Add a preferences screen

app/build.gradle

@@ -39,13 +39,14 @@ dependencies {
     def nav_version = "2.5.3"
     def paging_version = "3.1.1"
     def fragment_version = "1.5.6"
+    def preference_version = "1.2.0"
 
     implementation 'androidx.core:core-ktx:1.9.0'
     implementation 'androidx.appcompat:appcompat:1.6.1'
     implementation 'com.google.android.material:material:1.8.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
     implementation 'androidx.navigation:navigation-fragment-ktx:2.5.3'
-    implementation 'androidx.navigation:navigation-ui-ktx:2.5.3'
+    implementation "androidx.navigation:navigation-ui-ktx:$nav_version"
     implementation 'com.squareup.moshi:moshi:1.14.0'
     implementation 'com.squareup.moshi:moshi-kotlin:1.14.0'
     implementation 'com.squareup.moshi:moshi-adapters:1.14.0'
@@ -55,6 +56,7 @@ dependencies {
     implementation "androidx.navigation:navigation-ui-ktx:$nav_version"
     implementation "androidx.paging:paging-runtime:$paging_version"
     implementation "androidx.fragment:fragment-ktx:$fragment_version"
+    implementation "androidx.preference:preference-ktx:$preference_version"
 
     //implementation 'androidx.core:core-ktx:+'
     testImplementation 'junit:junit:4.13.2'

app/src/main/java/fr/uca/iut/clfreville2/teaiswarm/MainActivity.kt

@@ -1,5 +1,7 @@
 package fr.uca.iut.clfreville2.teaiswarm
 
+import android.content.Context
+import android.content.SharedPreferences
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
 import androidx.core.os.bundleOf
@@ -7,19 +9,26 @@ import androidx.fragment.app.Fragment
 import androidx.fragment.app.FragmentFactory
 import androidx.navigation.fragment.NavHostFragment
 import fr.uca.iut.clfreville2.teaiswarm.fragment.RepositoryListFragment
+import fr.uca.iut.clfreville2.teaiswarm.fragment.SetupConfigFragment
 import fr.uca.iut.clfreville2.teaiswarm.model.Repository
 
 const val REPOSITORY_OWNER = "repository_owner"
 const val REPOSITORY_NAME = "repository_name"
+const val USERNAME = "username"
 
 class MainActivity : AppCompatActivity() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
-        supportFragmentManager.fragmentFactory = RepositoryListFragmentFactory { repo ->
+        val preferences = getPreferences(Context.MODE_PRIVATE)
+        supportFragmentManager.fragmentFactory = RepositoryListFragmentFactory(preferences) { repo ->
             adapterOnClick(repo)
         }
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
+        preferences.contains(USERNAME) || return
+        setContentView(R.layout.activity_main)
+        val nav = supportFragmentManager.findFragmentById(R.id.nav_host_fragment) as NavHostFragment
+        nav.navController.navigate(R.id.repository_list_fragment)
     }
 
     private fun adapterOnClick(repository: Repository) {
@@ -32,12 +41,20 @@ class MainActivity : AppCompatActivity() {
         nav.navController.navigate(R.id.activity_list_fragment, bundle)
     }
 
-    class RepositoryListFragmentFactory(private val onClick: (Repository) -> Unit) : FragmentFactory() {
+    class RepositoryListFragmentFactory(
-        override fun instantiate(classLoader: ClassLoader, className: String): Fragment {
+        private val preferences: SharedPreferences,
-            if (className == RepositoryListFragment::class.java.name) {
+        private val onClick: (Repository) -> Unit
-                return RepositoryListFragment("clement.freville2", onClick);
+    ) : FragmentFactory() {
+        override fun instantiate(classLoader: ClassLoader, className: String): Fragment =
+            when (className) {
+                RepositoryListFragment::class.java.name -> RepositoryListFragment(
+                    preferences.getString(
+                        USERNAME,
+                        null
+                    )!!, onClick
+                )
+                SetupConfigFragment::class.java.name -> SetupConfigFragment(preferences)
+                else -> super.instantiate(classLoader, className)
             }
-            return super.instantiate(classLoader, className)
-        }
     }
 }

app/src/main/java/fr/uca/iut/clfreville2/teaiswarm/fragment/PreferencesFragment.kt

@@ -0,0 +1,11 @@
+package fr.uca.iut.clfreville2.teaiswarm.fragment
+
+import android.os.Bundle
+import androidx.preference.PreferenceFragmentCompat
+import fr.uca.iut.clfreville2.teaiswarm.R
+
+class PreferencesFragment : PreferenceFragmentCompat() {
+
+    override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) =
+        setPreferencesFromResource(R.xml.preferences, rootKey)
+}

app/src/main/java/fr/uca/iut/clfreville2/teaiswarm/fragment/SetupConfigFragment.kt

@@ -0,0 +1,30 @@
+package fr.uca.iut.clfreville2.teaiswarm.fragment
+
+import android.content.SharedPreferences
+import android.os.Bundle
+import android.view.View
+import android.widget.Button
+import android.widget.EditText
+import androidx.core.content.edit
+import androidx.fragment.app.Fragment
+import androidx.navigation.findNavController
+import fr.uca.iut.clfreville2.teaiswarm.R
+import fr.uca.iut.clfreville2.teaiswarm.USERNAME
+
+class SetupConfigFragment(private val preferences: SharedPreferences) : Fragment(R.layout.setup_config) {
+
+    private lateinit var usernameInput: EditText
+    private lateinit var confirmButton: Button
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        usernameInput = view.findViewById(R.id.username_input)
+        confirmButton = view.findViewById(R.id.configure_button)
+        confirmButton.setOnClickListener {
+            preferences.edit {
+                putString(USERNAME, usernameInput.text.toString())
+            }
+            view.findNavController().navigate(R.id.repository_list_fragment)
+        }
+    }
+}

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

@@ -0,0 +1,23 @@
+<?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"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <EditText
+        android:id="@+id/username_input"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:layout_constraintBottom_toTopOf="@+id/configure_button"
+        android:autofillHints="" />
+
+    <Button
+        android:id="@+id/configure_button"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/configure"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/navigation/nav_graph.xml

@@ -2,10 +2,14 @@
 <navigation xmlns:android="http://schemas.android.com/apk/res/android"
              xmlns:app="http://schemas.android.com/apk/res-auto"
              android:id="@+id/nav_graph"
-    app:startDestination="@id/repository_ist_fragment">
+    app:startDestination="@id/setup_config_fragment">
 
     <fragment
-        android:id="@+id/repository_ist_fragment"
+        android:id="@+id/setup_config_fragment"
+        android:name="fr.uca.iut.clfreville2.teaiswarm.fragment.SetupConfigFragment"
+        android:label="SetupConfigFragment" />
+    <fragment
+        android:id="@+id/repository_list_fragment"
         android:name="fr.uca.iut.clfreville2.teaiswarm.fragment.RepositoryListFragment"
         android:label="RepositoryListFragment" >
         <action
@@ -16,4 +20,8 @@
         android:id="@+id/activity_list_fragment"
         android:name="fr.uca.iut.clfreville2.teaiswarm.fragment.ActivityListFragment"
         android:label="ActivityListFragment" />
-</navigation>
+    <fragment
+        android:id="@+id/preferences_fragment"
+        android:name="fr.uca.iut.clfreville2.teaiswarm.fragment.PreferencesFragment"
+        android:label="PreferencesFragment" />
+</navigation>

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

@@ -11,4 +11,6 @@
     <string name="language">Language: %s</string>
     <string name="loading">Loading</string>
     <string name="unknown">Unknown</string>
+    <string name="username">Username</string>
+    <string name="configure">Configure</string>
 </resources>

app/src/main/res/xml/preferences.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.preference.PreferenceScreen
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <EditTextPreference
+        app:key="username"
+        app:title="@string/username" />
+
+</androidx.preference.PreferenceScreen>