ui: Set up progress bar for the new wizard

app-common/src/main/java/im/angry/openeuicc/ui/wizard/DownloadWizardActivity.kt

@@ -2,6 +2,7 @@ package im.angry.openeuicc.ui.wizard
 
 import android.os.Bundle
 import android.view.View
+import android.widget.ProgressBar
 import androidx.activity.OnBackPressedCallback
 import androidx.activity.enableEdgeToEdge
 import androidx.core.view.ViewCompat
@@ -11,6 +12,8 @@ import im.angry.openeuicc.common.R
 import im.angry.openeuicc.ui.BaseEuiccAccessActivity
 
 class DownloadWizardActivity: BaseEuiccAccessActivity() {
+    private lateinit var progressBar: ProgressBar
+
     override fun onCreate(savedInstanceState: Bundle?) {
         enableEdgeToEdge()
         super.onCreate(savedInstanceState)
@@ -21,6 +24,8 @@ class DownloadWizardActivity: BaseEuiccAccessActivity() {
             }
         })
 
+        progressBar = requireViewById(R.id.progress)
+
         val navigation = requireViewById<View>(R.id.download_wizard_navigation)
         val origHeight = navigation.layoutParams.height
 
@@ -38,6 +43,6 @@ class DownloadWizardActivity: BaseEuiccAccessActivity() {
     }
 
     override fun onInit() {
-
+        progressBar.visibility = View.GONE
     }
 }

app-common/src/main/res/layout/activity_download_wizard.xml

@@ -4,6 +4,27 @@
     android:layout_height="match_parent"
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
+    <View
+        android:id="@+id/guideline"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:orientation="vertical"
+        android:visibility="invisible"
+        app:layout_constraintBottom_toTopOf="@id/download_wizard_navigation"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent" />
+
+    <ProgressBar
+        android:id="@+id/progress"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:indeterminate="true"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/guideline"
+        app:layout_constraintBottom_toTopOf="@id/download_wizard_navigation"
+        style="@style/Widget.AppCompat.ProgressBar.Horizontal" />
+
     <androidx.constraintlayout.widget.ConstraintLayout
         android:id="@+id/download_wizard_navigation"
         android:layout_width="match_parent"