Add random button

Author: Xwilarg

android/app/src/main/java/com/example/euphonia/ui/MusicFragment.kt

@@ -12,6 +12,7 @@ import android.text.Editable
 import android.text.TextWatcher
 import android.widget.AdapterView
 import android.widget.ArrayAdapter
+import android.widget.Button
 import android.widget.EditText
 import android.widget.ListView
 import androidx.activity.OnBackPressedCallback
@@ -81,6 +82,8 @@ class MusicFragment : Fragment() {
             }
         }
 
+        view.findViewById<Button>(R.id.random).setOnClickListener { onRandom() }
+
         updateList()
 
         return view
@@ -93,15 +96,16 @@ class MusicFragment : Fragment() {
     lateinit var searchBar: EditText
     var searchFilter: String = ""
 
-    /*fun onRandom(v: View) {
-        val filteredData = displayedData.filter { currentPlaylist == null || it.playlist == currentPlaylist }
-        val selectedMusics = filteredData.map { songToItem(data, it) }.shuffled().toMutableList()
+    fun onRandom() {
+        val filteredData = getCurrentMusics()
+
+        val selectedMusics = filteredData.shuffled().map { songToItem(pView.data, it) }.toMutableList()
 
-        controllerFuture.get().setMediaItems(selectedMusics)
+        pView.controllerFuture!!.get().setMediaItems(selectedMusics)
 
-        controllerFuture.get().prepare()
-        controllerFuture.get().play()
-    }*/
+        pView.controllerFuture!!.get().prepare()
+        pView.controllerFuture!!.get().play()
+    }
 
     fun onRandomFromSong(position: Int) {
         val filteredData = getCurrentMusics()

android/app/src/main/res/layout/fragment_music.xml

@@ -6,6 +6,16 @@
     android:layout_height="match_parent"
     tools:context=".ui.MusicFragment">
 
+    <Button
+        android:id="@+id/random"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/sort_random"
+        app:layout_constraintBottom_toTopOf="@+id/mainGuideline"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="@+id/guideline" />
+
     <EditText
         android:id="@+id/searchBar"
         android:layout_width="wrap_content"
@@ -15,7 +25,7 @@
         android:imeOptions="actionDone"
         android:inputType="text"
         android:minHeight="48dp"
-        app:layout_constraintBottom_toTopOf="@+id/mainGuideline"
+        app:layout_constraintBottom_toTopOf="@+id/guideline"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
@@ -27,6 +37,13 @@
         android:orientation="horizontal"
         app:layout_constraintGuide_percent=".2" />
 
+    <androidx.constraintlayout.widget.Guideline
+        android:id="@+id/guideline"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        app:layout_constraintGuide_percent=".1" />
+
     <ListView
         android:id="@+id/musicData"
         android:layout_width="0dp"
@@ -35,6 +52,8 @@
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="@+id/mainGuideline" />
+        app:layout_constraintTop_toTopOf="@+id/mainGuideline" >
+
+    </ListView>
 
 </androidx.constraintlayout.widget.ConstraintLayout>

android/app/src/main/res/menu/bottom_nav_menu.xml

@@ -9,7 +9,7 @@
     <item
         android:id="@+id/navigation_music"
         android:icon="@drawable/baseline_music_note_24"
-        android:title="@string/title_music" />
+        android:title="@string/title_music"/>
 
     <item
         android:id="@+id/navigation_settings"