Add QrCode scanner

app/build.gradle

@@ -8,7 +8,7 @@ android {
 
     defaultConfig {
         applicationId "org.communiquons.dccaggregator"
-        minSdk 21
+        minSdk 24
         targetSdk 32
         versionCode 1
         versionName "1.0"
@@ -41,6 +41,7 @@ dependencies {
     implementation 'com.google.android.material:material:1.5.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.3'
     implementation 'androidx.preference:preference:1.2.0'
+    implementation 'com.journeyapps:zxing-android-embedded:4.3.0'
     testImplementation 'junit:junit:4.+'
     androidTestImplementation 'androidx.test.ext:junit:1.1.3'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'

app/src/main/AndroidManifest.xml

@@ -1,10 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     package="org.communiquons.dccaggregator">
 
     <application
         android:name=".DCCAggregator"
         android:allowBackup="false"
+        android:hardwareAccelerated="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
@@ -27,8 +29,14 @@
         <!-- Manage certificates -->
         <activity
             android:name=".activities.CertsManager"
-            android:label="@string/activity_certsmanagers"
-            android:exported="false" />
+            android:exported="false"
+            android:label="@string/activity_certsmanagers" />
+
+        <!-- Fix Qr scanner orientation -->
+        <activity
+            android:name="com.journeyapps.barcodescanner.CaptureActivity"
+            android:screenOrientation="fullSensor"
+            tools:replace="screenOrientation" />
     </application>
 
 </manifest>

app/src/main/java/org/communiquons/dccaggregator/activities/CertsManager.kt

@@ -4,12 +4,17 @@ import android.os.Bundle
 import android.util.Log
 import android.view.MenuItem
 import androidx.appcompat.app.AppCompatActivity
+import com.journeyapps.barcodescanner.ScanContract
+import com.journeyapps.barcodescanner.ScanOptions
+import org.communiquons.dccaggregator.R
 import org.communiquons.dccaggregator.databinding.ActivityCertsManagerBinding
 
 class CertsManager : AppCompatActivity() {
 
     private lateinit var binding: ActivityCertsManagerBinding
 
+    private val TAG = CertsManager::class.java.canonicalName
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         binding = ActivityCertsManagerBinding.inflate(layoutInflater)
@@ -18,7 +23,7 @@ class CertsManager : AppCompatActivity() {
         supportActionBar?.setDisplayHomeAsUpEnabled(true)
 
         binding.scanCertButton.setOnClickListener {
-            Log.d("d", "FAb clicked!")
+            addNewCertificate()
         }
     }
 
@@ -30,4 +35,19 @@ class CertsManager : AppCompatActivity() {
 
         return super.onOptionsItemSelected(item)
     }
+
+    private val barcodeLauncher = registerForActivityResult(ScanContract()) {
+        if (it.contents == null)
+            return@registerForActivityResult
+
+        Log.v(TAG, it.contents)
+    }
+
+    private fun addNewCertificate() {
+        barcodeLauncher.launch(ScanOptions().apply {
+            setOrientationLocked(true)
+            setDesiredBarcodeFormats(ScanOptions.QR_CODE)
+            setPrompt(resources.getString(R.string.scan_qr_prompt))
+        })
+    }
 }

app/src/main/res/values/strings.xml

@@ -2,4 +2,5 @@
     <string name="app_name">DCCAggregator</string>
     <string name="activity_certsmanagers">Input certificates</string>
     <string name="add_certificate">Add a new certificate</string>
+    <string name="scan_qr_prompt">Please present the QrCode of the certificate you want to add</string>
 </resources>