67 lines
No EOL
2.4 KiB
Kotlin
67 lines
No EOL
2.4 KiB
Kotlin
package com.tangem.util
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import android.content.Context
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import android.graphics.Bitmap
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import android.graphics.Color
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import android.net.ConnectivityManager
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import android.net.NetworkInfo
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import android.os.Build
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import android.widget.Toast
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import com.google.zxing.BarcodeFormat
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import com.google.zxing.EncodeHintType
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import com.google.zxing.WriterException
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import com.google.zxing.qrcode.QRCodeWriter
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import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel
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import java.util.*
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object UtilHelper {
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@Throws(WriterException::class)
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fun generateQrCode(myCodeText: String): Bitmap {
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val hintMap = Hashtable<EncodeHintType, Any>()
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hintMap[EncodeHintType.ERROR_CORRECTION] = ErrorCorrectionLevel.M // H = 30% damage
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hintMap[EncodeHintType.MARGIN] = 2
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val qrCodeWriter = QRCodeWriter()
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val size = 256
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val bitMatrix = qrCodeWriter.encode(myCodeText, BarcodeFormat.QR_CODE, size, size, hintMap)
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val width = bitMatrix.width
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val bmp = Bitmap.createBitmap(width, width, Bitmap.Config.RGB_565)
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for (x in 0 until width) {
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for (y in 0 until width) {
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bmp.setPixel(y, x, if (bitMatrix.get(x, y)) Color.BLACK else Color.WHITE)
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}
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}
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return bmp
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}
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fun isOnline(context: Context): Boolean {
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return try {
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val cm = context.getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
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val netInfo: NetworkInfo?
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netInfo = cm.activeNetworkInfo
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netInfo != null && netInfo.isConnected
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} catch (e: NullPointerException) {
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e.printStackTrace()
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false
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}
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}
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fun getDeviceInfo(): String {
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return "----------------------------------------\n" +
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"MODEL: " + Build.MODEL + "\n" +
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"ID: " + Build.ID + "\n" +
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"Manufacturer: " + Build.MANUFACTURER + "\n" +
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"Brand: " + Build.BRAND + "\n" +
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"Hardware: " + Build.HARDWARE + "\n" +
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"Version: " + Build.VERSION.RELEASE + ", " + Build.VERSION.INCREMENTAL + "\n" +
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"OS: " + Build.VERSION.BASE_OS + "\n" +
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"SDK: " + Build.VERSION.SDK_INT + "\n" +
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"BOARD: " + Build.BOARD + "\n" +
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"FINGERPRINT: " + Build.FINGERPRINT + "\n" +
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"----------------------------------------\n"
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}
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} |