title: Android CardView center horizontally
body: <p>I have read several answers on how to align a card view horizontally. I am trying to achieve the following:</p>
  
  <p><a href="https://i.stack.imgur.com/quLsL.png" rel="noreferrer">Desired Result</a></p>
  
  <p>This is so far the code I have written (I have followed around 20 answers from different posts, none which have helped me. The problem is the margin or space on the left and the right, I need that space, but the card view expands the whole width.</p>
  
  <pre><code>&lt;RelativeLayout
              android:id="@+id/relativeLayout2"
              android:layout_width="match_parent"
              android:layout_height="wrap_content"
              android:layout_alignParentStart="true"&gt;
  
              &lt;TextView
                  android:id="@+id/textView8"
                  android:layout_width="wrap_content"
                  android:layout_height="wrap_content"
                  android:layout_alignParentTop="true"
                  android:layout_alignStart="@+id/mProjectCDCNumCardView"
                  android:layout_marginStart="7dp"
                  android:layout_marginTop="7dp"
                  android:text="DETAIL"
                  android:textColor="#000"
                  android:textSize="16sp" /&gt;
  
              &lt;android.support.v7.widget.CardView
                  xmlns:android="http://schemas.android.com/apk/res/android"
                  xmlns:card_view="http://schemas.android.com/tools"
                  xmlns:app="http://schemas.android.com/apk/res-auto"
                  android:id="@+id/mProjectCDCNumCardView"
                  android:layout_width="match_parent"
                  android:layout_height="wrap_content"
                  android:layout_gravity="center"
                  android:layout_marginTop="13dp"
                  card_view:cardCornerRadius="2dp"
                  card_view:contentPaddingLeft="50dp"
                  card_view:contentPaddingRight="@dimen/activity_horizontal_margin"
                  card_view:contentPaddingTop="20dp"
                  card_view:contentPaddingBottom="@dimen/activity_vertical_margin"
                  android:background="@drawable/cardview_normal"
                  android:layout_centerHorizontal="true"
                  android:layout_below="@+id/textView8"&gt;
  
                      &lt;EditText
                          android:id="@+id/mProjectCDCNumEditText"
                          android:layout_width="wrap_content"
                          android:layout_height="wrap_content"
                          android:layout_centerHorizontal="true"
                          android:background="@drawable/editborder"
                          android:hint="Project Number"
                          android:inputType="textPersonName"
                          android:padding="10dp" /&gt;
  
  
              &lt;/android.support.v7.widget.CardView&gt;
  
              &lt;TextView
                  android:id="@+id/mProjectAddressLabel"
                  android:layout_width="wrap_content"
                  android:layout_height="wrap_content"
                  android:layout_centerHorizontal="true"
                  android:background="@drawable/editborder"
                  android:layout_below="@id/mProjectCDCNumCardView"
                  android:ems="16"
                  android:padding="10dp"
                  android:hint="Location"
                  android:textColor="#000"
                  android:textSize="18sp"
                  android:drawableRight="@drawable/left_arrow"/&gt;
  
  
  
          &lt;/RelativeLayout&gt;
  </code></pre>
  
  <p>Thanks!</p>