From 0028f3285dea840ac7c4781c24546fb01a62dc19 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicol=C3=A1s=20S=C3=A1nchez?= <nicolassanchez@tutanota.com>
Date: Tue, 17 Dec 2024 20:03:51 -0300
Subject: [PATCH] rudimentary status bars

---
 .idea/deploymentTargetSelector.xml            |  2 +-
 .../ui/exchanges/BinanceFragment.java         | 16 ++++++++
 .../ui/exchanges/BinanceViewModel.java        |  4 +-
 .../dcav2gui/ui/exchanges/GateioFragment.java |  9 +++++
 .../ui/exchanges/GateioViewModel.java         |  4 +-
 .../dcav2gui/ui/exchanges/KucoinFragment.java |  9 +++++
 .../ui/exchanges/KucoinViewModel.java         |  4 +-
 .../dcav2gui/ui/exchanges/OkxFragment.java    |  9 +++++
 .../dcav2gui/ui/exchanges/OkxViewModel.java   |  4 +-
 .../exchanges/adapters/WorkerCardAdapter.java | 16 ++++++++
 .../res/drawable/status_bar_background.xml    |  7 ++++
 app/src/main/res/layout/fragment_binance.xml  | 37 ++++++++++++++-----
 app/src/main/res/layout/fragment_gateio.xml   | 37 ++++++++++++++-----
 app/src/main/res/layout/fragment_kucoin.xml   | 37 ++++++++++++++-----
 app/src/main/res/layout/fragment_okx.xml      | 37 ++++++++++++++-----
 app/src/main/res/values/colors.xml            |  1 +
 16 files changed, 180 insertions(+), 53 deletions(-)
 create mode 100644 app/src/main/res/drawable/status_bar_background.xml

diff --git a/.idea/deploymentTargetSelector.xml b/.idea/deploymentTargetSelector.xml
index 8b27a4c..0126865 100644
--- a/.idea/deploymentTargetSelector.xml
+++ b/.idea/deploymentTargetSelector.xml
@@ -4,7 +4,7 @@
     <selectionStates>
       <SelectionState runConfigName="app">
         <option name="selectionMode" value="DROPDOWN" />
-        <DropdownSelection timestamp="2024-12-16T13:29:08.700369272Z">
+        <DropdownSelection timestamp="2024-12-17T22:52:32.286553137Z">
           <Target type="DEFAULT_BOOT">
             <handle>
               <DeviceId pluginId="LocalEmulator" identifier="path=/home/nicolas/.android/avd/Pixel_6_Pro_API_34.avd" />
diff --git a/app/src/main/java/com/example/dcav2gui/ui/exchanges/BinanceFragment.java b/app/src/main/java/com/example/dcav2gui/ui/exchanges/BinanceFragment.java
index 570793b..260de1c 100644
--- a/app/src/main/java/com/example/dcav2gui/ui/exchanges/BinanceFragment.java
+++ b/app/src/main/java/com/example/dcav2gui/ui/exchanges/BinanceFragment.java
@@ -5,11 +5,20 @@ import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.TextView;
+
 import androidx.annotation.NonNull;
 import androidx.fragment.app.Fragment;
 import androidx.lifecycle.ViewModelProvider;
+
+import com.example.dcav2gui.InstanceInterface;
+import com.example.dcav2gui.R;
 import com.example.dcav2gui.databinding.FragmentBinanceBinding;
 import com.example.dcav2gui.ui.exchanges.adapters.WorkerCardAdapter;
+import com.example.dcav2gui.ui.exchanges.WorkerData;
+
+import java.util.List;
+import java.util.Locale;
 
 
 public class BinanceFragment extends Fragment {
@@ -17,6 +26,7 @@ public class BinanceFragment extends Fragment {
     private FragmentBinanceBinding binding;
     private BinanceViewModel binanceViewModel;
     private WorkerCardAdapter workerCardAdapter;
+    private TextView statusBar;
 
     @Override
     public View onCreateView(@NonNull LayoutInflater inflater,
@@ -24,16 +34,22 @@ public class BinanceFragment extends Fragment {
         binding = FragmentBinanceBinding.inflate(inflater, container, false);
         View root = binding.getRoot();
 
+        //Initialize status bar
+        statusBar = root.findViewById(R.id.binance_status_bar);
+
         binanceViewModel = new ViewModelProvider(this).get(BinanceViewModel.class);
 
         workerCardAdapter = new WorkerCardAdapter(binding.binanceCardsContainer);
 
         binanceViewModel.getWorkerData().observe(getViewLifecycleOwner(), workerDataList -> {
             if (workerDataList != null) {
+                WorkerCardAdapter.populateStatusBar(statusBar, workerDataList);
                 workerCardAdapter.updateData(workerDataList);
+
             }
         });
 
         return root;
     }
+
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/example/dcav2gui/ui/exchanges/BinanceViewModel.java b/app/src/main/java/com/example/dcav2gui/ui/exchanges/BinanceViewModel.java
index 61a8ec7..5146161 100644
--- a/app/src/main/java/com/example/dcav2gui/ui/exchanges/BinanceViewModel.java
+++ b/app/src/main/java/com/example/dcav2gui/ui/exchanges/BinanceViewModel.java
@@ -42,10 +42,8 @@ public class BinanceViewModel extends AndroidViewModel {
                     List<WorkerData> newData = InstanceInterface.fetchWorkersDataForCards("binance");
                     //System.err.println(newData.toString());
                     workerDataList.postValue(newData);
-                } catch (InterruptedException e) {
+                } catch (InterruptedException | IOException e) {
                     e.printStackTrace();
-                } catch (IOException e) {
-                    throw new RuntimeException(e);
                 }
             }
         }).start();
diff --git a/app/src/main/java/com/example/dcav2gui/ui/exchanges/GateioFragment.java b/app/src/main/java/com/example/dcav2gui/ui/exchanges/GateioFragment.java
index c5e63aa..88bd96c 100644
--- a/app/src/main/java/com/example/dcav2gui/ui/exchanges/GateioFragment.java
+++ b/app/src/main/java/com/example/dcav2gui/ui/exchanges/GateioFragment.java
@@ -4,9 +4,13 @@ import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.TextView;
+
 import androidx.annotation.NonNull;
 import androidx.fragment.app.Fragment;
 import androidx.lifecycle.ViewModelProvider;
+
+import com.example.dcav2gui.R;
 import com.example.dcav2gui.databinding.FragmentGateioBinding;
 import com.example.dcav2gui.ui.exchanges.adapters.WorkerCardAdapter;
 
@@ -16,6 +20,7 @@ public class GateioFragment extends Fragment {
     private FragmentGateioBinding binding;
     private GateioViewModel GateioViewModel;
     private WorkerCardAdapter workerCardAdapter;
+    private TextView statusBar;
 
     @Override
     public View onCreateView(@NonNull LayoutInflater inflater,
@@ -23,12 +28,16 @@ public class GateioFragment extends Fragment {
         binding = FragmentGateioBinding.inflate(inflater, container, false);
         View root = binding.getRoot();
 
+        //Initialize status bar
+        statusBar = root.findViewById(R.id.gateio_status_bar);
+
         GateioViewModel = new ViewModelProvider(this).get(GateioViewModel.class);
 
         workerCardAdapter = new WorkerCardAdapter(binding.gateioCardsContainer);
 
         GateioViewModel.getWorkerData().observe(getViewLifecycleOwner(), workerDataList -> {
             if (workerDataList != null) {
+                WorkerCardAdapter.populateStatusBar(statusBar, workerDataList);
                 workerCardAdapter.updateData(workerDataList);
             }
         });
diff --git a/app/src/main/java/com/example/dcav2gui/ui/exchanges/GateioViewModel.java b/app/src/main/java/com/example/dcav2gui/ui/exchanges/GateioViewModel.java
index 845bbc0..d5609da 100644
--- a/app/src/main/java/com/example/dcav2gui/ui/exchanges/GateioViewModel.java
+++ b/app/src/main/java/com/example/dcav2gui/ui/exchanges/GateioViewModel.java
@@ -41,10 +41,8 @@ public class GateioViewModel extends AndroidViewModel {
                     List<WorkerData> newData = InstanceInterface.fetchWorkersDataForCards("gateio");
                     //System.err.println(newData.toString());
                     workerDataList.postValue(newData);
-                } catch (InterruptedException e) {
+                } catch (InterruptedException | IOException e) {
                     e.printStackTrace();
-                } catch (IOException e) {
-                    throw new RuntimeException(e);
                 }
             }
         }).start();
diff --git a/app/src/main/java/com/example/dcav2gui/ui/exchanges/KucoinFragment.java b/app/src/main/java/com/example/dcav2gui/ui/exchanges/KucoinFragment.java
index bf91ef2..63d0709 100644
--- a/app/src/main/java/com/example/dcav2gui/ui/exchanges/KucoinFragment.java
+++ b/app/src/main/java/com/example/dcav2gui/ui/exchanges/KucoinFragment.java
@@ -4,9 +4,13 @@ import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.TextView;
+
 import androidx.annotation.NonNull;
 import androidx.fragment.app.Fragment;
 import androidx.lifecycle.ViewModelProvider;
+
+import com.example.dcav2gui.R;
 import com.example.dcav2gui.databinding.FragmentKucoinBinding;
 import com.example.dcav2gui.ui.exchanges.adapters.WorkerCardAdapter;
 
@@ -16,6 +20,7 @@ public class KucoinFragment extends Fragment {
     private FragmentKucoinBinding binding;
     private KucoinViewModel KucoinViewModel;
     private WorkerCardAdapter workerCardAdapter;
+    private TextView statusBar;
 
     @Override
     public View onCreateView(@NonNull LayoutInflater inflater,
@@ -23,12 +28,16 @@ public class KucoinFragment extends Fragment {
         binding = FragmentKucoinBinding.inflate(inflater, container, false);
         View root = binding.getRoot();
 
+        //Initialize status bar
+        statusBar = root.findViewById(R.id.kucoin_status_bar);
+
         KucoinViewModel = new ViewModelProvider(this).get(KucoinViewModel.class);
 
         workerCardAdapter = new WorkerCardAdapter(binding.kucoinCardsContainer);
 
         KucoinViewModel.getWorkerData().observe(getViewLifecycleOwner(), workerDataList -> {
             if (workerDataList != null) {
+                WorkerCardAdapter.populateStatusBar(statusBar, workerDataList);
                 workerCardAdapter.updateData(workerDataList);
             }
         });
diff --git a/app/src/main/java/com/example/dcav2gui/ui/exchanges/KucoinViewModel.java b/app/src/main/java/com/example/dcav2gui/ui/exchanges/KucoinViewModel.java
index 86d0f56..72a2661 100644
--- a/app/src/main/java/com/example/dcav2gui/ui/exchanges/KucoinViewModel.java
+++ b/app/src/main/java/com/example/dcav2gui/ui/exchanges/KucoinViewModel.java
@@ -41,10 +41,8 @@ public class KucoinViewModel extends AndroidViewModel {
                     List<WorkerData> newData = InstanceInterface.fetchWorkersDataForCards("kucoin");
                     //System.err.println(newData.toString());
                     workerDataList.postValue(newData);
-                } catch (InterruptedException e) {
+                } catch (InterruptedException | IOException e) {
                     e.printStackTrace();
-                } catch (IOException e) {
-                    throw new RuntimeException(e);
                 }
             }
         }).start();
diff --git a/app/src/main/java/com/example/dcav2gui/ui/exchanges/OkxFragment.java b/app/src/main/java/com/example/dcav2gui/ui/exchanges/OkxFragment.java
index 721661a..a4d387a 100644
--- a/app/src/main/java/com/example/dcav2gui/ui/exchanges/OkxFragment.java
+++ b/app/src/main/java/com/example/dcav2gui/ui/exchanges/OkxFragment.java
@@ -4,9 +4,13 @@ import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.TextView;
+
 import androidx.annotation.NonNull;
 import androidx.fragment.app.Fragment;
 import androidx.lifecycle.ViewModelProvider;
+
+import com.example.dcav2gui.R;
 import com.example.dcav2gui.databinding.FragmentOkxBinding;
 import com.example.dcav2gui.ui.exchanges.adapters.WorkerCardAdapter;
 
@@ -16,6 +20,7 @@ public class OkxFragment extends Fragment {
     private FragmentOkxBinding binding;
     private OkxViewModel OkxViewModel;
     private WorkerCardAdapter workerCardAdapter;
+    private TextView statusBar;
 
     @Override
     public View onCreateView(@NonNull LayoutInflater inflater,
@@ -23,12 +28,16 @@ public class OkxFragment extends Fragment {
         binding = FragmentOkxBinding.inflate(inflater, container, false);
         View root = binding.getRoot();
 
+        //Initialize status bar
+        statusBar = root.findViewById(R.id.okex_status_bar);
+
         OkxViewModel = new ViewModelProvider(this).get(OkxViewModel.class);
 
         workerCardAdapter = new WorkerCardAdapter(binding.okexCardsContainer);
 
         OkxViewModel.getWorkerData().observe(getViewLifecycleOwner(), workerDataList -> {
             if (workerDataList != null) {
+                WorkerCardAdapter.populateStatusBar(statusBar, workerDataList);
                 workerCardAdapter.updateData(workerDataList);
             }
         });
diff --git a/app/src/main/java/com/example/dcav2gui/ui/exchanges/OkxViewModel.java b/app/src/main/java/com/example/dcav2gui/ui/exchanges/OkxViewModel.java
index 1dd32e4..9fc75d0 100644
--- a/app/src/main/java/com/example/dcav2gui/ui/exchanges/OkxViewModel.java
+++ b/app/src/main/java/com/example/dcav2gui/ui/exchanges/OkxViewModel.java
@@ -41,10 +41,8 @@ public class OkxViewModel extends AndroidViewModel {
                     List<WorkerData> newData = InstanceInterface.fetchWorkersDataForCards("okex");
                     //System.err.println(newData.toString());
                     workerDataList.postValue(newData);
-                } catch (InterruptedException e) {
+                } catch (InterruptedException | IOException e) {
                     e.printStackTrace();
-                } catch (IOException e) {
-                    throw new RuntimeException(e);
                 }
             }
         }).start();
diff --git a/app/src/main/java/com/example/dcav2gui/ui/exchanges/adapters/WorkerCardAdapter.java b/app/src/main/java/com/example/dcav2gui/ui/exchanges/adapters/WorkerCardAdapter.java
index 9359880..4ba98ed 100644
--- a/app/src/main/java/com/example/dcav2gui/ui/exchanges/adapters/WorkerCardAdapter.java
+++ b/app/src/main/java/com/example/dcav2gui/ui/exchanges/adapters/WorkerCardAdapter.java
@@ -107,6 +107,22 @@ public class WorkerCardAdapter{
 
     }
 
+    public static void populateStatusBar(TextView statusBar, List<WorkerData> workerDataList) {
+        int amountOfWorkers = workerDataList.size();
+        int safetyOrdersSent = 0;
+        int maxSafetyOrders = 0;
+
+        //Iterate workerDataList and extract the total amount of safety orders
+        for (WorkerData worker : workerDataList) {
+            if (!worker.isShort()) {
+                safetyOrdersSent+=worker.getAmountOfSafetyOrders()-1;
+                maxSafetyOrders+=worker.getMaxSafetyOrders();
+            }
+        }
+        String percentage =  String.format(Locale.ROOT, "%.2f", (double) safetyOrdersSent/maxSafetyOrders*100);
+        String statusBarText = amountOfWorkers + " traders online - Occupancy " + percentage + "%";
+        statusBar.setText(statusBarText);
+    }
 
     public static class WorkerViewHolder extends RecyclerView.ViewHolder {
         TextView pair;
diff --git a/app/src/main/res/drawable/status_bar_background.xml b/app/src/main/res/drawable/status_bar_background.xml
new file mode 100644
index 0000000..9ef34f9
--- /dev/null
+++ b/app/src/main/res/drawable/status_bar_background.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <solid android:color="@color/light_grey"/>
+    <corners android:radius="0dp"/>
+    <stroke android:color="@color/stroke_color" android:width="1dp"/>
+</shape>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_binance.xml b/app/src/main/res/layout/fragment_binance.xml
index b3f6533..362b26c 100644
--- a/app/src/main/res/layout/fragment_binance.xml
+++ b/app/src/main/res/layout/fragment_binance.xml
@@ -1,15 +1,32 @@
 <?xml version="1.0" encoding="utf-8"?>
-<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
-    <LinearLayout
-        android:id="@+id/binance_cards_container"
+    <ScrollView
         android:layout_width="match_parent"
+        android:layout_height="match_parent">
+        <LinearLayout
+            android:id="@+id/binance_cards_container"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical"
+            android:visibility="visible">
+
+            <!-- Each card will be added dynamically here -->
+
+        </LinearLayout>
+    </ScrollView>
+    <TextView
+        android:id="@+id/binance_status_bar"
+        android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:orientation="vertical"
-        android:visibility="visible">
-
-        <!-- Each card will be added dynamically here -->
-
-    </LinearLayout>
-</ScrollView>
\ No newline at end of file
+        android:background="@drawable/status_bar_background"
+        android:text="Loading..."
+        android:gravity="center"
+        android:textColor="@android:color/black"
+        android:padding="6dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"/>
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_gateio.xml b/app/src/main/res/layout/fragment_gateio.xml
index afeeecd..e7293bf 100644
--- a/app/src/main/res/layout/fragment_gateio.xml
+++ b/app/src/main/res/layout/fragment_gateio.xml
@@ -1,15 +1,32 @@
 <?xml version="1.0" encoding="utf-8"?>
-<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
-    <LinearLayout
-        android:id="@+id/gateio_cards_container"
+    <ScrollView
         android:layout_width="match_parent"
+        android:layout_height="match_parent">
+        <LinearLayout
+            android:id="@+id/gateio_cards_container"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical"
+            android:visibility="visible">
+
+            <!-- Each card will be added dynamically here -->
+
+        </LinearLayout>
+    </ScrollView>
+    <TextView
+        android:id="@+id/gateio_status_bar"
+        android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:orientation="vertical"
-        android:visibility="visible">
-
-        <!-- Each card will be added dynamically here -->
-
-    </LinearLayout>
-</ScrollView>
\ No newline at end of file
+        android:background="@drawable/status_bar_background"
+        android:text="Loading..."
+        android:gravity="center"
+        android:textColor="@android:color/black"
+        android:padding="6dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"/>
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_kucoin.xml b/app/src/main/res/layout/fragment_kucoin.xml
index ca7e7bb..d046d1b 100644
--- a/app/src/main/res/layout/fragment_kucoin.xml
+++ b/app/src/main/res/layout/fragment_kucoin.xml
@@ -1,15 +1,32 @@
 <?xml version="1.0" encoding="utf-8"?>
-<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
-    <LinearLayout
-        android:id="@+id/kucoin_cards_container"
+    <ScrollView
         android:layout_width="match_parent"
+        android:layout_height="match_parent">
+        <LinearLayout
+            android:id="@+id/kucoin_cards_container"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical"
+            android:visibility="visible">
+
+            <!-- Each card will be added dynamically here -->
+
+        </LinearLayout>
+    </ScrollView>
+    <TextView
+        android:id="@+id/kucoin_status_bar"
+        android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:orientation="vertical"
-        android:visibility="visible">
-
-        <!-- Each card will be added dynamically here -->
-
-    </LinearLayout>
-</ScrollView>
\ No newline at end of file
+        android:background="@drawable/status_bar_background"
+        android:text="Loading..."
+        android:gravity="center"
+        android:textColor="@android:color/black"
+        android:padding="6dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"/>
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_okx.xml b/app/src/main/res/layout/fragment_okx.xml
index b512038..f919dff 100644
--- a/app/src/main/res/layout/fragment_okx.xml
+++ b/app/src/main/res/layout/fragment_okx.xml
@@ -1,15 +1,32 @@
 <?xml version="1.0" encoding="utf-8"?>
-<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
-    <LinearLayout
-        android:id="@+id/okex_cards_container"
+    <ScrollView
         android:layout_width="match_parent"
+        android:layout_height="match_parent">
+        <LinearLayout
+            android:id="@+id/okex_cards_container"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical"
+            android:visibility="visible">
+
+            <!-- Each card will be added dynamically here -->
+
+        </LinearLayout>
+    </ScrollView>
+    <TextView
+        android:id="@+id/okex_status_bar"
+        android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:orientation="vertical"
-        android:visibility="visible">
-
-        <!-- Each card will be added dynamically here -->
-
-    </LinearLayout>
-</ScrollView>
\ No newline at end of file
+        android:background="@drawable/status_bar_background"
+        android:text="Loading..."
+        android:gravity="center"
+        android:textColor="@android:color/black"
+        android:padding="6dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"/>
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
index b0697e0..de5620b 100644
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -12,6 +12,7 @@
     <color name="blue">#FF0000FF</color>
     <color name="yellow">#FFFFFF00</color>
     <color name="grey">#FF424242</color>
+    <color name= "light_grey">#979797</color>
     <color name="orange">#FFA500</color>
     <color name="dark_cyan">#008B8B</color>
     <color name="dark_green">#006A00</color>