WIP 2

app/src/main/java/com/isolaatti/MainActivity.kt

@@ -35,8 +35,9 @@ class MainActivity : ComponentActivity() {
         val currentToken = authRepository.getCurrentToken()
 
         if(currentToken == null) {
-
+            val loginIntent = Intent(this@MainActivity, LogInActivity::class.java)
-            signInActivityResult.launch(Intent(this@MainActivity, LogInActivity::class.java))
+            loginIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK or Intent.FLAG_ACTIVITY_NEW_TASK)
+            signInActivityResult.launch(loginIntent)
         } else {
             val homeActivityIntent = Intent(this@MainActivity, HomeActivity::class.java)
             homeActivityIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK or Intent.FLAG_ACTIVITY_NEW_TASK)

app/src/main/java/com/isolaatti/login/LogInViewModel.kt

@@ -58,12 +58,4 @@ class LogInViewModel @Inject constructor(private val authRepository: AuthReposit
             }.flowOn(Dispatchers.IO).launchIn(this)
         }
     }
-
-    fun signUp() {
-
-    }
-
-    fun forgotPassword() {
-
-    }
 }

app/src/main/java/com/isolaatti/sign_up/Module.kt

@@ -0,0 +1,25 @@
+package com.isolaatti.sign_up
+
+import com.isolaatti.connectivity.RetrofitClient
+import com.isolaatti.sign_up.data.SignUpApi
+import com.isolaatti.sign_up.data.SignUpRepositoryImpl
+import com.isolaatti.sign_up.domain.SignUpRepository
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+
+@Module
+@InstallIn(SingletonComponent::class)
+class Module {
+
+    @Provides
+    fun provideSignUpApi(retrofitClient: RetrofitClient): SignUpApi {
+        return retrofitClient.client.create(SignUpApi::class.java)
+    }
+
+    @Provides
+    fun provideSignUpRepository(signUpApi: SignUpApi): SignUpRepository {
+        return SignUpRepositoryImpl(signUpApi)
+    }
+}

app/src/main/java/com/isolaatti/sign_up/data/SignUpApi.kt

@@ -0,0 +1,34 @@
+package com.isolaatti.sign_up.data
+
+import com.isolaatti.sign_up.data.dto.CodeValidationDto
+import com.isolaatti.sign_up.data.dto.DataDto
+import com.isolaatti.sign_up.data.dto.ResultDto
+import com.isolaatti.sign_up.data.dto.SignUpWithCodeDto
+import retrofit2.Call
+import retrofit2.http.Body
+import retrofit2.http.Header
+import retrofit2.http.POST
+
+interface SignUpApi {
+
+    @POST("signUp/get_code")
+    fun getCode(
+        @Header("clientId") apiClientId: String,
+        @Header("clientSecret") apiSecret: String,
+        @Body email: DataDto
+    ): Call<ResultDto>
+
+    @POST("signUp/validate_code")
+    fun validateCode(
+        @Header("clientId") apiClientId: String,
+        @Header("clientSecret") apiSecret: String,
+        @Body code: DataDto
+    ): Call<CodeValidationDto>
+
+    @POST("signUp/sign_up_with_code")
+    fun signUpWithCode(
+        @Header("clientId") apiClientId: String,
+        @Header("clientSecret") apiSecret: String,
+        @Body dto: SignUpWithCodeDto
+    ): Call<ResultDto>
+}

app/src/main/java/com/isolaatti/sign_up/data/SignUpRepositoryImpl.kt

@@ -0,0 +1,70 @@
+package com.isolaatti.sign_up.data
+
+import com.isolaatti.BuildConfig
+import com.isolaatti.sign_up.data.dto.DataDto
+import com.isolaatti.sign_up.data.dto.SignUpWithCodeDto
+import com.isolaatti.sign_up.domain.SignUpRepository
+import com.isolaatti.sign_up.domain.entity.GetCodeResult
+import com.isolaatti.sign_up.domain.entity.SignUpResult
+import com.isolaatti.utils.Resource
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.flow
+import retrofit2.awaitResponse
+import javax.inject.Inject
+
+class SignUpRepositoryImpl @Inject constructor(private val signUpApi: SignUpApi): SignUpRepository {
+    override fun getCode(email: String): Flow<Resource<GetCodeResult>> = flow {
+        emit(Resource.Loading())
+        try {
+            val response = signUpApi.getCode(BuildConfig.clientId, BuildConfig.secret, DataDto(email)).awaitResponse()
+            if(response.isSuccessful){
+                response.body()?.let { emit(Resource.Success(GetCodeResult.valueOf(it.result)))}
+            } else {
+                emit(Resource.Error(Resource.Error.mapErrorCode(response.code())))
+            }
+        } catch (e: IllegalArgumentException) {
+            emit(Resource.Error(Resource.Error.ErrorType.OtherError, "Could not map response. $e"))
+        } catch(_: Exception) {
+            emit(Resource.Error(Resource.Error.ErrorType.NetworkError))
+        }
+    }
+
+    override fun validateCode(code: String): Flow<Resource<Boolean>> = flow {
+        emit(Resource.Loading())
+        try {
+            val response = signUpApi.validateCode(BuildConfig.clientId, BuildConfig.secret, DataDto(code)).awaitResponse()
+            if(response.isSuccessful) {
+                response.body()?.let { emit(Resource.Success(it.valid)) }
+            } else {
+                emit(Resource.Error(Resource.Error.mapErrorCode(response.code())))
+            }
+        } catch (_: Exception) {
+            emit(Resource.Error(Resource.Error.ErrorType.NetworkError))
+        }
+    }
+
+    override fun signUpWithCode(
+        username: String,
+        displayName: String,
+        password: String,
+        code: String
+    ): Flow<Resource<SignUpResult>> = flow {
+        emit(Resource.Loading())
+        try {
+            val response = signUpApi.signUpWithCode(
+                BuildConfig.clientId,
+                BuildConfig.secret,
+                SignUpWithCodeDto(username, password, displayName, code)
+            ).awaitResponse()
+            if(response.isSuccessful){
+                response.body()?.let { GetCodeResult.valueOf(it.result)}
+            } else {
+                emit(Resource.Error(Resource.Error.mapErrorCode(response.code())))
+            }
+        } catch (e: IllegalArgumentException) {
+            emit(Resource.Error(Resource.Error.ErrorType.OtherError, "Could not map response. $e"))
+        } catch(_: Exception) {
+            emit(Resource.Error(Resource.Error.ErrorType.NetworkError))
+        }
+    }
+}

app/src/main/java/com/isolaatti/sign_up/data/dto/CodeValidationDto.kt

@@ -0,0 +1,5 @@
+package com.isolaatti.sign_up.data.dto
+
+data class CodeValidationDto(
+    val valid: Boolean
+)

app/src/main/java/com/isolaatti/sign_up/data/dto/DataDto.kt

@@ -0,0 +1,5 @@
+package com.isolaatti.sign_up.data.dto
+
+data class DataDto(
+    val data: String
+)

app/src/main/java/com/isolaatti/sign_up/data/dto/ResultDto.kt

@@ -0,0 +1,5 @@
+package com.isolaatti.sign_up.data.dto
+
+data class ResultDto(
+    val result: String
+)

app/src/main/java/com/isolaatti/sign_up/data/dto/SignUpWithCodeDto.kt

@@ -0,0 +1,8 @@
+package com.isolaatti.sign_up.data.dto
+
+data class SignUpWithCodeDto(
+    val username: String,
+    val password: String,
+    val displayName: String,
+    val code: String
+)

app/src/main/java/com/isolaatti/sign_up/domain/SignUpRepository.kt

@@ -0,0 +1,12 @@
+package com.isolaatti.sign_up.domain
+
+import com.isolaatti.sign_up.domain.entity.GetCodeResult
+import com.isolaatti.sign_up.domain.entity.SignUpResult
+import com.isolaatti.utils.Resource
+import kotlinx.coroutines.flow.Flow
+
+interface SignUpRepository {
+    fun getCode(email: String): Flow<Resource<GetCodeResult>>
+    fun validateCode(code: String): Flow<Resource<Boolean>>
+    fun signUpWithCode(username: String, displayName: String, password: String, code: String): Flow<Resource<SignUpResult>>
+}

app/src/main/java/com/isolaatti/sign_up/domain/entity/GetCodeResult.kt

@@ -0,0 +1,5 @@
+package com.isolaatti.sign_up.domain.entity
+
+enum class GetCodeResult {
+    EmailUsed, Success, EmailValidationError, CodesSentLimitReached
+}

app/src/main/java/com/isolaatti/sign_up/domain/entity/SignUpResult.kt

@@ -0,0 +1,5 @@
+package com.isolaatti.sign_up.domain.entity
+
+enum class SignUpResult {
+    EmailNotAvailable, ValidationProblems, Ok, Error, UsernameUnavailable
+}

app/src/main/java/com/isolaatti/sign_up/presentation/GetCodeViewModel.kt

@@ -0,0 +1,43 @@
+package com.isolaatti.sign_up.presentation
+
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.isolaatti.sign_up.domain.SignUpRepository
+import com.isolaatti.sign_up.domain.entity.GetCodeResult
+import com.isolaatti.utils.Resource
+import com.isolaatti.utils.Validators
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.flowOn
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.onEach
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+@HiltViewModel
+class GetCodeViewModel @Inject constructor(private val signUpRepository: SignUpRepository) : ViewModel() {
+
+    var email: String = ""
+        set(value) {
+            field = value
+
+            emailIsValid.value = Validators.isEmailValid(value)
+        }
+
+
+    val emailIsValid: MutableLiveData<Boolean> = MutableLiveData(false)
+    val response: MutableLiveData<Resource<GetCodeResult>?> = MutableLiveData()
+
+    fun getCode() {
+        if(!Validators.isEmailValid(email)) {
+            return
+        }
+
+        viewModelScope.launch {
+            signUpRepository.getCode(email).onEach {
+                response.postValue(it)
+            }.flowOn(Dispatchers.IO).launchIn(this)
+        }
+    }
+}

app/src/main/java/com/isolaatti/sign_up/presentation/SignUpViewModel.kt

@@ -0,0 +1,11 @@
+package com.isolaatti.sign_up.presentation
+
+import androidx.lifecycle.ViewModel
+import com.isolaatti.sign_up.domain.SignUpRepository
+import dagger.hilt.android.lifecycle.HiltViewModel
+import javax.inject.Inject
+
+
+class SignUpViewModel : ViewModel(){
+    var code: String? = null
+}

app/src/main/java/com/isolaatti/sign_up/presentation/ValidateCodeViewModel.kt

@@ -0,0 +1,37 @@
+package com.isolaatti.sign_up.presentation
+
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.isolaatti.sign_up.domain.SignUpRepository
+import com.isolaatti.utils.Resource
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.flowOn
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.onEach
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+@HiltViewModel
+class ValidateCodeViewModel @Inject constructor(private val signUpRepository: SignUpRepository) : ViewModel() {
+    var code: String? = null
+        set(value) {
+            field = value
+            codeIsValid.value = value?.isNotBlank() == true && value.contains(" ") == false
+        }
+
+    val codeIsValid: MutableLiveData<Boolean> = MutableLiveData(false)
+    val result: MutableLiveData<Resource<Boolean>?> = MutableLiveData()
+    fun validateCode() {
+        if(code != null && code!!.isBlank() || code!!.contains(" ")) {
+            return
+        }
+        viewModelScope.launch {
+            signUpRepository.validateCode(code!!.trim()).onEach {
+                result.postValue(it)
+            }.flowOn(Dispatchers.IO).launchIn(this)
+        }
+    }
+
+}

app/src/main/java/com/isolaatti/sign_up/ui/GetCodeFragment.kt

@@ -1,21 +1,124 @@
 package com.isolaatti.sign_up.ui
 
 import android.os.Bundle
+import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.core.widget.doOnTextChanged
 import androidx.fragment.app.Fragment
+import androidx.fragment.app.activityViewModels
+import androidx.fragment.app.viewModels
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.lifecycleScope
+import androidx.lifecycle.repeatOnLifecycle
+import androidx.navigation.fragment.findNavController
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import com.isolaatti.R
+import com.isolaatti.SignUpNavigationDirections
+import com.isolaatti.common.ErrorMessageViewModel
 import com.isolaatti.databinding.FragmentGetCodeBinding
+import com.isolaatti.sign_up.domain.entity.GetCodeResult
+import com.isolaatti.sign_up.presentation.GetCodeViewModel
+import com.isolaatti.sign_up.presentation.SignUpViewModel
+import com.isolaatti.utils.Resource
+import dagger.hilt.android.AndroidEntryPoint
+import kotlinx.coroutines.launch
 
+@AndroidEntryPoint
 class GetCodeFragment : Fragment() {
 
     private lateinit var binding: FragmentGetCodeBinding
+    private val errorViewModel: ErrorMessageViewModel by activityViewModels()
+    private val viewModel: GetCodeViewModel by viewModels()
+
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
-    ): View? {
+    ): View {
         binding = FragmentGetCodeBinding.inflate(inflater)
         return binding.root
     }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        setupListeners()
+        setupObservers()
+    }
+
+    private fun retry() {
+        // TODO retry here
+    }
+
+    private fun setupListeners() {
+        binding.goToCodeButton.setOnClickListener {
+            findNavController().navigate(SignUpNavigationDirections.actionGlobalValidateCodeFragment())
+        }
+        binding.backButton.setOnClickListener {
+            requireActivity().finish()
+        }
+        binding.sendButton.setOnClickListener {
+            binding.sendButton.isEnabled = false
+            viewModel.getCode()
+        }
+        binding.textFieldEmail.editText?.doOnTextChanged { text, _, _, _ ->
+            viewModel.email = text.toString()
+        }
+    }
+
+    private fun setupObservers() {
+        viewLifecycleOwner.lifecycleScope.launch {
+            repeatOnLifecycle(Lifecycle.State.STARTED) {
+                errorViewModel.retry.collect {
+                    retry()
+                }
+            }
+        }
+
+        viewModel.emailIsValid.observe(viewLifecycleOwner) {
+            binding.sendButton.isEnabled = it
+        }
+        viewModel.response.observe(viewLifecycleOwner) {
+            binding.sendButton.isEnabled = true
+
+            when(it) {
+                is Resource.Error -> {
+                    errorViewModel.error.postValue(it.errorType)
+                    viewModel.response.value = null
+                }
+                is Resource.Loading -> {
+                    viewModel.response.value = null
+                }
+                is Resource.Success -> {
+                    viewModel.response.value = null
+                    if(it.data == GetCodeResult.Success) {
+                        findNavController().navigate(GetCodeFragmentDirections.actionGetCodeFragmentToValidateCodeFragment())
+                        return@observe
+                    }
+                    showResultDialog(it.data!!)
+
+                }
+
+                null -> {}
+            }
+
+
+
+        }
+    }
+
+    private fun showResultDialog(result: GetCodeResult) {
+        val message = when(result) {
+            GetCodeResult.EmailUsed -> R.string.email_used_when_getting_code
+            GetCodeResult.EmailValidationError -> R.string.invalid_email
+            GetCodeResult.CodesSentLimitReached -> R.string.codes_sent_limit_reached
+            else -> 0
+        }
+        MaterialAlertDialogBuilder(requireContext())
+            .setMessage(message)
+            .setPositiveButton(R.string.accept, null)
+            .show()
+    }
 }

app/src/main/java/com/isolaatti/sign_up/ui/MakeAccountFragment.kt

@@ -1,6 +1,22 @@
 package com.isolaatti.sign_up.ui
 
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
 import androidx.fragment.app.Fragment
+import com.isolaatti.databinding.FragmentMakeAccountBinding
 
 class MakeAccountFragment : Fragment() {
+
+    private lateinit var binding: FragmentMakeAccountBinding
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        binding = FragmentMakeAccountBinding.inflate(inflater)
+
+        return binding.root
+    }
 }

app/src/main/java/com/isolaatti/sign_up/ui/SignUpActivity.kt

@@ -3,12 +3,17 @@ package com.isolaatti.sign_up.ui
 import android.content.Context
 import android.content.Intent
 import android.os.Bundle
+import androidx.activity.viewModels
 import androidx.appcompat.app.AppCompatActivity
-import androidx.core.app.ActivityCompat
+import com.isolaatti.common.IsolaattiBaseActivity
 import com.isolaatti.databinding.ActivitySignUpBinding
+import com.isolaatti.sign_up.presentation.SignUpViewModel
+import dagger.hilt.android.AndroidEntryPoint
 
-class SignUpActivity : AppCompatActivity() {
+@AndroidEntryPoint
+class SignUpActivity : IsolaattiBaseActivity() {
     private lateinit var binding: ActivitySignUpBinding
+    private val viewModel: SignUpViewModel by viewModels()
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)

app/src/main/java/com/isolaatti/sign_up/ui/ValidateCodeFragment.kt

@@ -1,6 +1,126 @@
 package com.isolaatti.sign_up.ui
 
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.appcompat.app.AlertDialog
+import androidx.core.widget.doOnTextChanged
 import androidx.fragment.app.Fragment
+import androidx.fragment.app.activityViewModels
+import androidx.fragment.app.viewModels
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.lifecycleScope
+import androidx.lifecycle.repeatOnLifecycle
+import androidx.navigation.fragment.findNavController
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import com.isolaatti.R
+import com.isolaatti.common.ErrorMessageViewModel
+import com.isolaatti.databinding.FragmentValidateCodeBinding
+import com.isolaatti.sign_up.presentation.SignUpViewModel
+import com.isolaatti.sign_up.presentation.ValidateCodeViewModel
+import com.isolaatti.utils.Resource
+import dagger.hilt.android.AndroidEntryPoint
+import kotlinx.coroutines.launch
 
+@AndroidEntryPoint
 class ValidateCodeFragment : Fragment() {
+
+    private lateinit var binding: FragmentValidateCodeBinding
+    private val activityViewModel: SignUpViewModel by activityViewModels()
+    private val errorViewModel: ErrorMessageViewModel by activityViewModels()
+    private val viewModel: ValidateCodeViewModel by viewModels()
+
+    private val loadingDialog: AlertDialog by lazy {
+        MaterialAlertDialogBuilder(requireContext())
+            .setMessage(R.string.loading)
+            .show()
+    }
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        binding = FragmentValidateCodeBinding.inflate(inflater)
+        return binding.root
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        setupListeners()
+        setupObservers()
+    }
+
+    private fun retry() {
+        // TODO retry here
+    }
+
+    private fun setupListeners() {
+        binding.backButton.setOnClickListener {
+            findNavController().popBackStack()
+        }
+        binding.textFieldCode.editText?.doOnTextChanged { text, _, _, _ ->
+            viewModel.code = text.toString()
+        }
+        binding.acceptButton.setOnClickListener {
+            viewModel.validateCode()
+        }
+    }
+
+    private fun setupObservers() {
+        viewLifecycleOwner.lifecycleScope.launch {
+            repeatOnLifecycle(Lifecycle.State.STARTED) {
+                errorViewModel.retry.collect {
+                    retry()
+                }
+            }
+        }
+
+        viewModel.codeIsValid.observe(viewLifecycleOwner) {
+            binding.acceptButton.isEnabled = it
+        }
+        viewModel.result.observe(viewLifecycleOwner) {
+            when(it) {
+                is Resource.Error -> {
+                    errorViewModel.error.postValue(it.errorType)
+                }
+                is Resource.Loading -> {
+                    showLoading(true)
+                }
+                is Resource.Success -> {
+                    showLoading(false)
+                    if(it.data!!) {
+                        viewModel.result.value = null
+
+                        activityViewModel.code = viewModel.code
+                        findNavController().navigate(ValidateCodeFragmentDirections.actionValidateCodeFragmentToMakeAccountFragment())
+                    } else {
+                        showError()
+                    }
+                }
+                null -> {}
+            }
+
+        }
+    }
+
+    private fun showLoading(loading: Boolean) {
+        binding.acceptButton.isEnabled = !loading
+        binding.textFieldCode.isEnabled = !loading
+        if(loading) {
+            loadingDialog.show()
+        } else {
+            loadingDialog.dismiss()
+        }
+    }
+
+    private fun showError() {
+        MaterialAlertDialogBuilder(requireContext())
+            .setMessage(R.string.invalid_code)
+            .setPositiveButton(R.string.accept) {_,_ ->
+                binding.acceptButton.isEnabled = true
+            }
+            .show()
+    }
 }

app/src/main/java/com/isolaatti/utils/Resource.kt

@@ -3,7 +3,7 @@ package com.isolaatti.utils
 sealed class Resource<T> {
     class Success<T>(val data: T?): Resource<T>()
     class Loading<T>:  Resource<T>()
-    class Error<T>(val errorType: ErrorType? = null): Resource<T>() {
+    class Error<T>(val errorType: ErrorType? = null, val message: String? = null): Resource<T>() {
         enum class ErrorType {
             NetworkError, AuthError, NotFoundError, ServerError, OtherError
         }

app/src/main/java/com/isolaatti/utils/Validators.kt

@@ -0,0 +1,9 @@
+package com.isolaatti.utils
+
+object Validators {
+    fun isEmailValid(email: String): Boolean {
+        val emailRegex = "^[A-Za-z0-9+_.-]+@[A-Za-z0-9.-]+\$".toRegex()
+
+        return email.matches(emailRegex)
+    }
+}

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

@@ -25,10 +25,9 @@
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:layout_margin="24dp"
-                android:fontFamily="@font/zen_dots_regular"
                 android:text="@string/app_name"
                 android:textAlignment="center"
-                android:textAppearance="?attr/textAppearanceHeadlineLarge" />
+                style="@style/toolbar_text" />
 
             <TextView
                 android:layout_width="match_parent"

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

@@ -20,20 +20,35 @@
                 android:textAlignment="center"
                 android:layout_marginTop="30dp"
                 style="@style/toolbar_text"/>
-            <TextView
+            <LinearLayout
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:layout_marginHorizontal="16dp"
+                android:orientation="horizontal"
-                android:textSize="28sp"
+                android:gravity="center_vertical">
-                android:text="@string/sign_up"/>
+                <Button
+                    android:id="@+id/backButton"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    app:icon="@drawable/baseline_arrow_back_24"
+                    style="?attr/materialIconButtonStyle" />
+                <TextView
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginHorizontal="16dp"
+                    android:textSize="28sp"
+                    android:lines="2"
+                    android:gravity="center_vertical"
+                    android:text="@string/sign_up"/>
+            </LinearLayout>
             <TextView
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:text="@string/get_code_info"
-                android:layout_marginTop="20dp"
+                android:layout_marginTop="16dp"
                 android:layout_marginHorizontal="16dp"/>
 
             <com.google.android.material.button.MaterialButton
+                android:id="@+id/goToCodeButton"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_gravity="center_horizontal"
@@ -42,6 +57,7 @@
                 style="@style/Widget.Material3.Button.TextButton"/>
 
             <com.google.android.material.textfield.TextInputLayout
+                android:id="@+id/textFieldEmail"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 style="?attr/textInputOutlinedStyle"
@@ -54,6 +70,7 @@
                     android:maxLines="1" />
             </com.google.android.material.textfield.TextInputLayout>
             <com.google.android.material.button.MaterialButton
+                android:id="@+id/sendButton"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:layout_marginTop="16dp"

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

@@ -1,6 +1,118 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
-</androidx.constraintlayout.widget.ConstraintLayout>
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical">
+
+        <TextView
+            android:id="@+id/brand"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/app_name"
+            android:textAlignment="center"
+            android:layout_marginTop="30dp"
+            style="@style/toolbar_text"/>
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal"
+            android:gravity="center_vertical">
+            <TextView
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginHorizontal="16dp"
+                android:textSize="28sp"
+                android:lines="2"
+                android:gravity="center_vertical"
+                android:text="@string/let_s_make_your_account"/>
+        </LinearLayout>
+
+        <com.google.android.material.textfield.TextInputLayout
+            android:id="@+id/textUsername"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            style="?attr/textInputOutlinedStyle"
+            android:layout_marginTop="4dp"
+            android:layout_marginHorizontal="16dp"
+            android:hint="@string/unique_username">
+            <com.google.android.material.textfield.TextInputEditText
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:maxLines="1" />
+        </com.google.android.material.textfield.TextInputLayout>
+        <com.google.android.material.textfield.TextInputLayout
+            android:id="@+id/textDisplayName"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            style="?attr/textInputOutlinedStyle"
+            android:layout_marginTop="4dp"
+            android:layout_marginHorizontal="16dp"
+            android:hint="@string/display_name">
+            <com.google.android.material.textfield.TextInputEditText
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:maxLines="1" />
+        </com.google.android.material.textfield.TextInputLayout>
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/create_a_password"
+            android:layout_marginTop="16dp"
+            android:textSize="18sp"
+            android:layout_marginHorizontal="16dp"/>
+
+        <com.google.android.material.textfield.TextInputLayout
+            android:id="@+id/password"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            style="?attr/textInputOutlinedStyle"
+            android:layout_marginTop="4dp"
+            android:layout_marginHorizontal="16dp"
+            android:hint="@string/password">
+            <com.google.android.material.textfield.TextInputEditText
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:maxLines="1" />
+        </com.google.android.material.textfield.TextInputLayout>
+
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/before_making_your_account_please_read_these_legal_terms"
+            android:layout_marginTop="16dp"
+            android:layout_marginHorizontal="16dp"/>
+
+        <com.google.android.material.button.MaterialButton
+            android:id="@+id/readTermsAndConditions"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/terms_and_conditions"
+            android:layout_marginStart="16dp"
+            android:layout_marginTop="4dp"
+            style="@style/Widget.Material3.Button.TextButton"/>
+        <com.google.android.material.button.MaterialButton
+            android:id="@+id/privacy_policy"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/privacy_policy"
+            android:layout_marginStart="16dp"
+            android:layout_marginTop="2dp"
+            style="@style/Widget.Material3.Button.TextButton"/>
+
+
+        <com.google.android.material.button.MaterialButton
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="16dp"
+            android:layout_marginHorizontal="16dp"
+            android:text="Go"/>
+
+    </LinearLayout>
+
+
+</ScrollView>

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

@@ -1,6 +1,69 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:orientation="vertical">
 
-</androidx.constraintlayout.widget.ConstraintLayout>
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical">
+        <TextView
+            android:id="@+id/brand"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/app_name"
+            android:textAlignment="center"
+            android:layout_marginTop="30dp"
+            style="@style/toolbar_text"/>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal"
+            android:gravity="center_vertical">
+            <Button
+                android:id="@+id/backButton"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                app:icon="@drawable/baseline_arrow_back_24"
+                style="?attr/materialIconButtonStyle" />
+            <TextView
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginHorizontal="16dp"
+                android:textSize="28sp"
+                android:text="@string/enter_the_code_we_sent_you_by_email"/>
+        </LinearLayout>
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/code_extended_description"
+            android:layout_marginTop="16dp"
+            android:layout_marginHorizontal="16dp"/>
+
+        <com.google.android.material.textfield.TextInputLayout
+            android:id="@+id/textFieldCode"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            style="?attr/textInputOutlinedStyle"
+            android:layout_marginTop="4dp"
+            android:layout_marginHorizontal="16dp"
+            android:hint="@string/code">
+            <com.google.android.material.textfield.TextInputEditText
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:maxLines="1" />
+        </com.google.android.material.textfield.TextInputLayout>
+
+        <com.google.android.material.button.MaterialButton
+            android:id="@+id/acceptButton"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/accept"
+            android:layout_marginTop="16dp"
+            android:layout_gravity="center_horizontal"/>
+    </LinearLayout>
+
+</ScrollView>

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

@@ -91,4 +91,23 @@
     <string name="get_code_info">The first step to create an account is to provide your email address. We will send a code that you will need to enter in the next step.</string>
     <string name="send">Send</string>
     <string name="already_have_a_code">Already have a code?</string>
+    <string name="code">Code</string>
+    <string name="code_extended_description">
+        Your account is almost there, you just have to enter the code that we sent to your email.
+        \n\n
+        If you can\'t see it, check your spam folder. If you still can\'t see it, wait a few minutes for the email to arrive.
+    </string>
+    <string name="enter_the_code_we_sent_you_by_email">Enter the code we sent you by email</string>
+    <string name="email_used_when_getting_code">The email address you want to use to create this account has already been used previously.</string>
+    <string name="invalid_code">The code you entered is invalid. Some reasons may be that the code is  misspelled or it has already expired.</string>
+    <string name="invalid_email">Email is invalid</string>
+    <string name="codes_sent_limit_reached">It is not possible to send more codes, you have reached the limit. Contact the administrator.</string>
+    <string name="loading">Loading...</string>
+    <string name="unique_username">Unique username</string>
+    <string name="display_name">Display name</string>
+    <string name="create_a_password">Create a fairly password</string>
+    <string name="let_s_make_your_account">Let\'s make your account</string>
+    <string name="before_making_your_account_please_read_these_legal_terms">Before making your account, please read and accept these legal terms.</string>
+    <string name="terms_and_conditions">Terms and conditions</string>
+    <string name="privacy_policy">Privacy policy</string>
 </resources>