Multiple radio group in one activity

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I'm Developing an android app in which the Questionnaire activity contains radio buttons for every question.And I've designed the activity in Linear layout.So now i wanted to check whether the user as answered all Questions.The problem I'm facing is in the public void OnClick(View v)help me in modifying the java code.

<RadioGroup
    android:id="@+id/Mquestion1"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content">
<RadioButton
    android:id="@+id/radioButton1"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="@string/MQ1_1_rb1" />

<RadioButton
    android:id="@+id/radioButton2"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="@string/MQ1_1_rb2" />

<RadioButton
    android:id="@+id/radioButton3"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="@string/MQ1_1_rb3" />
</RadioGroup>
<TextView
    android:id="@+id/textView3"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="@string/MQ1_2_view"
    android:textAppearance="?android:attr/textAppearanceSmall" />
<RadioGroup
android:id="@+id/Mquestion2"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<RadioButton
    android:id="@+id/radioButton4"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="@string/MQ1_2_rb1" />

<RadioButton
    android:id="@+id/radioButton5"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="@string/MQ1_2_rb2" />

<RadioButton
    android:id="@+id/radioButton6"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="@string/MQ1_2_rb3" />
</RadioGroup>
<TextView
    android:id="@+id/textView4"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="@string/MQ1_3_view"
    android:textAppearance="?android:attr/textAppearanceSmall" />
<RadioGroup
android:id="@+id/Mquestion3"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<RadioButton
    android:id="@+id/radioButton7"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="@string/MQ1_3_rb1" />

 <RadioButton
    android:id="@+id/radioButton8"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="@string/MQ1_3_rb2" />

 <RadioButton
    android:id="@+id/radioButton9"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="@string/MQ1_3_rb3" />
 </RadioGroup>
 <RelativeLayout
    android:layout_width="match_parent"
    android:layout_height="44dp" >

    <Button
        android:id="@+id/button1"
        style="?android:attr/buttonStyleSmall"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true"
        android:onClick="OnClickListener"
        android:text="@string/MQ1_next" />

</RelativeLayout>

</LinearLayout>

Here is the java code

  public class ManagerQuestionnaire1 extends Activity
 {

Button next;
RadioGroup rg1;
RadioGroup rg2;
RadioGroup rg3;
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_manager_questionnaire1);
    final RadioGroup    rg1=(RadioGroup)findViewById(R.id.Mquestion1);
     final RadioGroup   rg2=(RadioGroup)findViewById(R.id.Mquestion2);
     final RadioGroup   rg3=(RadioGroup)findViewById(R.id.Mquestion3);
    Button next=(Button)findViewById(R.id.button1);
            next.setOnClickListener(new View.OnClickListener()
            {
                public void OnClick(View v) \\The error I'm getting here is REMOVE method'OnClick'
                {

                    if((rg1.getCheckedRadioButtonId()!=R.id.radioButton1 || rg1.getCheckedRadioButtonId()!=R.id.radioButton2 || rg1.getCheckedRadioButtonId()!=R.id.radioButton3)||(rg2.getCheckedRadioButtonId()!=R.id.radioButton4 || rg2.getCheckedRadioButtonId()!=R.id.radioButton5 || rg2.getCheckedRadioButtonId()!=R.id.radioButton6)||(rg3.getCheckedRadioButtonId()!=R.id.radioButton7 || rg3.getCheckedRadioButtonId()!=R.id.radioButton8 || rg3.getCheckedRadioButtonId()!=R.id.radioButton9))
                    {
                         AlertDialog alert= new AlertDialog.Builder(ManagerQuestionnaire1.this).create();
                         alert.setTitle("Exception:Complete the Questions");
                         alert.setMessage("Please ensure all Questions are answered");
                    }
                    else
                    {
                           Intent intent = new Intent(ManagerQuestionnaire1.this, ManagerQuestionnaire2.class);
                            startActivity(intent);
                    }
                }

                @Override
                public void onClick(View v)
                {
                    // TODO Auto-generated method stub

                }

    });
 }


It is always recommended to user radiobuttons inside a radioGroup

like this :

<RadioGroup
    android:id="@+id/question1"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignParentLeft="true"
    android:layout_alignParentTop="true" >

    <RadioButton
        android:id="@+id/radio0"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:checked="true"
        android:text="RadioButton" />

    <RadioButton
        android:id="@+id/radio1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="RadioButton" />

    <RadioButton
        android:id="@+id/radio2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="RadioButton" />
</RadioGroup>

<RadioGroup
    android:id="@+id/question2"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignParentLeft="true"
    android:layout_alignParentTop="true" >

    <RadioButton
        android:id="@+id/radio3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:checked="true"
        android:text="RadioButton" />

    <RadioButton
        android:id="@+id/radio4"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="RadioButton" />

    <RadioButton
        android:id="@+id/radio5"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="RadioButton" />
</RadioGroup>

Now whenever you want to see which answer is selected corrosponding to which radio group you can do something like this :

RadioGroup question1 = (RadioGroup) findViewById(R.id.question1);
        String answer1 = ((RadioButton) findViewById(question1.getCheckedRadioButtonId())).getText().toString();

Congrates ! you got the answer here