Step 1: Import appcompat from your adt-bundle folder to your eclipse .
Link:
adt-bundle-windows-x86-20130917\adt-bundle-windows-x86-20130917\sdk\extras\android\support\v7\appcompat
Step 2: Make it a Library.
-Right Click on android-support-v7-appcompat.
-click on properties.
-click on Android(below resource).
-Mark it as "isLibrary".
Step 3: Use it in your project.
-Right Click on your Project.
-click on properties.
-click on Android(below resource).
-click on "Add".
-click on android-support-v7-appcompat to make it your Library for your project.
Step 4: call Action Bar in you Activity.
ActionBar actionBar = getSupportActionBar();
actionBar.setDisplayHomeAsUpEnabled(true);
Step 5: Make an styles.Xml file in "Values" folder if do not exist and add under mention code.
<resources>
<style name="ProgressBarStyle" parent="@android:style/Widget.ProgressBar.Horizontal"/>
</resources>
Step 6: Update your manifest File, add it under "application".
android:theme="@style/Theme.Base.AppCompat.Light.DarkActionBar"
ALL THE BEST, revert back if you face any problem.