Add loading indicator in splash screen

Author: MarkNjunge

app/src/main/java/com/marknkamau/justjava/ui/SplashActivity.kt

@@ -6,6 +6,7 @@ import android.os.Bundle
 import com.google.firebase.iid.FirebaseInstanceId
 import com.marknjunge.core.data.local.PreferencesRepository
 import com.marknjunge.core.data.repository.UsersRepository
+import com.marknkamau.justjava.R
 import com.marknkamau.justjava.data.network.FirebaseService
 import com.marknkamau.justjava.ui.main.MainActivity
 import kotlinx.coroutines.CoroutineScope
@@ -30,6 +31,7 @@ class SplashActivity : AppCompatActivity() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_splash)
 
         if (preferencesRepository.isSignedIn) {
             coroutineScope.launch {

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

@@ -0,0 +1,17 @@
+<?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"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <ProgressBar
+        android:id="@+id/progressBar"
+        style="?android:attr/progressBarStyle"
+        android:layout_width="72dp"
+        android:layout_height="72dp"
+        android:layout_marginBottom="32dp"
+        android:indeterminate="true"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent" />
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -31,6 +31,7 @@
 
     <style name="AppTheme.SplashTheme" parent="Theme.MaterialComponents.Light.NoActionBar">
         <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
         <item name="android:windowBackground">@drawable/background_splash</item>
     </style>