Android :: How To Change TextView TextColor When Parent Is Focused
Oct 17, 2009
I have a TextView inside a LinearLayout. The LinearLayout is able to receive focus, and I want the textColor of the TextView to change when it does. I thought using a ColorStateList would work, but it would seem that the TextView does not receive focus when the LinearLayout does. I know that, because I have tried this code...
And nothing gets logged. I don't want to use an OnFocusChangeListener on the LinearLayout to change the textColor of the TextView, I think this has to be done from XML. The reason for that is because in another activity I have an ExpandableListView with a custom adapter and custom views and Android changes the textColors of the TextViews (from light to dark) inside my custom views when items are focused.
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Dec 14, 2009
I'm using ExpandableListView in my app and one of the complains is that when expanded it's hard to visually distinguish where the child item ends and next group item begins. So I would like to change background of the child list item to the different shade. Brutal attempts that I've made so far were based on directly changing background color and text of the elements inside the child view item but that leads to loss of hovers and highlights. So my question is - what is a good strategy to achieve the above? I tried styles and selectors but what really bums me out - that if I change one thing then I need to add selectors for all combinations of focus/enabled etc. when all I'm trying to do it to overwrite a single thing. Is there a way to inherit parent style and set just a background for non- focused, enabled child item?
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Aug 26, 2010
I am creating the custom textview i want to give black textcolor to this textview. how can i set textcolor. my code ...
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Sep 9, 2010
I have a textview, I set it as clickable and focusable - how do I get it to highlight to orange (like a button) when the user focuses it with the trackwheel etc? code...
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Jun 7, 2010
I have a trouble in TextSwitcher , there are simple code from the api demo. code...
i want change the textcolor or textsize whe i click the button, how can i do?
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Jul 14, 2010
Is it possible to change the text color of a textview if the textview is pressed?
I want to achieve a flashing effect with the color change only lasting as long as the button is pressed.
I know how to change the background of the textview with a selector list and the correct state but how can I change the color of text if the user pushes a button or a simple textview?
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Jul 15, 2010
I have a simple ExpandalbeList. For the group header view, I'm using a simple TextView, I am setting the background of the text to a drawable. I have the textview parameters set to FILL_PARENT, but the background of the TextView only covers the width of the text. I realize that I can put this all inside of a Linear Layout, but that just seems like a waste. isn't there a way to make the bounds of the text view stretch to the edge of the listview?
CODE:..........................
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Jul 24, 2010
It seems that a TextView inside a LinearLayout forces that LinearLayout to be larger. I am trying split my screen top 50% and bottom 50% and also the bottom 50% is split into 3 parts. So I did my weights 3 (for the top), and then 1, 1, 1 (for the bottom) for a total of 6.
Here is what it looks like. http://i.imgur.com/3FJSW.jpg
As soon as I take out the TextView inside the first LinearLayout the splits are proper. The moment I put the TextView inside the top LinearLayout the top LinerLayout gets larger by the amount of the the TextView.
Here is my code:
CODE:............................
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Oct 15, 2009
I have this custom layout:
- LinearLayout
- FrameLayout
- ImageView
- TextView
This layout reacts to click events (using LinearLayout.setOnClickListener()) and is made focusable using android:focusable="true" in the layout XML file. This all works fine if you're using the touchscreen, but I'm thinking about users who don't use the touchscreen that much and prefer navigation keys or maybe even don't have a touchscreen. These users won't be able to see when that ViewGroup is focused (although it can be focused using the keyboard).
My question is: how can I make a change in that layout when it is focused (I need to change the android:background of the ImageView)? I suppose I could use LinearLayout.setOnFocusChangeListener(), but I'm thinking maybe there's a better way, using just XML files.
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May 11, 2010
How can I create 3 equally wide TextView which fill parent across the screen? I tried doing this, but the width of the TextView are different: it is 149, 89, 89.
CODE:...................
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Aug 8, 2010
The layout xml is as below. I have a RelativeLayout, which contains a TextView. The OnClick listener is set on RelativeLayout. The RelativeLayout has a selector background. What I want is, when user clicks on the RelativeLayout, the background of the RelativeLayout should change, and the color of the text of the TextView should change too. Even though I set color selector for the TextView, only the selector on RelativeLayout works. The color selector on TextView doesn't work. How can I implement change of both RelativeLayout background and text color of TextView when user clicks the layout?
CODE:...................
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Mar 2, 2009
I am trying to get those nicely looking android list dividers above and below a TextView. This is how far I am. code...
The ImageView makes what I want - a scaled to fill the parent separator, but this is somewhat not an ideal solution. The android:drawable* in the TextView do not scale to fill the parent - any ideas how to achieve this?
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Nov 9, 2010
If I have a layout with lots of EditText views in a LinearLayout and the user focuses the third one down and flips out the keyboard to start typing, the entire layout is destroyed and recreated through the activity lifecycle. When everything is done, however, the third EditText is given focus again and the user never knows that anything happened and types away.
I am creating a similar layout, but due to the nature of my data, I have to dynamically create the list of EditTexts, mixed with some other views. The default layout has one EditText at the top, a ScrollView with a LinearLayout child (which will be filled with EditTexts later), and some action buttons at the bottom. I fill the LinearLayout with all the EditText fields I need (based on extras passed via intent).
This part works quite well, but the way the activty handles Runtime Configuration changes is broken now (from a UI perspective). Now if the user focuses the third EditText (which was dynamically created via new EditText()) and flips out the keyboard, the layout is destroyed and recreated, but focus is always given to the permanent EditText at the top of the screen.
Is there something I need to do when adding my dynamic views to make sure they can keep focus through orientation changes? is there a way I can work around the issue and force focus to be given to the last view that had it before the change?
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Nov 9, 2010
I have an activity with an EditText on top and a ScrollView with a LinearLayout inside it. The LinearLayout is populated in the onCreate method with a set of dynamic views based on an object passed with the initiating Intent. This is typically a set of EditTexts. The result is a list of EditTexts each corresponding to a different piece of data (and the dataset being edited is quite variable, so the list needs to be created dynamically like this).
The problem is, when one of these views has focus, and the orientation changes (say the user flips out the keyboard to type), the focus snaps to the EditText at the very top of the Activity. This is certainly undesired behavior as the user didn't intend to type in the top EditText when he/she flipped out the keyboard.
How can I dynamically create my list of views like this and not have this undesirable focus changing behavior?
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Nov 20, 2010
I have been asked to create an app to buy sell and advertise a product. I have chosen dvd's to keep it simple. Using the tutorials on the android developer site I have created 3 tabs one for PG films one for 15 and one for 18. Now in these tabs I want to have a button that then changes the content of the tab but keeps the tabs.
I have tried so many things and the only thing I have been able to do is start a new activity but that gets rid of the tabs :( and I have tried many other things been up all night trying to work this out. If someone could just point me in the right direction to how to go about this would be great. Is it even possible?
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Nov 7, 2010
At the moment my base style inherits from android:style/Theme.Light.NoTitleBar. Is there any way I can change it to inherit from Theme.Black.NoTitleBar in code? I notice apps like Handcent has a settings option to do this, but I can't quite figure out how to do this.
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Mar 18, 2010
I currently able to create a Medium size TextAppearanceSpan, But how can I set the text color to a specified RBG color (say #c71585)?
new TextAppearanceSpan(context, android.R.style.TextAppearance_Medium);
I see there is a constructor for
public TextAppearanceSpan(Context context, int appearance,
int colorList) {
But what is the int for colorList? Is there any example for this?
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Apr 12, 2010
I am trying to set "textColor" property of button in android 2.1. But I am unable to set it to correct value ? What is the correct way of setting "textColor" property of a button in android 2.1 ?
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Mar 16, 2010
I am trying to develop a simple application where users need to answer certain questions. I want that the textview should be changed dynamically in the same activity with sliding to left or right animation.
Can someone let me know how to do this?
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Jul 7, 2010
I have a TextView .
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Oct 27, 2010
I want to change color for CepVizyon.getPhoneCode()'s string... how can I do this??
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Jun 11, 2009
When changing screen orientation while running an Activity that has both a normal layout and a layout-land file defined (both of which contain a TextView), then that view loses its focus after being restored and a warning is issued on the log:
"Previously focused view reported id X during save, but can't be found during restore."
Is this a bug? I looked at the mID field of that view, and it's identical for both the portrait and the landscape layout.
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Sep 29, 2010
Actually, what I want is a textview which can show the progress of something, I know progressbar in android,however,so far as I know, it can not contain any text(am I right?), so, I want to change the background color of the textview to show progress,from left to right gradually.
Is there any other way to do this?
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Aug 12, 2010
Say for example I have a textview in class A,
and I want to change background color of textview from class B through a method...
how can I do it?
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Aug 14, 2010
I am making my TextView clickable and want the text to change as I click on it. So the TextView starts out saying "Al" and when its clicked I want it to change to say, let just say "Hi" for now. And then also go back when clicked again. Here is my code...
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Nov 9, 2011
I have two xml files one is having the listview and another is having the layout of the listview vth some texviews, I want to change the color of the textview in the second xml file. This is what i have done so far.
main1.xml:
Code:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:paddingTop="4px">
<ListView droid:id="@android:id/list"
[code]....
Code:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:padding="8px">
[code]....
I wanted to change the color of textview date which is storing in `R.id.total`.here the log cat is giving null for the value cl.....and gives me nullpointer exception...
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Feb 28, 2012
Into a layout I have a TextView
Code:
<TextView
android:id="@+id/text_routes_details_station_from_value"
android:layout_width="wrap_content"[code].....
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Feb 11, 2013
How I can change Textview periodically?I want to check a web page for a change.
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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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Nov 21, 2010
I am trying to make an android widget like the Google Voice Widget where users can go through an array of Strings which is retreived from the SQLite database. The problem is using global variables in the widget provider. I need to hold the index of the value they are currently on in order to pass it to the intents which are created when the left or right buttons are created. The variable is always returned as zero though.
CODE:..................
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