Add ability to open a ROM directly and Make URI Persistent

Before ROMs needed to be opened by setting the path, now they can be directly opened using the file picker. In addition, Document Tree URIs are now set to be persistent rather than being revoked after reboot.

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

@@ -4,25 +4,26 @@ import android.content.Intent
 import android.content.SharedPreferences
 import android.net.Uri
 import android.os.Bundle
+import android.provider.OpenableColumns
 import android.util.Log
 import android.view.Menu
 import android.view.MenuItem
 import android.view.View
 import android.widget.AdapterView
 import android.widget.AdapterView.OnItemClickListener
-import android.widget.ListView
 import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.widget.SearchView
 import androidx.documentfile.provider.DocumentFile
 import androidx.preference.PreferenceManager
-import com.google.android.material.floatingactionbutton.FloatingActionButton
 import com.google.android.material.snackbar.Snackbar
 import emu.skyline.adapter.GameAdapter
 import emu.skyline.adapter.GameItem
 import emu.skyline.loader.BaseLoader
 import emu.skyline.loader.NroLoader
 import emu.skyline.loader.TitleEntry
+import emu.skyline.loader.TitleFormat
 import emu.skyline.utility.RandomAccessDocument
+import kotlinx.android.synthetic.main.main_activity.*
 import java.io.File
 import java.io.IOException
 import java.util.*
@@ -88,12 +89,11 @@ class MainActivity : AppCompatActivity(), View.OnClickListener {
         setContentView(R.layout.main_activity)
         PreferenceManager.setDefaultValues(this, R.xml.preferences, false)
         sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this)
-        setSupportActionBar(findViewById(R.id.toolbar))
+        setSupportActionBar(toolbar)
-        val logFab = findViewById<FloatingActionButton>(R.id.log_fab)
+        open_fab.setOnClickListener(this)
-        logFab.setOnClickListener(this)
+        log_fab.setOnClickListener(this)
-        val gameList = findViewById<ListView>(R.id.game_list)
+        game_list.adapter = adapter
-        gameList.adapter = adapter
+        game_list.onItemClickListener = OnItemClickListener { parent: AdapterView<*>, _: View?, position: Int, _: Long ->
-        gameList.onItemClickListener = OnItemClickListener { parent: AdapterView<*>, _: View?, position: Int, _: Long ->
             val item = parent.getItemAtPosition(position)
             if (item is GameItem) {
                 val intent = Intent(this, GameActivity::class.java)
@@ -104,7 +104,8 @@ class MainActivity : AppCompatActivity(), View.OnClickListener {
         }
         if (sharedPreferences.getString("search_location", "") == "") {
             val intent = Intent(Intent.ACTION_OPEN_DOCUMENT_TREE)
-            this.startActivityForResult(intent, 1)
+            intent.flags = Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION or Intent.FLAG_GRANT_PREFIX_URI_PERMISSION or Intent.FLAG_GRANT_READ_URI_PERMISSION
+            startActivityForResult(intent, 1)
         } else
             refreshFiles(!sharedPreferences.getBoolean("refresh_required", false))
     }
@@ -129,7 +130,15 @@ class MainActivity : AppCompatActivity(), View.OnClickListener {
     }
 
     override fun onClick(view: View) {
-        if (view.id == R.id.log_fab) startActivity(Intent(this, LogActivity::class.java))
+        when (view.id) {
+            R.id.log_fab -> startActivity(Intent(this, LogActivity::class.java))
+            R.id.open_fab -> {
+                val intent = Intent(Intent.ACTION_OPEN_DOCUMENT)
+                intent.addCategory(Intent.CATEGORY_OPENABLE)
+                intent.type = "*/*"
+                startActivityForResult(intent, 2)
+            }
+        }
     }
 
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
@@ -149,16 +158,38 @@ class MainActivity : AppCompatActivity(), View.OnClickListener {
 
     override fun onResume() {
         super.onResume()
-        if(sharedPreferences.getBoolean("refresh_required", false))
+        if (sharedPreferences.getBoolean("refresh_required", false))
             refreshFiles(false)
     }
 
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
         if (resultCode == RESULT_OK) {
-            if (requestCode == 1) {
+            when (requestCode) {
-                sharedPreferences.edit().putString("search_location", data!!.data.toString()).apply()
+                1 -> {
-                refreshFiles(!sharedPreferences.getBoolean("refresh_required", false))
+                    val uri = data!!.data!!
+                    contentResolver.takePersistableUriPermission(uri, Intent.FLAG_GRANT_READ_URI_PERMISSION)
+                    sharedPreferences.edit().putString("search_location", uri.toString()).apply()
+                    refreshFiles(!sharedPreferences.getBoolean("refresh_required", false))
+                }
+                2 -> {
+                    try {
+                        val intent = Intent(this, GameActivity::class.java)
+                        val uri = data!!.data!!
+                        intent.putExtra("romUri", uri)
+                        var uriStr = ""
+                        contentResolver.query(uri, null, null, null, null)?.use { cursor ->
+                            val nameIndex: Int = cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME)
+                            cursor.moveToFirst()
+                            uriStr = cursor.getString(nameIndex)
+                        }
+                        val type = TitleFormat.valueOf(uriStr.substring(uriStr.lastIndexOf(".") + 1).toUpperCase(Locale.ROOT))
+                        intent.putExtra("romType", type)
+                        startActivity(intent)
+                    } catch (e: Exception) {
+                        notifyUser(e.message!!)
+                    }
+                }
             }
         }
     }

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

@@ -17,8 +17,10 @@ class FolderActivity : AppCompatActivity() {
         super.onActivityResult(requestCode, resultCode, data)
         if (resultCode == Activity.RESULT_OK) {
             if (requestCode == 1) {
+                val uri = data!!.data!!
+                contentResolver.takePersistableUriPermission(uri, Intent.FLAG_GRANT_READ_URI_PERMISSION)
                 PreferenceManager.getDefaultSharedPreferences(this).edit()
-                        .putString("search_location", data!!.data.toString())
+                        .putString("search_location", uri.toString())
                         .putBoolean("refresh_required", true)
                         .apply()
                 finish()

app/src/main/res/drawable/ic_log.xml

@@ -1,7 +1,6 @@
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
         android:width="24dp"
         android:height="24dp"
-        android:alpha="0.85"
         android:viewportWidth="24.0"
         android:viewportHeight="24.0">
     <path

app/src/main/res/drawable/ic_open.xml

@@ -0,0 +1,5 @@
+<vector android:height="24dp"
+    android:tint="#FFFFFF" android:viewportHeight="24.0"
+    android:viewportWidth="24.0" android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#FF000000" android:pathData="M19,4L5,4c-1.11,0 -2,0.9 -2,2v12c0,1.1 0.89,2 2,2h4v-2L5,18L5,8h14v10h-4v2h4c1.1,0 2,-0.9 2,-2L21,6c0,-1.1 -0.89,-2 -2,-2zM12,10l-4,4h3v6h2v-6h3l-4,-4z"/>
+</vector>

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

@@ -27,16 +27,31 @@
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@+id/toolbar" />
 
-    <com.google.android.material.floatingactionbutton.FloatingActionButton
+    <LinearLayout
-            android:id="@+id/log_fab"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginEnd="16dp"
             android:layout_marginBottom="16dp"
-            android:clickable="true"
+            android:orientation="vertical"
-            android:focusable="true"
             app:layout_constraintBottom_toBottomOf="parent"
-            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintEnd_toEndOf="parent">
-            app:srcCompat="@drawable/ic_log" />
+
+        <com.google.android.material.floatingactionbutton.FloatingActionButton
+                android:id="@+id/open_fab"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginBottom="8dp"
+                android:clickable="true"
+                android:focusable="true"
+                app:srcCompat="@drawable/ic_open" />
+
+        <com.google.android.material.floatingactionbutton.FloatingActionButton
+                android:id="@+id/log_fab"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:clickable="true"
+                android:focusable="true"
+                app:srcCompat="@drawable/ic_log" />
+    </LinearLayout>
 
 </androidx.constraintlayout.widget.ConstraintLayout>