habitica-android/Habitica/res/layout/checklist_item_row.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    xmlns:tools="http://schemas.android.com/tools">
    <LinearLayout
        android:orientation="horizontal" android:layout_width="match_parent"
        android:layout_height="fill_parent"
        android:minHeight="@dimen/checklist_item_min_height">
        <FrameLayout
            android:id="@+id/checkBoxHolder"
            android:layout_width="@dimen/button_width"
            android:layout_height="match_parent"
            tools:background="@color/red_10">
            <View
                android:id="@+id/checkBoxBackground"
                android:layout_width="20dp"
                android:layout_height="20dp"
                android:gravity="center"
                android:background="@drawable/checklist_unchecked"
                android:layout_gravity="center" />
            <View
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:background="@color/task_tint_overlay"/>
                <ImageView
                    android:id="@+id/checkmark"
                    android:layout_width="20dp"
                    android:layout_height="20dp"
                    android:layout_gravity="center"
                    android:scaleType="center"
                    android:src="@drawable/checkmark" />
        </FrameLayout>
        <com.habitrpg.android.habitica.ui.views.HabiticaEmojiTextView
            android:id="@+id/checkedTextView"
            style="@style/Body2"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:padding="5dp"
            android:paddingStart="16dp"
            android:layout_gravity="center_vertical"/>
    </LinearLayout>
</FrameLayout>