title: Flutter how to show text and image in text field
body: <p>I need to show fixed text and image on left side of text form field.</p>
  <p>Like this</p>
  <p><img src="https://i.stack.imgur.com/yygbs.png" alt="enter image description here" /></p>
  <p>My code</p>
  <pre><code>                Container(
                    width: Width * 0.9,
                    height: Height * 0.08,
                    child: TextFormField(
                      style: TextStyle(
                          color: kPrimaryColor, fontFamily: 'UbuntuRegular'),
                      decoration: new InputDecoration(
                        border: new OutlineInputBorder(
                          borderSide: const BorderSide(
                              color: Colors.grey, width: 1.25),
                          borderRadius: const BorderRadius.all(
                            const Radius.circular(10.0),
                          ),
                        ),
                        filled: true,
                        hintStyle: new TextStyle(
                            color: Color(0xffbdbdbd),
                            fontFamily: 'UbuntuRegular'),
                        hintText: &quot;3388 3388&quot;,
                        fillColor: Colors.white70,
                        enabledBorder: new OutlineInputBorder(
                          borderSide: const BorderSide(
                              color: Color(0xffbdbdbd), width: 1),
                          borderRadius: const BorderRadius.all(
                            const Radius.circular(10.0),
                          ),
                        ),
                        focusedBorder: OutlineInputBorder(
                          borderSide: const BorderSide(
                              color: kPrimaryColor, width: 1),
                          borderRadius: const BorderRadius.all(
                            const Radius.circular(10.0),
                          ),
                        ),
                      ),
                    ),
                  ),
  </code></pre>
  <p>Its simple text field with placeholder but i am not abel to add this image and fixed label on right side</p>