Magisk/app/src/main/res/layout/fragment_install.xml

<?xml version="1.0" encoding="utf-8"?>
<ScrollView
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_marginTop="?attr/actionBarSize"
    android:orientation="vertical">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical">

        <android.support.v7.widget.CardView
            android:id="@+id/install_info_card"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginBottom="4dp"
            android:layout_marginLeft="5dp"
            android:layout_marginRight="5dp"
            android:layout_marginTop="6dp"
            style="?attr/cardStyle"
            app:cardUseCompatPadding="true">

            <LinearLayout
                android:orientation="vertical"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:padding="5dp">

                <TextView
                    android:id="@+id/install_title"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_gravity="center"
                    android:gravity="center"
                    android:padding="5dp"
                    android:textStyle="bold" />

                <TextView
                    android:id="@+id/current_version_title"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_gravity="center"
                    android:gravity="center"
                    android:padding="5dp"
                    android:textStyle="bold" />
            </LinearLayout>

        </android.support.v7.widget.CardView>

        <LinearLayout
            android:orientation="vertical"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:layout_gravity="center"
            android:maxWidth="400dp"
            android:minWidth="400dp">

            <android.support.v7.widget.CardView
                android:id="@+id/bootimage_card"
                android:layout_gravity="center"
                android:layout_height="wrap_content"
                android:layout_marginBottom="4dp"
                android:layout_marginLeft="5dp"
                android:layout_marginRight="5dp"
                android:layout_marginTop="6dp"
                style="?attr/cardStyle"
                app:cardUseCompatPadding="true"
                android:layout_width="match_parent">

                <LinearLayout
                    android:orientation="vertical"
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:layout_marginTop="15dp"
                    android:layout_marginBottom="15dp">

                    <TextView
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
                        android:layout_gravity="center"
                        android:gravity="center"
                        android:paddingBottom="10dp"
                        android:text="@string/boot_image_title"
                        android:textStyle="bold" />

                    <LinearLayout
                        android:orientation="horizontal"
                        android:layout_width="match_parent"
                        android:layout_height="match_parent"
                        android:layout_marginEnd="15dp"
                        android:layout_marginStart="15dp">

                        <Spinner
                            android:layout_width="0dp"
                            android:layout_height="match_parent"
                            android:id="@+id/block_spinner"
                            android:layout_weight="1" />

                        <Button
                            android:text="@string/detect_button"
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:id="@+id/detect_bootimage"/>
                    </LinearLayout>

                </LinearLayout>

            </android.support.v7.widget.CardView>

            <android.support.v7.widget.CardView
                android:id="@+id/install_option_card"
                android:layout_gravity="center"
                android:layout_height="wrap_content"
                android:layout_marginBottom="4dp"
                android:layout_marginLeft="5dp"
                android:layout_marginRight="5dp"
                android:layout_marginTop="6dp"
                style="?attr/cardStyle"
                app:cardUseCompatPadding="true"
                android:layout_width="match_parent">


                <LinearLayout
                    android:orientation="vertical"
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:layout_marginTop="15dp"
                    android:layout_marginBottom="15dp">

                    <TextView
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
                        android:layout_gravity="center"
                        android:gravity="center"
                        android:paddingBottom="10dp"
                        android:text="@string/advanced_settings_title"
                        android:textStyle="bold" />

                    <CheckBox
                        android:text="@string/keep_force_encryption"
                        android:id="@+id/keep_force_enc"
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
                        android:layout_marginEnd="25dp"
                        android:layout_marginStart="25dp" />

                    <CheckBox
                        android:text="@string/keep_dm_verity"
                        android:id="@+id/keep_verity"
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
                        android:layout_marginEnd="25dp"
                        android:layout_marginStart="25dp" />

                </LinearLayout>
            </android.support.v7.widget.CardView>

            <android.support.v7.widget.CardView
                android:id="@+id/flash_button"
                android:layout_gravity="center"
                android:layout_height="wrap_content"
                android:layout_marginBottom="4dp"
                android:layout_marginLeft="5dp"
                android:layout_marginRight="5dp"
                android:layout_marginTop="6dp"
                style="?attr/cardStyle"
                app:cardUseCompatPadding="true"
                android:layout_width="match_parent"
                android:foreground="?android:attr/selectableItemBackground"
                android:clickable="true">

                <LinearLayout
                    android:orientation="horizontal"
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:layout_marginTop="5dp"
                    android:layout_marginBottom="5dp"
                    android:layout_marginEnd="25dp"
                    android:layout_marginStart="25dp">

                    <ImageView
                        android:layout_width="50dp"
                        android:layout_height="wrap_content"
                        app:srcCompat="@mipmap/ic_launcher"
                        android:id="@+id/imageView"
                        android:layout_weight="0"
                        android:layout_marginEnd="20dp"/>

                    <TextView
                        android:layout_width="match_parent"
                        android:layout_height="match_parent"
                        android:text="@string/magiskify"
                        android:ems="10"
                        android:gravity="center"
                        android:layout_weight="1"
                        android:textStyle="bold"
                        android:textAllCaps="false"
                        android:textSize="20sp"
                        android:fontFamily="sans-serif" />

                    <FrameLayout
                        android:layout_width="50dp"
                        android:layout_height="match_parent"
                        android:layout_weight="0"
                        android:layout_marginStart="20dp">

                    </FrameLayout>

                </LinearLayout>

            </android.support.v7.widget.CardView>

            <android.support.v7.widget.CardView
                android:id="@+id/uninstall_button"
                android:layout_gravity="center"
                android:layout_height="wrap_content"
                android:layout_marginBottom="4dp"
                android:layout_marginLeft="5dp"
                android:layout_marginRight="5dp"
                android:layout_marginTop="6dp"
                style="?attr/cardStyle"
                app:cardUseCompatPadding="true"
                android:layout_width="match_parent"
                android:foreground="?android:attr/selectableItemBackground"
                android:clickable="true">

                <TextView
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:text="@string/uninstall"
                    android:ems="10"
                    android:gravity="center"
                    android:layout_marginTop="10dp"
                    android:layout_marginBottom="10dp"
                    android:textStyle="bold"
                    android:textAllCaps="false"
                    android:textSize="20sp"
                    android:fontFamily="sans-serif" />

            </android.support.v7.widget.CardView>


        </LinearLayout>

    </LinearLayout>


</ScrollView>