Add "learn more" link for providing additional information.

Change-Id: I3bb3480491d5f92ed7c4e3e6b5cf233636c4bb64

android/sdremote/AndroidManifest.xml

@@ -78,6 +78,13 @@
         <activity
             android:name=".activity.RequirementsActivity"
             android:label="@string/title_requirements">
+
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW"/>
+                <data android:scheme="org.libreoffice.impressremote"/>
+                <category android:name="android.intent.category.DEFAULT"/>
+            </intent-filter>
+
         </activity>
 
         <activity

android/sdremote/res/layout/fragment_computers_list.xml

@@ -48,6 +48,15 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"/>
 
+        <TextView
+            android:id="@+id/text_learn_more"
+            android:text="@string/message_learn_more"
+            android:layout_gravity="center_horizontal"
+            android:visibility="invisible"
+            android:paddingTop="@dimen/padding_vertical_learn_more"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"/>
+
     </LinearLayout>
 
     <ListView

android/sdremote/res/values/dimens.xml

@@ -44,6 +44,7 @@
     <dimen name="padding_vertical_error_message">12dp</dimen>
     <dimen name="padding_vertical_edit">8dp</dimen>
     <dimen name="padding_vertical_progress_message">8dp</dimen>
+    <dimen name="padding_vertical_learn_more">4dp</dimen>
 
     <dimen name="margin_vertical_action_bar_divider">12dp</dimen>
     <dimen name="margin_slide">8dp</dimen>

android/sdremote/res/values/strings.xml

@@ -59,9 +59,9 @@
     <string name="message_time_is_up">Time is up!</string>
     <string name="message_search_wifi">Make sure LibreOffice is running on a computer on the same WiFi network.</string>
     <string name="message_search_bluetooth">Make sure LibreOffice is running on a computer with Bluetooth enabled.</string>
+    <string name="message_learn_more"><a href="org.libreoffice.impressremote://requirements/">Learn more</a></string>
     <string name="message_paused">Paused</string>
     <string name="message_notes_empty">Nothing here.</string>
-
     <string name="hint_ip_address">IP address</string>
     <string name="hint_name">Name (optional)</string>
 

android/sdremote/src/org/libreoffice/impressremote/fragment/ComputersFragment.java

@@ -23,7 +23,10 @@ import android.os.Bundle;
 import android.os.Handler;
 import android.os.IBinder;
 import android.support.v4.content.LocalBroadcastManager;
+import android.text.Html;
 import android.text.TextUtils;
+import android.text.method.LinkMovementMethod;
+import android.text.util.Linkify;
 import android.view.ContextMenu;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -107,6 +110,7 @@ public class ComputersFragment extends SherlockListFragment implements ServiceCo
 
         if (aProgressMessageDisplayed) {
             showProgressMessage();
+            showLearnMoreMessage();
         }
     }
 
@@ -124,6 +128,20 @@ public class ComputersFragment extends SherlockListFragment implements ServiceCo
         return (TextView) getView().findViewById(R.id.text_progress_message);
     }
 
+    private void showLearnMoreMessage() {
+        TextView learnMoreView = getLearnMoreView();
+        Animation aFadeInAnimation = AnimationUtils.loadAnimation(getActivity(), android.R.anim.fade_in);
+
+        learnMoreView.setMovementMethod(LinkMovementMethod.getInstance());
+
+        learnMoreView.startAnimation(aFadeInAnimation);
+        learnMoreView.setVisibility(View.VISIBLE);
+    }
+
+    private TextView getLearnMoreView() {
+        return (TextView) getView().findViewById(R.id.text_learn_more);
+    }
+
     private String getProgressMessage() {
         switch (getType()) {
             case WIFI:
@@ -238,6 +256,7 @@ public class ComputersFragment extends SherlockListFragment implements ServiceCo
         }
 
         showProgressMessage();
+        showLearnMoreMessage();
     }
 
     private boolean isShowingProgressMessageRequired() {