title: Error inflating XML class - Resource is not a Drawable (color or path)
body: <p>Why when I run my project I get this error? I've been searching for this issue but I didn't find any solution for it</p>
  
  <pre><code> Unable to start activity ComponentInfo: android.view.InflateException:             
   Binary XML file line #0: Error inflating class &lt;unknown&gt;
  </code></pre>
  
  <p>It´s a simple sign up activity.</p>
  
  <p><a href="https://i.stack.imgur.com/Bl8iR.png" rel="nofollow noreferrer">The error</a></p>
  
  <p><strong>Here is the code:</strong></p>
  
  <p><strong>XML file</strong></p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  &gt;
  
  &lt;include layout="@layout/layout_topbar_toolbar"
      android:id="@+id/signup_toolbar" /&gt;
  
  &lt;LinearLayout
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      android:orientation="vertical"
      android:padding="25dp"
      android:layout_marginTop="25dp"
      android:layout_below="@id/signup_toolbar"&gt;
  
  
      &lt;android.support.design.widget.TextInputEditText
          android:layout_width="match_parent"
          android:layout_height="wrap_content"
          android:padding="15dp"
          android:maxLines="1"
          android:imeOptions="actionNext"
          android:inputType="textEmailAddress"
          android:hint="@string/form_email_short"
          android:id="@+id/input_email"
          android:background="@drawable/edittext_white_square"
          android:textCursorDrawable="@null"
          android:textSize="@dimen/text_edit_text"/&gt;
  
      &lt;android.support.design.widget.TextInputEditText
          android:layout_width="match_parent"
          android:layout_height="wrap_content"
          android:layout_marginTop="2dp"
          android:padding="15dp"
          android:maxLines="1"
          android:imeOptions="actionDone"
          android:inputType="textPassword"
          android:hint="@string/form_password_short"
          android:id="@+id/input_password"
          android:background="@drawable/edittext_white_square"
          android:textCursorDrawable="@null"
          android:textSize="@dimen/text_edit_text"/&gt;
  
      &lt;android.support.v7.widget.AppCompatButton
          android:layout_width="match_parent"
          android:layout_height="wrap_content"
          android:layout_marginTop="15dp"
          android:text="Sign Up!"
          android:id="@+id/btn_create"
          android:padding="12dp"
          android:textSize="@dimen/text_button"
          android:textColor="@color/white"
          android:background="@drawable/button_accent_square"/&gt;
  
  &lt;/LinearLayout&gt;
  &lt;/RelativeLayout&gt;
  </code></pre>
  
  <p><strong>The toolbar XML:</strong></p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;android.support.v7.widget.Toolbar
  xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="match_parent"
  android:layout_height="wrap_content"
  android:background="@color/colorPrimary"
  android:theme="@style/Base.ThemeOverlay.AppCompat.Dark.ActionBar"&gt;
  &lt;/android.support.v7.widget.Toolbar&gt;
  </code></pre>
  
  <p><strong>The edittext drawable:</strong></p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;selector xmlns:android="http://schemas.android.com/apk/res/android"&gt;
  &lt;item&gt;
      &lt;shape&gt;
          &lt;solid
              android:color="@color/white"/&gt;
          &lt;stroke android:width="1dp"
              android:color="@color/greyXLight"/&gt;
          &lt;corners
              android:radius="3dp"/&gt;
      &lt;/shape&gt;
  &lt;/item&gt;
  </code></pre>
  
  <p></p>
  
  <p>I'm testing it in an emulator with API 22 and min API 16</p>
  
  <p>Please let me know if you need more info.
  Thanks.</p>