Extend user status log message size

app/src/main/java/info/nightscout/android/medtronic/MainActivity.java

@@ -663,7 +663,7 @@ public class MainActivity extends AppCompatActivity implements OnSharedPreferenc
             }
         }
 
-        private Queue<StatusMessage> messages = new ArrayBlockingQueue<>(10);
+        private Queue<StatusMessage> messages = new ArrayBlockingQueue<>(400);
 
         @Override
         public void onReceive(Context context, Intent intent) {
@@ -671,7 +671,7 @@ public class MainActivity extends AppCompatActivity implements OnSharedPreferenc
             Log.i(TAG, "Message Receiver: " + message);
 
             synchronized (messages) {
-                while (messages.size() > 8) {
+                while (messages.size() > 398) {
                     messages.poll();
                 }
                 messages.add(new StatusMessage(message));

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

@@ -128,18 +128,21 @@
         android:id="@+id/scrollView"
         android:layout_width="match_parent"
         android:layout_height="fill_parent">
+        android:gravity="bottom"
 
         <LinearLayout
             android:orientation="vertical"
             android:layout_width="match_parent"
             android:layout_height="wrap_content">
+            android:gravity="bottom"
 
             <TextView
                 android:id="@+id/textview_log"
                 android:layout_width="fill_parent"
                 android:layout_height="wrap_content"
                 android:layout_margin="10sp"
-                android:maxLines="20"
+                android:maxLines="800"
+                android:gravity="bottom"
                 android:text="" />
         </LinearLayout>
     </ScrollView>