[Feature] Added QR code scanning functionality to add deeplink (#39)

Mutant-Slayer · anasshikoh-design · web-flow · commit 9969ac97a7dd · 2025-08-08T23:10:27.000+05:30
* added QR code scanner to add deeplink

* lint fix

* lint fix

* lint fix

* lint fix

---------

Co-authored-by: anas shikoh &lt;anas.shikoh@kukufm.com&gt;
diff --git a/app/build.gradle.kts b/app/build.gradle.kts
@@ -98,6 +98,7 @@ dependencies {
     implementation(libs.accompanist)
     implementation(libs.opencsv)
     implementation(libs.koin.compose)
+    implementation(libs.zxing.scanner)
     ktlint(libs.ktlint)
     implementation("dev.chrisbanes.haze:haze:1.6.9")
     implementation("dev.chrisbanes.haze:haze-materials:1.6.9")
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
 
     <application
         android:name=".DeeprApplication"
@@ -23,6 +24,10 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <activity
+            android:name="com.journeyapps.barcodescanner.CaptureActivity"
+            android:screenOrientation="portrait"
+            tools:replace="screenOrientation" />
     </application>
 
 </manifest>
diff --git a/app/src/main/java/com/yogeshpaliyal/deepr/ui/screens/Home.kt b/app/src/main/java/com/yogeshpaliyal/deepr/ui/screens/Home.kt
@@ -4,6 +4,7 @@ import android.content.ClipData
 import android.content.ClipboardManager
 import android.content.Context
 import android.widget.Toast
+import androidx.activity.compose.rememberLauncherForActivityResult
 import androidx.compose.animation.AnimatedVisibility
 import androidx.compose.foundation.combinedClickable
 import androidx.compose.foundation.layout.Arrangement
@@ -53,11 +54,12 @@ import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
-import androidx.lifecycle.viewmodel.compose.viewModel
+import com.journeyapps.barcodescanner.ScanOptions
 import com.yogeshpaliyal.deepr.Deepr
 import com.yogeshpaliyal.deepr.ui.components.CreateShortcutDialog
 import com.yogeshpaliyal.deepr.ui.components.EditDeeplinkDialog
 import com.yogeshpaliyal.deepr.ui.components.QrCodeDialog
+import com.yogeshpaliyal.deepr.util.QRScanner
 import com.yogeshpaliyal.deepr.util.hasShortcut
 import com.yogeshpaliyal.deepr.util.isShortcutSupported
 import com.yogeshpaliyal.deepr.util.isValidDeeplink
@@ -100,6 +102,22 @@ fun HomeScreen(
     var isSearchActive by remember { mutableStateOf(false) }
     var searchQuery by remember { mutableStateOf("") }
     val hazeState = rememberHazeState()
+    val context = LocalContext.current
+    val qrScanner =
+        rememberLauncherForActivityResult(
+            QRScanner(),
+        ) { result ->
+            if (result.contents == null) {
+                Toast.makeText(context, "No Data found", Toast.LENGTH_SHORT).show()
+            } else {
+                if (isValidDeeplink(result.contents)) {
+                    viewModel.insertAccount(result.contents, false)
+                    Toast.makeText(context, "Saved", Toast.LENGTH_SHORT).show()
+                } else {
+                    Toast.makeText(context, "Invalid deeplink", Toast.LENGTH_SHORT).show()
+                }
+            }
+        }
 
     Scaffold(
         modifier = modifier.fillMaxSize(),
@@ -130,10 +148,17 @@ fun HomeScreen(
                                 contentDescription = if (isSearchActive) "Close search" else "Search",
                             )
                         }
+                        IconButton(onClick = {
+                            qrScanner.launch(ScanOptions())
+                        }) {
+                            Icon(
+                                TablerIcons.Qrcode,
+                                contentDescription = "QR Scanner",
+                            )
+                        }
                         FilterMenu(onSortOrderChange = {
                             viewModel.setSortOrder(it)
                         })
-
                         IconButton(onClick = {
                             backStack.add(Settings)
                         }) {
@@ -174,6 +199,7 @@ fun HomeScreen(
     }
 }
 
+@OptIn(ExperimentalHazeMaterialsApi::class)
 @Composable
 fun BottomContent(
     hazeState: HazeState,
@@ -191,8 +217,10 @@ fun BottomContent(
                     RoundedCornerShape(
                         topStart = 12.dp,
                     ),
-                ).hazeEffect(state = hazeState, style = HazeMaterials.thin())
-                .fillMaxWidth(),
+                ).hazeEffect(
+                    state = hazeState,
+                    style = HazeMaterials.thin(),
+                ).fillMaxWidth(),
     ) {
         Column(
             modifier =
@@ -229,8 +257,11 @@ fun BottomContent(
                     if (isValidDeeplink(inputText.value)) {
                         viewModel.insertAccount(inputText.value, false)
                         Toast
-                            .makeText(context, "Saved", Toast.LENGTH_SHORT)
-                            .show()
+                            .makeText(
+                                context,
+                                "Saved",
+                                Toast.LENGTH_SHORT,
+                            ).show()
                         inputText.value = ""
                     } else {
                         isError = true
@@ -527,9 +558,10 @@ fun DeeprItem(
             modifier
                 .fillMaxWidth()
                 .padding(vertical = 4.dp)
-                .combinedClickable(onClick = { onItemClick?.invoke(account) }, onLongClick = {
-                    onItemLongClick?.invoke(account)
-                }),
+                .combinedClickable(
+                    onClick = { onItemClick?.invoke(account) },
+                    onLongClick = { onItemLongClick?.invoke(account) },
+                ),
     ) {
         Row(
             modifier =
diff --git a/app/src/main/java/com/yogeshpaliyal/deepr/ui/screens/Settings.kt b/app/src/main/java/com/yogeshpaliyal/deepr/ui/screens/Settings.kt
@@ -34,7 +34,6 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
-import androidx.lifecycle.viewmodel.compose.viewModel
 import com.google.accompanist.permissions.ExperimentalPermissionsApi
 import com.google.accompanist.permissions.isGranted
 import com.google.accompanist.permissions.rememberPermissionState
diff --git a/app/src/main/java/com/yogeshpaliyal/deepr/util/QRScanner.kt b/app/src/main/java/com/yogeshpaliyal/deepr/util/QRScanner.kt
@@ -0,0 +1,20 @@
+package com.yogeshpaliyal.deepr.util
+
+import android.content.Context
+import android.content.Intent
+import androidx.activity.result.contract.ActivityResultContract
+import com.journeyapps.barcodescanner.CaptureActivity
+import com.journeyapps.barcodescanner.ScanIntentResult
+import com.journeyapps.barcodescanner.ScanOptions
+
+class QRScanner : ActivityResultContract<ScanOptions, ScanIntentResult>() {
+    override fun createIntent(
+        context: Context,
+        input: ScanOptions,
+    ): Intent = Intent(context, CaptureActivity::class.java)
+
+    override fun parseResult(
+        resultCode: Int,
+        intent: Intent?,
+    ): ScanIntentResult = ScanIntentResult.parseActivityResult(resultCode, intent)
+}
diff --git a/app/src/main/java/com/yogeshpaliyal/deepr/util/Utils.kt b/app/src/main/java/com/yogeshpaliyal/deepr/util/Utils.kt
@@ -25,9 +25,9 @@ fun openDeeplink(
 fun isValidDeeplink(link: String): Boolean {
     if (link.isBlank()) return false
     return try {
-        link.toUri()
-        return true
-    } catch (e: Exception) {
+        val uri = link.toUri()
+        uri.scheme != null && uri.scheme!!.isNotBlank()
+    } catch (_: Exception) {
         false
     }
 }
diff --git a/app/src/main/java/com/yogeshpaliyal/deepr/viewmodel/AccountViewModel.kt b/app/src/main/java/com/yogeshpaliyal/deepr/viewmodel/AccountViewModel.kt
@@ -9,7 +9,6 @@ import com.yogeshpaliyal.deepr.Deepr
 import com.yogeshpaliyal.deepr.DeeprQueries
 import com.yogeshpaliyal.deepr.backup.ExportRepository
 import com.yogeshpaliyal.deepr.backup.ImportRepository
-import com.yogeshpaliyal.deepr.backup.ImportResult
 import com.yogeshpaliyal.deepr.preference.AppPreferenceDataStore
 import com.yogeshpaliyal.deepr.util.RequestResult
 import kotlinx.coroutines.ExperimentalCoroutinesApi
@@ -119,7 +118,7 @@ class AccountViewModel(
         viewModelScope.launch {
             val result = exportRepository.exportToCsv()
             when (result) {
-                is RequestResult.Success<String> -> {
+                is RequestResult.Success -> {
                     exportResultChannel.send("Export completed: ${result.data}")
                 }
 
@@ -136,7 +135,7 @@ class AccountViewModel(
             val result = importRepository.importFromCsv(uri)
 
             when (result) {
-                is RequestResult.Success<ImportResult> -> {
+                is RequestResult.Success -> {
                     importResultChannel.send(
                         "Import complete! Added: ${result.data.importedCount}, Skipped (duplicates): ${result.data.skippedCount}",
                     )
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
@@ -20,6 +20,7 @@ lifecycleViewmodelNav3 = "1.0.0-alpha01"
 dataStore = "1.1.7"
 accompanist = "0.34.0"
 opencsv = "4.6"
+zxing = "4.3.0"
 
 [libraries]
 android-driver = { module = "app.cash.sqldelight:android-driver", version.ref = "androidDriver" }
@@ -53,6 +54,7 @@ accompanist = { group = "com.google.accompanist", name = "accompanist-permission
 androidx-navigation3-runtime = { module = "androidx.navigation3:navigation3-runtime", version.ref = "nav3Core" }
 androidx-navigation3-ui = { module = "androidx.navigation3:navigation3-ui", version.ref = "nav3Core" }
 androidx-lifecycle-viewmodel-navigation3 = { module = "androidx.lifecycle:lifecycle-viewmodel-navigation3", version.ref = "lifecycleViewmodelNav3" }
+zxing-scanner = { group = "com.journeyapps", name = "zxing-android-embedded", version.ref = "zxing" }
 
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }

Original file line number	Diff line number	Diff line change
`@@ -25,9 +25,9 @@ fun openDeeplink(`
`25`	`25`	`fun isValidDeeplink(link: String): Boolean {`
`26`	`26`	`if (link.isBlank()) return false`
`27`	`27`	`return try {`
`28`		`- link.toUri()`
`29`		`- return true`
`30`		`- } catch (e: Exception) {`
	`28`	`+ val uri = link.toUri()`
	`29`	`+ uri.scheme != null && uri.scheme!!.isNotBlank()`
	`30`	`+ } catch (_: Exception) {`
`31`	`31`	`false`
`32`	`32`	`}`
`33`	`33`	`}`