Custom alert dialog with rounded corners and a transparent background

Question

How can I design a custom alert dialog with rounded corners and a transparent dismiss button?

I need only rounded corner and transparent dismiss button,not the whole view. — Braj Bhushan Singh, Jan 18 '17 at 12:49
First Google it..you can find. Don't post your question directly. http://stackoverflow.com/questions/28937106/how-to-make-custom-dialog-with-rounded-corners-in-android — Vishal Jadav, Jan 18 '17 at 12:52
Possible duplicate of [How to implement a custom AlertDialog View](http://stackoverflow.com/questions/2795300/how-to-implement-a-custom-alertdialog-view) — Braj Bhushan Singh, Jan 22 '17 at 08:20

score 33 · Answer 1 · edited Aug 31 '22 at 11:39

33

Create your dialog like this:

AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(
                                            context, R.style.CustomAlertDialog);
AlertDialog alertDialog = alertDialogBuilder.create();

In your styles.xml file:

<style name="CustomAlertDialog" parent="Theme.AppCompat.Light.Dialog.Alert">
    <item name="android:windowBackground">@drawable/popup_background</item>
</style>

In file popup_background.xml, write whatever corner radius you want:

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
    <solid android:color="#FFFFFF" />
    <corners android:radius="6dp" />
</shape>

You can change the corner radius.

edited Aug 31 '22 at 11:39

Peter Mortensen

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answered Jan 18 '17 at 12:55

Belzebub

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20

if I want to use gradient, how will I accomplish it sir? – Lidor Eliyahu Shelef May 18 '20 at 13:54
1

https://stackoverflow.com/questions/13929877/how-to-make-gradient-background-in-android The answer to this question should help you, change the popup_background into a gradient shape. – Belzebub May 19 '20 at 18:14
This one pretty good solution but one issue I face dialog width changed as compare to original alert dialog. you have any solution for same. – Kishan Donga Jun 09 '20 at 11:09

score 16 · Answer 2 · edited Aug 31 '22 at 11:35

You can use the Material components for Android library and the androidx.appcompat.app.AlertDialog.

Just use something like:

new MaterialAlertDialogBuilder(context)
            .setTitle("Dialog")
            .setMessage("Lorem ipsum dolor ....")
            .setPositiveButton("Ok", /* listener = */ null)
            .setNegativeButton("Cancel", /* listener = */ null)
            .show();

Using a Material Components Theme you can customize the shape of your component with the shapeAppearanceOverlay attribute in your style.

Something like:

  <!-- Alert Dialog -->
  <style name="MyThemeOverlayAlertDialog" parent="@style/ThemeOverlay.MaterialComponents.MaterialAlertDialog">
    <item name="shapeAppearanceOverlay">@style/ShapeAppearanceOverlay.MyApp.Dialog.Rounded</item>
  </style>

Here you can define the rounded corners:

  <style name="ShapeAppearanceOverlay.MyApp.Dialog.Rounded" parent="">
    <item name="cornerFamily">rounded</item>
    <item name="cornerSize">8dp</item>
  </style>

Works! The best alternative I could find. Setting another drawable modifies the size of the dialog box, so it is not an option — Nicolás Vera, Dec 18 '19 at 07:56
What a great answer, this suppose to be the correct answer, I agree with @NicolásVera — MusabAlothman, Aug 30 '22 at 08:26

score 0 · Answer 3 · edited Aug 31 '22 at 11:29

0

You can create your customview by extending the alert dialog class.

But I would recommend a PopupWindow or a subview that you show with an animation when a specific action performed.

Or you can make an activity with a transparent background by adding this attribute to your Manifest.xml file:

  android:theme="@android:style/Theme.Translucent"

edited Aug 31 '22 at 11:29

Peter Mortensen

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21
105
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answered Jan 18 '17 at 12:53

zMabrook

932
7
9

score 0 · Answer 4 · edited Aug 31 '22 at 11:33

0

Try this. It worked for me like a charm.

I am working on sdkversion 28 with a minimum SDK version 19.

dialog.getWindow().setBackgroundDrawable(new ColorDrawable(android.graphics.Color.TRANSPARENT));

edited Aug 31 '22 at 11:33

Peter Mortensen

30,738
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answered Jan 25 '19 at 18:28

Aashis Shrestha

342
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13

OP asked for rounded corners *and* transparent background. Do you have any suggestion for the corners? – Bö macht Blau Jan 25 '19 at 18:49

score -2 · Answer 5 · edited Aug 31 '22 at 11:26

Try it...

 final Dialog dialog = new Dialog(context);

 // Include the dialog.xml file
 dialog.setContentView(R.layout.your_custom_layout);

 // Set the dialog title
 //dialog.setTitle("Custom Dialog");

 // Set values for custom dialog components - 
 // text, image and button
 final EditText name = (EditText) dialog.findViewById(R.id.name_edit);

 dialog.show();

 /
 Button editButton = (Button) dialog.findViewById(R.id.editbtn);

 // If the decline button is clicked, close the custom dialog
 editButton.setOnClickListener(new View.OnClickListener() {
     @Override
     public void onClick(View v) {
         // Close dialog

         dialog.dismiss();
     }
 });

 final Button cancenbtn = (Button) dialog.findViewById(R.id.cancelbtn);

 // If the decline button is clicked, close the custom dialog
 cancelnbtn.setOnClickListener(new View.OnClickListener() {
     @Override
     public void onClick(View v) {
         // Close dialog

         dialog.dismiss();
     }
 });

Custom alert dialog with rounded corners and a transparent background

5 Answers5

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