add button to hide autofill info text in Group activity, closes #311

.gitignore

@@ -158,3 +158,5 @@ src/java/KP2ASoftkeyboard_AS/build/generated/mockable-android-23.jar
 *.rawproto
 src/java/Keepass2AndroidPluginSDK2/build/generated/mockable-Google-Inc.-Google-APIs-23.jar
 /src/.vs
+/src/JavaFileStorageBindings/Jars/JavaFileStorage-release.aar
+/src/PluginSdkBinding/Jars/app-debug.aar

src/keepass2android/GroupBaseActivity.cs

@@ -339,6 +339,17 @@ namespace keepass2android
                 };
             }
 
+            _prefs.Edit().PutBoolean(autofillservicewasenabled_prefskey, false).Commit();
+
+            if (FindViewById(Resource.Id.info_dont_show_autofill_again) != null)
+            {
+                FindViewById(Resource.Id.info_dont_show_autofill_again).Click += (sender, args) =>
+                {
+                    _prefs.Edit().PutBoolean(autofillservicewasenabled_prefskey, true).Commit();
+                    UpdateAutofillInfo();
+                };
+            }
+
             if (FindViewById(Resource.Id.fabCancelAddNew) != null)
             {
                 FindViewById(Resource.Id.fabAddNew).Click += (sender, args) =>
@@ -545,6 +556,8 @@ namespace keepass2android
             return _prefs.GetBoolean("InfoTextDisabled_" + infoTextKey, false);
         }
 
+        const string autofillservicewasenabled_prefskey = "AutofillServiceWasEnabled";
+
         private void UpdateAutofillInfo()
         {
             bool canShowAutofillInfo = false;
@@ -553,16 +566,15 @@ namespace keepass2android
                   !((AutofillManager)GetSystemService(Java.Lang.Class.FromType(typeof(AutofillManager))))
                       .IsAutofillSupported))
             {
-                const string autofillservicewasenabled = "AutofillServiceWasEnabled";
                 if (!((AutofillManager)GetSystemService(Java.Lang.Class.FromType(typeof(AutofillManager))))
                     .HasEnabledAutofillServices)
                 {
-                    if (!_prefs.GetBoolean(autofillservicewasenabled, false))
+                    if (!_prefs.GetBoolean(autofillservicewasenabled_prefskey, false))
                         canShowAutofillInfo = true;
                 }
                 else
                 {
-                    _prefs.Edit().PutBoolean(autofillservicewasenabled, true).Commit();
+                    _prefs.Edit().PutBoolean(autofillservicewasenabled_prefskey, true).Commit();
 
                 }
             }

src/keepass2android/Resources/layout/group.xml

@@ -76,6 +76,14 @@
             android:text="@string/show_autofill_help"
             style="@style/BottomBarButton" />
         </RelativeLayout>
+
+        <Button
+          android:id="@+id/info_dont_show_autofill_again"
+          android:layout_width="fill_parent"
+          android:layout_height="wrap_content"
+          android:paddingTop="4dp"
+          android:text="@string/dont_show_again"
+          style="@style/BottomBarButton" />
       </LinearLayout>
       <LinearLayout
         android:id="@+id/notification_info_android8_infotext"