Support creating launcher shortcuts for ROMs

This commit adds the ability to create launcher shortcuts to specific ROMs for convenience.

app/src/main/java/emu/skyline/MainActivity.kt

@@ -21,6 +21,7 @@ import emu.skyline.adapter.GameItem
 import emu.skyline.loader.BaseLoader
 import emu.skyline.loader.NroLoader
 import emu.skyline.loader.TitleEntry
+import emu.skyline.utility.GameDialog
 import emu.skyline.utility.RandomAccessDocument
 import kotlinx.android.synthetic.main.main_activity.*
 import java.io.File
@@ -31,7 +32,7 @@ import java.util.*
 class MainActivity : AppCompatActivity(), View.OnClickListener {
     private lateinit var sharedPreferences: SharedPreferences
     private var adapter = GameAdapter(this)
-    private fun notifyUser(text: String) {
+    fun notifyUser(text: String) {
         Snackbar.make(findViewById(android.R.id.content), text, Snackbar.LENGTH_SHORT).show()
     }
 
@@ -116,6 +117,14 @@ class MainActivity : AppCompatActivity(), View.OnClickListener {
                 startActivity(intent)
             }
         }
+        game_list.onItemLongClickListener = AdapterView.OnItemLongClickListener { parent, _, position, _ ->
+            val item = parent.getItemAtPosition(position)
+            if (item is GameItem) {
+                val dialog = GameDialog(item)
+                dialog.show(supportFragmentManager, "game")
+            }
+            true
+        }
         if (sharedPreferences.getString("search_location", "") == "") {
             val intent = Intent(Intent.ACTION_OPEN_DOCUMENT_TREE)
             intent.flags = Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION or Intent.FLAG_GRANT_PREFIX_URI_PERMISSION or Intent.FLAG_GRANT_READ_URI_PERMISSION

app/src/main/java/emu/skyline/adapter/GameAdapter.kt

@@ -16,7 +16,7 @@ import android.widget.TextView
 import emu.skyline.R
 import emu.skyline.loader.TitleEntry
 
-internal class GameItem(val meta: TitleEntry) : BaseItem() {
+class GameItem(val meta: TitleEntry) : BaseItem() {
     val icon: Bitmap?
         get() = meta.icon
 

app/src/main/java/emu/skyline/loader/BaseLoader.kt

@@ -29,7 +29,7 @@ fun getTitleFormat(uri: Uri, contentResolver: ContentResolver): TitleFormat {
     return TitleFormat.valueOf(uriStr.substring(uriStr.lastIndexOf(".") + 1).toUpperCase(Locale.ROOT))
 }
 
-internal class TitleEntry(var name: String, var author: String, var romType: TitleFormat, var valid: Boolean, @Transient var uri: Uri, @Transient var icon: Bitmap) : Serializable {
+class TitleEntry(var name: String, var author: String, var romType: TitleFormat, var valid: Boolean, var uri: Uri, var icon: Bitmap) : Serializable {
     constructor(context: Context, author: String, romType: TitleFormat, valid: Boolean, uri: Uri) : this("", author, romType, valid, uri, context.resources.getDrawable(R.drawable.ic_missing, context.theme).toBitmap(256, 256)) {
         context.contentResolver.query(uri, null, null, null, null)?.use { cursor ->
             val nameIndex: Int = cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME)

app/src/main/java/emu/skyline/utility/GameDialog.kt

@@ -0,0 +1,60 @@
+package emu.skyline.utility
+
+import android.content.ComponentName
+import android.content.Intent
+import android.content.pm.ShortcutInfo
+import android.content.pm.ShortcutManager
+import android.graphics.drawable.Icon
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.DialogFragment
+import emu.skyline.GameActivity
+import emu.skyline.R
+import emu.skyline.adapter.GameItem
+import kotlinx.android.synthetic.main.game_dialog.*
+
+class GameDialog() : DialogFragment() {
+    var item: GameItem? = null
+
+    constructor(item: GameItem) : this() {
+        this.item = item
+    }
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        return requireActivity().layoutInflater.inflate(R.layout.game_dialog, container)
+    }
+
+    override fun onActivityCreated(savedInstanceState: Bundle?) {
+        super.onActivityCreated(savedInstanceState)
+        if (item is GameItem) {
+            game_icon.setImageBitmap(item?.icon)
+            game_title.text = item?.title
+            game_subtitle.text = item?.subTitle
+            val shortcutManager = activity?.getSystemService(ShortcutManager::class.java)!!
+            game_pin.isEnabled = shortcutManager.isRequestPinShortcutSupported
+            game_pin.setOnClickListener {
+                run {
+                    val info = ShortcutInfo.Builder(context, item?.title)
+                    info.setShortLabel(item?.meta?.name!!)
+                    info.setActivity(ComponentName(context!!, GameActivity::class.java))
+                    info.setIcon(Icon.createWithBitmap(item?.icon))
+                    val intent = Intent(context, GameActivity::class.java)
+                    intent.data = item?.uri
+                    intent.action = Intent.ACTION_VIEW
+                    info.setIntent(intent)
+                    shortcutManager.requestPinShortcut(info.build(), null)
+                }
+            }
+            game_play.setOnClickListener {
+                run {
+                    val intent = Intent(activity, GameActivity::class.java)
+                    intent.data = item?.uri
+                    startActivity(intent)
+                }
+            }
+        } else
+            activity?.supportFragmentManager?.beginTransaction()?.remove(this)?.commit()
+    }
+}

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

@@ -0,0 +1,83 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:app="http://schemas.android.com/apk/res-auto"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:orientation="vertical">
+
+    <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:layout_gravity="center_vertical"
+            android:layout_marginStart="12dp"
+            android:layout_marginTop="16dp"
+            android:layout_marginEnd="12dp"
+            android:gravity="center_vertical"
+            android:orientation="horizontal">
+
+        <ImageView
+                android:id="@+id/game_icon"
+                android:layout_width="60dp"
+                android:layout_height="60dp"
+                android:contentDescription="@string/icon"
+                android:visibility="visible"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent" />
+
+        <LinearLayout
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="16dp"
+                android:orientation="vertical"
+                app:layout_constraintStart_toStartOf="@id/game_icon">
+
+            <TextView
+                    android:id="@+id/game_title"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:textAppearance="@style/TextAppearance.AppCompat.Display1"
+                    android:textSize="18sp" />
+
+            <TextView
+                    android:id="@+id/game_subtitle"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:textAppearance="@style/TextAppearance.AppCompat.Display2"
+                    android:textSize="14sp" />
+
+        </LinearLayout>
+    </LinearLayout>
+
+    <LinearLayout
+            android:id="@+id/linearLayout"
+            style="?android:attr/buttonBarStyle"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="12dp"
+            android:layout_marginTop="24dp"
+            android:layout_marginEnd="12dp"
+            android:layout_marginBottom="16dp"
+            android:gravity="clip_vertical|fill_horizontal"
+            android:orientation="horizontal"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent">
+
+        <Button
+                android:id="@+id/game_pin"
+                style="?android:attr/buttonBarButtonStyle"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="6dp"
+                android:text="@string/pin" />
+
+        <Button
+                android:id="@+id/game_play"
+                style="?android:attr/buttonBarButtonStyle"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="6dp"
+                android:layout_weight="1"
+                android:text="@string/play" />
+    </LinearLayout>
+
+</LinearLayout>

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

@@ -12,6 +12,8 @@
     <string name="icon">Icon</string>
     <string name="no_rom">Cannot find any ROMs</string>
     <string name="nro">NROs</string>
+    <string name="pin">Pin</string>
+    <string name="play">Play</string>
     <!-- Toolbar Logger -->
     <string name="clear">Clear</string>
     <string name="share">Share</string>