Added a third intro screen to inform users about changing the storage location for downloading ZIM files.

app/src/androidTest/java/org/kiwix/kiwixmobile/intro/IntroRobot.kt

@@ -44,6 +44,10 @@ class IntroRobot : BaseRobot() {
       isVisible(TextId(string.save_books_offline))
       isVisible(TextId(string.download_books_message))
     }
+    attempt(10) {
+      isVisible(TextId(string.save_books_in_desired_storage))
+      isVisible(TextId(string.storage_location_hint))
+    }
   }
 
   infix fun clickGetStarted(func: TopLevelDestinationRobot.() -> Unit): TopLevelDestinationRobot {

app/src/main/java/org/kiwix/kiwixmobile/intro/IntroFragment.kt

@@ -65,7 +65,8 @@ class IntroFragment : BaseFragment(), IntroContract.View, FragmentActivityExtens
     fragmentIntroBinding?.viewPager?.let { viewPager ->
       views = arrayOf(
         layoutInflater.inflate(R.layout.item_intro_1, viewPager, false),
-        layoutInflater.inflate(R.layout.item_intro_2, viewPager, false)
+        layoutInflater.inflate(R.layout.item_intro_2, viewPager, false),
+        layoutInflater.inflate(R.layout.item_intro_3, viewPager, false)
       )
       viewPager.run {
         adapter = IntroPagerAdapter(views)

app/src/main/res/drawable-night/ic_storage.xml

@@ -0,0 +1,38 @@
+<!--
+  ~ Kiwix Android
+  ~ Copyright (c) 2025 Kiwix <android.kiwix.org>
+  ~ This program is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by
+  ~ the Free Software Foundation, either version 3 of the License, or
+  ~ (at your option) any later version.
+  ~
+  ~ This program is distributed in the hope that it will be useful,
+  ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
+  ~ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  ~ GNU General Public License for more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License
+  ~ along with this program. If not, see <http://www.gnu.org/licenses/>.
+  ~
+  -->
+
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+  xmlns:tools="http://schemas.android.com/tools"
+  android:width="24dp"
+  android:height="24dp"
+  android:viewportWidth="64"
+  android:viewportHeight="64">
+  <path
+    android:fillColor="#ffffff"
+    android:pathData="M8,17.662a1,1 0,0 0,2 0,1 1,0 0,0 -2,0ZM12,17.662a1,1 0,0 0,2 0,1 1,0 0,0 -2,0ZM16,17.662a1,1 0,0 0,2 0,1 1,0 0,0 -2,0Z" />
+  <path
+    android:fillColor="#ffffff"
+    android:pathData="M7,51.32h27.86a3.003,3.003 0,0 0,3 -3,1.009 1.009,0 1,0 -2,-0.21 1.031,1.031 0,0 1,-1 1.21H7a1.001,1.001 0,0 1,-1 -1v-3.96a1.001,1.001 0,0 1,1 -1h24.11a1,1 0,0 0,0 -2H9.19v-4.38H28a1,1 0,0 0,0 -2H7a1.001,1.001 0,0 1,-1 -1v-3.96a1.001,1.001 0,0 1,1 -1h21a1,1 0,0 0,0 -2H9.19v-4.38h21.92a1,1 0,0 0,0 -2H7a1.001,1.001 0,0 1,-1 -1v-3.96a1.001,1.001 0,0 1,1 -1h27.86a0.99,0.99 0,0 1,1 1,1.009 1.009,0 1,0 2,0.21 3.02,3.02 0,0 0,-3 -3.21H7a3.003,3.003 0,0 0,-3 3v3.96a3.017,3.017 0,0 0,3.19 3v4.38a3.017,3.017 0,0 0,-3.19 3v3.96a3.003,3.003 0,0 0,3 3h0.19v4.38a3.017,3.017 0,0 0,-3.19 3v3.96a3.003,3.003 0,0 0,3 3Z" />
+  <path
+    android:fillColor="#ffffff"
+    android:pathData="M8,46.339a1,1 0,0 0,2 0,1 1,0 0,0 -2,0ZM12,46.339a1,1 0,0 0,2 0,1 1,0 0,0 -2,0ZM16,46.339a1,1 0,0 0,2 0,1 1,0 0,0 -2,0ZM8,32a1,1 0,0 0,2 0,1 1,0 0,0 -2,0ZM12,32a1,1 0,0 0,2 0,1 1,0 0,0 -2,0ZM16,32a1,1 0,0 0,2 0,1 1,0 0,0 -2,0ZM59.099,28.72l-2.298,-0.229a1.284,1.284 0,0 1,-0.827 -2.006l1.459,-1.787a0.999,0.999 0,0 0,-0.068 -1.34l-3.224,-3.223a0.999,0.999 0,0 0,-1.34 -0.068l-1.787,1.46a1.29,1.29 0,0 1,-2.006 -0.831l-0.229,-2.295a1,1 0,0 0,-0.995 -0.901h-4.568a1,1 0,0 0,-0.995 0.9l-0.229,2.299a1.292,1.292 0,0 1,-2.007 0.827L38.2,20.067a0.999,0.999 0,0 0,-1.34 0.068l-3.224,3.224a0.999,0.999 0,0 0,-0.068 1.34l1.46,1.787a1.29,1.29 0,0 1,-0.83 2.006l-2.296,0.228a1,1 0,0 0,-0.901 0.995v4.57a1,1 0,0 0,0.901 0.995l2.298,0.229a1.29,1.29 0,0 1,0.827 2.006l-1.459,1.787a0.999,0.999 0,0 0,0.068 1.34l3.224,3.223a1.001,1.001 0,0 0,1.34 0.068l1.787,-1.46a1.29,1.29 0,0 1,2.006 0.831l0.229,2.295a1,1 0,0 0,0.995 0.901h4.568a1,1 0,0 0,0.995 -0.9l0.229,-2.299a1.291,1.291 0,0 1,2.007 -0.827l1.786,1.459a1.001,1.001 0,0 0,1.34 -0.068l3.224,-3.224a0.999,0.999 0,0 0,0.068 -1.34l-1.46,-1.787a1.29,1.29 0,0 1,0.83 -2.006l2.296,-0.228a1,1 0,0 0,0.901 -0.995v-4.57a1,1 0,0 0,-0.901 -0.995ZM58,33.38l-1.39,0.138a3.282,3.282 0,0 0,-2.185 5.262l0.887,1.086 -1.946,1.946 -1.085,-0.887a3.283,3.283 0,0 0,-5.263 2.181l-0.14,1.394h-2.757l-0.139,-1.391a3.283,3.283 0,0 0,-5.262 -2.184l-1.086,0.887 -1.946,-1.946 0.887,-1.085a3.283,3.283 0,0 0,-2.181 -5.263L33,33.38v-2.758l1.39,-0.139a3.282,3.282 0,0 0,2.185 -5.262l-0.887,-1.086 1.946,-1.946 1.085,0.887a3.283,3.283 0,0 0,5.263 -2.181l0.14,-1.394h2.757l0.139,1.391a3.165,3.165 0,0 0,1.97 2.606,3.197 3.197,0 0,0 3.292,-0.422l1.086,-0.886 1.946,1.945 -0.887,1.085a3.283,3.283 0,0 0,2.181 5.263l1.394,0.139Z"
+    tools:ignore="VectorPath" />
+  <path
+    android:fillColor="#ffffff"
+    android:pathData="M45.5,25a7.008,7.008 0,0 0,-7 7c0.329,9.264 13.672,9.262 14,0a7.008,7.008 0,0 0,-7 -7ZM45.5,37c-6.608,-0.21 -6.606,-9.79 0,-10 6.608,0.21 6.606,9.79 0,10Z" />
+</vector>

app/src/main/res/drawable/ic_storage.xml

@@ -0,0 +1,38 @@
+<!--
+  ~ Kiwix Android
+  ~ Copyright (c) 2025 Kiwix <android.kiwix.org>
+  ~ This program is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by
+  ~ the Free Software Foundation, either version 3 of the License, or
+  ~ (at your option) any later version.
+  ~
+  ~ This program is distributed in the hope that it will be useful,
+  ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
+  ~ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  ~ GNU General Public License for more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License
+  ~ along with this program. If not, see <http://www.gnu.org/licenses/>.
+  ~
+  -->
+
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+  xmlns:tools="http://schemas.android.com/tools"
+  android:width="24dp"
+  android:height="24dp"
+  android:viewportWidth="64"
+  android:viewportHeight="64">
+  <path
+    android:fillColor="#000000"
+    android:pathData="M8,17.662a1,1 0,0 0,2 0,1 1,0 0,0 -2,0ZM12,17.662a1,1 0,0 0,2 0,1 1,0 0,0 -2,0ZM16,17.662a1,1 0,0 0,2 0,1 1,0 0,0 -2,0Z" />
+  <path
+    android:fillColor="#000000"
+    android:pathData="M7,51.32h27.86a3.003,3.003 0,0 0,3 -3,1.009 1.009,0 1,0 -2,-0.21 1.031,1.031 0,0 1,-1 1.21H7a1.001,1.001 0,0 1,-1 -1v-3.96a1.001,1.001 0,0 1,1 -1h24.11a1,1 0,0 0,0 -2H9.19v-4.38H28a1,1 0,0 0,0 -2H7a1.001,1.001 0,0 1,-1 -1v-3.96a1.001,1.001 0,0 1,1 -1h21a1,1 0,0 0,0 -2H9.19v-4.38h21.92a1,1 0,0 0,0 -2H7a1.001,1.001 0,0 1,-1 -1v-3.96a1.001,1.001 0,0 1,1 -1h27.86a0.99,0.99 0,0 1,1 1,1.009 1.009,0 1,0 2,0.21 3.02,3.02 0,0 0,-3 -3.21H7a3.003,3.003 0,0 0,-3 3v3.96a3.017,3.017 0,0 0,3.19 3v4.38a3.017,3.017 0,0 0,-3.19 3v3.96a3.003,3.003 0,0 0,3 3h0.19v4.38a3.017,3.017 0,0 0,-3.19 3v3.96a3.003,3.003 0,0 0,3 3Z" />
+  <path
+    android:fillColor="#000000"
+    android:pathData="M8,46.339a1,1 0,0 0,2 0,1 1,0 0,0 -2,0ZM12,46.339a1,1 0,0 0,2 0,1 1,0 0,0 -2,0ZM16,46.339a1,1 0,0 0,2 0,1 1,0 0,0 -2,0ZM8,32a1,1 0,0 0,2 0,1 1,0 0,0 -2,0ZM12,32a1,1 0,0 0,2 0,1 1,0 0,0 -2,0ZM16,32a1,1 0,0 0,2 0,1 1,0 0,0 -2,0ZM59.099,28.72l-2.298,-0.229a1.284,1.284 0,0 1,-0.827 -2.006l1.459,-1.787a0.999,0.999 0,0 0,-0.068 -1.34l-3.224,-3.223a0.999,0.999 0,0 0,-1.34 -0.068l-1.787,1.46a1.29,1.29 0,0 1,-2.006 -0.831l-0.229,-2.295a1,1 0,0 0,-0.995 -0.901h-4.568a1,1 0,0 0,-0.995 0.9l-0.229,2.299a1.292,1.292 0,0 1,-2.007 0.827L38.2,20.067a0.999,0.999 0,0 0,-1.34 0.068l-3.224,3.224a0.999,0.999 0,0 0,-0.068 1.34l1.46,1.787a1.29,1.29 0,0 1,-0.83 2.006l-2.296,0.228a1,1 0,0 0,-0.901 0.995v4.57a1,1 0,0 0,0.901 0.995l2.298,0.229a1.29,1.29 0,0 1,0.827 2.006l-1.459,1.787a0.999,0.999 0,0 0,0.068 1.34l3.224,3.223a1.001,1.001 0,0 0,1.34 0.068l1.787,-1.46a1.29,1.29 0,0 1,2.006 0.831l0.229,2.295a1,1 0,0 0,0.995 0.901h4.568a1,1 0,0 0,0.995 -0.9l0.229,-2.299a1.291,1.291 0,0 1,2.007 -0.827l1.786,1.459a1.001,1.001 0,0 0,1.34 -0.068l3.224,-3.224a0.999,0.999 0,0 0,0.068 -1.34l-1.46,-1.787a1.29,1.29 0,0 1,0.83 -2.006l2.296,-0.228a1,1 0,0 0,0.901 -0.995v-4.57a1,1 0,0 0,-0.901 -0.995ZM58,33.38l-1.39,0.138a3.282,3.282 0,0 0,-2.185 5.262l0.887,1.086 -1.946,1.946 -1.085,-0.887a3.283,3.283 0,0 0,-5.263 2.181l-0.14,1.394h-2.757l-0.139,-1.391a3.283,3.283 0,0 0,-5.262 -2.184l-1.086,0.887 -1.946,-1.946 0.887,-1.085a3.283,3.283 0,0 0,-2.181 -5.263L33,33.38v-2.758l1.39,-0.139a3.282,3.282 0,0 0,2.185 -5.262l-0.887,-1.086 1.946,-1.946 1.085,0.887a3.283,3.283 0,0 0,5.263 -2.181l0.14,-1.394h2.757l0.139,1.391a3.165,3.165 0,0 0,1.97 2.606,3.197 3.197,0 0,0 3.292,-0.422l1.086,-0.886 1.946,1.945 -0.887,1.085a3.283,3.283 0,0 0,2.181 5.263l1.394,0.139Z"
+    tools:ignore="VectorPath" />
+  <path
+    android:fillColor="#000000"
+    android:pathData="M45.5,25a7.008,7.008 0,0 0,-7 7c0.329,9.264 13.672,9.262 14,0a7.008,7.008 0,0 0,-7 -7ZM45.5,37c-6.608,-0.21 -6.606,-9.79 0,-10 6.608,0.21 6.606,9.79 0,10Z" />
+</vector>

app/src/main/res/layout/item_intro_3.xml

@@ -0,0 +1,71 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Kiwix Android
+  ~ Copyright (c) 2025 Kiwix <android.kiwix.org>
+  ~ This program is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by
+  ~ the Free Software Foundation, either version 3 of the License, or
+  ~ (at your option) any later version.
+  ~
+  ~ This program is distributed in the hope that it will be useful,
+  ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
+  ~ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  ~ GNU General Public License for more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License
+  ~ along with this program. If not, see <http://www.gnu.org/licenses/>.
+  ~
+  -->
+<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:background="?colorSurface"
+  android:padding="24dp">
+
+  <ImageView
+    android:id="@+id/storage_icon"
+    android:layout_width="0dp"
+    android:layout_height="0dp"
+    android:scaleType="fitCenter"
+    android:src="@drawable/ic_storage"
+    app:layout_constraintBottom_toTopOf="@id/heading"
+    app:layout_constraintEnd_toEndOf="parent"
+    app:layout_constraintHeight_max="160dp"
+    app:layout_constraintStart_toStartOf="parent"
+    app:layout_constraintTop_toTopOf="parent"
+    app:layout_constraintWidth_max="160dp"
+    tools:ignore="ContentDescription" />
+
+  <TextView
+    android:id="@+id/heading"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:layout_marginBottom="16dp"
+    android:text="@string/save_books_in_desired_storage"
+    android:textAlignment="center"
+    android:textSize="23sp"
+    android:textStyle="bold"
+    app:layout_constraintBottom_toTopOf="@id/subheading"
+    app:layout_constraintEnd_toEndOf="parent"
+    app:layout_constraintStart_toStartOf="parent" />
+
+  <androidx.constraintlayout.widget.Guideline
+    android:id="@+id/guideline"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:orientation="horizontal"
+    app:layout_constraintGuide_end="56dp" />
+
+  <TextView
+    android:id="@+id/subheading"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:text="@string/storage_location_hint"
+    android:textAlignment="center"
+    android:textColor="?textTertiary"
+    android:textSize="15sp"
+    app:layout_constraintEnd_toEndOf="parent"
+    app:layout_constraintStart_toStartOf="parent"
+    app:layout_constraintTop_toBottomOf="@id/guideline" />
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -199,6 +199,8 @@
   <string name="welcome_to_the_family" tools:keep="@string/welcome_to_the_family">Welcome to the family</string>
   <string name="save_books_offline" tools:keep="@string/save_books_offline">Save books offline</string>
   <string name="download_books_message" tools:keep="@string/download_books_message">Download books and read wherever you are.</string>
+  <string name="save_books_in_desired_storage">Save books in desired storage</string>
+  <string name="storage_location_hint">You can choose your preferred storage location, either SD card or internal storage, for downloading ZIM files from the Settings screen.</string>
   <string name="unable_to_add_to_bookmarks">Unable to add to bookmarks</string>
   <string name="go_to_previous_page">Go to previous page</string>
   <string name="go_to_next_page">Go to next page</string>