android - How to add Action Bar in relativeLayout -

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actually want put action bar menu layout given below, no getting how put action bar menu it. can me in fixing problem...

    <?xml version="1.0" encoding="utf-8"?>   <relativelayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingleft="16dp" android:paddingright="16dp" android:id="@id/action_bar" >   <button     android:layout_width="wrap_content"     android:layout_height="wrap_content"     android:text="enable pin"     android:id="@+id/button"     android:layout_marginbottom="140dp"     android:layout_alignparentbottom="true"     android:layout_alignend="@+id/button2"     android:layout_alignstart="@+id/button2" />  <button     android:layout_width="wrap_content"     android:layout_height="wrap_content"     android:text="enable pattern"     android:id="@+id/button2"     android:layout_alignparentbottom="true"     android:layout_centerhorizontal="true"     android:layout_marginbottom="51dp" />  </relativelayout>

first must use tool bar because action bar deprecated , add below code layout 

<?xml version="1.0" encoding="utf-8"?> <linearlayout     xmlns:android="http://schemas.android.com/apk/res/android"     android:layout_width="match_parent"     android:layout_height="match_parent"     android:orientation="vertical"     android:background="@drawable/back">     <android.support.v7.widget.toolbar         android:id="@+id/toolbar"         android:layout_width="match_parent"         android:layout_height="?attr/actionbarsize"         android:background="?attr/colorprimary"         android:fitssystemwindows="true"         />  <!-- add other layout component here --> </linearlayout>

and in activity must extend form appcompactactivity below:

public class mainactivity extends appcompatactivity {  private toolbar toolbar;  @override protected void oncreate(bundle savedinstancestate) {     super.oncreate(savedinstancestate);     setcontentview(r.layout.yourlayout);      toolbar toolbar = (toolbar) findviewbyid(r.id.toolbar);      setsupportactionbar(toolbar);  } }

and in style.xml add code: specially parent="theme.appcompat.light.noactionbar" 

<style name="apptheme" parent="theme.appcompat.light.noactionbar">     <item name="colorprimary">@color/primary</item>     <item name="colorprimarydark">@color/primary_dark</item>     <item name="coloraccent">@color/accent</item> </style>

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