Amazfit Bip: fixes to the activities activity

- Prevent the swipe-to-refresh unless we are on top of the list
- Show the most recent activities on top of the list

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/adapter/ActivitySummariesAdapter.java

@@ -3,6 +3,7 @@ package nodomain.freeyourgadget.gadgetbridge.adapter;
 import android.content.Context;
 import android.widget.Toast;
 
+import java.util.Collections;
 import java.util.Date;
 import java.util.List;
 
@@ -24,6 +25,7 @@ public class ActivitySummariesAdapter extends AbstractItemAdapter<BaseActivitySu
         try (DBHandler handler = GBApplication.acquireDB()) {
             BaseActivitySummaryDao summaryDao = handler.getDaoSession().getBaseActivitySummaryDao();
             List<BaseActivitySummary> allSummaries = summaryDao.loadAll();
+            Collections.reverse(allSummaries); //we fetch by swiping down, hence it makes sense to have most recent activities on top
             setItems(allSummaries, true);
         } catch (Exception e) {
             GB.toast("Error loading activity summaries.", Toast.LENGTH_SHORT, GB.ERROR, e);

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

@@ -3,14 +3,9 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:orientation="vertical" android:layout_width="match_parent"
-    android:layout_height="match_parent">
-
     <ListView
         android:id="@+id/itemListView"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content" />
 
-</LinearLayout>
 </android.support.v4.widget.SwipeRefreshLayout>