<ViewStub android:id="@+id/layout_stub" android:inflatedId="@+id/message_layout" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="0.75" />
ViewStub stub = (ViewStub) findViewById(R.id.layout_stub); stub.setLayoutResource(R.layout.whatever_layout_you_want); View inflated = stub.inflate();