Use that Layout
:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="0.90">
</LinearLayout>
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="0.10"
android:background="#ffFF9800"
android:layout_gravity="center_vertical">
<LinearLayout
android:orientation="horizontal"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="right"
android:layout_marginRight="20dp">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="LOG IN >"
android:id="@+id/textView76"
android:textSize="20sp"
android:textColor="#fff"
android:layout_gravity="center_vertical"/>
</LinearLayout>
</LinearLayout>
</LinearLayout>
2
solved Rectangle at the bottom of the activity