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// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
package org.yuzu.yuzu_emu.utils
import android.app.ActivityManager
import android.content.Context
import org.yuzu.yuzu_emu.R
import java.util.Locale
class MemoryUtil(val context: Context) {
private val Long.floatForm: String
get() = String.format(Locale.ROOT, "%.2f", this.toDouble())
private fun bytesToSizeUnit(size: Long): String {
return when {
size < Kb -> "${size.floatForm} ${context.getString(R.string.memory_byte)}"
size < Mb -> "${(size / Kb).floatForm} ${context.getString(R.string.memory_kilobyte)}"
size < Gb -> "${(size / Mb).floatForm} ${context.getString(R.string.memory_megabyte)}"
size < Tb -> "${(size / Gb).floatForm} ${context.getString(R.string.memory_gigabyte)}"
size < Pb -> "${(size / Tb).floatForm} ${context.getString(R.string.memory_terabyte)}"
size < Eb -> "${(size / Pb).floatForm} ${context.getString(R.string.memory_petabyte)}"
else -> "${(size / Eb).floatForm} ${context.getString(R.string.memory_exabyte)}"
}
}
private val totalMemory =
with(context.getSystemService(Context.ACTIVITY_SERVICE) as ActivityManager) {
val memInfo = ActivityManager.MemoryInfo()
getMemoryInfo(memInfo)
memInfo.totalMem
}
fun isLessThan(minimum: Int, size: Long): Boolean {
return when (size) {
Kb -> totalMemory < Mb && totalMemory < minimum
Mb -> totalMemory < Gb && (totalMemory / Mb) < minimum
Gb -> totalMemory < Tb && (totalMemory / Gb) < minimum
Tb -> totalMemory < Pb && (totalMemory / Tb) < minimum
Pb -> totalMemory < Eb && (totalMemory / Pb) < minimum
Eb -> totalMemory / Eb < minimum
else -> totalMemory < Kb && totalMemory < minimum
}
}
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
}
}
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