¿Cómo agrupar RadioButton de diferentes LinearLayouts?

Me preguntaba si es posible agrupar cada sencillo RadioButtonen un único RadioGroup manteniendo la misma estructura. Mi estructura se ve así:

• LinearLayout_main
  • LinearLayout_1
    • RadioButton1
  • LinearLayout_2
    • RadioButton2
  • LinearLayout_3
    • RadioButton3

Como puede ver, ahora cada uno RadioButtones hijo de diferentes LinearLayout. Intenté usar la estructura a continuación, pero no funciona:

• Radiogrupo
  • LinearLayout_main
    • LinearLayout_1
      • RadioButton1
    • LinearLayout_2
      • RadioButton2
    • LinearLayout_3
      • RadioButton3

Parece que la buena gente de Google / Android asume que cuando usa RadioButtons, no necesita la flexibilidad que viene con todos los demás aspectos del sistema de diseño / interfaz de usuario de Android. En pocas palabras: no quieren que anide diseños y botones de opción. Suspiro.

Así que tienes que solucionar el problema. Eso significa que debe implementar botones de opción por su cuenta.

Esto realmente no es demasiado difícil. En su onCreate (), configure sus RadioButtons con su propio onClick () para que cuando estén activados, configurenChecked (verdadero) y hagan lo contrario para los otros botones. Por ejemplo:

class FooActivity {

    RadioButton m_one, m_two, m_three;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        ...
        m_one = (RadioButton) findViewById(R.id.first_radio_button);
        m_two = (RadioButton) findViewById(R.id.second_radio_button);
        m_three = (RadioButton) findViewById(R.id.third_radio_button);

        m_one.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
                m_one.setChecked(true);
                m_two.setChecked(false);
                m_three.setChecked(false);
            }
        });

        m_two.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
                m_one.setChecked(false);
                m_two.setChecked(true);
                m_three.setChecked(false);
            }
        });

        m_three.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
                m_one.setChecked(false);
                m_two.setChecked(false);
                m_three.setChecked(true);
            }
        });

        ...     
    } // onCreate() 

}

Sí, lo sé, a la vieja usanza. Pero funciona. ¡Buena suerte!

Usa esta clase que creé. Encontrará todos los niños marcables en su jerarquía.

import java.util.ArrayList;

import android.content.Context;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Checkable;
import android.widget.LinearLayout;

public class MyRadioGroup extends LinearLayout {

private ArrayList<View> mCheckables = new ArrayList<View>();

public MyRadioGroup(Context context) {
    super(context);
}

public MyRadioGroup(Context context, AttributeSet attrs) {
    this(context, attrs, 0);
}

public MyRadioGroup(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);
}

@Override
public void addView(View child, int index,
        android.view.ViewGroup.LayoutParams params) {
    super.addView(child, index, params);
    parseChild(child);
}

public void parseChild(final View child)
{
    if(child instanceof Checkable)
    {
        mCheckables.add(child);
        child.setOnClickListener(new OnClickListener() {

            public void onClick(View v) {
                for(int i = 0; i < mCheckables.size();i++)
                {
                    Checkable view = (Checkable) mCheckables.get(i);
                    if(view == v)
                    {
                        ((Checkable)view).setChecked(true);
                    }
                    else
                    {
                        ((Checkable)view).setChecked(false);
                    }
                }
            }
        });
    }
    else if(child instanceof ViewGroup)
    {
        parseChildren((ViewGroup)child);
    }
}

public void parseChildren(final ViewGroup child)
{
    for (int i = 0; i < child.getChildCount();i++)
    {
        parseChild(child.getChildAt(i));
    }
}
}

Bueno, escribí esta clase sencilla.

Úselo así:

// add any number of RadioButton resource IDs here
GRadioGroup gr = new GRadioGroup(this, 
    R.id.radioButton1, R.id.radioButton2, R.id.radioButton3);

o

GRadioGroup gr = new GRadioGroup(rb1, rb2, rb3);
// where RadioButton rb1 = (RadioButton) findViewById(R.id.radioButton1);
// etc.

Puede llamarlo en onCreate () de Actividad, por ejemplo. No importa en qué RadioButtonhaga clic, los demás quedarán sin marcar. Además, no importa si algunos RadioButtonsestán dentro de otros RadioGroupo no.

Aquí está la clase:

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);
            }

        }
    };

}

Aquí está mi solución basada en la solución @lostdev y la implementación de RadioGroup. Es un RadioGroup modificado para trabajar con RadioButtons (u otros CompoundButtons) que están anidados dentro de diseños secundarios.

import android.content.Context;
import android.os.Build;
import android.support.annotation.IdRes;
import android.support.annotation.Nullable;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CompoundButton;
import android.widget.LinearLayout;
import android.widget.RadioButton;

import java.util.concurrent.atomic.AtomicInteger;

/**
 * This class is a replacement for android RadioGroup - it supports
 * child layouts which standard RadioGroup doesn't.
 */
public class RecursiveRadioGroup extends LinearLayout {

    public interface OnCheckedChangeListener {
        void onCheckedChanged(RecursiveRadioGroup group, @IdRes int checkedId);
    }

    /**
     * For generating unique view IDs on API < 17 with {@link #generateViewId()}.
     */
    private static final AtomicInteger sNextGeneratedId = new AtomicInteger(1);

    private CompoundButton checkedView;

    private CompoundButton.OnCheckedChangeListener childOnCheckedChangeListener;

    /**
     * When this flag is true, onCheckedChangeListener discards events.
     */
    private boolean mProtectFromCheckedChange = false;

    private OnCheckedChangeListener onCheckedChangeListener;

    private PassThroughHierarchyChangeListener mPassThroughListener;

    public RecursiveRadioGroup(Context context) {
        super(context);
        setOrientation(HORIZONTAL);
        init();
    }

    public RecursiveRadioGroup(Context context, @Nullable AttributeSet attrs) {
        super(context, attrs);
        init();
    }

    public RecursiveRadioGroup(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        init();
    }

    private void init() {
        childOnCheckedChangeListener = new CheckedStateTracker();
        mPassThroughListener = new PassThroughHierarchyChangeListener();

        super.setOnHierarchyChangeListener(mPassThroughListener);
    }

    @Override
    public void setOnHierarchyChangeListener(OnHierarchyChangeListener listener) {
        mPassThroughListener.mOnHierarchyChangeListener = listener;
    }

    @Override
    protected void onFinishInflate() {
        super.onFinishInflate();

        // checks the appropriate radio button as requested in the XML file
        if (checkedView != null) {
            mProtectFromCheckedChange = true;
            setCheckedStateForView(checkedView, true);
            mProtectFromCheckedChange = false;
            setCheckedView(checkedView);
        }
    }

    @Override
    public void addView(View child, int index, ViewGroup.LayoutParams params) {
        parseChild(child);

        super.addView(child, index, params);
    }

    private void parseChild(final View child) {
        if (child instanceof CompoundButton) {
            final CompoundButton checkable = (CompoundButton) child;

            if (checkable.isChecked()) {
                mProtectFromCheckedChange = true;
                if (checkedView != null) {
                    setCheckedStateForView(checkedView, false);
                }
                mProtectFromCheckedChange = false;
                setCheckedView(checkable);
            }
        } else if (child instanceof ViewGroup) {
            parseChildren((ViewGroup) child);
        }
    }

    private void parseChildren(final ViewGroup child) {
        for (int i = 0; i < child.getChildCount(); i++) {
            parseChild(child.getChildAt(i));
        }
    }

    /**
     * <p>Sets the selection to the radio button whose identifier is passed in
     * parameter. Using -1 as the selection identifier clears the selection;
     * such an operation is equivalent to invoking {@link #clearCheck()}.</p>
     *
     * @param view the radio button to select in this group
     * @see #getCheckedItemId()
     * @see #clearCheck()
     */
    public void check(CompoundButton view) {
        if(checkedView != null) {
            setCheckedStateForView(checkedView, false);
        }

        if(view != null) {
            setCheckedStateForView(view, true);
        }

        setCheckedView(view);
    }

    private void setCheckedView(CompoundButton view) {
        checkedView = view;

        if(onCheckedChangeListener != null) {
            onCheckedChangeListener.onCheckedChanged(this, checkedView.getId());
        }
    }

    private void setCheckedStateForView(View checkedView, boolean checked) {
        if (checkedView != null && checkedView instanceof CompoundButton) {
            ((CompoundButton) checkedView).setChecked(checked);
        }
    }

    /**
     * <p>Returns the identifier of the selected radio button in this group.
     * Upon empty selection, the returned value is -1.</p>
     *
     * @return the unique id of the selected radio button in this group
     * @attr ref android.R.styleable#RadioGroup_checkedButton
     * @see #check(CompoundButton)
     * @see #clearCheck()
     */
    @IdRes
    public int getCheckedItemId() {
        return checkedView.getId();
    }

    public CompoundButton getCheckedItem() {
        return checkedView;
    }

    /**
     * <p>Clears the selection. When the selection is cleared, no radio button
     * in this group is selected and {@link #getCheckedItemId()} returns
     * null.</p>
     *
     * @see #check(CompoundButton)
     * @see #getCheckedItemId()
     */
    public void clearCheck() {
        check(null);
    }

    /**
     * <p>Register a callback to be invoked when the checked radio button
     * changes in this group.</p>
     *
     * @param listener the callback to call on checked state change
     */
    public void setOnCheckedChangeListener(RecursiveRadioGroup.OnCheckedChangeListener listener) {
        onCheckedChangeListener = listener;
    }

    /**
     * Generate a value suitable for use in {@link #setId(int)}.
     * This value will not collide with ID values generated at build time by aapt for R.id.
     *
     * @return a generated ID value
     */
    public static int generateViewId() {
        for (; ; ) {
            final int result = sNextGeneratedId.get();
            // aapt-generated IDs have the high byte nonzero; clamp to the range under that.
            int newValue = result + 1;
            if (newValue > 0x00FFFFFF) newValue = 1; // Roll over to 1, not 0.
            if (sNextGeneratedId.compareAndSet(result, newValue)) {
                return result;
            }
        }
    }

    private class CheckedStateTracker implements CompoundButton.OnCheckedChangeListener {

        @Override
        public void onCheckedChanged(CompoundButton view, boolean b) {
            if (mProtectFromCheckedChange) {
                return;
            }

            mProtectFromCheckedChange = true;
            if (checkedView != null) {
                setCheckedStateForView(checkedView, false);
            }
            mProtectFromCheckedChange = false;

            int id = view.getId();
            setCheckedView(view);
        }
    }

    private class PassThroughHierarchyChangeListener implements OnHierarchyChangeListener {

        private OnHierarchyChangeListener mOnHierarchyChangeListener;

        @Override
        public void onChildViewAdded(View parent, View child) {
            if (child instanceof CompoundButton) {
                int id = child.getId();

                if (id == View.NO_ID) {
                    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) {
                        child.setId(generateViewId());
                    } else {
                        child.setId(View.generateViewId());
                    }
                }

                ((CompoundButton) child).setOnCheckedChangeListener(childOnCheckedChangeListener);

                if (mOnHierarchyChangeListener != null) {
                    mOnHierarchyChangeListener.onChildViewAdded(parent, child);
                }
            } else if(child instanceof ViewGroup) {
                // View hierarchy seems to be constructed from the bottom up,
                // so all child views are already added. That's why we
                // manually call the listener for all children of ViewGroup.
                for(int i = 0; i < ((ViewGroup) child).getChildCount(); i++) {
                    onChildViewAdded(child, ((ViewGroup) child).getChildAt(i));
                }
            }
        }

        @Override
        public void onChildViewRemoved(View parent, View child) {
            if (child instanceof RadioButton) {
                ((CompoundButton) child).setOnCheckedChangeListener(null);
            }

            if (mOnHierarchyChangeListener != null) {
                mOnHierarchyChangeListener.onChildViewRemoved(parent, child);
            }
        }
    }

}

Puede usarlo en su diseño de la misma manera que lo haría con un usuario regular, RadioGroupcon la excepción de que también funciona con RadioButtonvistas anidadas :

<RecursiveRadioGroup
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_marginTop="16dp"
    android:layout_marginBottom="16dp"
    android:layout_marginLeft="16dp"
    android:layout_marginRight="16dp"
    android:orientation="horizontal">

    <LinearLayout
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_weight="1"
        android:orientation="vertical">

        <RadioButton
            android:id="@+id/rbNotEnoughProfileInfo"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Not enough profile information"/>

        <RadioButton
            android:id="@+id/rbNotAGoodFit"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Not a good fit"/>

        <RadioButton
            android:id="@+id/rbDatesNoLongerAvailable"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Dates no longer available"/>

    </LinearLayout>

    <LinearLayout
        android:layout_width="0dp"
        android:layout_height="match_parent"
        android:layout_weight="1"
        android:orientation="vertical">

        <RadioButton
            android:id="@+id/rbOther"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="Other"/>

        <android.support.v7.widget.AppCompatEditText
            android:id="@+id/etReason"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_below="@+id/tvMessageError"
            android:textSize="15sp"
            android:gravity="top|left"
            android:hint="Tell us more"
            android:padding="16dp"
            android:background="@drawable/edit_text_multiline_background"/>
    </LinearLayout>

</RecursiveRadioGroup>

Esta solución no se ha publicado, por lo que se publica:

Paso 0: Cree una CompoundButton previousCheckedCompoundButton;variable global.

Paso 1: crear OnCheckedChangedListenerpara botones de opción

CompoundButton.OnCheckedChangeListener onRadioButtonCheckedListener = new CompoundButton.OnCheckedChangeListener() {
        @Override
        public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
            if (!isChecked) return;
            if (previousCheckedCompoundButton != null) {
                previousCheckedCompoundButton.setChecked(false);
                previousCheckedCompoundButton = buttonView;
            } else {
                previousCheckedCompoundButton = buttonView;
            }
        }
    };

Paso 3: agregue oyente a todos los botones de opción:

radioButton1.setOnCheckedChangeListener(onRadioButtonCheckedListener);
radioButton2.setOnCheckedChangeListener(onRadioButtonCheckedListener);
radioButton3.setOnCheckedChangeListener(onRadioButtonCheckedListener);
radioButton4.setOnCheckedChangeListener(onRadioButtonCheckedListener);

¡¡Eso es!! has terminado.

Suspiro .. Realmente culpo que Android carece de una funcionalidad tan básica.

Adaptado de la respuesta de @ScottBiggs, esta es la forma posiblemente más corta de hacerlo con Kotlin:

var currentSelected = button1
listOf<RadioButton>(
    button1, button2, button3, ...
).forEach {
    it.setOnClickListener { _ ->
        currentSelected.isChecked = false
        currentSelected = it
        currentSelected.isChecked = true
    }
}

Creé estos dos métodos para resolver este problema. Todo lo que tiene que hacer es pasar el ViewGroup donde están los RadioButtons (podría ser un RadioGroup, LinearLayout, RelativeLayout, etc.) y establece los eventos OnClick exclusivamente, es decir, siempre que uno de los RadioButtons que es un hijo del ViewGroup ( en cualquier nivel anidado) está seleccionado, los demás no están seleccionados. Funciona con tantos diseños anidados como desee.

public class Utils {
    public static void setRadioExclusiveClick(ViewGroup parent) {
        final List<RadioButton> radios = getRadioButtons(parent);

        for (RadioButton radio: radios) {
            radio.setOnClickListener(new OnClickListener() {

                @Override
                public void onClick(View v) {
                    RadioButton r = (RadioButton) v;
                    r.setChecked(true);
                    for (RadioButton r2:radios) {
                        if (r2.getId() != r.getId()) {
                            r2.setChecked(false);
                        }
                    }

                }
            });
        }
    }

    private static List<RadioButton> getRadioButtons(ViewGroup parent) {
        List<RadioButton> radios = new ArrayList<RadioButton>();
        for (int i=0;i < parent.getChildCount(); i++) {
            View v = parent.getChildAt(i);
            if (v instanceof RadioButton) {
                radios.add((RadioButton) v);
            } else if (v instanceof ViewGroup) {
                List<RadioButton> nestedRadios = getRadioButtons((ViewGroup) v);
                radios.addAll(nestedRadios);
            }
        }
        return radios;
    }
}

El uso dentro de una actividad sería así:

ViewGroup parent = findViewById(R.id.radios_parent);
Utils.setRadioExclusiveClick(parent);

Escribí mi propia clase de grupo de radio que permite contener botones de radio anidados. Echale un vistazo. Si encuentra errores, hágamelo saber.

import android.content.Context;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CompoundButton;
import android.widget.LinearLayout;

/**
 * This class is used to create a multiple-exclusion scope for a set of compound
 * buttons. Checking one compound button that belongs to a group unchecks any
 * previously checked compound button within the same group. Intially, all of
 * the compound buttons are unchecked. While it is not possible to uncheck a
 * particular compound button, the group can be cleared to remove the checked
 * state. Basically, this class extends functionality of
 * {@link android.widget.RadioGroup} because it doesn't require that compound
 * buttons are direct childs of the group. This means you can wrap compound
 * buttons with other views. <br>
 * <br>
 * 
 * <b>IMPORTATNT! Follow these instruction when using this class:</b><br>
 * 1. Each direct child of this group must contain one compound button or be
 * compound button itself.<br>
 * 2. Do not set any "on click" or "on checked changed" listeners for the childs
 * of this group.
 */
public class CompoundButtonsGroup extends LinearLayout {

 private View checkedView;
 private OnCheckedChangeListener listener;
 private OnHierarchyChangeListener onHierarchyChangeListener;

 private OnHierarchyChangeListener onHierarchyChangeListenerInternal = new OnHierarchyChangeListener() {

  @Override
  public final void onChildViewAdded(View parent, View child) {
   notifyHierarchyChanged(null);
   if (CompoundButtonsGroup.this.onHierarchyChangeListener != null) {
    CompoundButtonsGroup.this.onHierarchyChangeListener.onChildViewAdded(
      parent, child);
   }
  }

  @Override
  public final void onChildViewRemoved(View parent, View child) {
   notifyHierarchyChanged(child);
   if (CompoundButtonsGroup.this.onHierarchyChangeListener != null) {
    CompoundButtonsGroup.this.onHierarchyChangeListener.onChildViewRemoved(
      parent, child);
   }
  }
 };

 public CompoundButtonsGroup(Context context) {
  super(context);
  init();
 }

 public CompoundButtonsGroup(Context context, AttributeSet attrs) {
  super(context, attrs);
  init();
 }

 public CompoundButtonsGroup(Context context, AttributeSet attrs, int defStyle) {
  super(context, attrs, defStyle);
  init();
 }

 private void init() {
  super.setOnHierarchyChangeListener(this.onHierarchyChangeListenerInternal);
 }

 @Override
 public final void setOnHierarchyChangeListener(OnHierarchyChangeListener listener) {
  this.onHierarchyChangeListener = listener;
 }

 /**
  * Register a callback to be invoked when the checked view changes in this
  * group.
  * 
  * @param listener
  *            the callback to call on checked state change.
  */
 public void setOnCheckedChangeListener(OnCheckedChangeListener listener) {
  this.listener = listener;
 }

 /**
  * Returns currently selected view in this group. Upon empty selection, the
  * returned value is null.
  */
 public View getCheckedView() {
  return this.checkedView;
 }

 /**
  * Returns index of currently selected view in this group. Upon empty
  * selection, the returned value is -1.
  */
 public int getCheckedViewIndex() {
  return (this.checkedView != null) ? indexOfChild(this.checkedView) : -1;
 }

 /**
  * Sets the selection to the view whose index in group is passed in
  * parameter.
  * 
  * @param index
  *            the index of the view to select in this group.
  */
 public void check(int index) {
  check(getChildAt(index));
 }

 /**
  * Clears the selection. When the selection is cleared, no view in this
  * group is selected and {@link #getCheckedView()} returns null.
  */
 public void clearCheck() {
  if (this.checkedView != null) {
   findCompoundButton(this.checkedView).setChecked(false);
   this.checkedView = null;
   onCheckedChanged();
  }
 }

 private void onCheckedChanged() {
  if (this.listener != null) {
   this.listener.onCheckedChanged(this.checkedView);
  }
 }

 private void check(View child) {
  if (this.checkedView == null || !this.checkedView.equals(child)) {
   if (this.checkedView != null) {
    findCompoundButton(this.checkedView).setChecked(false);
   }

   CompoundButton comBtn = findCompoundButton(child);
   comBtn.setChecked(true);

   this.checkedView = child;
   onCheckedChanged();
  }
 }

 private void notifyHierarchyChanged(View removedView) {
  for (int i = 0; i < getChildCount(); i++) {
   View child = getChildAt(i);
   child.setOnClickListener(new OnClickListener() {

    @Override
    public void onClick(View v) {
     check(v);
    }
   });
   CompoundButton comBtn = findCompoundButton(child);
   comBtn.setClickable(comBtn.equals(child));
  }

  if (this.checkedView != null && removedView != null
    && this.checkedView.equals(removedView)) {
   clearCheck();
  }
 }

 private CompoundButton findCompoundButton(View view) {
  if (view instanceof CompoundButton) {
   return (CompoundButton) view;
  }

  if (view instanceof ViewGroup) {
   for (int i = 0; i < ((ViewGroup) view).getChildCount(); i++) {
    CompoundButton compoundBtn = findCompoundButton(((ViewGroup) view)
      .getChildAt(i));
    if (compoundBtn != null) {
     return compoundBtn;
    }
   }
  }

  return null;
 }

 /**
  * Interface definition for a callback to be invoked when the checked view
  * changed in this group.
  */
 public interface OnCheckedChangeListener {

  /**
   * Called when the checked view has changed.
   * 
   * @param checkedView
   *            newly checked view or null if selection was cleared in the
   *            group.
   */
  public void onCheckedChanged(View checkedView);
 }

}

Necesitas hacer dos cosas:

1. Utilizar mListView.setChoiceMode(ListView.CHOICE_MODE_SINGLE);
2. Implemente su vista de fila personalizada Checkable.

Entonces creo que la mejor solución es implementar Checkable dentro de su LinearLayout interno: (gracias a daichan4649, desde su enlace, https://gist.github.com/daichan4649/5245378 , tomé todo el código pegado a continuación)

CheckableLayout.java

package daichan4649.test;

import android.content.Context;
import android.util.AttributeSet;
import android.view.View;
import android.widget.Checkable;
import android.widget.LinearLayout;

public class CheckableLayout extends LinearLayout implements Checkable {

    private static final int[] CHECKED_STATE_SET = { android.R.attr.state_checked };

    public CheckableLayout(Context context) {
        super(context, null);
    }

    public CheckableLayout(Context context, AttributeSet attrs) {
        super(context, attrs, 0);
    }

    public CheckableLayout(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
    }

    private boolean checked;

    @Override
    public boolean isChecked() {
        return checked;
    }

    @Override
    public void setChecked(boolean checked) {
        if (this.checked != checked) {
            this.checked = checked;
            refreshDrawableState();

            for (int i = 0; i < getChildCount(); i++) {
                View child = getChildAt(i);
                if (child instanceof Checkable) {
                    ((Checkable) child).setChecked(checked);
                }
            }
        }
    }

    @Override
    public void toggle() {
        setChecked(!checked);
    }

    @Override
    protected int[] onCreateDrawableState(int extraSpace) {
        final int[] drawableState = super.onCreateDrawableState(extraSpace + 1);
        if (isChecked()) {
            mergeDrawableStates(drawableState, CHECKED_STATE_SET);
        }
        return drawableState;
    }
}

inflater_list_column.xml

<?xml version="1.0" encoding="utf-8"?>
<daichan4649.test.CheckableLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/check_area"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_gravity="center_vertical">

    <TextView
        android:id="@+id/text"
        android:layout_width="0dip"
        android:layout_height="wrap_content"
        android:layout_gravity="center_vertical"
        android:layout_weight="1"
        android:gravity="center_vertical" />

    <RadioButton
        android:id="@+id/radio"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:clickable="false"
        android:focusable="false"
        android:focusableInTouchMode="false" />

</daichan4649.test.CheckableLayout>

TestFragment.java

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {

    View view = inflater.inflate(R.layout.fragment_test, container, false);

    // 表示データ
    List<String> dataList = new ArrayList<String>();

    // 初期選択位置
    int initSelectedPosition = 3;

    // リスト設定
    TestAdapter adapter = new TestAdapter(getActivity(), dataList);
    ListView listView = (ListView) view.findViewById(R.id.list);
    listView.setAdapter(adapter);
    listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE);
    listView.setItemChecked(initSelectedPosition, true);

    listView.setOnItemClickListener(new OnItemClickListener() {
        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            // 選択状態を要素(checkable)へ反映
            Checkable child = (Checkable) parent.getChildAt(position);
            child.toggle();
        }
    });
    return view;
}

private static class TestAdapter extends ArrayAdapter<String> {

    private LayoutInflater inflater;

    public TestAdapter(Context context, List<String> dataList) {
        super(context, 0, dataList);
        inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        final ViewHolder holder;
        if (convertView == null) {
            convertView = inflater.inflate(R.layout.inflater_list_column, null);
            holder = new ViewHolder();
            holder.text = (TextView) convertView.findViewById(R.id.text);
            convertView.setTag(holder);
        } else {
            holder = (ViewHolder) convertView.getTag();
        }

        // bindData
        holder.text.setText(getItem(position));
        return convertView;
    }
}

private static class ViewHolder {
    TextView text;
}

Me he enfrentado al mismo problema porque quiero colocar 4 botones de radio diferentes en dos diseños lineales diferentes y estos diseños serán secundarios del grupo de radio. Para lograr el comportamiento deseado en RadioGroup, he sobrecargado la función addView

Aqui esta la solucion

public class AgentRadioGroup extends RadioGroup
{

    public AgentRadioGroup(Context context) {
        super(context);
    }

    public AgentRadioGroup(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    @Override
    public void onViewAdded(View child) {
        if( child instanceof ViewGroup)
        {
            ViewGroup viewGroup = (ViewGroup) child;
            for(int i=0; i<viewGroup.getChildCount(); i++)
            {
                View subChild = viewGroup.getChildAt(i);
                if( subChild instanceof ViewGroup )
                {
                    onViewAdded(subChild);
                }
                else
                {
                    if (subChild instanceof RadioButton) {
                        super.onViewAdded(subChild);
                    }
                }
            }
        }
        if (child instanceof RadioButton)
        {
            super.onViewAdded(child);
        }
    }
}

No hay nada que le impida implementar esa estructura de diseño ( RadioGroupde hecho es una subclase de LinearLayout) pero no debería hacerlo. En primer lugar, crea una estructura de 4 niveles de profundidad (utilizando otra estructura de diseño puede optimizar esto) y, en segundo lugar, si RadioButtonsno son hijos directos de a RadioGroup, el único elemento seleccionado en el grupo no funcionará. Esto significa que si selecciona un Radiobuttonde ese diseño y luego selecciona otro RadioButton, terminará con dosRadioButtons seleccionados en lugar del último seleccionado.

Si explica lo que quiere hacer en ese diseño, tal vez pueda recomendarle una alternativa.

Mis $ 0.02 basados ​​en @infografnet y @lostdev (¡también gracias a @Neromancer por la sugerencia del botón compuesto!)

public class AdvRadioGroup {
    public interface OnButtonCheckedListener {
        void onButtonChecked(CompoundButton button);
    }

    private final List<CompoundButton> buttons;
    private final View.OnClickListener onClick = new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            setChecked((CompoundButton) v);
        }
    };

    private OnButtonCheckedListener listener;
    private CompoundButton lastChecked;


    public AdvRadioGroup(View view) {
        buttons = new ArrayList<>();
        parseView(view);
    }

    private void parseView(final View view) {
        if(view instanceof CompoundButton) {
            buttons.add((CompoundButton) view);
            view.setOnClickListener(onClick);
        } else if(view instanceof ViewGroup) {
            final ViewGroup group = (ViewGroup) view;
            for (int i = 0; i < group.getChildCount();i++) {
                parseView(group.getChildAt(i));
            }
        }
    }

    public List<CompoundButton> getButtons() { return buttons; }

    public CompoundButton getLastChecked() { return lastChecked; }

    public void setChecked(int index) { setChecked(buttons.get(index)); }

    public void setChecked(CompoundButton button) {
        if(button == lastChecked) return;

        for (CompoundButton btn : buttons) {
            btn.setChecked(false);
        }

        button.setChecked(true);

        lastChecked = button;

        if(listener != null) {
            listener.onButtonChecked(button);
        }
    }

    public void setOnButtonCheckedListener(OnButtonCheckedListener listener) { this.listener = listener; }
}

Uso (con oyente incluido):

AdvRadioGroup group = new AdvRadioGroup(findViewById(R.id.YOUR_VIEW));
group.setOnButtonCheckedListener(new AdvRadioGroup.OnButtonCheckedListener() {
    @Override
    public void onButtonChecked(CompoundButton button) {
        // do fun stuff here!
    }
});

Bonificación: ¡puede obtener el último botón marcado, la lista de botones completos y puede verificar cualquier botón por índice con esto!

    int currentCheckedRadioButton = 0;
    int[] myRadioButtons= new int[6];
    myRadioButtons[0] = R.id.first;
    myRadioButtons[1] = R.id.second;
    //..
    for (int radioButtonID : myRadioButtons) {
        findViewById(radioButtonID).setOnClickListener(
                    new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (currentCheckedRadioButton != 0)
                    ((RadioButton) findViewById(currentCheckedRadioButton)).setChecked(false);
                currentCheckedRadioButton = v.getId();

            }
        });
    }

Si bien este puede ser un tema más antiguo, me gustaría compartir rápidamente el código hacky simple que escribí. No es para todos y también le vendría bien un poco de refinamiento.

¿La situación para usar este código?
Este código es para personas que tienen un diseño de la pregunta original o similar, en mi caso fue el siguiente. Esto personalmente fue para un diálogo que estaba usando.

• LinLayout_Main
  • LinLayout_Row1
    • ImageView
    • Boton de radio
  • LinLayout_Row2
    • ImageView
    • Boton de radio
  • LinLayout_Row3
    • ImageView
    • Boton de radio

¿Qué hace el código por sí mismo?
Este código enumerará todos los elementos secundarios de "LinLayout_Main" y, para cada elemento secundario que sea un "LinearLayout", enumerará esa Vista para cualquier RadioButtons.

Simplemente buscará el padre "LinLayout_Main" y encontrará cualquier RadioButtons que esté en cualquier Child LinearLayouts.

MyMethod_ShowDialog
mostrará un cuadro de diálogo con un archivo de diseño XML mientras lo busca para configurar el "setOnClickListener" para cada RadioButton que encuentre

MyMethod_ClickRadio repetirá
cada RadioButton de la misma manera que "MyMethod_ShowDialog", pero en lugar de configurar el "setOnClickListener", en su lugar, "setChecked (false)" borrará cada RadioButton y luego, como último paso, "setChecked (false)" en el RadioButton que llamado evento de clic.

public void MyMethod_ShowDialog(final double tmpLat, final double tmpLng) {
        final Dialog dialog = new Dialog(actMain);
        dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
        dialog.setContentView(R.layout.layout_dialogXML);

        final LinearLayout tmpLayMain = (LinearLayout)dialog.findViewById(R.id.LinLayout_Main);
        if (tmpLayMain!=null) {
            // Perform look for each child of main LinearLayout
            int iChildCount1 = tmpLayMain.getChildCount();
            for (int iLoop1=0; iLoop1 < iChildCount1; iLoop1++){
                View tmpChild1 = tmpLayMain.getChildAt(iLoop1);
                if (tmpChild1 instanceof LinearLayout) {
                    // Perform look for each LinearLayout child of main LinearLayout
                    int iChildCount2 = ((LinearLayout) tmpChild1).getChildCount();
                    for (int iLoop2=0; iLoop2 < iChildCount2; iLoop2++){
                        View tmpChild2 = ((LinearLayout) tmpChild1).getChildAt(iLoop2);
                        if (tmpChild2 instanceof RadioButton) {
                            ((RadioButton) tmpChild2).setOnClickListener(new RadioButton.OnClickListener() {
                                public void onClick(View v) {
                                    MyMethod_ClickRadio(v, dialog);
                                }
                            });
                        }
                    }
                }
            }

            Button dialogButton = (Button)dialog.findViewById(R.id.LinLayout_Save);
            dialogButton.setOnClickListener(new Button.OnClickListener() {
                public void onClick(View v) {
                    dialog.dismiss();
                }
            });
        }
       dialog.show();
}


public void MyMethod_ClickRadio(View vRadio, final Dialog dDialog) {

        final LinearLayout tmpLayMain = (LinearLayout)dDialog.findViewById(R.id.LinLayout_Main);
        if (tmpLayMain!=null) {
            int iChildCount1 = tmpLayMain.getChildCount();
            for (int iLoop1=0; iLoop1 < iChildCount1; iLoop1++){
                View tmpChild1 = tmpLayMain.getChildAt(iLoop1);
                if (tmpChild1 instanceof LinearLayout) {
                    int iChildCount2 = ((LinearLayout) tmpChild1).getChildCount();
                    for (int iLoop2=0; iLoop2 < iChildCount2; iLoop2++){
                        View tmpChild2 = ((LinearLayout) tmpChild1).getChildAt(iLoop2);
                        if (tmpChild2 instanceof RadioButton) {
                            ((RadioButton) tmpChild2).setChecked(false);
                        }
                    }
                }
            }
        }

        ((RadioButton) vRadio).setChecked(true);
}

Puede haber errores, copiados del proyecto y renombrados Voids / XML / ID

También puede ejecutar el mismo tipo de bucle para averiguar qué elementos están marcados

Esta es una versión modificada de la solución de @ Infografnet. Es simple y fácil de usar.

RadioGroupHelper group = new RadioGroupHelper(this,R.id.radioButton1,R.id.radioButton2); group.radioButtons.get(0).performClick(); //programmatically

Solo copia y pega

package com.qamar4p.farmer.ui.custom;

import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.view.View;
import android.widget.CompoundButton;
import android.widget.RadioButton;

public class RadioGroupHelper {

    public List<CompoundButton> radioButtons = new ArrayList<>();

    public RadioGroupHelper(RadioButton... radios) {
        super();
        for (RadioButton rb : radios) {
            add(rb);
        }
    }

    public RadioGroupHelper(Activity activity, int... radiosIDs) {
        this(activity.findViewById(android.R.id.content),radiosIDs);
    }

    public RadioGroupHelper(View rootView, int... radiosIDs) {
        super();
        for (int radioButtonID : radiosIDs) {
            add((RadioButton)rootView.findViewById(radioButtonID));
        }
    }

    private void add(CompoundButton button){
        this.radioButtons.add(button);
        button.setOnClickListener(onClickListener);
    }

    View.OnClickListener onClickListener = v -> {
        for (CompoundButton rb : radioButtons) {
            if(rb != v) rb.setChecked(false);
        }
    };
}

Como se muestra en las respuestas, la solución es un simple truco personalizado. Aquí está mi versión minimalista en Kotlin.

import android.widget.RadioButton

class SimpleRadioGroup(private val radioButtons: List<RadioButton>) {

    init {
        radioButtons.forEach {
            it.setOnClickListener { clickedButton ->
                radioButtons.forEach { it.isChecked = false }
                (clickedButton as RadioButton).isChecked = true
            }
        }
    }

    val checkedButton: RadioButton?
        get() = radioButtons.firstOrNull { it.isChecked }
}

entonces solo necesita hacer algo así en onCreate de su actividad o onViewCreated de fragment:

SimpleRadioGroup(listOf(radio_button_1, radio_button_2, radio_button_3))

Esta es mi solución en Kotlin para un diseño personalizado con RadioButton en el interior.

tipInfoContainerFirst.radioButton.isChecked = true

var prevSelected = tipInfoContainerFirst.radioButton
prevSelected.isSelected = true

listOf<RadioButton>(
    tipInfoContainerFirst.radioButton,
    tipInfoContainerSecond.radioButton,
    tipInfoContainerThird.radioButton,
    tipInfoContainerForth.radioButton,
    tipInfoContainerCustom.radioButton
).forEach {
    it.setOnClickListener { _it ->
    if(!it.isSelected) {
        prevSelected.isChecked = false
        prevSelected.isSelected = false
        it.radioButton.isSelected = true
        prevSelected = it.radioButton
    }
  }
}

Me meto en el mismo problema, tengo que usar el botón de radio para el género y todos tenían una imagen y un texto, así que intenté resolverlo de la siguiente manera.

archivo xml:

<RadioGroup
       android:layout_marginTop="40dp"
       android:layout_marginEnd="23dp"
       android:id="@+id/rgGender"
       android:layout_width="match_parent"
       android:layout_below="@id/tvCustomer"
       android:orientation="horizontal"
       android:layout_height="wrap_content">

       <LinearLayout
           android:layout_width="wrap_content"
           android:layout_height="wrap_content"
           android:orientation="vertical"
           android:gravity="center_horizontal"
           android:layout_weight="1">
       <RadioButton
           android:id="@+id/rbMale"
           android:layout_width="80dp"
           android:layout_height="60dp"
           android:background="@drawable/male_radio_btn_selector"
           android:button="@null"
           style="@style/RadioButton.Roboto.20sp"/>

           <TextView
               android:layout_width="wrap_content"
               android:layout_height="wrap_content"
               android:text="Male"
               style="@style/TextView.RobotoLight.TxtGrey.18sp"
               android:layout_margin="0dp"
               android:textSize="@dimen/txtsize_20sp"/>
       </LinearLayout>
       <LinearLayout
           android:layout_width="wrap_content"
           android:layout_height="wrap_content"
           android:orientation="vertical"
           android:gravity="center_horizontal"
           android:layout_weight="1">
       <RadioButton
           android:layout_weight="1"
           android:gravity="center"
           android:id="@+id/rbFemale"
           android:layout_width="80dp"
           android:layout_height="60dp"
           android:button="@null"
           android:background="@drawable/female_radio_btn_selector"
           style="@style/RadioButton.Roboto.20sp"
           android:textColor="@color/light_grey"/>
           <TextView
               android:layout_width="wrap_content"
               android:layout_height="wrap_content"
               android:text="Female"
               android:layout_margin="0dp"
               style="@style/TextView.RobotoLight.TxtGrey.18sp"
               android:textSize="@dimen/txtsize_20sp"/>
       </LinearLayout>
       <LinearLayout
           android:layout_width="wrap_content"
           android:layout_height="wrap_content"
           android:orientation="vertical"
           android:gravity="center_horizontal"
           android:layout_weight="1">
       <RadioButton
           android:layout_weight="1"
           android:gravity="center"
           android:id="@+id/rbOthers"
           android:layout_width="80dp"
           android:layout_height="60dp"
           android:button="@null"
           android:background="@drawable/other_gender_radio_btn_selector"
           style="@style/RadioButton.Roboto.20sp"/>
          <TextView
              android:layout_width="wrap_content"
              android:layout_height="wrap_content"
              android:text="Other"
              android:layout_margin="0dp"
              style="@style/TextView.RobotoLight.TxtGrey.18sp"
              android:textSize="@dimen/txtsize_20sp"/>
      </LinearLayout>
   </RadioGroup>

En el archivo java: configuré setOnCheckedChangeListener en los 3 botones de opción y anule el método como se menciona a continuación y funciona bien para mí.

@Override
    public void onCheckedChanged(CompoundButton compoundButton, boolean b) {
   switch (compoundButton.getId()){
       case R.id.rbMale:
           if(rbMale.isChecked()){
               rbMale.setChecked(true);
               rbFemale.setChecked(false);
               rbOther.setChecked(false);
           }
           break;
       case R.id.rbFemale:
           if(rbFemale.isChecked()){
               rbMale.setChecked(false);
               rbFemale.setChecked(true);
               rbOther.setChecked(false);
           }
           break;
       case R.id.rbOthers:
           if(rbOther.isChecked()){
               rbMale.setChecked(false);
               rbFemale.setChecked(false);
               rbOther.setChecked(true);
           }
           break;

   }
    }

MixedCompoundButtonGroup ¡ lo hace por usted!

MixedCompoundButtonGroup gist

fun setAll() {
    for (i in 0 until childCount) {
        val child = getChildAt(i)
        setCompoundButtonListener(child)
    }
}  


private fun setCompoundButtonListener(view: View?) {
    if (view == null) return
    if (view is CompoundButton) {
        view.setOnCheckedChangeListener(compoundButtonCheckedChangedListener)
    } else if (view is ViewGroup && view !is RadioGroup) { // NOT RadioGroup!
        for (i in 0 until view.childCount) {
            setCompoundButtonListener(view.getChildAt(i))
        }
    }
}

private fun initCompoundButtonListener() {
    compoundButtonCheckedChangedListener = CompoundButton.OnCheckedChangeListener { compoundButton, isChecked ->
        setChecked(compoundButton, isChecked)
    }
}

private fun setChecked(compoundButton: CompoundButton, isChecked: Boolean) {
    if (isChecked.not()) return
    if (currentCompoundButton != null) {
        currentCompoundButton!!.isChecked = false
        currentCompoundButton = compoundButton
    } else {
        currentCompoundButton = compoundButton
    }
    checkedChangedListener?.onCheckedChanged(currentCompoundButton!!)
}

Puede utilizar este sencillo código de extensión de RadioGroup. Suelta los diseños / vistas / imágenes junto con los RadioButtons y funcionará.

Contiene devolución de llamada de selección que devuelve el RadioButton seleccionado con su índice y puede establecer la selección mediante programación por índice o id:

import android.content.Context;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;
import android.widget.RadioButton;
import android.widget.RadioGroup;

import java.util.ArrayList;

public class EnhancedRadioGroup extends RadioGroup implements View.OnClickListener {

    public interface OnSelectionChangedListener {
        void onSelectionChanged(RadioButton radioButton, int index);
    }

    private OnSelectionChangedListener selectionChangedListener;
    ArrayList<RadioButton> radioButtons = new ArrayList<>();

    public EnhancedRadioGroup(Context context) {
        super(context);
    }

    public EnhancedRadioGroup(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    @Override
    protected void onLayout(boolean changed, int l, int t, int r, int b) {
        super.onLayout(changed, l, t, r, b);
        if (changed) {
            getRadioButtons();
        }
    }

    private void getRadioButtons() {
        radioButtons.clear();
        checkForRadioButtons(this);
    }

    private void checkForRadioButtons(ViewGroup viewGroup) {
        if (viewGroup == null) {
            return;
        }
        for (int i = 0; i < viewGroup.getChildCount(); i++) {
            View v = viewGroup.getChildAt(i);
            if (v instanceof RadioButton) {
                v.setOnClickListener(this);
                // store index of item
                v.setTag(radioButtons.size());
                radioButtons.add((RadioButton) v);
            }
            else if (v instanceof ViewGroup) {
                checkForRadioButtons((ViewGroup)v);
            }
        }
    }

    public RadioButton getSelectedItem() {
        if (radioButtons.isEmpty()) {
            getRadioButtons();
        }
        for (RadioButton radioButton : radioButtons) {
            if (radioButton.isChecked()) {
                return radioButton;
            }
        }
        return null;
    }

    public void setOnSelectionChanged(OnSelectionChangedListener selectionChangedListener) {
        this.selectionChangedListener = selectionChangedListener;
    }

    public void setSelectedById(int id) {
        if (radioButtons.isEmpty()) {
            getRadioButtons();
        }
        for (RadioButton radioButton : radioButtons) {
            boolean isSelectedRadioButton = radioButton.getId() == id;
            radioButton.setChecked(isSelectedRadioButton);
            if (isSelectedRadioButton && selectionChangedListener != null) {
                selectionChangedListener.onSelectionChanged(radioButton, (int)radioButton.getTag());
            }
        }
    }

    public void setSelectedByIndex(int index) {
        if (radioButtons.isEmpty()) {
            getRadioButtons();
        }
        if (radioButtons.size() > index) {
            setSelectedRadioButton(radioButtons.get(index));
        }
    }

    @Override
    public void onClick(View v) {
        setSelectedRadioButton((RadioButton) v);
    }

    private void setSelectedRadioButton(RadioButton rb) {
        if (radioButtons.isEmpty()) {
            getRadioButtons();
        }
        for (RadioButton radioButton : radioButtons) {
            radioButton.setChecked(rb == radioButton);
        }
        if (selectionChangedListener != null) {
            selectionChangedListener.onSelectionChanged(rb, (int)rb.getTag());
        }
    }
}