android: Show memory warning once

src/android/app/src/main/java/org/yuzu/yuzu_emu/activities/EmulationActivity.kt

@@ -34,11 +34,14 @@ import androidx.core.view.WindowCompat
 import androidx.core.view.WindowInsetsCompat
 import androidx.core.view.WindowInsetsControllerCompat
 import androidx.navigation.fragment.NavHostFragment
+import androidx.preference.PreferenceManager
 import org.yuzu.yuzu_emu.NativeLibrary
 import org.yuzu.yuzu_emu.R
+import org.yuzu.yuzu_emu.YuzuApplication
 import org.yuzu.yuzu_emu.databinding.ActivityEmulationBinding
 import org.yuzu.yuzu_emu.features.settings.model.BooleanSetting
 import org.yuzu.yuzu_emu.features.settings.model.IntSetting
+import org.yuzu.yuzu_emu.features.settings.model.Settings
 import org.yuzu.yuzu_emu.features.settings.model.SettingsViewModel
 import org.yuzu.yuzu_emu.model.Game
 import org.yuzu.yuzu_emu.utils.ControllerMappingHelper
@@ -107,20 +110,26 @@ class EmulationActivity : AppCompatActivity(), SensorEventListener {
         inputHandler = InputHandler()
         inputHandler.initialize()
 
-        if (MemoryUtil.isLessThan(MemoryUtil.REQUIRED_MEMORY, MemoryUtil.Gb)) {
-            Toast.makeText(
-                this,
-                getString(
-                    R.string.device_memory_inadequate,
-                    MemoryUtil.getDeviceRAM(),
+        val preferences = PreferenceManager.getDefaultSharedPreferences(YuzuApplication.appContext)
+        if (!preferences.getBoolean(Settings.PREF_MEMORY_WARNING_SHOWN, false)) {
+            if (MemoryUtil.isLessThan(MemoryUtil.REQUIRED_MEMORY, MemoryUtil.Gb)) {
+                Toast.makeText(
+                    this,
                     getString(
-                        R.string.memory_formatted,
-                        NumberFormat.getInstance().format(MemoryUtil.REQUIRED_MEMORY),
-                        getString(R.string.memory_gigabyte)
-                    )
-                ),
-                Toast.LENGTH_LONG
-            ).show()
+                        R.string.device_memory_inadequate,
+                        MemoryUtil.getDeviceRAM(),
+                        getString(
+                            R.string.memory_formatted,
+                            NumberFormat.getInstance().format(MemoryUtil.REQUIRED_MEMORY),
+                            getString(R.string.memory_gigabyte)
+                        )
+                    ),
+                    Toast.LENGTH_LONG
+                ).show()
+                preferences.edit()
+                    .putBoolean(Settings.PREF_MEMORY_WARNING_SHOWN, true)
+                    .apply()
+            }
         }
 
         // Start a foreground service to prevent the app from getting killed in the background

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/Settings.kt

@@ -110,6 +110,8 @@ class Settings {
         const val SECTION_THEME = "Theme"
         const val SECTION_DEBUG = "Debug"
 
+        const val PREF_MEMORY_WARNING_SHOWN = "MemoryWarningShown"
+
         const val PREF_OVERLAY_INIT = "OverlayInit"
         const val PREF_CONTROL_SCALE = "controlScale"
         const val PREF_CONTROL_OPACITY = "controlOpacity"