android: Make MemoryUtil an object

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

@@ -106,13 +106,12 @@ class EmulationActivity : AppCompatActivity(), SensorEventListener {
         inputHandler = InputHandler()
         inputHandler.initialize()
 
-        val memoryUtil = MemoryUtil(this)
-        if (memoryUtil.isLessThan(8, MemoryUtil.Gb)) {
+        if (MemoryUtil.isLessThan(8, MemoryUtil.Gb)) {
             Toast.makeText(
                 this,
                 getString(
                     R.string.device_memory_inadequate,
-                    memoryUtil.getDeviceRAM(),
+                    MemoryUtil.getDeviceRAM(),
                     "8 ${getString(R.string.memory_gigabyte)}"
                 ),
                 Toast.LENGTH_LONG

src/android/app/src/main/java/org/yuzu/yuzu_emu/utils/MemoryUtil.kt

@@ -6,13 +6,22 @@ package org.yuzu.yuzu_emu.utils
 import android.app.ActivityManager
 import android.content.Context
 import org.yuzu.yuzu_emu.R
+import org.yuzu.yuzu_emu.YuzuApplication
 import java.util.Locale
 
-class MemoryUtil(val context: Context) {
+object MemoryUtil {
+    private val context get() = YuzuApplication.appContext
 
     private val Long.floatForm: String
         get() = String.format(Locale.ROOT, "%.2f", this.toDouble())
 
+    const val Kb: Long = 1024
+    const val Mb = Kb * 1024
+    const val Gb = Mb * 1024
+    const val Tb = Gb * 1024
+    const val Pb = Tb * 1024
+    const val Eb = Pb * 1024
+
     private fun bytesToSizeUnit(size: Long): String {
         return when {
             size < Kb -> "${size.floatForm} ${context.getString(R.string.memory_byte)}"
@@ -47,13 +56,4 @@ class MemoryUtil(val context: Context) {
     fun getDeviceRAM(): String {
         return bytesToSizeUnit(totalMemory)
     }
-
-    companion object {
-        const val Kb: Long = 1024
-        const val Mb = Kb * 1024
-        const val Gb = Mb * 1024
-        const val Tb = Gb * 1024
-        const val Pb = Tb * 1024
-        const val Eb = Pb * 1024
-    }
 }