diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 9bd5106..d5f2638 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -18,6 +18,18 @@
         <activity
                 android:name=".ui.CreateProjectActivity"
                 android:exported="false" />
+        <activity
+                android:name=".ui.ProjectEditActivity"
+                android:exported="false" />
+        <activity
+                android:name=".ui.CollaboratorAddActivity"
+                android:exported="false" />
+        <activity
+                android:name=".ui.TaskAddActivity"
+                android:exported="false" />
+        <activity
+                android:name=".ui.TaskEditActivity"
+                android:exported="false" />
         <activity
                 android:name=".ui.ProjectDetailActivity"
                 android:exported="false" />
diff --git a/app/src/main/java/com/campusaula/edbole/kanban_clone_android/ui/MainActivity.kt b/app/src/main/java/com/campusaula/edbole/kanban_clone_android/ui/MainActivity.kt
index fe71980..363fccb 100644
--- a/app/src/main/java/com/campusaula/edbole/kanban_clone_android/ui/MainActivity.kt
+++ b/app/src/main/java/com/campusaula/edbole/kanban_clone_android/ui/MainActivity.kt
@@ -15,6 +15,7 @@ import com.campusaula.edbole.kanban_clone_android.R
 import com.campusaula.edbole.kanban_clone_android.kanban.Project
 import com.campusaula.edbole.kanban_clone_android.network.ApiService
 import com.campusaula.edbole.kanban_clone_android.network.RetrofitInstance
+import com.campusaula.edbole.kanban_clone_android.ui.adapters.ProjectItemAdapter
 import com.google.android.material.floatingactionbutton.FloatingActionButton
 import kotlinx.coroutines.launch
 
diff --git a/app/src/main/java/com/campusaula/edbole/kanban_clone_android/ui/TaskAddActivity.kt b/app/src/main/java/com/campusaula/edbole/kanban_clone_android/ui/TaskAddActivity.kt
new file mode 100644
index 0000000..37d764c
--- /dev/null
+++ b/app/src/main/java/com/campusaula/edbole/kanban_clone_android/ui/TaskAddActivity.kt
@@ -0,0 +1,136 @@
+package com.campusaula.edbole.kanban_clone_android.ui
+
+import android.content.Intent
+import android.os.Bundle
+import android.util.Log
+import android.widget.Button
+import android.widget.EditText
+import android.widget.Spinner
+import android.widget.Toast
+import androidx.activity.enableEdgeToEdge
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.view.ViewCompat
+import androidx.core.view.WindowInsetsCompat
+import androidx.lifecycle.lifecycleScope
+import com.campusaula.edbole.kanban_clone_android.R
+import com.campusaula.edbole.kanban_clone_android.kanban.TaskBase
+import com.campusaula.edbole.kanban_clone_android.kanban.TaskStatus
+import com.campusaula.edbole.kanban_clone_android.network.ApiService
+import com.campusaula.edbole.kanban_clone_android.network.RetrofitInstance
+import com.google.android.material.floatingactionbutton.FloatingActionButton
+import kotlinx.coroutines.launch
+
+class TaskAddActivity : AppCompatActivity() {
+
+    private lateinit var api: ApiService
+
+    private lateinit var returnActionButton: FloatingActionButton
+    private lateinit var taskTitleInput: EditText
+    private lateinit var taskDescriptionInput: EditText
+    private lateinit var taskStatusSpinner: Spinner
+    private lateinit var createTaskButton: Button
+
+    private var projectId: Int = -1
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+        setContentView(R.layout.activity_task_add)
+        ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main)) { v, insets ->
+            val systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars())
+            v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom)
+            insets
+        }
+
+        api = RetrofitInstance.getRetrofit(applicationContext).create(ApiService::class.java)
+
+        // Get project ID from intent
+        projectId = intent.getIntExtra("project_id", -1)
+
+        if (projectId == -1) {
+            Toast.makeText(this, "Error: Invalid project ID", Toast.LENGTH_SHORT).show()
+            finish()
+            return
+        }
+
+        // Initialize views
+        returnActionButton = findViewById(R.id.returnActionButton)
+        taskTitleInput = findViewById(R.id.taskTitleInput)
+        taskDescriptionInput = findViewById(R.id.taskDescriptionInput)
+        taskStatusSpinner = findViewById(R.id.taskStatusSpinner)
+        createTaskButton = findViewById(R.id.createTaskButton)
+
+        // Set default status to PENDING (index 0)
+        taskStatusSpinner.setSelection(0)
+
+        // Set up button listeners
+        returnActionButton.setOnClickListener {
+            finish()
+
+            val intent = Intent(this@TaskAddActivity, ProjectDetailActivity::class.java)
+            intent.putExtra("project_id", projectId)
+            startActivity(intent)
+        }
+
+        createTaskButton.setOnClickListener {
+            createTask()
+        }
+    }
+
+    private fun createTask() {
+        val title = taskTitleInput.text.toString().trim()
+        val description = taskDescriptionInput.text.toString().trim()
+        val status = TaskStatus.entries[taskStatusSpinner.selectedItemPosition]
+
+        if (title.isEmpty()) {
+            Toast.makeText(this, "Title cannot be empty", Toast.LENGTH_SHORT).show()
+            return
+        }
+
+        lifecycleScope.launch {
+            try {
+                Log.d("TaskAddActivity", "Creating task: $title")
+                val taskBase = TaskBase(
+                    id = 0, // ID will be assigned by the server
+                    title = title,
+                    description = description,
+                    status = status
+                )
+
+                val response = api.createTask(projectId, taskBase)
+
+                if (response.isSuccessful) {
+                    Log.d("TaskAddActivity", "Task created successfully")
+                    Toast.makeText(
+                        this@TaskAddActivity,
+                        "Task created successfully",
+                        Toast.LENGTH_SHORT
+                    ).show()
+                    setResult(RESULT_OK)
+                    finish()
+
+                    // Reopen ProjectDetailActivity to show the new task
+                    val intent = Intent(this@TaskAddActivity, ProjectDetailActivity::class.java)
+                    intent.putExtra("project_id", projectId)
+                    startActivity(intent)
+                } else {
+                    val errorBody = response.errorBody()?.string()
+                    Log.e("TaskAddActivity", "Error creating task: $errorBody")
+                    Toast.makeText(
+                        this@TaskAddActivity,
+                        "Error creating task: ${response.code()}",
+                        Toast.LENGTH_SHORT
+                    ).show()
+                }
+            } catch (e: Exception) {
+                Log.e("TaskAddActivity", "Exception creating task: ${e.message}")
+                Toast.makeText(
+                    this@TaskAddActivity,
+                    "Failed to create task: ${e.message}",
+                    Toast.LENGTH_SHORT
+                ).show()
+            }
+        }
+    }
+}
+
diff --git a/app/src/main/res/layout/activity_task_add.xml b/app/src/main/res/layout/activity_task_add.xml
new file mode 100644
index 0000000..3ceeffe
--- /dev/null
+++ b/app/src/main/res/layout/activity_task_add.xml
@@ -0,0 +1,117 @@
+<?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:id="@+id/main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.TaskAddActivity">
+
+    <com.google.android.material.floatingactionbutton.FloatingActionButton
+        android:id="@+id/returnActionButton"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="@dimen/fab_margin_end"
+        android:layout_marginBottom="@dimen/fab_margin_bottom"
+        android:contentDescription="Return"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:srcCompat="@android:drawable/ic_menu_revert" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical"
+        android:paddingBottom="@dimen/bottom_padding_for_fab">
+
+        <TextView
+            android:id="@+id/titleLabel"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Add New Task"
+            android:textSize="@dimen/text_size_title"
+            android:textStyle="bold"
+            android:padding="@dimen/padding_standard"
+            android:layout_marginTop="@dimen/margin_tiny" />
+
+        <TextView
+            android:id="@+id/taskTitleLabel"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Title:"
+            android:textSize="@dimen/text_size_subtitle"
+            android:textStyle="bold"
+            android:layout_marginTop="@dimen/margin_medium"
+            android:paddingLeft="12dp"
+            android:paddingRight="12dp" />
+
+        <EditText
+            android:id="@+id/taskTitleInput"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:hint="Enter task title"
+            android:inputType="text"
+            android:padding="@dimen/padding_standard"
+            android:layout_marginLeft="@dimen/margin_standard"
+            android:layout_marginRight="@dimen/margin_standard"
+            android:layout_marginTop="@dimen/margin_small" />
+
+        <TextView
+            android:id="@+id/taskDescriptionLabel"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Description:"
+            android:textSize="@dimen/text_size_subtitle"
+            android:textStyle="bold"
+            android:layout_marginTop="@dimen/margin_medium"
+            android:paddingLeft="12dp"
+            android:paddingRight="12dp" />
+
+        <EditText
+                android:id="@+id/taskDescriptionInput"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:hint="Enter task description"
+                android:inputType="textMultiLine"
+                android:minLines="3"
+                android:maxLines="5"
+                android:padding="@dimen/padding_standard"
+                android:layout_marginLeft="@dimen/margin_standard"
+                android:layout_marginRight="@dimen/margin_standard"
+                android:layout_marginTop="@dimen/margin_small"
+                android:gravity="start|top" />
+
+        <TextView
+            android:id="@+id/taskStatusLabel"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Status:"
+            android:textSize="@dimen/text_size_subtitle"
+            android:textStyle="bold"
+            android:layout_marginTop="@dimen/margin_medium"
+            android:paddingLeft="12dp"
+            android:paddingRight="12dp" />
+
+        <Spinner
+            android:id="@+id/taskStatusSpinner"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:entries="@array/task_status_options"
+            android:padding="@dimen/padding_standard"
+            android:layout_marginLeft="@dimen/margin_standard"
+            android:layout_marginRight="@dimen/margin_standard"
+            android:layout_marginTop="@dimen/margin_small" />
+
+        <Button
+            android:id="@+id/createTaskButton"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Create Task"
+            android:backgroundTint="@color/primary_green"
+            android:layout_marginTop="@dimen/margin_large"
+            android:layout_marginLeft="@dimen/margin_standard"
+            android:layout_marginRight="@dimen/margin_standard" />
+
+    </LinearLayout>
+
+</androidx.constraintlayout.widget.ConstraintLayout>