feat: Add KMP URI handling, import, and QR code generation support (#4856)

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James Rich 2026-03-19 13:36:19 -05:00 committed by GitHub
parent 4eb711ce58
commit 1e55e554be
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33 changed files with 379 additions and 209 deletions

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@ -1,52 +0,0 @@
/*
* Copyright (c) 2025-2026 Meshtastic LLC
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
@file:Suppress("MagicNumber", "TooGenericExceptionCaught")
package org.meshtastic.core.model.util
import android.graphics.Bitmap
import co.touchlab.kermit.Logger
import com.google.zxing.BarcodeFormat
import com.google.zxing.MultiFormatWriter
import com.google.zxing.common.BitMatrix
import org.meshtastic.proto.ChannelSet
fun ChannelSet.qrCode(shouldAdd: Boolean): Bitmap? = try {
val multiFormatWriter = MultiFormatWriter()
val url = getChannelUrl(false, shouldAdd)
val bitMatrix = multiFormatWriter.encode(url.toString(), BarcodeFormat.QR_CODE, 960, 960)
bitMatrix.toBitmap()
} catch (ex: Throwable) {
Logger.e(ex) { "URL was too complex to render as barcode" }
null
}
private fun BitMatrix.toBitmap(): Bitmap {
val width = width
val height = height
val pixels = IntArray(width * height)
for (y in 0 until height) {
val offset = y * width
for (x in 0 until width) {
// Black: 0xFF000000, White: 0xFFFFFFFF
pixels[offset + x] = if (get(x, y)) 0xFF000000.toInt() else 0xFFFFFFFF.toInt()
}
}
val bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888)
bitmap.setPixels(pixels, 0, width, 0, 0, width, height)
return bitmap
}