started work on call history

app/src/main/AndroidManifest.xml

@@ -36,7 +36,7 @@
     <uses-permission android:name="android.permission.KILL_BACKGROUND_PROCESSES" />
 
     <application
-        
+
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
@@ -82,6 +82,16 @@
                 android:value="com.tutpro.baresip.MainActivity" />
         </activity>
 
+        <activity
+            android:name=".HistoryActivity"
+            android:label="Call History"
+            android:parentActivityName=".MainActivity"
+            android:theme="@style/AppTheme">
+            <meta-data
+                android:name="android.support.PARENT_ACTIVITY"
+                android:value="com.tutpro.baresip.MainActivity" />
+        </activity>
+
         <activity
             android:name=".AboutActivity"
             android:label="About"
@@ -95,4 +105,4 @@
     </application>
 
 </manifest>
-  
+