Center Message in Android Dialog Box

Center message in android dialog box

Create your own TextView object and then supply it to popup builder as View:

AlertDialog.Builder popupBuilder = new AlertDialog.Builder(this);
TextView myMsg = new TextView(this);
myMsg.setText("Central");
myMsg.setGravity(Gravity.CENTER_HORIZONTAL);
popupBuilder.setView(myMsg);

You can control all other text parameters (style, color, size ...). To control margins you may programatically create LinearLayout, set LayoutParams, and then put TextView into it.

How to center text in Alert Dialog Builder?

Instead of setting the message, use AlertDialog.Builder.setView(View) with a View with centred text

Kotlin - Center message in AlertDialog

Change R.id.message to android.R.id.message since you want a view that was declared in the android package.

val mw = alertDialog.findViewById<TextView>(android.R.id.message)
mw.gravity = Gravity.CENTER

Centre message in AlertDialog box

Add android:gravity="center" to TextView with id R.id.title_text in your layout R.layout.simple_dialog.

 <TextView
            android:id="@+id/title_text"
            android:layout_width="match_parent"
            android:gravity="center"
            android:layout_height="wrap_content" />

To center default message TextView you have to get the TextView from dialog after show().

 alertDialog.show();
            TextView messageView = (TextView)alertDialog.findViewById(android.R.id.message);
            messageView.setGravity(Gravity.CENTER);

I do not know if its a good approach but you can also set the custom view to whole dialog then things can be handled easily.

how to make center MaterialAlertDialogBuilder alignment title, message & button

For the the title and the message you can use:

    <style name="MaterialAlertDialog__Center" parent="@style/ThemeOverlay.MaterialComponents.MaterialAlertDialog">
        <item name="materialAlertDialogTitlePanelStyle">@style/Title.Panel.Center</item>
        <item name="materialAlertDialogBodyTextStyle">@style/Message.Center</item>
    </style>

    <style name="Title.Panel.Center" parent="MaterialAlertDialog.MaterialComponents.Title.Panel">
        <item name="android:gravity">center_horizontal</item>
    </style>

    <style name="Message.Center" parent="MaterialAlertDialog.MaterialComponents.Body.Text">
        <item name="android:gravity">center_horizontal</item>
    </style>

with:

MaterialAlertDialogBuilder(this, R.style.MaterialAlertDialog_Center)
                .setTitle("Message")
                ..
                .show()

Custom dialog on Android: How can I center its title?

Just found this post while trying to figure out how to do the same thing. Here's how I did it for anyone else that finds this in the future.

Style xml is as follows:

    <?xml version="1.0" encoding="utf-8"?>
    <resources>
        <style name="PauseDialog" parent="@android:style/Theme.Dialog">
            <item name="android:windowTitleStyle">@style/PauseDialogTitle</item>
        </style>

        <style name="PauseDialogTitle" parent="@android:style/TextAppearance.DialogWindowTitle">
            <item name="android:gravity">center_horizontal</item>
        </style>
        <style name="DialogWindowTitle">
        <item name="android:maxLines">1</item>
        <item name="android:scrollHorizontally">true</item>
        <item name="android:textAppearance">@android:style/TextAppearance.DialogWindowTitle</item>
        </style>
    </resources>

And in my activities onCreateDialog method for the dialog I want styled I create the dialog like this:

Dialog pauseDialog = new Dialog(this, R.style.PauseDialog);
pauseDialog.setTitle(R.string.pause_menu_label);
pauseDialog.setContentView(R.layout.pause_menu);

align AlertDialog buttons to center

This worked for me :

    final AlertDialog.Builder builder = new AlertDialog.Builder(getActivity(), R.style.AppCompatAlertDialogStyle);
    builder.setCancelable(true);
    builder.setTitle(title);
    builder.setMessage(message);

    builder.setPositiveButton("OK", new DialogInterface.OnClickListener() {
        @Override
        public void onClick(DialogInterface dialog, int which) {

        }
    });

    final AlertDialog dialog = builder.create();
    dialog.show(); //show() should be called before dialog.getButton().

    final Button positiveButton = dialog.getButton(AlertDialog.BUTTON_POSITIVE);
    LinearLayout.LayoutParams positiveButtonLL = (LinearLayout.LayoutParams) positiveButton.getLayoutParams();
    positiveButtonLL.gravity = Gravity.CENTER;
    positiveButton.setLayoutParams(positiveButtonLL);

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