Change The Background Color of a Pop-Up Dialog

Change the background color of a pop-up dialog

If you just want a light theme and aren't particular about the specific color, then you can pass a theme id to the AlertDialog.Builder constructor.

AlertDialog.Builder(this, AlertDialog.THEME_HOLO_LIGHT)...

or

AlertDialog.Builder(this, AlertDialog.THEME_DEVICE_DEFAULT_LIGHT)...

Change background color for the action section in Flutter alertDialog

Try below code hope its helpful to you.

Your Widget to call alrtDialog

    TextButton(
            onPressed: () {
              showDataAlert();
            },
            child: Text(
              'Pressed',
            ),
          ),

Your Alert Dialog function

showDataAlert() {
    showDialog(
        context: context,
        builder: (context) {
          return AlertDialog(
            shape: RoundedRectangleBorder(
              borderRadius: BorderRadius.all(
                Radius.circular(
                  20.0,
                ),
              ),
            ),
            contentPadding: EdgeInsets.only(
              top: 10.0,
            ),
            title: Text(
              "Your Title Here",
              style: TextStyle(fontSize: 24.0),
            ),
            content: Container(
              child: Column(
                mainAxisSize: MainAxisSize.min,
                children: <Widget>[
                  Text(
                    "Your Contents Here",
                    style: TextStyle(fontSize: 24.0),
                  ),
                  SizedBox(
                    height: 5.0,
                  ),
                  Container(
                      decoration: BoxDecoration(
                        color: Colors.grey.shade500,
                        borderRadius: BorderRadius.only(
                            bottomLeft: Radius.circular(20.0),
                            bottomRight: Radius.circular(20.0)),
                      ),
                      child: Padding(
                        padding: const EdgeInsets.all(8.0),
                        child: Row(
                          mainAxisAlignment: MainAxisAlignment.end,
                          children: [
                            ElevatedButton(
                              onPressed: () {
                                Navigator.of(context).pop();
                              },
                              style: ElevatedButton.styleFrom(
                                primary: Colors.white,
                              ),
                              child: Text(
                                "Cancel",
                                style: TextStyle(
                                  color: Colors.black,
                                ),
                              ),
                            ),
                            SizedBox(
                              width: 10,
                            ),
                            ElevatedButton(
                              onPressed: () {
                                Navigator.of(context).pop();
                              },
                              style: ElevatedButton.styleFrom(
                                primary: Colors.black,
                              ),
                              child: Text(
                                "Confirm",
                              ),
                            ),
                          ],
                        ),
                      )),
                ],
              ),
            ),
          );
        });
  }

• Refer ElevatedButton here
• Refer AlertDialog here

Your Result Screen->

Flutter change dialog background color

You need to wrap your Dialog in a Builder like this. After that dialogBackgroundColor will have an effect.

Theme(
  data: ThemeData(dialogBackgroundColor: Colors.orange),
  child: Builder(
    builder: (context) {
      return RaisedButton(
        onPressed: () {
          showDialog(
            context: context,
            builder: (context) {
              return AlertDialog(
                title: Text("Dialog title"),
              );
            },
          );
        },
        child: Text("Show dialog"),
      );
    },
  ),
)

How to change background color popup menu android

Add popupMenu style to ur AppTheme:

<style name="AppTheme" parent="android:Theme.Light">
    <item name="android:popupMenuStyle">@style/PopupMenu</item>
</style>

<style name="PopupMenu" parent="@android:style/Widget.PopupMenu">
    <item name="android:popupBackground">@android:color/white</item>
</style>

manifest.xml:

 <application
    android:allowBackup="true"
    android:icon="@drawable/ic_launcher"
    android:label="@string/app_name"
    android:theme="@style/AppTheme" >
.............
</application>

How to change the background color of pop up header?

Change color background in .modalDialog > div css.

.modalDialog > div {
        width: 600px;
        position: relative;
        margin: 2% auto;
        padding: 5px 20px 13px 20px;
        border-radius: 5px;
        background: red; //Here
        height: 100%;
    }

Fiddle

Edit:

If you want to change color of only header part then you should put one div parent to .pop-header

<div>
  <div class="pop-header">
  <a href="#close" title="Close" class="close">X</a>
</div>

And css:

.pop-header
    {
       width: 100%;
       background-color: red;
       height: 50px;
    }

Updated Fiddle

Check as per your image

New Fiddle

---

Related Topics