Twidere-App-Android-Twitter-Mastodon/twidere/src/main/res/layout/activity_api_editor.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  ~ Twidere - Twitter client for Android
  ~
  ~  Copyright (C) 2012-2014 Mariotaku Lee <mariotaku.lee@gmail.com>
  ~
  ~  This program is free software: you can redistribute it and/or modify
  ~  it under the terms of the GNU General Public License as published by
  ~  the Free Software Foundation, either version 3 of the License, or
  ~  (at your option) any later version.
  ~
  ~  This program is distributed in the hope that it will be useful,
  ~  but WITHOUT ANY WARRANTY; without even the implied warranty of
  ~  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  ~  GNU General Public License for more details.
  ~
  ~  You should have received a copy of the GNU General Public License
  ~  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  -->
<!-- I don't know why dialog doesn't work unless wrapped with a RelativeLayout -->
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="wrap_content">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:divider="?android:dividerVertical"
        android:orientation="vertical"
        android:showDividers="middle"
        tools:context=".activity.APIEditorActivity">

        <include
            layout="@layout/layout_api_editor"
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_weight="1"/>

        <Button
            android:id="@+id/save"
            style="?android:borderlessButtonStyle"
            android:layout_width="match_parent"
            android:layout_height="@dimen/button_bar_height"
            android:gravity="center"
            android:text="@android:string/ok"/>

    </LinearLayout>
</RelativeLayout>