Added an empty list message to the Radar screen

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

@@ -77,7 +77,7 @@
             android:layout_width="@dimen/button_width_max"
             android:layout_marginEnd="@dimen/button_margin_side"
             android:layout_gravity="end|center_vertical"
-            android:text="@string/btn_clear" />
+            android:text="@string/btn_clear_all" />
 
     </com.google.android.material.bottomappbar.BottomAppBar>
 

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

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:transitionGroup="true"
@@ -144,19 +145,37 @@
 
         <ProgressBar
             android:id="@+id/radar_progress"
-            style="@style/RecyclerProgress"
-            android:visibility="invisible" />
+            style="@style/RecyclerProgress" />
 
-        <TextView
-            android:id="@+id/radar_empty_msg"
-            android:layout_width="wrap_content"
+        <LinearLayout
+            android:id="@+id/radar_empty_layout"
+            android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_gravity="center"
-            android:gravity="center"
-            android:includeFontPadding="false"
-            android:text="@string/radio_no_data"
-            android:textSize="@dimen/text_size_medium"
-            android:visibility="invisible" />
+            android:orientation="vertical"
+            android:visibility="invisible"
+            tools:ignore="UseCompoundDrawables">
+
+            <ImageView
+                android:id="@+id/radar_empty_img"
+                android:layout_width="64dp"
+                android:layout_height="64dp"
+                android:layout_gravity="center"
+                android:layout_marginBottom="24dp"
+                android:contentDescription="@string/radio_no_data"
+                android:src="@drawable/ic_modes" />
+
+            <TextView
+                android:id="@+id/radar_empty_msg"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center"
+                android:gravity="center"
+                android:includeFontPadding="false"
+                android:text="@string/radio_no_data"
+                android:textSize="@dimen/text_size_mediumLarge" />
+
+        </LinearLayout>
 
     </androidx.cardview.widget.CardView>
 

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

@@ -90,7 +90,7 @@
     <string name="radio_link_low">%.4f</string>
     <string name="radio_link_lowHigh">%.4f - %.4f</string>
     <string name="radio_data">Трансиверы спутника:</string>
-    <string name="radio_no_data">Не найдены трансиверы для этого спутника</string>
+    <string name="radio_no_data">У этого спутника нет трансиверов</string>
     <string name="radio_string_yes">Да</string>
     <string name="radio_string_no">Нет</string>
     <string name="radio_downlink">Даунлинк</string>

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

@@ -12,9 +12,10 @@
     <string name="btn_cancel">Cancel</string>
     <string name="btn_back">Back</string>
     <string name="btn_modes">Modes</string>
-    <string name="btn_select">Select</string>
+    <string name="btn_select">Select all</string>
     <string name="btn_done">Done</string>
     <string name="btn_clear">Clear</string>
+    <string name="btn_clear_all">Clear all</string>
     <string name="btn_refresh">Refresh</string>
     <string name="btn_map">Map</string>
     <string name="btn_filter">Filter</string>
@@ -90,7 +91,7 @@
     <string name="radio_link_low">%.4f</string>
     <string name="radio_link_lowHigh">%.4f - %.4f</string>
     <string name="radio_data">Satellite transceivers:</string>
-    <string name="radio_no_data">No transceivers found for this satellite</string>
+    <string name="radio_no_data">This satellite has no transceivers</string>
     <string name="radio_string_yes">Yes</string>
     <string name="radio_string_no">No</string>
     <string name="radio_downlink">Downlink</string>