Bug Fixes, Added Empty item message.

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,38 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Desktop (please complete the following information):**
+ - OS: [e.g. iOS]
+ - Browser [e.g. chrome, safari]
+ - Version [e.g. 22]
+
+**Smartphone (please complete the following information):**
+ - Device: [e.g. iPhone6]
+ - OS: [e.g. iOS8.1]
+ - Browser [e.g. stock browser, safari]
+ - Version [e.g. 22]
+
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,20 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

.github/ISSUE_TEMPLATE/give-me-some-idea-for-this-app.md

@@ -0,0 +1,11 @@
+---
+name: Give Me Some Idea For This App
+about: If your idea is unique i will definitely implement the Idea and mention you
+  in my repo and add the feature to the app
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+

README.md

@@ -1,15 +1,14 @@
 <div align="center">
   <img src="app/src/main/assets/logo.png" alt="Calculator Hide File App Logo" width="200" />
 
-
+# 📂 Calculator Hide File App for Android 📂
-# Calculator Hide File App
 
 <a href="https://github.com/Binondi/Calculator-Hide-Files/releases/latest">
       <img alt="Latest release" src="https://img.shields.io/badge/Releases-v1.0-blue?logo=github&style=for-the-badge">
 </a>
 
 <a href="https://github.com/Binondi/Calculator-Hide-Files/releases/latest">
-      <img alt="Downloads" src="https://img.shields.io/badge/Downloads-1.2k-blue?logo=github&style=for-the-badge">
+      <img alt="Downloads" src="https://img.shields.io/badge/Downloads-1.3k-blue?logo=github&style=for-the-badge">
 </a>
 
 <a href="LICENSE">
@@ -19,131 +18,137 @@
 </div>
 
 ---
-Welcome to the **Calculator Hide File App**! This app is a unique and secure way to hide your sensitive files under the disguise of a fully functional calculator.
+
+## 😍 Why Choose This App?  
+The **Calculator Hide File App** is an **open-source** application, allowing you to inspect the code yourself. This ensures **complete transparency** and guarantees that your **privacy remains uncompromised**. 🔒✅  
+
 
 ---
 
-## Features
+## 🔥 About Calculator Hide File App
 
-- **Dual Functionality**: Operates as a regular calculator and a file hiding app.
+The **Calculator Hide File App** is an innovative **Android file-hiding app** that disguises itself as a **fully functional calculator**. It helps you **securely store** private files and protect them with a **hidden passcode**.
-- **User-Friendly Interface**: Simple and intuitive design for easy use.
+
-- **Secure File Storage**: Protects your hidden files with a passcode.
+> **⭐ Why Choose This App?**  
-- **Passcode Protection**: Access the hidden files by entering a secret passcode in the calculator.
+> - Hide images, videos, documents & other files securely.  
-- **File Management**: Easily hide, unhide, and manage files within the app.
+> - Works like a **real calculator** with hidden storage mode.  
+> - No one will suspect it’s a file vault!  
 
 ---
 
-## Screenshots
+## 🚀 Features
-<div>
 
-  <img src="app/src/main/assets/Screenshot_1.jpg" alt="Screenshot 1" width="24%">
+✅ **Dual Functionality** – A working **calculator** & a **file vault** in one app.  
-  <img src="app/src/main/assets/Screenshot_2.jpg" alt="Screenshot 2" width="24%">
+✅ **Secret Passcode** – Unlock hidden files by entering a secret code.  
-  <img src="app/src/main/assets/Screenshot_3.jpg" alt="Screenshot 3" width="24%">
+✅ **Secure File Manager** – Hide/unhide files easily.  
-  <img src="app/src/main/assets/Screenshot_4.jpg" alt="Screenshot 4" width="24%">
+✅ **Fast & Lightweight** – Smooth performance on all Android devices.  
+✅ **No Root Required** – Works without rooting your phone.  
 
+---
+
+## 🖼️ Screenshots
+
+<div align="center">
+  <img src="app/src/main/assets/Screenshot_1.jpg" alt="Calculator Hide File App - Home Screen" width="24%">
+  <img src="app/src/main/assets/Screenshot_2.jpg" alt="Calculator Hide File App - Secure File Storage" width="24%">
+  <img src="app/src/main/assets/Screenshot_3.jpg" alt="Calculator Hide File App - Passcode Protection" width="24%">
+  <img src="app/src/main/assets/Screenshot_4.jpg" alt="Calculator Hide File App - Hidden Files Manager" width="24%">
 </div>
-  <div>
-  <img src="app/src/main/assets/Screenshot_5.jpg" alt="Screenshot 5" width="24%">
-  <img src="app/src/main/assets/Screenshot_6.jpg" alt="Screenshot 6" width="24%">
-  <img src="app/src/main/assets/Screenshot_7.jpg" alt="Screenshot 7" width="24%">
-  <img src="app/src/main/assets/Screenshot_8.jpg" alt="Screenshot 8" width="24%">
-</div>
----
-
-## How It Works
-
-1. **Calculator Mode**:
-   - Perform basic arithmetic operations just like any regular calculator.
-2. **Hidden Mode**:
-   - Enter `123456` and hit the `=` button to setup your password. 
-   - Enter your secret passcode and hit the `=` button to unlock the hidden file manager.
-4. **File Management**:
-   - Add files to hide them securely.
-   - Retrieve or unhide files as needed.
 
 ---
 
-## ☕ Support
+## 🔑 How It Works
 
-Support My development by donating money. Thank you very much for your help! ❤️
+1. **Use as a Regular Calculator**  
+   - Perform standard arithmetic operations like a normal calculator.  
 
-[<img src="https://img.shields.io/badge/sponsor-30363D?style=for-the-badge&logo=GitHub-Sponsors&logoColor=#EA4AAA"
+2. **Enter Secret Passcode**  
-alt="Sponsor the project on GitHub"
+   - Type `123456` and press `=` to set up your password.  
-height="40">](https://github.com/sponsors/Binondi) [<img src="https://img.shields.io/badge/PayPal-00457C?style=for-the-badge&logo=paypal&logoColor=white"
+   - Enter your **custom passcode** and hit `=` to unlock the hidden file manager.  
-alt="Donate with PayPal"
-height="40">](https://paypal.me/BinondiBorthakur56) [<img src="https://img.shields.io/badge/Buy%20Me%20a%20Coffee-ffdd00?style=for-the-badge&logo=buy-me-a-coffee&logoColor=black"
-alt="Donate with buymeacoffee"
-height="40">](https://buymeacoffee.com/binondi)
 
+3. **Manage Hidden Files**  
+   - Add, remove, and restore hidden files.  
+   - Files stay protected even after closing the app.  
 
 ---
-## Installation
 
-### Prerequisites
+## 📥 Download & Installation
-- Android Studio (for development)
-- A device or emulator running Android 6.0 or higher
 
-### Steps
+### 🔗 **[Download the Latest Version Here](https://github.com/Binondi/Calculator-Hide-Files/releases/latest)**
-1. Clone the repository:
+
+### 🔹 Prerequisites
+- **Android 6.0 or higher**  
+- **Storage permissions enabled**  
+
+### 🔹 Installation Steps
 ```bash
-   git clone https://github.com/YourUsername/CalculatorHideFileApp.git
+git clone https://github.com/Binondi/Calculator-Hide-Files.git
 ```
-2. Open the project in Android Studio.
+- Open **Android Studio** and build the project.  
-3. Build and run the app on your device or emulator.
+- Install the APK on your **Android device or emulator**.  
 
 ---
 
-## Technologies Used
+## 🛠️ Technologies Used
 
-- **Programming Language**: Java/Kotlin
+- **Programming Language**: Kotlin
-- **Development Platform**: Android Studio
+- **UI Framework**: XML (For UI)
-- **UI Framework**: Android XML layouts
+- **File Storage**: Secure internal storage & MediaStore API  
-- **File Storage**: Secure internal storage and MediaStore API
 
 ---
 
-## Usage Instructions
+## 🎯 Why Use Calculator Hide File App?
 
-1. Open the app.
+- **No One Can Detect Your Files** – Works like a real calculator.  
-2. Use the calculator as normal.
+- **100% Secure** – Your private files stay hidden, even if someone opens the app.  
-3. Enter the secret passcode and press `=` to switch to the hidden file manager.
+- **Completely Free & Open Source** – Modify or contribute to the project.  
-4. Add or manage your hidden files.
 
 ---
 
-## Contributing
+## ❤️ Support the Project
+
+If you find this app useful, please consider supporting the development. 🙏  
+
+[![Sponsor on GitHub](https://img.shields.io/badge/sponsor-30363D?style=for-the-badge&logo=GitHub-Sponsors&logoColor=#EA4AAA)](https://github.com/sponsors/Binondi)
+[![Donate via PayPal](https://img.shields.io/badge/PayPal-00457C?style=for-the-badge&logo=paypal&logoColor=white)](https://paypal.me/BinondiBorthakur56)
+
+---
+
+## 🔧 Contributing
 
 We welcome contributions! To contribute:
 
-1. Fork the repository.
+1. **Fork the repository**  
-2. Create a new branch for your feature or bugfix:
+2. **Create a new branch**  
    ```bash
    git checkout -b feature-name
    ```
-3. Commit your changes:
+3. **Commit your changes**  
    ```bash
    git commit -m "Add a new feature"
    ```
-4. Push to the branch:
+4. **Push to GitHub**  
    ```bash
    git push origin feature-name
    ```
-5. Open a Pull Request.
+5. **Create a Pull Request**  
 
 ---
 
-## License
+## 📜 License
 
-This project is licensed under the Apache License 2.0. See the [LICENSE](LICENSE) file for details.
+This project is licensed under the **Apache License 2.0**.  
+See the full license [here](LICENSE).  
 
 ---
 
-## Contact
+## 📧 Contact
 
-For any inquiries or feedback, reach out to:
+For any questions or feedback:  
-- **Email**: binondiborthakur56@gmail.com
+📩 **Email**: binondiborthakur56@gmail.com  
-- **GitHub**: [Binondi](https://github.com/Binondi)
+🐙 **GitHub**: [Binondi](https://github.com/Binondi)  
 
 ---
 
-Thank you for using the **Calculator Hide File App**! We hope you find it secure and easy to use.
+### 🎉 Thank You for Using Calculator Hide File App! 🎉  
+🚀 **Keep your files secure and hidden!** 🚀

app/build.gradle.kts

@@ -11,8 +11,8 @@ android {
         applicationId = "devs.org.calculator"
         minSdk = 26
         targetSdk = 34
-        versionCode = 2
+        versionCode = 3
-        versionName = "1.1"
+        versionName = "1.2"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
     }

app/src/main/java/devs/org/calculator/activities/AudioGalleryActivity.kt

@@ -7,6 +7,7 @@ import android.widget.Toast
 import androidx.activity.result.ActivityResultLauncher
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.lifecycle.lifecycleScope
+import devs.org.calculator.R
 import devs.org.calculator.callbacks.FileProcessCallback
 import devs.org.calculator.utils.FileManager
 import kotlinx.coroutines.launch
@@ -43,7 +44,7 @@ class AudioGalleryActivity : BaseGalleryActivity(), FileProcessCallback {
                             ).processMultipleFiles(uriList, fileType, this@AudioGalleryActivity)
                         }
                     } else {
-                        Toast.makeText(this, "No files selected", Toast.LENGTH_SHORT).show()
+                        Toast.makeText(this, getString(R.string.no_files_selected), Toast.LENGTH_SHORT).show()
                     }
                 }
             }
@@ -52,7 +53,7 @@ class AudioGalleryActivity : BaseGalleryActivity(), FileProcessCallback {
     override fun onFilesProcessedSuccessfully(copiedFiles: List<File>) {
         Toast.makeText(
             this@AudioGalleryActivity,
-            "${copiedFiles.size} Audios hidden successfully",
+            "${copiedFiles.size} ${getString(R.string.audio_hidded_successfully)} ",
             Toast.LENGTH_SHORT
         ).show()
         loadFiles()

app/src/main/java/devs/org/calculator/activities/BaseGalleryActivity.kt

@@ -1,6 +1,7 @@
 package devs.org.calculator.activities
 
 import android.Manifest
+import android.annotation.SuppressLint
 import android.content.Intent
 import android.content.pm.PackageManager
 import android.net.Uri
@@ -8,6 +9,7 @@ import android.os.Build
 import android.os.Bundle
 import android.os.Environment
 import android.provider.Settings
+import android.view.View
 import androidx.activity.result.ActivityResultLauncher
 import androidx.activity.result.IntentSenderRequest
 import androidx.activity.result.contract.ActivityResultContracts
@@ -39,6 +41,7 @@ abstract class BaseGalleryActivity : AppCompatActivity() {
 
     abstract val fileType: FileManager.FileType
 
+    @SuppressLint("SetTextI18n")
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setupIntentSenderLauncher()
@@ -47,18 +50,27 @@ abstract class BaseGalleryActivity : AppCompatActivity() {
 
         fileManager = FileManager(this, this)
 
-        binding.fabAdd.text = when(fileType){
+        when(fileType){
             FileManager.FileType.IMAGE -> {
-                getString(R.string.add_image)
+                val image = getString(R.string.add_image)
+                binding.fabAdd.text = image
+                binding.noItemsTxt.text = "${getString(R.string.no_items_available_add_one_by_clicking_on_the_plus_button)} '$image' button"
             }
             FileManager.FileType.AUDIO -> {
-                getString(R.string.add_audio)
+                val text =  getString(R.string.add_audio)
+                binding.fabAdd.text = text
+                binding.noItemsTxt.text = "${getString(R.string.no_items_available_add_one_by_clicking_on_the_plus_button)} '$text' button"
+
             }
             FileManager.FileType.VIDEO -> {
-                getString(R.string.add_video)
+                val text = getString(R.string.add_video)
+                binding.fabAdd.text = text
+                binding.noItemsTxt.text = "${getString(R.string.no_items_available_add_one_by_clicking_on_the_plus_button)} '$text' button"
             }
             FileManager.FileType.DOCUMENT -> {
-                getString(R.string.add_files)
+                val text = getString(R.string.add_files)
+                binding.fabAdd.text = text
+                binding.noItemsTxt.text = "${getString(R.string.no_items_available_add_one_by_clicking_on_the_plus_button)} '$text' button"
             }
         }
         binding.recyclerView.setOnScrollChangeListener { _, _, scrollY, _, oldScrollY ->
@@ -116,6 +128,15 @@ abstract class BaseGalleryActivity : AppCompatActivity() {
     protected open fun loadFiles() {
         files = fileManager.getFilesInHiddenDir(fileType)
         adapter.submitList(files)
+        if (files.isEmpty()){
+            binding.recyclerView.visibility = View.GONE
+            binding.loading.visibility = View.GONE
+            binding.noItems.visibility = View.VISIBLE
+        }else{
+            binding.recyclerView.visibility = View.VISIBLE
+            binding.loading.visibility = View.GONE
+            binding.noItems.visibility = View.GONE
+        }
     }
 
     override fun onResume() {

app/src/main/java/devs/org/calculator/activities/DocumentsActivity.kt

@@ -47,8 +47,8 @@ class DocumentsActivity : BaseGalleryActivity(), FileProcessCallback {
     }
 
     override fun onFilesProcessedSuccessfully(copiedFiles: List<File>) {
-        Toast.makeText(this@DocumentsActivity,copiedFiles.size.toString() +
+        Toast.makeText(this@DocumentsActivity,"${copiedFiles.size} ${getString(R.string.documents_hidden_successfully )}"
-            getString(R.string.documents_hidden_successfully ), Toast.LENGTH_SHORT).show()
+            , Toast.LENGTH_SHORT).show()
         loadFiles()
     }
 

app/src/main/java/devs/org/calculator/activities/ImageGalleryActivity.kt

@@ -66,8 +66,7 @@ class ImageGalleryActivity : BaseGalleryActivity(), FileProcessCallback  {
     }
 
     override fun onFilesProcessedSuccessfully(copiedFiles: List<File>) {
-        Toast.makeText(this@ImageGalleryActivity,  copiedFiles.size.toString() +
+        Toast.makeText(this@ImageGalleryActivity,  "${copiedFiles.size} ${getString(R.string.images_hidden_successfully)}", Toast.LENGTH_SHORT).show()
-            getString(R.string.images_hidden_successfully), Toast.LENGTH_SHORT).show()
         loadFiles()
     }
 

app/src/main/java/devs/org/calculator/activities/VideoGalleryActivity.kt

@@ -49,8 +49,8 @@ class VideoGalleryActivity : BaseGalleryActivity(), FileProcessCallback {
     }
 
     override fun onFilesProcessedSuccessfully(copiedFiles: List<File>) {
-        Toast.makeText(this@VideoGalleryActivity, copiedFiles.size.toString() +
+        Toast.makeText(this@VideoGalleryActivity, "${copiedFiles.size} ${getString(R.string.videos_hidden_successfully)}"
-            getString(R.string.videos_hidden_successfully), Toast.LENGTH_SHORT).show()
+            , Toast.LENGTH_SHORT).show()
         loadFiles()
     }
 

app/src/main/java/devs/org/calculator/utils/FileManager.kt

@@ -60,7 +60,7 @@ class FileManager(private val context: Context, private val lifecycleOwner: Life
         }
     }
 
-    fun copyFileToHiddenDir(uri: Uri, type: FileType): File? {
+    private fun copyFileToHiddenDir(uri: Uri, type: FileType): File? {
         return try {
             val contentResolver = context.contentResolver
 

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

@@ -8,20 +8,41 @@
 
     <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/recyclerView"
+        android:visibility="gone"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:padding="8dp" />
 
-<!--    <com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton-->
+    <LinearLayout
-<!--        android:id="@+id/fabAdd"-->
+        android:id="@+id/loading"
-<!--        android:layout_width="wrap_content"-->
+        android:layout_width="match_parent"
-<!--        android:layout_height="wrap_content"-->
+        android:layout_height="match_parent"
-<!--        android:layout_gravity="bottom|end"-->
+        android:layout_gravity="center"
-<!--        android:layout_margin="16dp"-->
+        android:visibility="visible"
-<!--        android:contentDescription="Compose"-->
+        android:gravity="center"
-<!--        android:icon="@drawable/plus"-->
+        android:orientation="vertical">
-<!--        android:text="Add File"-->
+        <ProgressBar
-<!--        app:elevation="6dp"/>-->
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"/>
+    </LinearLayout>
+
+    <LinearLayout
+        android:id="@+id/noItems"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_gravity="center"
+        android:gravity="center"
+        android:visibility="gone"
+        android:orientation="vertical">
+        <TextView
+            android:id="@+id/noItemsTxt"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textSize="16sp"
+            android:gravity="center"
+            android:padding="25dp"
+            android:text="@string/no_items_available_add_one_by_clicking_on_the_plus_button"/>
+    </LinearLayout>
 
     <com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton
         android:id="@+id/fabAdd"

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

@@ -11,6 +11,8 @@
         android:layout_height="match_parent"
         android:padding="8dp" />
 
+
+
     <com.google.android.material.floatingactionbutton.FloatingActionButton
         android:id="@+id/fabAdd"
         android:layout_width="60dp"

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

@@ -13,47 +13,65 @@
         android:layout_width="0dp"
         android:layout_height="0dp"
         android:layout_margin="16dp"
-        app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintHeight_percent="0.3">
+        app:layout_constraintHeight_percent="0.3"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent">
 
-        <TextView
+        <LinearLayout
-            android:id="@+id/display"
+            android:id="@+id/scrollView"
-            android:layout_width="0dp"
+            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
+            android:layout_height="0dp"
+            android:scrollbars="none"
             android:gravity="end|bottom"
-            android:padding="10dp"
-            android:text="0"
-            android:textSize="48sp"
-            android:autoSizeTextType="uniform"
-            android:autoSizeMinTextSize="16sp"
-            android:autoSizeMaxTextSize="48sp"
-            android:autoSizeStepGranularity="2sp"
             app:layout_constraintBottom_toTopOf="@+id/total"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toTopOf="parent"
-            app:layout_constraintVertical_chainStyle="packed"
+            app:layout_constraintVertical_chainStyle="packed">
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:layout_gravity="bottom"
+                android:gravity="end|bottom"
+                android:orientation="vertical">
+
+                <TextView
+                    android:id="@+id/display"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:autoSizeMaxTextSize="48sp"
+                    android:autoSizeMinTextSize="16sp"
+                    android:autoSizeStepGranularity="2sp"
+                    android:gravity="end|bottom"
+                    android:autoSizeTextType="uniform"
+                    android:padding="10dp"
+                    android:text="0"
+                    android:textSize="48sp"
                     tools:ignore="Suspicious0dp" />
+            </LinearLayout>
+
+
+        </LinearLayout>
 
         <TextView
             android:id="@+id/total"
             android:layout_width="0dp"
             android:layout_height="wrap_content"
+            android:autoSizeMaxTextSize="26sp"
+            android:autoSizeMinTextSize="24sp"
+            android:autoSizeStepGranularity="2sp"
+            android:autoSizeTextType="uniform"
             android:gravity="end|bottom"
             android:paddingRight="10dp"
             android:paddingBottom="10dp"
             android:text=""
             android:textSize="26sp"
-            android:autoSizeTextType="uniform"
-            android:autoSizeMinTextSize="12sp"
-            android:autoSizeMaxTextSize="26sp"
-            android:autoSizeStepGranularity="2sp"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@+id/display"
+            app:layout_constraintTop_toBottomOf="@+id/scrollView"
             tools:ignore="Suspicious0dp" />
     </androidx.constraintlayout.widget.ConstraintLayout>
 
@@ -64,209 +82,209 @@
         android:layout_height="0dp"
         android:layout_margin="8dp"
         app:columnCount="4"
-        app:rowCount="5"
-        app:layout_constraintTop_toBottomOf="@id/displayContainer"
         app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintEnd_toEndOf="parent">
+        app:layout_constraintTop_toBottomOf="@id/displayContainer"
+        app:rowCount="5">
 
         <!-- Row 1 -->
         <com.google.android.material.button.MaterialButton
             android:id="@+id/btnClear"
+            style="@style/Widget.MaterialComponents.Button.OutlinedButton"
             android:layout_width="0dp"
             android:layout_height="0dp"
-            app:layout_rowWeight="1"
-            app:layout_columnWeight="1"
             android:layout_margin="4dp"
-            android:textSize="30sp"
             android:text="C"
+            android:textSize="30sp"
             app:cornerRadius="15dp"
-            style="@style/Widget.MaterialComponents.Button.OutlinedButton"/>
+            app:layout_columnWeight="1"
+            app:layout_rowWeight="1" />
 
         <com.google.android.material.button.MaterialButton
             android:id="@+id/btnPercent"
+            style="@style/Widget.MaterialComponents.Button.OutlinedButton"
             android:layout_width="0dp"
             android:layout_height="0dp"
-            app:layout_rowWeight="1"
-            app:layout_columnWeight="1"
-            android:textSize="30sp"
             android:layout_margin="4dp"
             android:text="%"
+            android:textSize="30sp"
             app:cornerRadius="15dp"
-            style="@style/Widget.MaterialComponents.Button.OutlinedButton"/>
+            app:layout_columnWeight="1"
+            app:layout_rowWeight="1" />
 
         <com.google.android.material.button.MaterialButton
             android:id="@+id/btnDivide"
+            style="@style/Widget.MaterialComponents.Button.OutlinedButton"
             android:layout_width="0dp"
             android:layout_height="0dp"
-            app:layout_rowWeight="1"
-            app:layout_columnWeight="1"
-            android:textSize="30sp"
             android:layout_margin="4dp"
             android:text="÷"
+            android:textSize="30sp"
             app:cornerRadius="15dp"
-            style="@style/Widget.MaterialComponents.Button.OutlinedButton"/>
+            app:layout_columnWeight="1"
+            app:layout_rowWeight="1" />
 
         <com.google.android.material.button.MaterialButton
             android:id="@+id/cut"
             android:layout_width="0dp"
             android:layout_height="0dp"
-            app:layout_rowWeight="1"
-            app:layout_columnWeight="1"
-            android:textSize="30sp"
-            android:gravity="center"
             android:layout_margin="4dp"
-            app:icon="@drawable/backspace"
+            android:gravity="center"
             android:textAlignment="center"
+            android:textSize="30sp"
+            app:cornerRadius="15dp"
+            app:icon="@drawable/backspace"
             app:iconSize="32dp"
-            app:cornerRadius="15dp"/>
+            app:layout_columnWeight="1"
+            app:layout_rowWeight="1" />
 
         <!-- Row 2 -->
         <com.google.android.material.button.MaterialButton
             android:id="@+id/btn7"
+            style="@style/Widget.MaterialComponents.Button.OutlinedButton"
             android:layout_width="0dp"
             android:layout_height="0dp"
-            app:layout_rowWeight="1"
-            app:layout_columnWeight="1"
-            android:textSize="30sp"
             android:layout_margin="4dp"
             android:text="7"
+            android:textSize="30sp"
             app:cornerRadius="15dp"
-            style="@style/Widget.MaterialComponents.Button.OutlinedButton"/>
+            app:layout_columnWeight="1"
+            app:layout_rowWeight="1" />
 
         <com.google.android.material.button.MaterialButton
             android:id="@+id/btn8"
+            style="@style/Widget.MaterialComponents.Button.OutlinedButton"
             android:layout_width="0dp"
             android:layout_height="0dp"
-            app:layout_rowWeight="1"
-            app:layout_columnWeight="1"
-            android:textSize="30sp"
             android:layout_margin="4dp"
             android:text="8"
+            android:textSize="30sp"
             app:cornerRadius="15dp"
-            style="@style/Widget.MaterialComponents.Button.OutlinedButton"/>
+            app:layout_columnWeight="1"
+            app:layout_rowWeight="1" />
 
         <com.google.android.material.button.MaterialButton
             android:id="@+id/btn9"
+            style="@style/Widget.MaterialComponents.Button.OutlinedButton"
             android:layout_width="0dp"
             android:layout_height="0dp"
-            app:layout_rowWeight="1"
-            app:layout_columnWeight="1"
             android:layout_margin="4dp"
-            android:textSize="30sp"
             android:text="9"
+            android:textSize="30sp"
             app:cornerRadius="15dp"
-            style="@style/Widget.MaterialComponents.Button.OutlinedButton"/>
+            app:layout_columnWeight="1"
+            app:layout_rowWeight="1" />
 
         <com.google.android.material.button.MaterialButton
             android:id="@+id/btnMultiply"
+            style="@style/Widget.MaterialComponents.Button"
             android:layout_width="0dp"
             android:layout_height="0dp"
-            app:layout_rowWeight="1"
-            app:layout_columnWeight="1"
             android:layout_margin="4dp"
-            android:textSize="30sp"
             android:text="×"
+            android:textSize="30sp"
             app:cornerRadius="15dp"
-            style="@style/Widget.MaterialComponents.Button"/>
+            app:layout_columnWeight="1"
+            app:layout_rowWeight="1" />
 
         <!-- Row 3 -->
         <com.google.android.material.button.MaterialButton
             android:id="@+id/btn4"
+            style="@style/Widget.MaterialComponents.Button.OutlinedButton"
             android:layout_width="0dp"
             android:layout_height="0dp"
-            app:layout_rowWeight="1"
-            app:layout_columnWeight="1"
-            android:textSize="30sp"
             android:layout_margin="4dp"
-            app:cornerRadius="15dp"
             android:text="4"
-            style="@style/Widget.MaterialComponents.Button.OutlinedButton"/>
+            android:textSize="30sp"
+            app:cornerRadius="15dp"
+            app:layout_columnWeight="1"
+            app:layout_rowWeight="1" />
 
         <com.google.android.material.button.MaterialButton
             android:id="@+id/btn5"
+            style="@style/Widget.MaterialComponents.Button.OutlinedButton"
             android:layout_width="0dp"
             android:layout_height="0dp"
-            app:layout_rowWeight="1"
-            app:layout_columnWeight="1"
-            android:textSize="30sp"
             android:layout_margin="4dp"
             android:text="5"
+            android:textSize="30sp"
             app:cornerRadius="15dp"
-            style="@style/Widget.MaterialComponents.Button.OutlinedButton"/>
+            app:layout_columnWeight="1"
+            app:layout_rowWeight="1" />
 
         <com.google.android.material.button.MaterialButton
             android:id="@+id/btn6"
+            style="@style/Widget.MaterialComponents.Button.OutlinedButton"
             android:layout_width="0dp"
             android:layout_height="0dp"
-            app:layout_rowWeight="1"
-            app:layout_columnWeight="1"
-            android:textSize="30sp"
             android:layout_margin="4dp"
             android:text="6"
+            android:textSize="30sp"
             app:cornerRadius="15dp"
-            style="@style/Widget.MaterialComponents.Button.OutlinedButton"/>
+            app:layout_columnWeight="1"
+            app:layout_rowWeight="1" />
 
         <com.google.android.material.button.MaterialButton
             android:id="@+id/btnMinus"
+            style="@style/Widget.MaterialComponents.Button"
             android:layout_width="0dp"
             android:layout_height="0dp"
-            app:layout_rowWeight="1"
-            app:layout_columnWeight="1"
-            android:textSize="30sp"
             android:layout_margin="4dp"
             android:text="-"
+            android:textSize="30sp"
             app:cornerRadius="15dp"
-            style="@style/Widget.MaterialComponents.Button"/>
+            app:layout_columnWeight="1"
+            app:layout_rowWeight="1" />
 
         <!-- Row 4 -->
         <com.google.android.material.button.MaterialButton
             android:id="@+id/btn1"
+            style="@style/Widget.MaterialComponents.Button.OutlinedButton"
             android:layout_width="0dp"
             android:layout_height="0dp"
-            app:layout_rowWeight="1"
-            app:layout_columnWeight="1"
-            android:textSize="30sp"
             android:layout_margin="4dp"
             android:text="1"
+            android:textSize="30sp"
             app:cornerRadius="15dp"
-            style="@style/Widget.MaterialComponents.Button.OutlinedButton"/>
+            app:layout_columnWeight="1"
+            app:layout_rowWeight="1" />
 
         <com.google.android.material.button.MaterialButton
             android:id="@+id/btn2"
+            style="@style/Widget.MaterialComponents.Button.OutlinedButton"
             android:layout_width="0dp"
             android:layout_height="0dp"
-            app:layout_rowWeight="1"
-            app:layout_columnWeight="1"
-            android:textSize="30sp"
             android:layout_margin="4dp"
             android:text="2"
+            android:textSize="30sp"
             app:cornerRadius="15dp"
-            style="@style/Widget.MaterialComponents.Button.OutlinedButton"/>
+            app:layout_columnWeight="1"
+            app:layout_rowWeight="1" />
 
         <com.google.android.material.button.MaterialButton
             android:id="@+id/btn3"
+            style="@style/Widget.MaterialComponents.Button.OutlinedButton"
             android:layout_width="0dp"
             android:layout_height="0dp"
-            app:layout_rowWeight="1"
-            app:layout_columnWeight="1"
-            android:textSize="30sp"
             android:layout_margin="4dp"
             android:text="3"
+            android:textSize="30sp"
             app:cornerRadius="15dp"
-            style="@style/Widget.MaterialComponents.Button.OutlinedButton"/>
+            app:layout_columnWeight="1"
+            app:layout_rowWeight="1" />
 
         <com.google.android.material.button.MaterialButton
             android:id="@+id/btnPlus"
+            style="@style/Widget.MaterialComponents.Button"
             android:layout_width="0dp"
             android:layout_height="0dp"
-            app:layout_rowWeight="1"
-            app:layout_columnWeight="1"
-            android:textSize="30sp"
             android:layout_margin="4dp"
             android:text="+"
+            android:textSize="30sp"
             app:cornerRadius="15dp"
-            style="@style/Widget.MaterialComponents.Button"/>
+            app:layout_columnWeight="1"
+            app:layout_rowWeight="1" />
 
         <!-- Row 5 -->
         <com.google.android.material.button.MaterialButton
@@ -274,37 +292,37 @@
             style="@style/Widget.MaterialComponents.Button.OutlinedButton"
             android:layout_width="0dp"
             android:layout_height="0dp"
-            app:layout_rowWeight="1"
+            android:layout_margin="4dp"
+            android:text="0"
+            android:textSize="30sp"
+            app:cornerRadius="15dp"
             app:layout_columnSpan="2"
             app:layout_columnWeight="2"
-            android:textSize="30sp"
+            app:layout_rowWeight="1" />
-            android:layout_margin="4dp"
-            app:cornerRadius="15dp"
-            android:text="0" />
 
         <com.google.android.material.button.MaterialButton
             android:id="@+id/btnDot"
+            style="@style/Widget.MaterialComponents.Button.OutlinedButton"
             android:layout_width="0dp"
             android:layout_height="0dp"
-            app:layout_rowWeight="1"
-            app:layout_columnWeight="1"
-            android:textSize="30sp"
             android:layout_margin="4dp"
             android:text="."
+            android:textSize="30sp"
             app:cornerRadius="15dp"
-            style="@style/Widget.MaterialComponents.Button.OutlinedButton"/>
+            app:layout_columnWeight="1"
+            app:layout_rowWeight="1" />
 
         <com.google.android.material.button.MaterialButton
             android:id="@+id/btnEquals"
+            style="@style/Widget.MaterialComponents.Button"
             android:layout_width="0dp"
             android:layout_height="0dp"
-            app:layout_rowWeight="1"
-            app:layout_columnWeight="1"
-            android:textSize="30sp"
             android:layout_margin="4dp"
             android:text="="
+            android:textSize="30sp"
             app:cornerRadius="15dp"
-            style="@style/Widget.MaterialComponents.Button"/>
+            app:layout_columnWeight="1"
+            app:layout_rowWeight="1" />
 
     </androidx.gridlayout.widget.GridLayout>
 

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

@@ -7,9 +7,9 @@
     <string name="add_files">Add Files</string>
     <string name="failed_to_hide_documents">Failed to hide Documents</string>
     <string name="no_files_selected">No files selected</string>
-    <string name="documents_hidden_successfully">%1$s Documents hidden successfully</string>
+    <string name="documents_hidden_successfully"> Documents hidden successfully</string>
     <string name="failed_to_hide_unhide_photo">Failed to hide/unhide photo</string>
-    <string name="images_hidden_successfully">%1$s Images hidden successfully</string>
+    <string name="images_hidden_successfully"> Images hidden successfully</string>
     <string name="failed_to_hide_images">Failed to hide images</string>
     <string name="storage_permissions_granted">Storage permissions granted</string>
     <string name="storage_permissions_denied">Storage permissions denied</string>
@@ -41,7 +41,7 @@
     <string name="answer_cannot_be_empty">Answer cannot be empty!</string>
     <string name="password_successfully_reset">Password successfully reset.</string>
     <string name="invalid_answer">Invalid answer!</string>
-    <string name="videos_hidden_successfully">%1$s Videos hidden successfully</string>
+    <string name="videos_hidden_successfully"> Videos hidden successfully</string>
     <string name="failed_to_hide_videos">Failed to hide videos</string>
     <string name="image">IMAGE</string>
     <string name="video">VIDEO</string>
@@ -50,5 +50,7 @@
     <string name="no_audio_player_found">No audio player found!</string>
     <string name="no_suitable_app_found_to_open_this_document">No suitable app found to open this document!</string>
     <string name="unknown_file">Unknown File</string>
-    <string name="details">%1$s DETAILS</string>
+    <string name="details"> DETAILS</string>
+    <string name="audio_hidded_successfully">Audios hidden successfully</string>
+    <string name="no_items_available_add_one_by_clicking_on_the_plus_button">No Items Available, Add one by clicking on the</string>
 </resources>

gradle/libs.versions.toml

@@ -1,5 +1,5 @@
 [versions]
-agp = "8.7.3"
+agp = "8.9.1"
 documentfile = "1.0.1"
 exp4j = "0.4.8"
 glide = "4.16.0"

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 #Sun Nov 03 19:53:13 IST 2024
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.9-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.11.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists