I have a LinearLayout and its elements that are inside it do not mark error, but I have a problem with a TextView since the text looks a little cut.
Code
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:visibility="visible"
android:weightSum="4"
android:orientation="vertical">
<RelativeLayout
android:layout_weight="1"
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:id="@+id/layoutcantidad2"
android:visibility="invisible"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="@android:color/transparent"
android:paddingBottom="2dp"
android:paddingEnd="10dp"
android:paddingStart="10dp"
android:paddingTop="2dp"
android:text="@string/title_text_view_spum"
android:textAppearance="@style/TextAppearance.AppCompat.Light.Widget.PopupMenu.Small"
android:textColor="@color/black"
android:textSize="18sp" />
<TextView
android:id="@+id/textViewROUnidad"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="2"
android:background="@android:color/transparent"
android:maxLines="1"
android:textAppearance="@style/TextAppearance.AppCompat.Light.Widget.PopupMenu.Small"
android:textColor="@color/black"
android:textSize="18sp" />
</LinearLayout>
<TextView
android:id="@+id/textViewSPUM"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@android:color/transparent"
android:maxLines="1"
android:paddingBottom="2dp"
android:paddingEnd="10dp"
android:paddingStart="10dp"
android:paddingTop="2dp"
android:text=""
android:textAppearance="@style/TextAppearance.AppCompat.Light.Widget.PopupMenu.Small"
android:textColor="@color/black"
android:textSize="18sp" />
</LinearLayout>
</RelativeLayout>
<RelativeLayout
android:layout_weight="1"
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:id="@+id/layoutcantidad"
android:visibility="invisible"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:id="@+id/textViewRecibir"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="@android:color/transparent"
android:maxLines="1"
android:paddingEnd="0dp"
android:paddingStart="10dp"
android:text="@string/title_text_view_cantidad_empaque"
android:textAppearance="@style/TextAppearance.AppCompat.Light.Widget.PopupMenu.Small"
android:textColor="@color/black"
android:textSize="18sp" />
<EditText
android:id="@+id/editTextCantidadRecibir"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="2"
android:maxLength="10"
android:maxLines="1"
android:digits="0123456789."
android:inputType="numberDecimal"
android:textAppearance="@style/TextAppearance.AppCompat.Light.Widget.PopupMenu.Small"
android:textColor="@color/black"
android:textSize="13sp" />
<TextView
android:id="@+id/textViewUnidadMedida"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="@android:color/transparent"
android:maxLines="1"
android:text="@string/title_text_view_small_um"
android:textAppearance="@style/TextAppearance.AppCompat.Light.Widget.PopupMenu.Small"
android:textColor="@color/black"
android:textSize="15sp" />
</LinearLayout>
</RelativeLayout>
<RelativeLayout
android:layout_weight="1"
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="@android:color/transparent"
android:maxLines="1"
android:paddingEnd="0dp"
android:paddingStart="10dp"
android:text="@string/title_text_view_ultimo_escaneado"
android:textAppearance="@style/TextAppearance.AppCompat.Light.Widget.PopupMenu.Small"
android:textColor="@color/green"
android:textSize="16sp" />
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="@android:color/transparent"
android:maxLines="1"
android:text="@string/title_text_view_acumulado_u"
android:textAppearance="@style/TextAppearance.AppCompat.Light.Widget.PopupMenu.Small"
android:textColor="@color/green"
android:textSize="16sp" />
</LinearLayout>
</RelativeLayout>
<RelativeLayout
android:layout_weight="1"
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:id="@+id/Lbl_ValorEscaneado"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="@android:color/transparent"
android:maxLines="1"
android:paddingEnd="0dp"
android:paddingStart="10dp"
android:textAppearance="@style/TextAppearance.AppCompat.Light.Widget.PopupMenu.Small"
android:textColor="@color/gray"
android:textSize="18sp" />
<TextView
android:id="@+id/Lbl_ValorAcumulado"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="@android:color/transparent"
android:maxLines="1"
android:textAppearance="@style/TextAppearance.AppCompat.Light.Widget.PopupMenu.Small"
android:textColor="@color/gray"
android:textSize="18sp" />
</LinearLayout>
</RelativeLayout>
</LinearLayout>
</android.support.v7.widget.CardView>The contents of these TextView are cut
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="@android:color/transparent"
android:maxLines="1"
android:paddingEnd="0dp"
android:paddingStart="10dp"
android:text="@string/title_text_view_ultimo_escaneado"
android:textAppearance="@style/TextAppearance.AppCompat.Light.Widget.PopupMenu.Small"
android:textColor="@color/green"
android:textSize="16sp" />
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="@android:color/transparent"
android:maxLines="1"
android:text="@string/title_text_view_acumulado_u"
android:textAppearance="@style/TextAppearance.AppCompat.Light.Widget.PopupMenu.Small"
android:textColor="@color/green"
android:textSize="16sp" />