Added an empty list message to the Radar screen

app/src/main/java/com/rtbishop/look4sat/presentation/passesScreen/PassesFragment.kt

@@ -141,12 +141,8 @@ class PassesFragment : Fragment(R.layout.fragment_passes), PassesAdapter.PassesC
                     tickMainTimer(state.data)
                     if (state.data.isNotEmpty()) { // show new passes list
                         passesEmpty.visibility = View.INVISIBLE
-                        passesBtnRefresh.isEnabled = true
-                        refreshAnimator?.cancel()
                     } else { // show no passes message
                         passesEmpty.visibility = View.VISIBLE
-                        passesBtnRefresh.isEnabled = true
-                        refreshAnimator?.cancel()
                     }
                 }
                 is DataState.Loading -> {
@@ -175,6 +171,8 @@ class PassesFragment : Fragment(R.layout.fragment_passes), PassesAdapter.PassesC
             } else {
                 passesTimer.text = 0L.toTimerString()
             }
+            passesBtnRefresh.isEnabled = true
+            refreshAnimator?.cancel()
         }
     }
 }

app/src/main/java/com/rtbishop/look4sat/presentation/radarScreen/RadarFragment.kt

@@ -89,9 +89,10 @@ class RadarFragment : Fragment(R.layout.fragment_radar) {
                 viewModel.transmitters.observe(viewLifecycleOwner) { list ->
                     if (list.isNotEmpty()) {
                         radioAdapter.submitList(list)
-                        radarEmptyMsg.text = getString(R.string.radio_data)
+                        radarProgress.visibility = View.INVISIBLE
                     } else {
-                        radarEmptyMsg.text = getString(R.string.radio_no_data)
+                        radarProgress.visibility = View.INVISIBLE
+                        radarEmptyLayout.visibility = View.VISIBLE
                     }
                     radarView?.invalidate()
                 }

app/src/main/java/com/rtbishop/look4sat/presentation/radarScreen/RadarViewModel.kt

@@ -111,6 +111,7 @@ class RadarViewModel @Inject constructor(
 
     private fun processTransmitters(pass: SatPass) {
         viewModelScope.launch {
+            delay(125)
             val transmitters = repository.getRadiosWithId(pass.catNum)
             while (isActive) {
                 val time = System.currentTimeMillis()

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"
@@ -144,8 +145,25 @@
 
         <ProgressBar
             android:id="@+id/radar_progress"
-            style="@style/RecyclerProgress"
+            style="@style/RecyclerProgress" />
-            android:visibility="invisible" />
+
+        <LinearLayout
+            android:id="@+id/radar_empty_layout"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            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"
@@ -155,8 +173,9 @@
                 android:gravity="center"
                 android:includeFontPadding="false"
                 android:text="@string/radio_no_data"
-            android:textSize="@dimen/text_size_medium"
+                android:textSize="@dimen/text_size_mediumLarge" />
-            android:visibility="invisible" />
+
+        </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>