Android :: How To Change Tab By Clicking On Element INSIDE Tab?

Jun 18, 2010

Can someone please tell me how to change tab by clicking on element INSIDE the tab? I already tried it with global data.

Now when I'm trying to change tab in my ListActivity tab by clicking on one of the items it doesn't do anything and stays on the ListActivity tab. Perhaps I shouldn't use onResume() here. Basically I want to go to first tab when I click on one of the items in the list. Please help!

Android :: How to change tab by clicking on element INSIDE tab?


Android :: Make The Keyboard To Show? Without Need Of Clicking Inside Edit Text

May 26, 2010

I read few threads, I'm sorry but none of them works/answers the simple scenario of:

1. I popup a dialog.

2. The dialog have EditText on it.

3. I want the keyboard to show up (without the need of clicking inside the edit text).

I tried:

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

Then I tried both: CODE:.............


And: CODE:.............

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Android :: Way Dynamically Change Element Properties

Nov 2, 2010

I'm looking for a way to dynamically change an elements properties.

For example I want the user of my app to be able to enter a value within my program that will change android:layout_marginTop="blabla" to whatever I want. It doesn't specifically have to be that property, I want to be able to change any property of any element. Is there a way to do this?

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Android :: How To Change Point On Map By Clicking On Map?

Nov 3, 2010

I want to give my users oppertinty to choose destination. from the beginning it will already have a point on the map, and after that they can choose/change to another location if they want. how is it possible to change the point on the map, by clicking somewhere else on the map?

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Android : Change Item In Listview After Clicking?

Apr 10, 2010

I've created a rather complex layout for listview rows where only the first line is visible (the rest use android:visibility="hidden"). When an item is selected, I want all the invisible objects to appear (selected.setVisibility(1)) - checking first if I have to hide again the previous selection.

Here's the (simplified) code..

The problem is that this only retrieves the invisible items in the first Listview row. What's the way to access ListView rows and change 'em?

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Samsung Captivate :: Change Clicking Noise To Another Sound When Touch Screen?

Jul 20, 2010

Are u able to change the clicking noise to another sound when u touch the screen?

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Android :: Dynamically Change Text Color Of A TextView Inside A ListView

Nov 18, 2010

I'm trying to create a game lobby for a project, and I'd like the game's status text to be a different color: red for an "[IN PROGRESS]" game and green for a game that's "[Waiting for x players]". The ListView will be populated with data, and each ListView item will have a game ID and then immediately to the right of that the game's status.

Right now I'm essentially using the Hello ListView code to create my ListView.

(In constructor)

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

Then, I have a refresh button that obtains data from our database. It will get two Strings, one for the ID of the game, and the other for the status of the game. If the game status is 0, then it's still waiting for players. If the game status is 1, then the game has started. So, I create a gameItem to add to the gameList:

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

This is where I'm stuck. I don't really understand how I can alter the specific TextView when I create the gameItem or when I add that to the gameList. There isn't a way I can see of accessing the TextView's properties. I see how the text of the view is set (through the mapping of the strings to "line1" and "line2", but I don't know how to change any of the properties.

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Android : Layout - Change The Text Color Of The Textview Inside The Listview Dynamically

Oct 17, 2010

Can I modify android.R.layout.simple_list_item_1? For eg., I want to change the text color of the textview inside the listview dynamically. For this, I need to get to the textview and change its color.. How can I do that?

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Android :: ScrollView With Buttons Inside / No Response Until Second Click On Any Button Inside

Oct 30, 2010

I've been a couple of days trying to solve this thing but I can'f figure it out.The problem is, simple activity, with simple layout, ScrollView -> LinearLayout -> and a lot of buttons inside the layout (within the scroll content). Everything works just fine but one tricky thing. When I click a button let's say at the top of the scroll content and inmediatelly I scroll down to the bottom of the content and I click other button there, nothing happens until I click a second time and all come to normal again.This can be reproduced anytime and it's code independent (i've tried more than 20 scenarios). I've not much experience in android yet but looks like the scroll listener stops the onclick listener or something like that.

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Android :: ListView Inside LinearLayout Inside ScrollView

Jul 7, 2009

So I've been extremely frustrated by this for a long time now.I've posted before, but can't seem to find a good solution. My goal is to have something pretty much exactly like the installed application details page in the Android Market.I need a list of items displayed along with other content above the list, and would like the content above to scroll up along with the list (exactly like the application details does for the "My Review" and other descriptive info).Due to responses to my previous posts, I came to believe that it really wasn't possible to do this with a ListView.So rather than using a ListView, I refactored my code to use a simple LinearLayout and add individual View items to the list, thinking I could just set each View as clickable and add an OnClickListener to each View in the LinearLayout.That's not working at all though, and now I'm getting even more frustrated.If someone can help me get the OnClickListener working, then I think it'll work, but I do need a separator for the LinearLayout.How do I add a separator like the one used for ListView to my LinearLayout?

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Android :: Accessing An Element In Widget?

Apr 5, 2010

I'm using hierarchyviewer to look through a widget that I'm using. (TimePicker).

Now I can see that TimePicker contains id/decrement, id/increment and id/timepicker_input.

How do I get a reference to id/timepicker_input for example?

Tried my_picker.findViewWithTag("decrement"); but that returns null.

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Android :: Inject A <string> Element Into Another In XML?

Sep 15, 2010

I would like to know whether there is a way to insert/inject a <string> element defined in an XML file into another <string> element, doing that just with XML.

For example I could have:

<string name="author">Francesco</string>`

and I am looking for something like:

<string name="about_application">Author: @string/author</string>`

so that getString(R.string.about_application) would result in "Author: Francesco".

I know that I could combine the two elements in Java code using String.format(string, formatArgs)like for example:

<string name="author">Francesco</string>
<string name="about_application">Author: %1$s</string>`

and then in code use

String.format(getString(R.string.about_application), getString(R.string.author))

but I would like to do it in XML directly. Can anyone suggest me a way to do it?

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Android :: ClassCastException Using - View - Element

Mar 16, 2010

I'm sure there's a simple answer to this, but...Why can't I nest another view type within a View element? In my layout file I try:

CODE:...

And this gives me a ClassCastException. Why?

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Android :: Flashing Element In ArrayAdapter

Sep 12, 2010

I have an ArrayAdapter in my activity, and when a certain event occur, I'd like to make a specific element flash, or have it highlighted in some way for a couple of seconds. Is there a way to do that?

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Android :: Access To Element On Another Activity?

Aug 5, 2010

I have a TabActivity with two tabs-activities — FirstActivity and SecondActivity.

How can I access to any element (for example, change TextView's text) on FirstActivity from SecondActivity?

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Android :: Updating Single ListView Element?

Mar 29, 2010

In the application I am working on now I came up with the following problem. I have list view which is displaying items with images in most cases it will be different image for different items (thumbnails about 60x60 pixels). So the problem is how can I handle image processing for the view. For know I have the following variants:

1. I can cache all bitmaps and when I try to display view I get bitmap from cache synchronously and display it. The problem is that 60x60=3600x4=14kb per bitmap which is waste of resources.

2. When I need to display view I can register event to some thread to decode the associated bitmap which will decode it in background and than to update gui. This sounds good for me the scrolling is still smooth because all image processing is done in background. Updating list view is bit jerky for now I am doing it view notifyDataSetChanged which is updating all visible views although I can update thumbnail for a single item.

So question one is is there better way the update single listview element than calling notifyDataSetChanged.

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Android :: No Element Found. And It Won't Generate R.java Because Of It.

Nov 20, 2010

I am getting a parsing error and I do not know why (I am new to programing). Because of this error, R.java disappears and I end up having more errors. Hopefully someone can help me out. Here is where the error comes from: list.xml. Code...

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Android :: Defining A Shape Xml Element In Drawable?

Dec 23, 2009

I dropped the following into the drawable directory in my Android 1.5 project: Code...

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Android :: Scroll Listview To Focus Particular Element?

Jan 30, 2009

I'm trying to scroll my ListView (from an Activity) to a particular element in the list. I know it's position in the list. How is this possible?

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Android :: R Java File Not Updating With UI Element's Id

Mar 21, 2010

I added some UI elements to the main.xml file in the reslayout folder and when I try to access them through the call, R . layout. my _ uielement, the UI element that I created is not there. Even when I add a new xml file with UI elements, it still doesn't show up in the R.layout class. I have made checked the ids on them and they have the correct format (I think): android:id="@+id/my_button". What could be the problem? Do I need to compile the code first? UPDATE: I have already tried adb kill-server then adb start-server. It doesn't seem to help. I have also tried R.id.my_uielement, it doesn't register either.

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Android :: Scaling Web Page In WebView Element

Nov 30, 2009

I'm loading a URL into a WebView and I'm having difficulty setting the "scale" of the web-page. Specifically, the web-page is too big (800x600) for the screen, so my thought is to use "setInitialScale(50)" to reduce the size. Here is some sample code that doesn't work (i.e. the web-page doesn't scale to 50%)

WebView wv = (WebView)findViewById(R.id.webview);
wv.loadUrl("http://www.example.com/android/symptom");
wv.setInitialScale(50);
I also tried switching the order of the function calls but I get the same result¦i.e.,
WebView wv = (WebView)findViewById(R.id.webview); wv.setInitialScale(50); wv.loadUrl("http://www.example.com/android/symptom");

As an alternative, I have tried to use the "zoomOut()" function like this:
WebView wv = (WebView)findViewById(R.id.webview);
wv.loadUrl("http://www.example.com/android/symptom"); wv.zoomOut();
This approach works for a split second, and then the image reverts to its original size.

Here is my content view:
<?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="fill_parent"> <WebView android:id="@+id/webview"
android:layout_width="fill_parent" android:layout_height="fill_parent" /> </LinearLayout>

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Android :: Single Ui Element Instance Across The Application?

Jul 29, 2010

I have created a custom component and i want it to be singleton in my application and i want all actvities my application to have this custom component which is singleton.

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Android :: Possible To Have A Single Ui Element Instance Across Application

Jul 29, 2010

It doesnt seem possible, all code I've looked at from Google applications repeats the common portions of activity display in all layout files.

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Android :: Find Out The New Element In EditText View

Jul 31, 2010

I want to execute one method wheneer i enter number in EditText view.But i did not change the focus of EditText.I am stay in the same EditText when i enter a new number automatically i eant to execute one function.Now my question is how we find that event that means enter a new number in EditText

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Android :: Get Line Number An Xml Element Is On Via Java W3c Dom Api?

Apr 30, 2010

Is there a way to lookup the line number that a given element is at in an xml file via the w3c dom api?

My use case for this is that we have 30,000+ maps in kml/xml format. I wrote a unit test that iterates over each file found on the hard drive (about 17GB worth) and tests that it is parseable by our application. When it fails I throw an exception that contains the element instance that was considered "invalid". In order for our mapping department (nobody here knows how to program) to easily track down the typo we would like to log the line number of the element that caused the exception.

Can anybody suggest a way to do this? Please note we are using the W3C dom api included in the Android 1.6 SDK.

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Android :: Declare A Custom Droid UI Element Using XML?

Apr 23, 2010

How do I declare an Android UI element using XML?

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Android :: ListView : Automatically Scroll To See An Element ?

Feb 19, 2009

I am facing a strange an issue that should simple to solve I suppose. I wonder how can I automatically scroll to see an element in a list view. Let's say I know that I want to see the element view number 6 in my list view, how do I scroll my list to see this element ?

I look at the API but without any success, just a word on where to look.

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Android :: Find ViewById() Id / List Element In Activity?

Aug 10, 2010

I'm trying to get the ListView by using the findViewById function, yet I'm unsure what I am trying to find or what to put. R.id.list does not work.

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Android :: How To Know Which Element Of List Is Selected When Long Click

Jan 22, 2009

I have a list using a customized BaseAdapter. When one element of the list is hit during a long time, a contextual menu appears. I want to use this one to delete or edit the selected item but I don't know how to get id or anything else that could help me.

I tried getListView.getSelectedItem() thinking that it will give me the object returned by the method getItem(int position) inherited in my customized BaseAdapter. I got null. When I tried getSelectedItemId(), I got -1.

Does someone have a solution?

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Android :: FindViewByID - Get View Of A TextView Through A Listener Of Another UI Element?

Sep 9, 2010

This is going to be a bit lame question. I have the following code:

CODE:.....

I have a TextView in my xml layout file. I'd like to get it and change my text when I click this button.
But I can't get it (the TextView) unless I make it as a value of a static member of this class and pass it to the constructor. I believe I am missing a big point here, so i'd be very thankful if you could explain how this is meant to be done ?

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