I'm trying to put those two buttons in the bottom of my layer. But when I put the gravity of them to "bottom" nothing happens. Please help me. I have tried to put the gravity of my second linearLayout "bottom" too with wrap_content as height but still not working.
[![<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:paddingBottom="@dimen/activity_vertical_margin"
tools:context="com.emmanuilvaresis.oldiefinder.AppSettings"
android:orientation="vertical"
android:background="@drawable/background_img">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textStyle="italic"
android:textSize="22sp"
android:text="@string/keyword"
android:id="@+id/lblKeyword"
android:textColor="#ffffff" />
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/txtKeyword"
android:textSize="20sp"
android:textColor="#cacaca" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textStyle="italic"
android:textSize="22sp"
android:text="@string/number"
android:id="@+id/lblNumber"
android:textColor="#ffffff" />
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/txtNumber"
android:textSize="20sp"
android:textColor="#cacaca" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textStyle="italic"
android:textSize="22sp"
android:text="@string/address"
android:id="@+id/lblAddress"
android:textColor="#ffffff" />
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/txtAddress"
android:textSize="20sp"
android:textColor="#cacaca"
android:hint="@string/addresshint"
android:textColorHint="#cacaca" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/btnOK"
android:text="@string/btnOK"
android:layout_gravity="bottom" />
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/btnCancel"
android:text="@string/btncancel"
android:layout_gravity="bottom|center" />
</LinearLayout>
</LinearLayout>][1]][1]