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QR Code scanning with camera

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This commit is contained in:
andrekir
2021-11-15 10:54:10 -03:00
parent e4983d2c2d
commit 3ecc247c76
3 changed files with 59 additions and 12 deletions
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36
app/src/main/java/com/geeksville/mesh/ui/ChannelFragment.kt
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@@ -4,6 +4,7 @@ import android.content.ActivityNotFoundException
import android.content.Intent
import android.graphics.ColorMatrix
import android.graphics.ColorMatrixColorFilter
import android.net.Uri
import android.os.Bundle
import android.os.RemoteException
import android.view.LayoutInflater
@@ -29,6 +30,8 @@ import com.geeksville.mesh.service.MeshService
import com.google.android.material.dialog.MaterialAlertDialogBuilder
import com.google.android.material.snackbar.Snackbar
import com.google.protobuf.ByteString
import com.google.zxing.integration.android.IntentIntegrator
import java.net.MalformedURLException
import java.security.SecureRandom
@@ -70,6 +73,7 @@ class ChannelFragment : ScreenFragment("Channel"), Logging {
binding.channelOptions.isEnabled = isEditing
binding.shareButton.isEnabled = !isEditing
binding.scanButton.isEnabled = isEditing
binding.channelNameView.isEnabled = isEditing
if (isEditing) // Dim the (stale) QR code while editing...
binding.qrView.setDim()
@@ -203,6 +207,15 @@ class ChannelFragment : ScreenFragment("Channel"), Logging {
.show()
}
binding.scanButton.setOnClickListener {
val zxingScan = IntentIntegrator.forSupportFragment(this)
zxingScan.setCameraId(0)
zxingScan.setPrompt("")
zxingScan.setBeepEnabled(false)
zxingScan.setDesiredBarcodeFormats(IntentIntegrator.QR_CODE)
zxingScan.initiateScan()
}
// Note: Do not use setOnCheckedChanged here because we don't want to be called when we programmatically disable editing
binding.editableCheckbox.setOnClickListener { _ ->
@@ -287,4 +300,25 @@ class ChannelFragment : ScreenFragment("Channel"), Logging {
return ChannelProtos.ChannelSettings.ModemConfig.UNRECOGNIZED
}
}
override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
val result = IntentIntegrator.parseActivityResult(requestCode, resultCode, data)
if (result != null) {
if (result.contents == null) {
Snackbar.make(binding.scanButton, R.string.channel_invalid, Snackbar.LENGTH_LONG).show()
} else {
try {
val intent = Intent(Intent.ACTION_VIEW)
intent.data = ChannelSet(Uri.parse(result.contents)).getChannelUrl(false)
startActivity(intent)
} catch (ex: ActivityNotFoundException) {
Snackbar.make(binding.scanButton, R.string.channel_invalid, Snackbar.LENGTH_LONG).show()
} catch (ex: MalformedURLException) {
Snackbar.make(binding.scanButton, R.string.channel_invalid, Snackbar.LENGTH_LONG).show()
}
}
} else {
super.onActivityResult(requestCode, resultCode, data)
}
}
}