Redo blacklist dialog

Completely refactor the blacklist dialog to not only use the Storage Access Framework, but also to completely eliminate the material dialogs dependency.

app/build.gradle

@@ -104,11 +104,6 @@ dependencies {
     // Material
     implementation "com.google.android.material:material:1.3.0"
 
-    // Dialogs
-    // TODO: Eliminate these, would eliminate ~100kb from the app size
-    implementation "com.afollestad.material-dialogs:core:3.3.0"
-    implementation "com.afollestad.material-dialogs:files:3.3.0"
-
     // --- DEBUG ---
 
     // Lint

app/src/main/AndroidManifest.xml

@@ -8,10 +8,6 @@
 
     <queries />
 
-    <!--
-    TODO: Bite the bullet and just use SAF so you dont have to rely on a flag that is
-     probably going to be removed by Android 12/13 (Would also eliminate the dialogs dependency)
-    -->
     <application
         android:name=".AuxioApp"
         android:allowBackup="true"
@@ -21,7 +17,6 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:exported="true"
         android:supportsRtl="true"
-        android:requestLegacyExternalStorage="true"
         android:theme="@style/Theme.Base">
         <activity
             android:name=".MainActivity"

app/src/main/java/org/oxycblt/auxio/settings/accent/AccentDialog.kt

@@ -1,14 +1,13 @@
 package org.oxycblt.auxio.settings.accent
 
-import android.app.Dialog
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import androidx.appcompat.app.AppCompatDialogFragment
-import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import org.oxycblt.auxio.databinding.DialogAccentBinding
+import org.oxycblt.auxio.logD
 import org.oxycblt.auxio.settings.SettingsManager
+import org.oxycblt.auxio.settings.ui.LifecycleDialog
 import org.oxycblt.auxio.ui.ACCENTS
 import org.oxycblt.auxio.ui.Accent
 import org.oxycblt.auxio.ui.inflater
@@ -18,7 +17,7 @@ import org.oxycblt.auxio.ui.toColor
  * Dialog responsible for showing the list of accents to select.
  * @author OxygenCobalt
  */
-class AccentDialog : AppCompatDialogFragment() {
+class AccentDialog : LifecycleDialog() {
     private val settingsManager = SettingsManager.getInstance()
     private var pendingAccent = Accent.get()
 
@@ -59,6 +58,8 @@ class AccentDialog : AppCompatDialogFragment() {
 
         updateAccent(binding)
 
+        logD("Dialog created.")
+
         return binding.root
     }
 
@@ -75,12 +76,6 @@ class AccentDialog : AppCompatDialogFragment() {
         binding.accentConfirm.setTextColor(accentColor)
     }
 
-    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
-        return MaterialAlertDialogBuilder(requireContext(), theme)
-            .setView(onCreateView(requireActivity().inflater, null, savedInstanceState))
-            .create()
-    }
-
     companion object {
         const val KEY_PENDING_ACCENT = "AXKEY_PEND_ACCENT"
     }

app/src/main/java/org/oxycblt/auxio/settings/accent/AutoGridLayoutManager.kt

@@ -9,28 +9,24 @@ import kotlin.math.max
 
 /**
  * A sub-class of [GridLayoutManager] that automatically sets the spans so that they fit the width
- * of this dialog.
+ * of the RecyclerView.
+ * Adapted from this StackOverflow answer: https://stackoverflow.com/a/30256880/14143986
  */
-@Suppress("UNUSED")
 class AutoGridLayoutManager(
     context: Context,
     attrs: AttributeSet,
     defStyleAttr: Int,
     defStyleRes: Int
 ) : GridLayoutManager(context, attrs, defStyleAttr, defStyleRes) {
-    private var columnWidth: Int = 0
+    // We use 72dp here since that's the rough size of the accent item.
+    // This will need to be modified if this is used beyond the accent dialog.
+    private var columnWidth = TypedValue.applyDimension(
+        TypedValue.COMPLEX_UNIT_DIP, 72F, context.resources.displayMetrics
+    ).toInt()
+
     private var lastWidth = -1
     private var lastHeight = -1
 
-    init {
-        // We use 72dp here since that's the rough size of the accent item, give or take.
-        // This will need to be modified if this is used beyond the accent dialog.
-        columnWidth = TypedValue.applyDimension(
-            TypedValue.COMPLEX_UNIT_DIP, 72F,
-            context.resources.displayMetrics
-        ).toInt()
-    }
-
     override fun onLayoutChildren(recycler: RecyclerView.Recycler?, state: RecyclerView.State?) {
         if (width > 0 && height > 0 && (lastWidth != width || lastHeight != height)) {
             val totalSpace = width - paddingRight - paddingLeft

app/src/main/java/org/oxycblt/auxio/settings/blacklist/BlacklistDialog.kt

@@ -2,47 +2,39 @@ package org.oxycblt.auxio.settings.blacklist
 
 import android.content.DialogInterface
 import android.content.Intent
+import android.net.Uri
 import android.os.Bundle
 import android.os.Environment
+import android.provider.DocumentsContract
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import androidx.core.view.children
+import androidx.activity.result.contract.ActivityResultContracts
 import androidx.core.view.isVisible
 import androidx.fragment.app.activityViewModels
 import androidx.fragment.app.viewModels
-import androidx.recyclerview.widget.RecyclerView
-import com.afollestad.materialdialogs.MaterialDialog
-import com.afollestad.materialdialogs.customview.getCustomView
-import com.afollestad.materialdialogs.files.folderChooser
-import com.afollestad.materialdialogs.files.selectedFolder
-import com.afollestad.materialdialogs.internal.list.DialogRecyclerView
-import com.afollestad.materialdialogs.utils.invalidateDividers
-import com.google.android.material.bottomsheet.BottomSheetDialogFragment
 import org.oxycblt.auxio.MainActivity
 import org.oxycblt.auxio.R
 import org.oxycblt.auxio.databinding.DialogBlacklistBinding
 import org.oxycblt.auxio.logD
 import org.oxycblt.auxio.playback.PlaybackViewModel
+import org.oxycblt.auxio.settings.ui.LifecycleDialog
 import org.oxycblt.auxio.ui.Accent
 import org.oxycblt.auxio.ui.createToast
 import org.oxycblt.auxio.ui.toColor
-import java.io.File
 import kotlin.system.exitProcess
 
 /**
  * Dialog that manages the currently excluded directories.
  * @author OxygenCobalt
  */
-class BlacklistDialog : BottomSheetDialogFragment() {
+class BlacklistDialog : LifecycleDialog() {
     private val blacklistModel: BlacklistViewModel by viewModels {
         BlacklistViewModel.Factory(requireContext())
     }
 
     private val playbackModel: PlaybackViewModel by activityViewModels()
 
-    override fun getTheme() = R.style.Theme_BottomSheetFix
-
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
@@ -50,14 +42,16 @@ class BlacklistDialog : BottomSheetDialogFragment() {
     ): View {
         val binding = DialogBlacklistBinding.inflate(inflater)
 
+        val launcher = registerForActivityResult(
+            ActivityResultContracts.OpenDocumentTree(), ::addDocTreePath
+        )
+
         val accent = Accent.get().color.toColor(requireContext())
 
         val adapter = BlacklistEntryAdapter { path ->
             blacklistModel.removePath(path)
         }
 
-        requireContext().setTheme(Accent.get().theme)
-
         // --- UI SETUP ---
 
         binding.blacklistRecycler.adapter = adapter
@@ -68,7 +62,8 @@ class BlacklistDialog : BottomSheetDialogFragment() {
             setTextColor(accent)
 
             setOnClickListener {
-                showFileDialog()
+                // showFileDialog()
+                launcher.launch(null)
             }
         }
 
@@ -112,48 +107,33 @@ class BlacklistDialog : BottomSheetDialogFragment() {
         blacklistModel.loadDatabasePaths()
     }
 
-    private fun showFileDialog() {
-        MaterialDialog(requireActivity()).show {
-            positiveButton(R.string.label_add) {
-                onFolderSelected()
+    private fun addDocTreePath(uri: Uri) {
+        val path = parseDocTreePath(uri)
+
+        if (path != null) {
+            blacklistModel.addPath(path)
+        } else {
+            getString(R.string.error_bad_dir).createToast(requireContext())
+        }
     }
 
-            negativeButton()
-
-            folderChooser(
-                requireContext(),
-                initialDirectory = File(getRootPath()),
-                emptyTextRes = R.string.label_no_dirs
+    private fun parseDocTreePath(uri: Uri): String? {
+        // Turn the raw URI into a document tree URI
+        val docUri = DocumentsContract.buildDocumentUriUsingTree(
+            uri, DocumentsContract.getTreeDocumentId(uri)
         )
 
-            // Once again remove the ugly dividers from the dialog, but now with an even
-            // worse solution.
-            invalidateDividers(showTop = false, showBottom = false)
+        // Turn it into a semi-usable path
+        val typeAndPath = DocumentsContract.getTreeDocumentId(docUri).split(":")
 
-            val recycler = (getCustomView() as ViewGroup)
-                .children.filterIsInstance<DialogRecyclerView>().firstOrNull()
-
-            recycler?.addOnScrollListener(object : RecyclerView.OnScrollListener() {
-                override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
-                    invalidateDividers(showTop = false, showBottom = false)
-                }
-            })
-        }
+        // We only support the main drive since that's all we can get from MediaColumns.DATA.
+        // We also check if this directory actually has multiple parts, if it isn't, then its
+        // the root directory and it shouldn't be supported.
+        if (typeAndPath[0] == "primary" && typeAndPath.size == 2) {
+            return getRootPath() + "/" + typeAndPath.last()
         }
 
-    private fun MaterialDialog.onFolderSelected() {
-        selectedFolder()?.absolutePath?.let { path ->
-            // Due to how Auxio's navigation flow works, dont allow the main root directory
-            // to be excluded, as that would lead to the user being stuck at the "No Music Found"
-            // screen.
-            if (path == getRootPath()) {
-                getString(R.string.error_brick_dir).createToast(requireContext())
-
-                return
-            }
-
-            blacklistModel.addPath(path)
-        }
+        return null
     }
 
     private fun saveAndRestart() {
@@ -163,7 +143,7 @@ class BlacklistDialog : BottomSheetDialogFragment() {
     }
 
     private fun hardRestart() {
-        logD("Performing hard-restart.")
+        logD("Performing hard restart.")
 
         // Instead of having to do a ton of cleanup and horrible code changes
         // to restart this application non-destructively, I just restart the UI task [There is only
@@ -176,6 +156,9 @@ class BlacklistDialog : BottomSheetDialogFragment() {
         exitProcess(0)
     }
 
+    /**
+     * Get *just* the root path, nothing else is really needed.
+     */
     @Suppress("DEPRECATION")
     private fun getRootPath(): String {
         return Environment.getExternalStorageDirectory().absolutePath

app/src/main/java/org/oxycblt/auxio/settings/ui/LifecycleDialog.kt

@@ -0,0 +1,24 @@
+package org.oxycblt.auxio.settings.ui
+
+import android.app.Dialog
+import android.os.Bundle
+import android.view.View
+import androidx.appcompat.app.AlertDialog
+import androidx.fragment.app.DialogFragment
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+
+/**
+ * [DialogFragment] that replicates the Fragment lifecycle in regards to [AlertDialog], which
+ * doesn't seem to set the view from onCreateView correctly.
+ */
+abstract class LifecycleDialog() : DialogFragment() {
+    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
+        return MaterialAlertDialogBuilder(requireActivity(), theme).create()
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        (requireDialog() as AlertDialog).setView(view)
+    }
+}

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

@@ -7,7 +7,7 @@
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:background="@color/background"
-        android:paddingBottom="@dimen/margin_medium"
+        android:paddingBottom="@dimen/padding_small"
         android:theme="@style/Theme.Neutral">
 
         <TextView
@@ -38,8 +38,8 @@
         <Button
             android:id="@+id/accent_cancel"
             style="@style/Widget.Button.Dialog"
-            android:layout_marginTop="@dimen/margin_medium"
-            android:layout_marginEnd="@dimen/padding_small"
+            android:layout_marginTop="@dimen/margin_small"
+            android:layout_marginEnd="@dimen/margin_small"
             android:text="@android:string/cancel"
             app:layout_constraintEnd_toStartOf="@+id/accent_confirm"
             app:layout_constraintTop_toBottomOf="@+id/accent_recycler" />
@@ -47,7 +47,7 @@
         <Button
             android:id="@+id/accent_confirm"
             style="@style/Widget.Button.Dialog"
-            android:layout_marginEnd="@dimen/margin_medium"
+            android:layout_marginEnd="@dimen/margin_small"
             android:text="@android:string/ok"
             app:layout_constraintBottom_toBottomOf="@+id/accent_cancel"
             app:layout_constraintEnd_toEndOf="parent"

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

@@ -12,7 +12,7 @@
             android:layout_height="match_parent"
             android:background="@color/background"
             android:orientation="vertical"
-            android:paddingBottom="@dimen/margin_medium"
+            android:paddingBottom="@dimen/padding_small"
             android:theme="@style/Theme.Neutral">
 
             <TextView
@@ -61,7 +61,7 @@
             <Button
                 android:id="@+id/blacklist_confirm"
                 style="@style/Widget.Button.Dialog"
-                android:layout_marginEnd="@dimen/margin_medium"
+                android:layout_marginEnd="@dimen/margin_small"
                 android:text="@string/label_save"
                 app:layout_constraintBottom_toBottomOf="@+id/blacklist_cancel"
                 app:layout_constraintEnd_toEndOf="parent"
@@ -70,8 +70,8 @@
             <Button
                 android:id="@+id/blacklist_add"
                 style="@style/Widget.Button.Dialog"
-                android:layout_marginStart="@dimen/margin_medium"
-                android:layout_marginTop="@dimen/margin_medium"
+                android:layout_marginStart="@dimen/margin_small"
+                android:layout_marginTop="@dimen/margin_small"
                 android:text="@string/label_add"
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toBottomOf="@+id/blacklist_empty_text" />

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

@@ -106,6 +106,7 @@
     <string name="error_no_perms">Auxio needs permission to read your music library</string>
     <string name="error_no_browser">Could not open link</string>
     <string name="error_brick_dir">The root folder cannot be excluded</string>
+    <string name="error_bad_dir">That directory is not supported</string>
 
     <!-- Hint Namespace | EditText Hints -->
     <string name="hint_search_library">Search your library…</string>

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

@@ -20,12 +20,6 @@
         <item name="colorControlActivated">?attr/colorPrimary</item>
         <item name="cornerRadius">0dp</item>
         <item name="colorSurface">@color/background</item>
-
-        <item name="md_background_color">@color/background</item>
-        <item name="md_corner_radius">0dp</item>
-        <item name="md_color_button_text">@color/control_color</item>
-        <item name="md_font_title">@font/inter_exbold</item>
-        <item name="md_ripple_color">@color/selection_color</item>
     </style>
 
     <!-- Toolbar theme -->

info/ARCHITECTURE.md

@@ -38,7 +38,7 @@ org.oxycblt.auxio  # Main UI's and logging utilities
 ├──.coil           # Fetchers and utilities for Coil, contains binding adapters than be used in the user interface.
 ├──.database       # Databases and their items for Auxio
 ├──.detail         # UIs for more album/artist/genre details
-│  └──.adapters    # RecyclerView adapters for the detail UIs, which display the header information and items
+└──.adapters    # RecyclerView adapters for the detail UIs, which display the header information and items
 ├──.library        # Library UI
 ├──.loading        # Loading UI
 ├──.music          # Music storage and loading