Logout Feature

app/src/main/java/com/example/hposregistration/data/user/UserData.kt

@@ -27,7 +27,7 @@ data class UserData(
     var isUnderTransfusion: Boolean? = false,
     var sickleCellHistory: String? = "",
     var userImageURL: String = "",
-    var createdBy: String? = "",
+    var registeredBy: String? = "",
     var createdAt: String? = "",
     var registrationCenterName: String? = "",
 ){

app/src/main/java/com/example/hposregistration/ui/fragments/UserListFragment.kt

@@ -3,6 +3,7 @@ package com.example.hposregistration.ui.fragments
 import android.app.AlertDialog
 import android.content.Context
 import android.content.DialogInterface
+import android.content.SharedPreferences
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
@@ -12,6 +13,7 @@ import androidx.fragment.app.viewModels
 import androidx.navigation.fragment.findNavController
 import com.example.hposregistration.adapters.UserListOfflineAdapter
 import com.example.hposregistration.adapters.UserListOnlineAdapter
+import com.example.hposregistration.data.Constant
 import com.example.hposregistration.data.user.UserData
 import com.example.hposregistration.ui.viewmodels.RegistrationViewModel
 import com.firebase.ui.firestore.FirestoreRecyclerOptions
@@ -31,10 +33,13 @@ class UserListFragment : BaseFragment() {
 
     private var isOnline = false
 
+    private lateinit var sharedPreference: SharedPreferences
+
     override fun onCreateView(
         inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?
     ): View {
         _binding = FragmentUserListBinding.inflate(inflater, container, false)
+        sharedPreference = requireContext().getSharedPreferences("PREFERENCE_NAME", Context.MODE_PRIVATE)
         setupViews()
         return binding.root
     }
@@ -53,6 +58,9 @@ class UserListFragment : BaseFragment() {
         binding.btnRegisterUser.setOnClickListener {
             findNavController().navigate(R.id.action_userListFragment_to_registrationFragment)
         }
+        binding.btnLogout.setOnClickListener {
+            logoutUser(requireContext())
+        }
     }
 
     private fun init() {
@@ -72,6 +80,33 @@ class UserListFragment : BaseFragment() {
         }
     }
 
+    private fun logoutUser(context: Context) {
+        val builder = AlertDialog.Builder(context)
+        builder.setTitle("Log Out")
+        builder.setMessage("Do you want to LogOut the Application?")
+
+        // Positive button
+        builder.setPositiveButton("Yes") { dialog, _ ->
+            saveUserId("")
+            findNavController().navigate(R.id.action_userListFragment_to_loginFragment)
+            dialog.dismiss()
+        }
+
+        // Negative button
+        builder.setNegativeButton("No") { dialog, _ ->
+            dialog.dismiss()
+        }
+
+        val dialog = builder.create()
+        dialog.show()
+    }
+
+    private fun saveUserId(userId: String) {
+        with(sharedPreference.edit()) {
+            putString(Constant.USER_ID, userId)
+            apply()
+        }
+    }
     private fun showUploadDialog(context: Context) {
         val builder = AlertDialog.Builder(context)
         builder.setTitle("Upload DB Registration")

app/src/main/java/com/example/hposregistration/ui/fragments/registration/ReviewDetailsRegistrationFragment.kt

@@ -98,7 +98,7 @@ class ReviewDetailsRegistrationFragment : BaseFragment() {
         userData.createdAt = SimpleDateFormat(
             "yyyy-MM-dd HH:mm:ss", Locale.getDefault()
         ).format(Calendar.getInstance().time)
-        userData.createdBy = sharedPreference.getString(Constant.USER_ID, "")
+        userData.registeredBy = sharedPreference.getString(Constant.USER_ID, "")
         viewModel.addUserToDatabase(userData)
         viewModel.deleteById(args.userId)
     }

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

@@ -0,0 +1,5 @@
+<vector android:autoMirrored="true" android:height="24dp"
+    android:tint="@color/red" android:viewportHeight="24"
+    android:viewportWidth="24" android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@color/red" android:pathData="M17,7l-1.41,1.41L18.17,11H8v2h10.17l-2.58,2.58L17,17l5,-5zM4,5h8V3H4c-1.1,0 -2,0.9 -2,2v14c0,1.1 0.9,2 2,2h8v-2H4V5z"/>
+</vector>

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

@@ -1,11 +1,11 @@
 <?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"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:padding="24dp"
-    tools:context=".ui.fragments.UserListFragment"
+    tools:context="com.example.hposregistration.ui.fragments.UserListFragment">
-    android:padding="24dp">
 
     <TextView
         android:id="@+id/tv_title"
@@ -20,12 +20,12 @@
     <TextView
         android:id="@+id/noList"
         style="@style/title1"
-        android:visibility="gone"
-        android:gravity="center"
-        android:text="@string/internet_is_not_available_and_there_is_no_data_available_in_local_db"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
+        android:gravity="center"
+        android:text="@string/internet_is_not_available_and_there_is_no_data_available_in_local_db"
         android:textColor="@color/red"
+        android:visibility="gone"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
@@ -33,14 +33,25 @@
 
     <ImageView
         android:id="@+id/uploadData"
-        android:layout_width="50dp"
+        android:layout_width="30dp"
-        android:layout_height="50dp"
+        android:layout_height="30dp"
+        android:layout_margin="5dp"
         android:src="@drawable/upload_data"
         android:visibility="gone"
         app:layout_constraintBottom_toBottomOf="@+id/tv_title"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintTop_toTopOf="@+id/tv_title" />
 
+    <ImageView
+        android:id="@+id/btnLogout"
+        android:layout_width="30dp"
+        android:layout_height="30dp"
+        android:layout_marginEnd="10dp"
+        android:src="@drawable/ic_logout"
+        app:layout_constraintBottom_toBottomOf="@+id/tv_title"
+        app:layout_constraintEnd_toStartOf="@+id/uploadData"
+        app:layout_constraintTop_toTopOf="@+id/tv_title" />
+
     <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/rv_order"
         android:layout_width="0dp"
@@ -50,18 +61,18 @@
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/tv_title"
-        tools:listitem="@layout/user_item_view"/>
+        tools:listitem="@layout/user_item_view" />
 
     <com.google.android.material.floatingactionbutton.FloatingActionButton
         android:id="@+id/btnRegisterUser"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        app:elevation="1dp"
         android:layout_margin="8dp"
-        android:src="@drawable/ic_add"
         android:backgroundTint="@color/primary"
+        android:contentDescription="@string/register_user"
+        android:src="@drawable/ic_add"
+        app:elevation="1dp"
         app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintEnd_toEndOf="parent" />
-        android:contentDescription="@string/register_user" />
 
 </androidx.constraintlayout.widget.ConstraintLayout>