StackOverflow2013

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plurals

PO
primarykey
Id
16071426
data
AcceptedAnswerId
0
AnswerCount
0
ClosedDate
CommentCount
2
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CreationDate
2013-04-17T22:35:37.680
FavoriteCount
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LastActivityDate
2013-04-17T22:47:09.237
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2013-04-17T22:47:09.237
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908608
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10461005
PostTypeId
2
Score
17
ViewCount
0
LastEditorDisplayName
text
Body
Well, I wrote this simple class. Just use it like this: <pre><code>// add any number of RadioButton resource IDs here GRadioGroup gr = new GRadioGroup(this, R.id.radioButton1, R.id.radioButton2, R.id.radioButton3); </code></pre> or <pre><code>GRadioGroup gr = new GRadioGroup(rb1, rb2, rb3); // where RadioButton rb1 = (RadioButton) findViewById(R.id.radioButton1); // etc. </code></pre> You can call it in onCreate() of Activity for example. No matter which <code>RadioButton</code> you click, the others will become unchecked. Also, no matters, if some of <code>RadioButtons</code> are inside of some <code>RadioGroup</code>, or not. Here's the class: <pre><code>package pl.infografnet.GClasses; import java.util.ArrayList; import java.util.List; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewParent; import android.widget.RadioButton; import android.widget.RadioGroup; public class GRadioGroup { List<RadioButton> radios = new ArrayList<RadioButton>(); /** * Constructor, which allows you to pass number of RadioButton instances, * making a group. * * @param radios * One RadioButton or more. */ public GRadioGroup(RadioButton... radios) { super(); for (RadioButton rb : radios) { this.radios.add(rb); rb.setOnClickListener(onClick); } } /** * Constructor, which allows you to pass number of RadioButtons * represented by resource IDs, making a group. * * @param activity * Current View (or Activity) to which those RadioButtons * belong. * @param radiosIDs * One RadioButton or more. */ public GRadioGroup(View activity, int... radiosIDs) { super(); for (int radioButtonID : radiosIDs) { RadioButton rb = (RadioButton)activity.findViewById(radioButtonID); if (rb != null) { this.radios.add(rb); rb.setOnClickListener(onClick); } } } /** * This occurs everytime when one of RadioButtons is clicked, * and deselects all others in the group. */ OnClickListener onClick = new OnClickListener() { @Override public void onClick(View v) { // let's deselect all radios in group for (RadioButton rb : radios) { ViewParent p = rb.getParent(); if (p.getClass().equals(RadioGroup.class)) { // if RadioButton belongs to RadioGroup, // then deselect all radios in it RadioGroup rg = (RadioGroup) p; rg.clearCheck(); } else { // if RadioButton DOES NOT belong to RadioGroup, // just deselect it rb.setChecked(false); } } // now let's select currently clicked RadioButton if (v.getClass().equals(RadioButton.class)) { RadioButton rb = (RadioButton) v; rb.setChecked(true); } } }; } </code></pre>
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1. POHow to group RadioButton from different LinearLayouts?
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1. PTAnswer
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1. USinfografnet
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1. USinfografnet
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1. CONice. If you replace RadioButton with the super class CompoundButton then it's even better, as you can then add any toggleable buttons (such as ToggleButton) to the group!
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 USNeromancer

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