56 lines
1.3 KiB
Kotlin
56 lines
1.3 KiB
Kotlin
package eu.depau.etchdroid.utils.ktexts
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import android.content.Context
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import android.os.Build
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import java.io.File
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import java.io.FileOutputStream
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private val copiedBinaries: MutableMap<String, File> = HashMap()
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fun Context.getBinary(name: String): File {
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if (name in copiedBinaries.keys)
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return copiedBinaries[name]!!
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val abi = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
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Build.SUPPORTED_ABIS[0]
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else
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Build.CPU_ABI
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val arch = when {
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abi.contains("armeabi-v7a") -> "armeabi-v7a"
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abi.contains("x86_64") -> "x86_64"
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abi.contains("x86") -> "x86"
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abi.contains("arm64-v8a") -> "arm64-v8a"
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else -> null!!
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}
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val assetManager = assets
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val assetIn = assetManager.open("bin/$arch/$name")
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val bin = File("$filesDir/bin/$arch/$name")
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bin.parentFile?.mkdirs()
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if (!bin.exists())
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bin.createNewFile()
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val binOut = FileOutputStream(bin)
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// Copy executable
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var size: Long = 0
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val buff = ByteArray(1024)
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var nRead = assetIn.read(buff)
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while (nRead != -1) {
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binOut.write(buff, 0, nRead)
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size += nRead.toLong()
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nRead = assetIn.read(buff)
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}
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assetIn.close()
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binOut.close()
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bin.setExecutable(true)
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copiedBinaries[name] = bin
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return bin
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} |