Added next/prev buttons to service list and live list.

app/src/main/java/org/openlp/android2/OpenLP.java

@@ -121,23 +121,29 @@ public class OpenLP extends ActionBarActivity
                         .replace(R.id.container, HomeFragment.newInstance())
                         .commit();
                 mTitle = getString(R.string.home);
+                toggerContainer(R.id.next_button, View.GONE);
+                toggerContainer(R.id.prev_button, View.GONE);
                 break;
             case NavigationOptions.ServiceList:
                 singleTab();
                 fragmentManager.beginTransaction()
-                        .replace(R.id.container, ServiceListFragment.newInstance())
+                        .replace(R.id.container, ServiceListFragment.newInstance(), "servicelist")
                         .commit();
                 mTitle = getString(R.string.service_list);
+                toggerContainer(R.id.next_button, View.VISIBLE);
+                toggerContainer(R.id.prev_button, View.VISIBLE);
                 break;
             case NavigationOptions.LiveList:
                 duelTab();
                 fragmentManager.beginTransaction()
-                        .replace(R.id.container_left, ServiceListFragment.newInstance())
+                        .replace(R.id.container_left, ServiceListFragment.newInstance(), "servicelist")
                         .commit();
                 fragmentManager.beginTransaction()
                         .replace(R.id.container_right, LiveListFragment.newInstance())
                         .commit();
                 mTitle = getString(R.string.live_list);
+                toggerContainer(R.id.next_button, View.VISIBLE);
+                toggerContainer(R.id.prev_button, View.VISIBLE);
                 break;
             case NavigationOptions.StageView:
                 singleTab();
@@ -145,6 +151,8 @@ public class OpenLP extends ActionBarActivity
                         .replace(R.id.container, StageWebFragment.newInstance())
                         .commit();
                 mTitle = getString(R.string.stage_view);
+                toggerContainer(R.id.next_button, View.GONE);
+                toggerContainer(R.id.prev_button, View.GONE);
                 break;
             case NavigationOptions.LiveView:
                 singleTab();
@@ -152,6 +160,8 @@ public class OpenLP extends ActionBarActivity
                         .replace(R.id.container, LiveWebFragment.newInstance())
                         .commit();
                 mTitle = getString(R.string.live_view);
+                toggerContainer(R.id.next_button, View.GONE);
+                toggerContainer(R.id.prev_button, View.GONE);
                 break;
         }
     }
@@ -256,4 +266,14 @@ public class OpenLP extends ActionBarActivity
             fragment.refreshDisplay();
         }
     }
+
+    public void next(View view) {
+        ServiceListFragment serviceListFragment = (ServiceListFragment) getFragmentManager().findFragmentByTag("servicelist");
+        serviceListFragment.next();
+    }
+
+    public void previous(View view) {
+        ServiceListFragment serviceListFragment = (ServiceListFragment) getFragmentManager().findFragmentByTag("servicelist");
+        serviceListFragment.previous();
+    }
 }

app/src/main/java/org/openlp/android2/common/OpenLPFragment.java

@@ -30,6 +30,7 @@ import com.loopj.android.http.AsyncHttpClient;
 import com.loopj.android.http.TextHttpResponseHandler;
 import org.apache.http.Header;
 import org.openlp.android2.R;
+import org.openlp.android2.api.Api;
 
 abstract public class OpenLPFragment extends ListFragment{
 
@@ -83,4 +84,14 @@ abstract public class OpenLPFragment extends ListFragment{
             processUpdate(response, notInError);
         }
     }
+
+    public void next() {
+        Log.d(LOG_TAG, "Going to next slide");
+        triggerTextRequest(Api.LIVE_NEXT);
+    }
+
+    public void previous() {
+        Log.d(LOG_TAG, "Going to previous slide");
+        triggerTextRequest(Api.LIVE_PREVIOUS);
+    }
 }

app/src/main/res/layout/activity_main.xml

@@ -32,7 +32,29 @@
             android:layout_height="wrap_content"
             android:layout_marginLeft="5dp" />
     </LinearLayout>
+    <FrameLayout
+        android:layout_width="fill_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical">
+        <Button
+            android:id="@+id/next_button"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="bottom|end"
+            android:text="@string/next"
+            android:onClick="next"
+            android:visibility="gone" />
 
+        <Button
+            android:id="@+id/prev_button"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="bottom|start"
+            android:text="@string/previous"
+            android:onClick="previous"
+            android:visibility="gone" />
+
+    </FrameLayout>
     <!-- android:layout_gravity="start" tells DrawerLayout to treat
          this as a sliding drawer on the left side for left-to-right
          languages and on the right side for right-to-left languages.

app/src/main/res/values/strings.xml

@@ -28,7 +28,7 @@
     <string name="custom_timeout">Set Custom Timeout</string>
     <string name="display_blank_summary">Select the required display</string>
     <string name="display_desktop">Display Desktop background</string>
-    <string name="display_list_autoscroll">Allow the selected item to sctoll to the centre of the list</string>
+    <string name="display_list_autoscroll">Allow the selected item to scroll to the centre of the list</string>
     <string name="display_reset">Show Live display</string>
     <string name="display_settings">Display Setting</string>
     <string name="display_screen">Display Black only</string>
@@ -39,11 +39,13 @@
     <string name="home">Home</string>    
     <string name="httpreturn_unauthorised">Unauthorised Access, please enter valid username and password</string>
     <string name="live_list">Live List</string>
-    <string name="live_view">LiveView</string>
+    <string name="live_view">Live View</string>
     <string name="navigation_drawer_open">Open navigation drawer</string>
     <string name="navigation_drawer_close">Close navigation drawer</string>
+    <string name="next">Next</string>
     <string name="none">None</string>
     <string name="port">Port</string>
+    <string name="previous">Previous</string>
     <string name="process">Process</string>
     <string name="service_list">Service List</string>
     <string name="stage_view">Stage View</string>
@@ -52,4 +54,7 @@
     <string name="title_activity_settings">Settings</string>
     <string name="url_hint">Hostname or IP</string>
     <string name="unable">Unable to process request - check network settings</string>
+
+<!-- TODO: Remove or change this placeholder text -->
+    <string name="hello_blank_fragment">Hello blank fragment</string>
 </resources>