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Use mobile vision APIs for QR code from files

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This commit is contained in:
Max Lv
2018-02-10 03:46:47 -08:00
parent c71c6ffe02
commit b69c20d086
2 changed files with 13 additions and 9 deletions
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mobile/src/main/java/com/github/shadowsocks/ScannerActivity.kt
+12 -9
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@@ -41,8 +41,11 @@ import com.github.shadowsocks.App.Companion.app
import com.github.shadowsocks.database.Profile
import com.github.shadowsocks.database.ProfileManager
import com.github.shadowsocks.utils.resolveResourceId
import com.google.zxing.*
import com.google.zxing.common.HybridBinarizer
import com.google.zxing.Result
import com.google.android.gms.vision.Frame
import com.google.android.gms.vision.barcode.Barcode
import com.google.android.gms.vision.barcode.BarcodeDetector
import me.dm7.barcodescanner.zxing.ZXingScannerView
class ScannerActivity : AppCompatActivity(), ZXingScannerView.ResultHandler, Toolbar.OnMenuItemClickListener {
@@ -50,8 +53,6 @@ class ScannerActivity : AppCompatActivity(), ZXingScannerView.ResultHandler, Too
private const val MY_PERMISSIONS_REQUEST_CAMERA = 1
private const val REQUEST_IMPORT = 2
private const val REQUEST_IMPORT_OR_FINISH = 3
private val hints by lazy { mapOf(Pair(DecodeHintType.TRY_HARDER, true)) }
}
private lateinit var scannerView: ZXingScannerView
@@ -143,14 +144,16 @@ class ScannerActivity : AppCompatActivity(), ZXingScannerView.ResultHandler, Too
val clipData = data?.clipData
if (clipData != null) list += (0 until clipData.itemCount).map { clipData.getItemAt(it).uri }
val resolver = contentResolver
val reader = MultiFormatReader()
var success = false
val detector = BarcodeDetector.Builder(getApplicationContext())
.setBarcodeFormats(Barcode.DATA_MATRIX or Barcode.QR_CODE)
.build()
for (uri in list) try {
val bitmap = BitmapFactory.decodeStream(resolver.openInputStream(uri))
val pixels = IntArray(bitmap.width * bitmap.height)
bitmap.getPixels(pixels, 0, bitmap.width, 0, 0, bitmap.width, bitmap.height)
Profile.findAll(reader.decode(BinaryBitmap(HybridBinarizer(
RGBLuminanceSource(bitmap.width, bitmap.height, pixels))), hints).text).forEach {
val frame = Frame.Builder().setBitmap(bitmap).build()
val barcodes = detector.detect(frame)
val value = barcodes.valueAt(0).rawValue
Profile.findAll(value).forEach {
ProfileManager.createProfile(it)
success = true
}