Try this way
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/coordinatorlayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal">
<CheckBox
android:id="@+id/checkBox"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="8dp"
android:layout_marginBottom="8dp" />
<EditText
android:id="@+id/editText"
android:layout_width="match_parent"
android:layout_height="43dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:layout_marginBottom="8dp"
android:drawableEnd="@drawable/ic_fav"
android:ems="10"
android:inputType="textPersonName"
android:text="Name" />
</LinearLayout>
Use Following Code for that
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="35dp"
android:orientation="horizontal" >
<TextView
android:id="@+id/lblExpenseCancel"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_marginTop="9dp"
android:text="@string/cancel"
android:textColor="#404040"
android:textSize="20sp" />
<Button
android:id="@+id/btnAddExpense"
android:layout_width="wrap_content"
android:layout_height="45dp"
android:layout_alignParentRight="true"
android:layout_marginLeft="10dp"
android:layout_marginRight="15dp"
android:background="@drawable/stitch_button"
android:text="@string/add" />
</RelativeLayout>
