Adding navigation to mobile project

Mo/feature/nav route

Disaster-Response-Platform/mobile/DisasterResponsePlatform/app/build.gradle

@@ -6,6 +6,11 @@ plugins {
 android {
     namespace 'com.example.disasterresponseplatform'
     compileSdk 34
+    // These are for binding
+    buildFeatures {
+        viewBinding = true
+        dataBinding true
+    }
 
     defaultConfig {
         applicationId "com.example.disasterresponseplatform"
@@ -44,4 +49,5 @@ dependencies {
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.5'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
+
 }

Disaster-Response-Platform/mobile/DisasterResponsePlatform/app/src/main/java/com/example/disasterresponseplatform/MainActivity.kt

@@ -1,51 +1,51 @@
 package com.example.disasterresponseplatform
 
-import android.os.Bundle
-import android.widget.Button
-import android.widget.Toast
 import androidx.appcompat.app.AppCompatActivity
-import com.example.disasterresponseplatform.managers.DataResponse
-import com.example.disasterresponseplatform.managers.NetworkManager
-import com.example.disasterresponseplatform.models.enums.Endpoint
-import com.example.disasterresponseplatform.models.enums.RequestType
-import retrofit2.Call
-import retrofit2.Response
-
-
+import android.os.Bundle
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.FragmentTransaction
+import com.example.disasterresponseplatform.databinding.ActivityMainBinding
+import com.example.disasterresponseplatform.ui.HomePageFragment
 
 class MainActivity : AppCompatActivity() {
 
+    private lateinit var binding: ActivityMainBinding
+    private lateinit var homePageFragment: HomePageFragment
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_main)
-
-        val button: Button = findViewById(R.id.myButton)
-
-        button.setOnClickListener {
-            // Handle the button click event
+        binding = ActivityMainBinding.inflate(layoutInflater)
+        //instead setContentView(R.layout.activity_main) doing that with binding
+        setContentView(binding.root)
+        homePageFragment = HomePageFragment(this)
+        replaceFragment(homePageFragment)
+    }
 
-            val networkManager = NetworkManager()
 
-            val headers = mapOf("Authorization" to "Bearer YOUR_TOKEN")
+    /** This adds fragments to the back stack, in this way user can return this fragment after the view has been changed.
+     * and replace fragment.
+     */
+    fun addFragment(fragment: Fragment) {
+        val ft: FragmentTransaction = supportFragmentManager.beginTransaction()
+        ft.replace(R.id.container, fragment)
+        ft.addToBackStack(null)
+        ft.commit()
+    }
 
-            networkManager.makeRequest(
-                endpoint = Endpoint.DATA,
-                requestType = RequestType.GET,  // Specify the type of request here
-                headers = headers,
-                callback = object : retrofit2.Callback<DataResponse> {
-                    override fun onFailure(call: Call<DataResponse>, t: Throwable) {
-                        Toast.makeText(this@MainActivity, "Network error: ${t.message}", Toast.LENGTH_SHORT).show()
-                    }
+    /**
+     * This pops the fragment from fragment stack
+     */
+    fun popFragment() {
+        supportFragmentManager.popBackStack()
+    }
 
-                    override fun onResponse(call: Call<DataResponse>, response: Response<DataResponse>) {
-                        if (response.isSuccessful) {
-                            Toast.makeText(this@MainActivity, "Status Code: ${response.code()}, Successful Response!", Toast.LENGTH_SHORT).show()
-                        } else {
-                            Toast.makeText(this@MainActivity, "Status Code: ${response.code()}, Error Message: ${response.message()}", Toast.LENGTH_SHORT).show()
-                        }
-                    }
-                }
-            )
+    /**
+     * This is for replacing the fragment without adding it to the stack
+     * .apply means ft. in addFragment
+     */
+    fun replaceFragment(fragment: Fragment) {
+        supportFragmentManager.beginTransaction().apply {
+            replace(R.id.container, fragment) //replacing fragment
+            commit() //call signals to the FragmentManager that all operations have been added to the transaction
         }
     }
 }

Disaster-Response-Platform/mobile/DisasterResponsePlatform/app/src/main/java/com/example/disasterresponseplatform/ui/HomePageFragment.kt

@@ -0,0 +1,100 @@
+package com.example.disasterresponseplatform.ui
+
+import android.os.Bundle
+import androidx.fragment.app.Fragment
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.FragmentTransaction
+import com.example.disasterresponseplatform.MainActivity
+import com.example.disasterresponseplatform.R
+import com.example.disasterresponseplatform.databinding.FragmentHomePageBinding
+import com.example.disasterresponseplatform.ui.activity.ActivityFragment
+import com.example.disasterresponseplatform.ui.map.MapFragment
+import com.example.disasterresponseplatform.ui.network.NetworkFragment
+import com.example.disasterresponseplatform.ui.profile.ProfileFragment
+import com.example.disasterresponseplatform.ui.authentication.LoginFragment
+
+
+class HomePageFragment(val mainActivity: MainActivity) : Fragment() {
+
+    private lateinit var binding: FragmentHomePageBinding
+    private lateinit var networkFragment: NetworkFragment
+
+    private val loginFragment = LoginFragment()
+    private val mapFragment = MapFragment()
+    private val activityFragment = ActivityFragment()
+    private val profileFragment = ProfileFragment()
+
+    /**
+     * This defines the layout
+     */
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        binding = FragmentHomePageBinding.inflate(inflater,container,false)
+        return binding.root
+    }
+
+    /**
+     * This defines what this fragment will be do when your view is Created ( n the screen)
+     * like onCreate method of activities
+     */
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        clickButtons()
+    }
+
+    /**
+     * This defines what buttons will do when they are clicked, you can do that easily by observing it
+     * with setOnClickListener method.
+     */
+    private fun clickButtons(){
+        binding.btLogin.setOnClickListener {
+            addFragment(loginFragment)
+        }
+        binding.btMap.setOnClickListener {
+            addFragment(mapFragment)
+        }
+        binding.btActivity.setOnClickListener {
+            addFragment(activityFragment)
+        }
+        binding.btProfile.setOnClickListener {
+            addFragment(profileFragment)
+        }
+        binding.btNetwork.setOnClickListener {
+            networkFragment = NetworkFragment(mainActivity)
+            addFragment(networkFragment)
+        }
+    }
+
+    /**
+     * This method adds a fragment to parentFragmentManager which is our FragmentManager on MainActivity.
+     * It can do that by adding a backStack
+     */
+    private fun addFragment(fragment: Fragment) {
+        val ft: FragmentTransaction = parentFragmentManager.beginTransaction()
+        ft.replace(R.id.container, fragment)
+        ft.addToBackStack(null)
+        ft.commit()
+    }
+
+    /**
+     * This method can be used for back buttons. It pop one fragment from backStack
+     */
+    fun popFragment() {
+        parentFragmentManager.popBackStack()
+    }
+
+    /**
+     * This method only replace a fragment, because it doesn't add anything on backStack
+     */
+    fun replaceFragment(fragment: Fragment) {
+        parentFragmentManager.beginTransaction().apply {
+            replace(R.id.container, fragment) //replacing fragment
+            commit() //call signals to the FragmentManager that all operations have been added to the transaction
+        }
+    }
+
+}

Disaster-Response-Platform/mobile/DisasterResponsePlatform/app/src/main/java/com/example/disasterresponseplatform/ui/activity/ActivityFragment.kt

@@ -0,0 +1,59 @@
+package com.example.disasterresponseplatform.ui.activity
+
+import android.os.Bundle
+import androidx.fragment.app.Fragment
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.FragmentTransaction
+import com.example.disasterresponseplatform.R
+import com.example.disasterresponseplatform.databinding.FragmentActivityBinding
+import com.example.disasterresponseplatform.ui.activity.action.ActionFragment
+import com.example.disasterresponseplatform.ui.activity.emergency.EmergencyFragment
+import com.example.disasterresponseplatform.ui.activity.event.EventFragment
+import com.example.disasterresponseplatform.ui.activity.need.NeedFragment
+import com.example.disasterresponseplatform.ui.activity.resource.ResourceFragment
+
+class ActivityFragment : Fragment() {
+
+    private lateinit var binding: FragmentActivityBinding
+    private val emergencyFragment = EmergencyFragment()
+    private val actionFragment = ActionFragment()
+    private val eventFragment = EventFragment()
+    private val needFragment = NeedFragment()
+    private val resourceFragment = ResourceFragment()
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        binding = FragmentActivityBinding.inflate(inflater,container,false)
+        return binding.root
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding.btEmergency.setOnClickListener {
+            addFragment(emergencyFragment)
+        }
+        binding.btAction.setOnClickListener {
+            addFragment(actionFragment)
+        }
+        binding.btEvent.setOnClickListener {
+            addFragment(eventFragment)
+        }
+        binding.btNeed.setOnClickListener {
+            addFragment(needFragment)
+        }
+        binding.btResource.setOnClickListener {
+            addFragment(resourceFragment)
+        }
+    }
+
+    private fun addFragment(fragment: Fragment) {
+        val ft: FragmentTransaction = parentFragmentManager.beginTransaction()
+        ft.replace(R.id.container, fragment)
+        ft.addToBackStack(null)
+        ft.commit()
+    }
+}

Disaster-Response-Platform/mobile/DisasterResponsePlatform/app/src/main/java/com/example/disasterresponseplatform/ui/activity/action/ActionFragment.kt

@@ -0,0 +1,38 @@
+package com.example.disasterresponseplatform.ui.activity.action
+
+import android.os.Bundle
+import androidx.fragment.app.Fragment
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.FragmentTransaction
+import com.example.disasterresponseplatform.R
+import com.example.disasterresponseplatform.databinding.FragmentActionBinding
+
+class ActionFragment : Fragment() {
+
+    private lateinit var binding: FragmentActionBinding
+    private val addActionFragment = AddActionFragment()
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        binding = FragmentActionBinding.inflate(inflater,container,false)
+        return binding.root
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding.btAddAction.setOnClickListener {
+            addFragment(addActionFragment)
+        }
+    }
+
+    private fun addFragment(fragment: Fragment) {
+        val ft: FragmentTransaction = parentFragmentManager.beginTransaction()
+        ft.replace(R.id.container, fragment)
+        ft.addToBackStack(null)
+        ft.commit()
+    }
+}

Disaster-Response-Platform/mobile/DisasterResponsePlatform/app/src/main/java/com/example/disasterresponseplatform/ui/activity/action/AddActionFragment.kt

@@ -0,0 +1,7 @@
+package com.example.disasterresponseplatform.ui.activity.action
+
+import androidx.fragment.app.Fragment
+import com.example.disasterresponseplatform.R
+
+
+class AddActionFragment : Fragment(R.layout.fragment_add_action)

Disaster-Response-Platform/mobile/DisasterResponsePlatform/app/src/main/java/com/example/disasterresponseplatform/ui/activity/emergency/AddEmergencyFragment.kt

@@ -0,0 +1,7 @@
+package com.example.disasterresponseplatform.ui.activity.emergency
+
+import androidx.fragment.app.Fragment
+import com.example.disasterresponseplatform.R
+
+
+class AddEmergencyFragment : Fragment(R.layout.fragment_add_emergency)

Disaster-Response-Platform/mobile/DisasterResponsePlatform/app/src/main/java/com/example/disasterresponseplatform/ui/activity/emergency/EmergencyFragment.kt

@@ -0,0 +1,38 @@
+package com.example.disasterresponseplatform.ui.activity.emergency
+
+import android.os.Bundle
+import androidx.fragment.app.Fragment
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.FragmentTransaction
+import com.example.disasterresponseplatform.R
+import com.example.disasterresponseplatform.databinding.FragmentEmergencyBinding
+
+class EmergencyFragment : Fragment() {
+
+    private lateinit var binding: FragmentEmergencyBinding
+    private val addEmergencyFragment = AddEmergencyFragment()
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        binding = FragmentEmergencyBinding.inflate(inflater,container,false)
+        return binding.root
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding.btAddEmergency.setOnClickListener {
+            addFragment(addEmergencyFragment)
+        }
+    }
+
+    private fun addFragment(fragment: Fragment) {
+        val ft: FragmentTransaction = parentFragmentManager.beginTransaction()
+        ft.replace(R.id.container, fragment)
+        ft.addToBackStack(null)
+        ft.commit()
+    }
+}

Disaster-Response-Platform/mobile/DisasterResponsePlatform/app/src/main/java/com/example/disasterresponseplatform/ui/activity/event/AddEventFragment.kt

@@ -0,0 +1,6 @@
+package com.example.disasterresponseplatform.ui.activity.event
+
+import androidx.fragment.app.Fragment
+import com.example.disasterresponseplatform.R
+
+class AddEventFragment : Fragment(R.layout.fragment_add_event)