title: Creating RadioGroup programmatically
body: <p>I'm getting an Error while working with the following code</p>
  <blockquote>
  <p>Error: The specified child already has a parent you must call removeView on the child's parent first</p>
  </blockquote>
  <p>Anyone please help me in resolving this
  Error:</p>
  <pre class="lang-java prettyprint-override"><code>RadioButton[] radiobutton = new RadioButton[5];
  RadioGroup radiogroup = new RadioGroup(this);
  for (int i = 0; i &lt; 5; i++) {
  
      LinearLayout listmainLayout = (LinearLayout) findViewById(R.id.phonelist);
      // listmainLayout.setLayoutParams(new
      // ListView.LayoutParams(width,
      // height / 10));
      listmainLayout.setGravity(Gravity.CENTER_VERTICAL);
      RelativeLayout mainlistLayout = new RelativeLayout(getApplicationContext());
      LinearLayout.LayoutParams mainlistLayoutParams = new LinearLayout.LayoutParams(
          (int) (width * 0.85), LayoutParams.WRAP_CONTENT);
      mainlistLayout.setLayoutParams(mainlistLayoutParams);
      // mainlistLayout.setOrientation(LinearLayout.VERTICAL);
      mainlistLayout.setPadding((int) (0.03 * width), 0, 0, 0);
      LinearLayout.LayoutParams radiogroupparams = new LinearLayout.LayoutParams(
          LinearLayout.LayoutParams.WRAP_CONTENT,
          LinearLayout.LayoutParams.WRAP_CONTENT);
      radiogroup.setLayoutParams(radiogroupparams);
      radiobutton[i] = new RadioButton(this);
      radiobutton[i].setText(&quot; &quot; + ContactsActivity.phonetype.get(i)
          + &quot;    &quot; + ContactsActivity.phone.get(i));
      radiobutton[i].setId(i + 100);
      radiogroup.removeView(radiobutton[i]);
      radiogroup.addView(radiobutton[i]);
      mainlistLayout.addView(radiogroup);
  }
  </code></pre>
  <p>My logcat shows:</p>
  <pre><code>11-12 17:51:11.500: E/AndroidRuntime(3353): FATAL EXCEPTION: main
  11-12 17:51:11.500: E/AndroidRuntime(3353): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.contacts_appetite/com.example.contacts_appetite.ContactDetalisList}: java.lang.IllegalStateException: The specified child already has a parent. You must call removeView() on the child's parent first.
  11-12 17:51:11.500: E/AndroidRuntime(3353):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2059)
  11-12 17:51:11.500: E/AndroidRuntime(3353):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2084)
  11-12 17:51:11.500: E/AndroidRuntime(3353):     at android.app.ActivityThread.access$600(ActivityThread.java:130)
  11-12 17:51:11.500: E/AndroidRuntime(3353):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1195)
  11-12 17:51:11.500: E/AndroidRuntime(3353):     at android.os.Handler.dispatchMessage(Handler.java:99)
  11-12 17:51:11.500: E/AndroidRuntime(3353):     at android.os.Looper.loop(Looper.java:137)
  11-12 17:51:11.500: E/AndroidRuntime(3353):     at android.app.ActivityThread.main(ActivityThread.java:4745)
  11-12 17:51:11.500: E/AndroidRuntime(3353):     at java.lang.reflect.Method.invokeNative(Native Method)
  11-12 17:51:11.500: E/AndroidRuntime(3353):     at java.lang.reflect.Method.invoke(Method.java:511)
  11-12 17:51:11.500: E/AndroidRuntime(3353):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
  11-12 17:51:11.500: E/AndroidRuntime(3353):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
  11-12 17:51:11.500: E/AndroidRuntime(3353):     at dalvik.system.NativeStart.main(Native Method)
  11-12 17:51:11.500: E/AndroidRuntime(3353): Caused by: java.lang.IllegalStateException: The specified child already has a parent. You must call removeView() on the child's parent first.
  11-12 17:51:11.500: E/AndroidRuntime(3353):     at android.view.ViewGroup.addViewInner(ViewGroup.java:3378)
  11-12 17:51:11.500: E/AndroidRuntime(3353):     at android.view.ViewGroup.addView(ViewGroup.java:3249)
  11-12 17:51:11.500: E/AndroidRuntime(3353):     at android.view.ViewGroup.addView(ViewGroup.java:3194)
  11-12 17:51:11.500: E/AndroidRuntime(3353):     at android.view.ViewGroup.addView(ViewGroup.java:3170)
  11-12 17:51:11.500: E/AndroidRuntime(3353):     at com.example.contacts_appetite.ContactDetalisList.getView(ContactDetalisList.java:139)
  11-12 17:51:11.500: E/AndroidRuntime(3353):     at com.example.contacts_appetite.ContactDetalisList.onCreate(ContactDetalisList.java:65)
  11-12 17:51:11.500: E/AndroidRuntime(3353):     at android.app.Activity.performCreate(Activity.java:5008)
  11-12 17:51:11.500: E/AndroidRuntime(3353):     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1079)
  11-12 17:51:11.500: E/AndroidRuntime(3353):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2023)
  11-12 17:51:11.500: E/AndroidRuntime(3353):     ... 11 more
  </code></pre>