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I'm developing an Android 3.1. and above application. On one activity I generate its layout dynamically. I'm using formdetail.xml as contentview: @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.formdetail); Bundle extras = getIntent().getExtras(); if (extras != null) { currentFormId = extras.getString("FormId"); } } formdetail.xml : <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/detailLayout" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <RelativeLayout android:layout_width="fill_parent" android:layout_height="wrap_content" > <Button android:id="@+id/downloadFormsButton" android:enabled="false" android:layout_alignParentLeft="true" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_margin="10dp" android:text="@string/download_forms_button" /> <TextView android:id="@+id/formErrorMsg" android:layout_alignParentRight="true" android:layout_alignParentBottom="true" android:layout_width="wrap_content" android:layout_height="wrap_content" android:padding="10dp" android:textSize="16dp" > </TextView> </RelativeLayout> </LinearLayout> downloadFormsButton and formErrorMsg must be always in form. But using that xml I get this warning: This RelativeLayout layout or its LinearLayout parent is useless I need linearLayout to add TableLayouts programmatically. <

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