList Of Hashmaps?

Nov 7, 2010

Can anybody tell me how to populate an Expandable List with Array List of Hash maps. Actually i have made a tree Data structure and i want to use my Data Structure to populate the Expandable List....

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Android :: Create Expandablelist View Activity With Checkboxes?

Feb 11, 2010

now i dont know which event to implement to handle checkboxes in list when i click on checkbox it expands the list.... how to distinguish list click with checkbox placed in expandable list? or kindly refer me to tutorial same as expandablelist view with checkboxes.

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Android :: CheckBox Test - (CheckBox) FindViewById (R.id.test) - Returns Null

Mar 17, 2009

why CheckBox is always null.

<CheckBox id="@+id/checkbox" android:layout_width="wrap_content" android:layout_height="wrap_content" />
code file-
package com.reblogr.reblogrclient;
public class Test extends Activity { /** Called when the activity is first created. */
public CheckBox checkbox;
@Override public void onCreate(Bundle savedInstanceState) { ....................

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Android :: FrameLayout And Positioning Children

Jan 26, 2009

i'm in final stage of writing my custom widget (quite similar to Home's sliding panel). it works quite well except one thing: i have some problems with positioning it in FrameLayout (see 3 rightPanel* Panels in main.xml in attached eclipse project).basically i don't like the idea i'm using there: setting layout_marginTop in panelHandle children.

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Android :: How To Get All Children Views Of Layout?

Jul 9, 2010

Is there a way to get all the children views of a layout, from the Java code so that I can loop through them and set an attribute? Specifically, I'd like to set the "layout_width" based on the screen size. Since this "layout_width" would be the same for all the views, I'd prefer to loop through instead of calling each individual View separately by their id. The following is my main.xml:

<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/ android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="wrap_content">
<LinearLayout android:id="@+id/myRow1" android:orientation="horizontal" android:layout_width="fill_parent" android:layout_height="fill_parent" android:layout_weight="1"> <TextView android:text="1" android:layout_width="wrap_content"
android:layout_height="50dip" android:layout_weight="1"/>
<TextView android:text="2" android:layout_width="wrap_content"
android:layout_height="50dip" android:layout_weight="1"/>
<TextView android:text="3" android:layout_width="wrap_content"
android:layout_height="50dip" android:layout_weight="1"/>
<TextView android:text="4" android:layout_width="wrap_content"
android:layout_height="50dip" android:layout_weight="1"/>
<TextView android:text="5" android:layout_width="wrap_content"
android:layout_height="50dip" android:layout_weight="1"/>
<TextView android:text="6" android:layout_width="wrap_content"
android:layout_height="50dip" android:layout_weight="1"/>
</LinearLayout> </LinearLayout>

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Android :: How To Make Children Of Selectable Table Row

Sep 23, 2010

I'm making a image gallery with infinite vertical and horizontal scrolling. I put images inside a ListView to make a column, and put the ListViews inside a TableRow. However, it seems that child views of TableRow is not selectable and as a result I can't select the images in my ListView (easily). Is there a way to pass the events down to child views of TableRow so they can be selectable?

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Android :: How To Make Children Of Selectable TableRow

Sep 23, 2010

I'm making a image gallery with infinite vertical and horizontal scrolling. I put images inside a ListView to make a column, and put the ListViews inside a TableRow. However, it seems that child views of TableRow is not selectable and as a result I can't select the images in my ListView (easily). Is there a way to pass the events down to child views of TableRow so they can be selectable?

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Android :: Two Children For ScrollView Vertical Orientation?

Aug 10, 2010

I am trying to create a very simple application (part of my learning program), vertically oriented, with an EditText at the top that receives a URL, and two buttons side by side just below that say "Get Image" or "Get Text" depending on the URL typed in (.html vs. .png, for example). The resulting elements may be later scavanged for use in a real app. I know that ScrollView can have only one child. Conceptually, I want the rest of the screen to be a vertically oriented content region for displaying either the text (TextView) of the URL and "Get Text" was clicked or the image (ImageView) in the case where it was an image and "Get Image" was clicked. I tried to do this (pseudocode) in main.xml:

<LinearLayout> <EditText /> --where to type the URL
<Button /> --click to treat URL as text
<Button /> --click to treat URL as image
<FrameLayout> --(used to be ScrollView) <LinearLayout>
<TextView /> --content region occupied by either text
<ImageView /> --or an image (but not both)
</LinearLayout> </FrameLayout> </LinearLayout>

In order not to violate the single-child requirement. However, this doesn't work and for now I'm not finding any sample out there that clues me in to how best to accomplish this. The last complaint I got while debugging was:
Caused by: java.lang.ClassCastException: android.widget.TextView

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Android :: How To Access All Children Of Preference Screen ?

May 11, 2010

I'm trying to programmatically uncheck all the CheckBoxPreference children of a PreferenceScreen in my app. How can I do that?

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Android :: Scale A View Without Resizing Its Children?

Apr 2, 2009

I need to resize the height of a layout so i tried to apply a scale animation. The view is resized but its children are resized too. Is there a way to resize the layout without resizing its children?

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Android : Extending AdapterView - Getting Only 1 Level Of Children

Feb 16, 2009

I'm creating a custom widget that extends AdapterView. Imagine something like a ListView except that the list items can overlap each other with some transparency. Because of the overlap, I'm trying to control the layout and drawing order of the children.

My issue is that the control renders it's children, but ONLY one level deep. Each child is inflated from an XML resource that contains a FrameLayout and an ImageView. The FrameLayout draws, but the ImageView is never visible. I assume I need to call some method to tell the FrameLayout to layout or draw it's children, but I'm not sure what, why, or where. Does anyone know what I'm missing?

Here is the relevant code for my custom widget: Code...

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Android :: Drawing Children In Custom Linear Layout

Feb 9, 2010

I have a linear layout that I have overridden because I want to > dynamically add other views to it. I am trying to add some textviews > to it and I call addViewToLayout in the onLayout method. Can't you just add your views to the layout using addView()? I have one custom LinearLayout and this is what I do and it works fine. No need to override onLayout() or onDraw(). Maybe try that

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Android :: Custom ListView Selected Item Children?

Oct 27, 2010

I have a custom listview row that contains a number of textView components. Instead of the "standard" single text item, I have created a item where each listview row contains several bits of information. For this example, I have a record id, a name, and a description for each row in the listview. I have my listview populated via
this.mDbHelper = new RecordDBAdapter(this); this.mDbHelper.open();
Cursor c = this.mDbHelper.fetchAllRecords(); startManagingCursor(c);
String[] from = new String[] {RecordDBAdapter.ROW_ID, RecordDBAdapter.NAME,
RecordDBAdapter.DESCRIPTION};
int[] to = new int[] {R.id.recordId, R.id.lblName, R.id.lblDescription};
// Now create an array adapter and set it to display using our row
SimpleCursorAdapter records = new SimpleCursorAdapter(this, R.layout.record_row, c, from, to); this.list.setAdapter(dives);

Now what I want is to be able to access the recordId value within each clicked item. I've tried to follow the Android tutorials to no avail. They do something like
Object o = adapter.getItemAtPosition(position);
but that still doesn't help either. What I really want is to get the value of the recordId within each selected listItem. Does anyone know how this would be accomplished? Here is my onItemClick event:
protected OnItemClickListener onListItemClick = new OnItemClickListener() {
@Override public void onItemClick(AdapterView<?> adapter, View view, int position, long rowId) {
// My goal is either to grab the value of the
// recordId value from the textView, or from the adapter.
//Object o = adapter.getItemAtPosition(position);
//Tried this, no joy
Intent intent = new Intent(NeatActivity.this, SomeOtherActivity.class);
// intent.putExtra("selectedRecordId",val); //val here is a numerical record row id being passed to another activity.
startActivity(intent); } };

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Android :: Block Click - Focus On Layout And On All Children?

May 26, 2009

I was wondering if its possible to block the onclick events on a layout and all the children inside the layout.

for example, I have a LinearLayout and inside that I have buttons and an editText. At a certain point I don't want the user to click on the buttons or edit the text. Is there a way to block that? Do I have to do it for each view? or I can do it for a Layout? What is the best way to do this?

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Android :: ExpandableListView Displays Expand/Collpase Icon Even If There Are No Children

Nov 18, 2010

I have a ragged hierarchy of parents and children. In that there are some parents that have 5 children...and some parents have 0 children.

The expandableListView displays the "Expand/Collpase" icon even if there are no children.

Question-Is there a way to hide the icon for only those Parents(rows) that have no children? I still want to show the row of the Parents with no children. And allow a user to click on them. But the "Expand/Collapse" icon is confusing.

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Android :: Unable To Select Children (textview) Of TableRow Programmatically / Fix It?

Nov 2, 2010

I'm trying to access the textviews (for starters, eventually replace with imageviews etc) which are stored in the tablerows in the code below.

The line beginning 'log.d' was the part I was working on, trying to get it to print out the contents of the 2nd text view in the first row, but I can only get as far as selecting the tablerow using "getChildAt(i)".

Trying "getChildAt(0).getChildAt(1)" doesn't select the textview as I would have expected it to; says that it's a View and as such, doesn't have this method - though unless I'm mistaken, aren't tablerows ViewGroups, which do have this method? code...

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Android :: Linear Layout Focus And Children Change Foreground Color?

Nov 18, 2009

I have a LinearLayout with 2 text View as its children. How can I make the children of LinearLayout to change foreground color (in this case, the text color of the text view) when the linearlayout has focus?

<LinearLayout> <TextView android:id="@+id/name" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:textAppearance="?
android:attr/textAppearanceSmall" android:textColor="?android:attr/textColorInverse" />
<TextView android:id="@+id/value" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:textAppearance="?
android:attr/textAppearanceSmall" android:textColor="?android:attr/textColorInverse" />
</LinearLayout>

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Android :: Code To Create On Click Event For Children In Expandable List?

Aug 5, 2010

I am playing around with this example.
http://developer.android.com/resources/samples/ApiDemos/src/com/example/android/apis/view/ExpandableList2.html

I cannot figure out how to attach a listener to the children elements so that I can trigger some action when the user taps on the phone number.

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Android :: ListView - Making The Parent Expand To Show All Children When AddingListViews Within ListViews

Feb 9, 2010

Basically, I have a custom ListView in which each item looks like:

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

The ListView in each item is GONE by default and is set to VISIBLE when the button is clicked. Everything seems to work fine with the exception that when the ListView is long enough to scroll, it is just kind of truncated. http://img38.imageshack.us/img38/3269/listviewproblem.png

Is this a problem with the maximum height of an individual list item? Is there a way to force the list item to expand and force the child listview to expand to show all children?

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Android :: How To Make Listview With Selectable Children Stop Scrolling On Touch Event

Oct 20, 2009

As a work around to the issue where a list item isn't focusable if it has a focusable child item (a comment by Romain Guy was that this was intended behavior, for accessibility reasons) I simply filled the listItem with two children, each of which is focusable - There's nowhere to directly touch on the listItem anymore, just it's children.

For the most part this is a useable workaround, effectively invisible to the user, except for one thing- Although you can scroll by swiping without issue, touching to *stop* the scroll no longer works- I imagine because the child item is capturing the touch event and not passing it to the parent listitem, at least while the scroll is in effect.

Is there a known workaround for this? Perhaps someway to "pass the baton" of the touch event back up to the parent listItem, or a way to change my design?

BTW- I know there's some built-in functonality for single/multiple choice listviews (checkbox listviews) - That doesn't actually help in my case. The app is a contact list, and the row children are a relativelayout (populated with contact info) and a clickable phone icon (a one-touch dial for the contact), which needs to be visible or invisible depending on whether the stored contact has a phone number.

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Android :: Checkbox Not Getting Selected

Oct 8, 2010

I want to display list of items in my application and user will select checkbox which is present in front of each item. List is displayed well. It also shows checkbox infront of list item but when I click on checkBox it is not getting selected. My code is like this
.........................

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Android :: Get Smaller CheckBox?

Jul 1, 2010

Is it possible to get a smaller CheckBox, like the one used in Settings application? I'd like to use it in my own custom Preference class, to mimic Android UI more closely..

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Android :: How To Add A Checkbox In A Listview?

Mar 29, 2010

I have a question, been stuck for a while, i don't know how can i add a checkbox in the list, for example if I have a list of items i want to be able to check them. my XML code...

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Android :: Checkbox Does Not Appear In CheckedTextView / Way To Fix?

May 28, 2010

Here is how I setup my checked text view. How come no check box appeared?

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Android :: How To On ListView With Checkbox?

Aug 20, 2010

How do i on checkboxselected , show a toast that has data from database?

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Android :: How Do I Get Some Padding Around My Checkbox

Aug 10, 2010

I have a horizontal LinearLayout. This LinearLayout has a checkbox next to another LinearLayout. The layout width/height of the checkbox is wrap_content, whereas the inner LinearLayout is fill_parent/wrap_content. The layout_weight of the inner LinearLayout is set to 1.

I've tried to add some android:padding around the checkbox to give some space around it, but no padding is given. I've also tried android:paddingLeft/Right/etc. How do I get some padding around my checkbox?

Note: I have an inner LinearLayout because I will be adding more TextViews

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="?android:attr/listPreferredItemHeight">
<CheckBox
android:id="@+id/mycheck"
android:text=""
android:layout_width="30dip"
android:layout_height="wrap_content"
android:gravity="center_vertical"
android:focusable="false"
android:background="@drawable/checkbox_background"
android:button="@drawable/checkbox"
/>
<LinearLayout
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_weight="1"
android:layout_height="wrap_content">
<TextView
android:id="@+id/mytext"
android:layout_width="fill_parent"
android:layout_weight="1"
android:gravity="center_vertical"
android:layout_height="wrap_content"
android:lines="1"
android:textColor="@color/white"
android:textSize="10sp"
android:textStyle="italic"/>
</LinearLayout>
</LinearLayout>

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Android :: List And Checkbox ?

Jun 24, 2010

I have simple list to be filled in from the database along with a checkbox. I need a handle to all the checkboxes selected. Whn the CLEAR button is pressed at that point I need the row ids of all the selected check boxes to delete them. To do this :

My list.xml file looks like this :

CODE:......

and my data_entry.xml looks like this:

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

Now: I have list.java file where I am populating the list as follows:

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

Now where do i give the handle to the heckbox cause anywhere else it would give me a null exception as the data_entry contains the checkboxes. Plus I need a listener to handle the checkbox status?

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