Android :: Radio Button Selection Changes Toast
Apr 29, 2010
I was writing a simple test application. There are two radio buttons within the app. There id's are "radio_red" and "radio_blue". I wanted to create an onClickListener event that read the text associated to the button and then returned a basic "Right" or "Wrong" toast.So far no joy. Here is my code snippet. I've checked my "main.xml" and the text associated to the buttons are referneced correctly. I added trim to make sure of that. However, all that is ever returned in the toast is "none." What am I missing? Thanks in advance for any help.
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Sep 1, 2009
I'm trying to teach myself how to write android apps and I'm having trouble registering a button click and taking actions based on which radio button is selected at the time. This is a simple tip calculator:
import android.app.Activity;
import android.os.Bundle;
import android.widget.Button;
import android.widget.EditText;
import android.widget.RadioButton;
import android.widget.TextView;
import android.widget.RadioGroup;
import android.view.View;
public class TipCalc extends Activity implements RadioGroup.OnCheckedChangeListener,View.OnClickListener
{........................
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Aug 26, 2010
I am wanting to allow the user of my android application the ability to set some parameters. The radio button is ideal for this situation. However, I don't like the radio buttons are rendered. Is it possible to change the radio button icon? For example, is it possible to create a custom layout for each row and in that layout reference my own icon and change the font et al.
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Sep 16, 2010
As the title says, i have a Spinner with just a couple of options and a button. I didnt declared any Listener for the spinner, instead of that, what i want is use the button and perform different actions depending on the spinner selected option.
So, i declared a handler in the button option "android:onClick", but once there, i dont know how to access the option selected in the Spinner.
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Aug 4, 2009
I'm trying to use Spinner as a button with selection pop-up. Basically I want an icon and when user clicks it - the popup list is displayed and user can make a selection. The Spinner happily accepts icon image as drawable background. Unfortunately when I select a value the text overlays the background. Is it possible to set selection text color as a transparent? Or maybe there's a better way?
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Feb 8, 2010
When using setDuration for a Toast is it possible to set a custom length or at least something longer than Toast.LENGTH_LONG?
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Apr 26, 2010
I'm working on an android form with a radio group containing a set of radio buttons. From what I can tell there is no way to set the color a radio button highlights when you select it. It seems to always default to some bright green color. Is this something that is editable or no?
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Sep 9, 2009
How can you implement a RadioButtonPreference in android? Just like the CheckBoxPreference. Are there any workarounds?
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Mar 4, 2009
I was wondering how we could add objects such as textview and radio buttons to the activity through code and not the XML file and still have it run correctly. I tried adding a simple textview below but I got an error when I tried to run. Can any1 tell me how I could add the textview in correctly? import java.util.ArrayList; import android.app.Activity; import android.os.Bundle; import android.widget.ScrollView; import android.widget.TextView;public class Q_end extends Activity { /** Called when the activity is first created. */ private ArrayList<String> qs = new ArrayList<String>(10); private ArrayList<String[]> as = new ArrayList<String[]>(10); @Override public void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState); setContentView(R.layout.end_app); ScrollView we = (ScrollView) findViewById(R.id.viewer); String[] temp = new String[4]; temp[0] = "the"; temp[1] = "the1"; temp[2] = "the2"; temp[3] = "the3"; as.add(temp); String temp2 = "the rocks says"; qs.add(temp2); qs.add("the question is"); String[] temp3 = new String[1]; temp3[0] = " "; as.add(temp3); TextView gg = new TextView(null); gg.setText(qs.get(0)) we.addView(gg);
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Oct 27, 2010
i have a spinner with an arrayadapter that is dynamically managed. when it gets displayed, the spinner text also displays the radio button. how do i get rid of this radio button?
NOTE: i'm not talking about the radio buttons that appear in the list that is displayed when i select the drop down on the spinner.
here is a pic of what it looks like: SIGH cannot upload image as i don't have 10 pts. so i've found a link: http://www.slashresources.com/android-gui-examples/ scroll down about 1/2 way and find the spinner example on that page. and my spinner looks like the spinner thats grayed out by the list. notice how the drop down arrow is all strecthed and yucky... thats my problem.
Here are the appropriate code snippet... couple of points:
This code is in the constructor of widget which is a subclass of Spinner value is an array of Object instances (passed when the widget gets created) there are no XML resources; all widgets are dynamically created thinking i need to "manipulate" the prompt, i added setPrompt(...) in the constructor and also in the onitemclicked event listener... this had no effect.
Q: what am i missing? seems to me i'm missing some attribute of the Spinner which is causing the radio button to also display in the text part of the spinner.
-- snip code --
CODE:............
-- end snip code --
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Nov 19, 2010
I am New To android, My Requirement is to choose one Radio Button and going to that corresponding activity in Android?
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Mar 19, 2009
In my Android app, a Service runs in the background and logs GPS readings to a database. The user sees an Activity that presents them with radio buttons. I'd like to also log their currently selected radio button to the database. How can I access the radio button object from the Service?
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Jan 21, 2009
There was a similar post to this but used an activity and I am using a dialog. This is real simple code and it works int he APIDemo (which is where I pulled the code from to begin with). The dialog display just fine with the correct number of radio buttons, but the text for the buttons does not display UNLESS I press/select an item. Then once I let up on the selection it disapperas again. what in the world am I not getting?
return new AlertDialog.Builder(this) .setTitle(R.string.choose_location_in_list) .setSingleChoiceItems(R.array.select_add_location, 1, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { } }) .setPositiveButton(R.string.add_to_favs, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { } }) .setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { } }) .create();
my array looks like this,
<?xml version="1.0" encoding="utf-8"?> <resources> <string-array name="select_add_location"> <item>Add to Top</item> <item>Add to Bottom</item> <item>Add and Define</item> </string-array> </resources>
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Oct 30, 2009
How to create an alert dialog with radio button on the side?
I can create a dialog with 3 selection strings using AlertDialog.Builder, but how can I create the one with radio button on the side (i.e. allow only 1 selection)?
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Apr 13, 2010
I was wondering if there was a way to switch the side that text appears on a radio button in android?
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Aug 17, 2010
I am trying to build a custom toggle button in Android, I want it to look like radio button but function as toggle button.
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Jun 18, 2010
How can i retrieve the text of a dynamically created radio button
selected by the user? Here's my code...
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Jun 21, 2013
I can't find the xml liable in this.
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Jul 22, 2010
I have a radio button group in Android which looks something like: Choose Color:
Red
Blue
Orange
Green
I need to get selected radio button and also its value. I have 4 radiobuttons in this manner within radiogroup rg.........
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Nov 9, 2010
I have an app that uses radio buttons. The default for this button is set in the main.xml file, ie:
android:id="@+id/rb_sat1E"
android:checked="true"
In the Java file I have: final RadioButton radio1 = (RadioButton)findViewById(R.id.rb_sat1E); I have also created a 'Reset' button in the main Java file and can use the following code to reset TextView information ie. pos1_deg.setText("0.0"); But how do I reset a radio button? I would have thought it to be something like
radio1.setBoolean("TRUE");
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Sep 9, 2010
I currently have code that creates rows in a table that hold a string in column 1 with a RadioButton in column 2. There can be a variable number of these rows. That all works just great, but I want to add them to a RadioGroup so only one button can be toggled at a time. When I tried to add the dynamic RadioButton to the RadioGroup AFTER I added it to the table row, I got an error saying that the child (the RadioButton) already had a parent. I agree, it does have one, the TableRow.
can you have radio buttons tied to a radio group inside of a row or, should I just code my own toggle mechanism and avoid RadioGroup all together? I mean, I could code the onClick to unclick all other radio buttons, but I would rather not do this if I can use the build in RadioGroup.
<ScrollView
android:id="@+id/ScrollViewModifyGroups"
android:layout_width="fill_parent"
android:layout_height="fill_parent".............
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Mar 2, 2010
I have multiple radio buttons which I want to layout using a table but also include them in a single radio group. I have the following xml layout:
<RadioGroup android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:id="@+id/Group1">
<TableLayout android:id="@+id/RadioButtons"
android:layout_width="wrap_content".........
But unfortunately the radio buttons inside the table seem to ignore the fact that they're inside of the RadioGroup tags and because of this you can select more than one radio button at the time. I noticed that by removing the table and just having the radio buttons it works just fine. How can I overcome this? Would it be as simple as declaring the radio group inside of the table instead of outside?
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Jul 14, 2010
I turned on my Droid this morning to listen to MSNBC and I heard the last 5 minutes of Keith Obermann (5:55 am est) and then all of my news and talk channels disappeared! Channels like CNN, C-SPAN, MSNBC and NPR are all gone from my favorites and the channel line-up. There is nothing in the "News and Public Radio" category.
Has anyone else noticed this? I'm thinking this must be a temporary glitch but I would hate to lose all of these channels. If you have the Sirius/ XM radio app, would you please check this on your Droid?
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Sep 9, 2010
I currently have code that creates rows in a table that hold a string in column 1 with a RadioButton in column 2. There can be a variable number of these rows so I cannot just create it in the layout xml as radio1, radio2, etc. My code displays the table with the string and RadioButton pairs just great, but I want to add them to a RadioGroup so only one button can be toggled at a time.
When I tried to add the dynamic RadioButton to the RadioGroup AFTER I added it to the table row, I got an error saying that the child (the RadioButton) already had a parent. I agree, it does have one, the TableRow.
My question is, can you have radio buttons tied to a radio group inside of a row or, should I just code my own toggle mechanism and avoid RadioGroup all together? I mean, I could code the onClick to unclick all other radio buttons, but I would rather not do this if I can use the build in RadioGroup.
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Nov 10, 2009
I just got my Droid but I frequently use Pandora and Last.FM on my computer at work. Last.FM - Seems like the service has a better list of artists than Pandora so i switched to it on my PC recently. On Android the service is the same but as an app it tends to be open in the background all the time and suffers from not being able to pause (like the PC version). The scrobbling could be nice for some users and it links to the android player. Sound Quality seems excellent, best of the three so far. Pandora - Haven't gotten to use it too much because it takes so long to load my station. Sound Quality seemed fine with my limited use.
Slacker Radio - Has the most music options of the three and seems likes the best application. It has plenty of options like keeping the screen from freezing while plugged in and on wifi without having to change your phone settings. Had to stop listening from poor sound quality though! Sound Quality started ok but a bassy boom and click started appearing after a few songs, forced to switch to Last.FM.
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Nov 10, 2009
Does anyone have an idea when we will see one of these apps for android?
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Feb 28, 2010
Android supports recording from the mic to amr format in the 3gp container. On the upcoming HTC Desire or even current HTC Desire, suppose I'm listening to the lovely built in FM radio and I want to make a recording of a breakfast show; would that be possible? Is there a possiblity for an app to be created that could record the built in radio in this manner? What about recording in a better quality like mp3? Does Android need to provide API access to the output speakers or... I am not reffering to internet/streaming radio, this is about the built in FM radio found in the latest HTC smartphones.
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May 3, 2010
Depends on the size and gauge of the wire of your headphones. Also depends on the position of the wires. FM radio is a little picky, but works fine- depending on the points mentioned. Old & wrong: The FM radio on the Inc must be the weakest radio in a phone, evah! Just tried it today and picks up half the channels my Ngage and N900 pick up well. A lot of channels barely come in, or are static filled. I thought Steely Dan said "FM has no static at all"? Makes the CDMA radio seem not that bad, in comparison I know- at LEAST it has a radio. Must be set to suppa powwa savva mode
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Jul 22, 2010
What uses more battery, Wi-Fi radio or 3G Radio ? I'm using an Eris.
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Sep 11, 2010
By the above code i am able to get the Toast. Instead of Toast I want the Dialog to be appear after the alarm is set. Also I want to play the sound.
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