Android :: Java - Set Color Of TextView By Function Getcolorss
Jun 17, 2010
I want to set the color of the TextView by the function getcolorss. I tried a lot of different ways but i cant get in it.
import java.awt.*;
import android.graphics.Color;
public class test extends Activity {
TextView text1 = (TextView) findViewById(R.id.text1);
text1.setTextColor(getcolorss(1));
public Color getcolorss(int x)
{
switch(x)
{
case 1: return Color.BLUE;
case 2: return Color.RED;
}
}}
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Feb 18, 2010
In android, when I press on a TextView, the text changes color (from white to grey). how can I disable that functionality?
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Aug 16, 2010
I do an import of the full package name / java file, and if I do a <classname>.<method>, SOMETIMES I can get it to access - other times I get a lot of can't use a static in a non static bunch of talk. I'll admit I'm new to Java, so what do I need to do? Call a class instance first, then call my methods? I'm rather confused by this, as I want to put all of my 'functions' into a FunctionsList.java file, and all of my main Activity (UI) into a MyActivity.java file.
For example:
<MyActivity.java>
import com.example.FunctionsList;
private class MyActivity extends Activity {
FunctionsList.function();
}
9/10 times I get that static/non-static error. If I put all of my functions into MyActivity.java, I have zero problems!
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Aug 8, 2010
In an Android app, I am looking for the functionality of the .NET string function [Trim('aaa')] which will trim off the text "aaa" off a string. I don't think this is natively available in Java and I haven't seen that functionality in Android Java textutil library. Is there an easy way to have a Java app trim a set of characters from the string?
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Sep 24, 2010
Here is my color XML
CODE:.............
Here is my Java code:
CODE:............
This works when I use Color.RED or Color.GREEN, but when I use my own colors. The color doesn't show up.
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Sep 8, 2010
In the string.xml file i use the following tag
<color name="mycolor1">#F5DC49</color>
if i use : textview1.setTextColor(Color.CYAN);
it works, But :textview1.setTextColor(R.color.mycolor1);
This is not working.how to use the color tag in android?
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Oct 8, 2010
I create a javascript function to generate the graph using RGraph.Now i want to send the data for the graph parameters from android java file.For that i want to access the script function in the android java file.Could anyone tell how to do that in android.
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Sep 28, 2010
in c, c++ , there are many memory-contorl-function like - memset,memcpy,sprintf i want to use those function in java what and how should i use?
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Nov 1, 2010
A while ago I tried to work out how to checksum a function at runtime. As I remember, I failed due to some missing functionality of the class loader from vanilla java. Has anyone managed to do this ?
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Jun 12, 2010
I'm very new to java and am working on my first Android app. I am using the webview demo as a template. I am trying to generate a random integer between 1 and 12 and then call a certain javascript function based on the result. Here's what I have:
int number = 1 + (int)(Math.random() * ((12 - 1) + 1));
number = (int) Math.floor(number);
String nextQuote = "javascript:wave" + number + "()";
mWebView.loadUrl(nextQuote);
So mWebView.loadUrl(nextQuote) will be the same as something like mWebView.loadUrl("javascript:wave1()") I just want to know if what I have here is correct and will work the way I think it will. The application isn't responding as expected and I suspect this bit of code is the culprit.
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Oct 14, 2010
I have a TextView that lives inside a LinearLayout. When I call LinearLayout.setSelected(false) the TextView text changes from white to black. Is there a way to set the unselected text color to something else?
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Aug 28, 2010
I'm attempting to change the background color of an Android TextView widget when the user touches it. I've created a selector for that purpose, which is stored in res/color/selector.xml and roughly looks like that:
CODE:................
The clickable attribute of the TextView is "true", in case that's of interest.
When I assign this selector to a TextView as android:background="@color/selector",
I'm getting the following exception at runtime: ERROR/AndroidRuntime(13130): Caused by: org.xmlpull.v1.XmlPullParserException: Binary XML file line #6: <item> tag requires a 'drawable' attribute or child tag defining a drawable
When I change the attribute to drawable, it works, but the result is looking completely wrong because the IDs appear to be interpreted as image references instead of color references (as the "drawable" suggests).
What confuses me is that I can set a color reference, e.g. "@color/black", as the background attribute directly. This is working as expected. Using selectors doesn't work.
I can also use the selector as the textColor without problems.
What's the correct way to apply a background-color-selector to a TextView in Android?
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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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Jan 31, 2010
can u tell me how to call a java script method from android activity...
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Nov 1, 2010
I am currently trying to integrate a live search functionality in android. I use a customized Autocomplete widget. The widget itself provides me with a threshold to only start a query after a certain amount of characters have been typed in. But what I also want is that a query only starts, say if a user has stopped typing for 2 seconds.
As I load my contents with a AsyncTask I tried blocking the doInBackground function by calling Thread.sleep() right at the beginning. If the user would then continue typing the program would look after an existing task, cancel it and start a new one. This was my idea. But it doesn't quite work the way I expected. Sometimes it sends out queries even if the user is still typing, sometimes queries are canceled after the users stopped typing. Do you have any ideas on this or maybe a better way to solve this? Here are the code snippets:.....................
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Aug 14, 2010
We are converting apps to Android from .NET
Is there a Java equivalent of the .NET Path.Combine() function?
Currently we check the / on each folder etc before building paths.
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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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Jul 16, 2010
I'm currently using something like: TextView.SetBackgroundColor(Color.WHITE); in my java code. I'd like to be able to add some transparancy to the textview through the java... This is easy to do in the XML via #AARRGGBB format, but I have not found a way to accomplish this programmatically.
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Dec 1, 2009
how to give background color to textview in android?
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Jul 19, 2010
Is it possible to set the color of just span of text in a TextView?
I would like to do something similar to the Twitter app, in which a part of the text is blue. See image below..
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Jun 24, 2010
Suppose i have one simple function in my program. Whenever i call that function does a new thread or process is spawned to execute the function or it is executed under the main thread memory space only.
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May 12, 2009
I made a webview.addjavascriptinterface(geo, "geo"); to access the geo class from javascript, and, in the html-javascript I write: --------- function successCallback(p){ document.write("helo"); }
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Feb 17, 2010
How can I retrieve the java script function value from a web page loaded withing a webview component?
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Nov 24, 2010
Is there any built-in function available in java for removing contents (ex: white space) between XML tags: <student> <name>miya</name> <number>12</number> </student> I want to convert the above document as: <student><name>miya</name><number>12</number></student> by removing the white space?
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Mar 16, 2010
I am trying to create an AppWidget, in which the background color of a TextView changes at random at specified periodic interval.
The TextView is defined in layout xml file as code...
But i am getting a widget saying problem loading widget. If i remove the above line everything works fine.
LogCat says: 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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May 14, 2010
I try to learn java for android devices. i have to create the update function. But still have one question: How?
in class root
public void update(){maindebug("update"); // This is my debug function}
public void run(){ while(isRunning){ // isRunning is a boolean variable
SystemClock.sleep(100);
update();}}
and inside onCreate run(); but it doesnt work.
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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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