Fix #1 - Issuance and Verification

app/.gitignore

@@ -0,0 +1 @@
+/build

app/build.gradle.kts

@@ -47,12 +47,18 @@ android {
             excludes += "/META-INF/{AL2.0,LGPL2.1}"
         }
     }
+
+    buildFeatures {
+        dataBinding = true
+    }
 }
 
 dependencies {
 
     implementation("androidx.core:core-ktx:1.12.0")
     implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.7.0")
+    implementation("androidx.appcompat:appcompat:1.4.2")
+    implementation("com.google.android.material:material:1.6.1")
     implementation("androidx.activity:activity-compose:1.7.0")
     implementation(platform("androidx.compose:compose-bom:2023.08.00"))
     implementation("androidx.compose.ui:ui")
@@ -67,4 +73,14 @@ dependencies {
     androidTestImplementation("androidx.compose.ui:ui-test-junit4")
     debugImplementation("androidx.compose.ui:ui-tooling")
     debugImplementation("androidx.compose.ui:ui-test-manifest")
+
+    implementation("com.nimbusds:nimbus-jose-jwt:9.21")
+
+    implementation("com.github.L3-iGrant:qrcode_scanner_android:3.1.1")
+    implementation("com.google.zxing:core:3.4.1")
+    implementation("com.squareup.retrofit2:converter-gson:2.9.0")
+
+    implementation("androidx.lifecycle:lifecycle-viewmodel-ktx:2.3.1")
+    implementation("androidx.lifecycle:lifecycle-livedata-ktx:2.3.1")
+
 }

app/src/main/AndroidManifest.xml

@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
-
+    <uses-permission android:name="android.permission.CAMERA" />
+    <uses-permission android:name="android.permission.INTERNET" />
     <application
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"
@@ -11,12 +12,13 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.EudiWalletOIDCAndroid"
-        tools:targetApi="31">
+        tools:targetApi="31"
+        android:usesCleartextTraffic="true">
         <activity
             android:name=".MainActivity"
             android:exported="true"
             android:label="@string/app_name"
-            android:theme="@style/Theme.EudiWalletOIDCAndroid">
+            android:theme="@style/Theme.AppCompat.Light">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 

app/src/main/java/com/ewc/eudiwalletoidcandroid/MainActivity.kt

@@ -1,47 +1,96 @@
 package com.ewc.eudiwalletoidcandroid
 
+import android.app.Activity
+import android.content.Intent
 import android.os.Bundle
-import androidx.activity.ComponentActivity
-import androidx.activity.compose.setContent
-import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.Surface
-import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.tooling.preview.Preview
-import com.ewc.eudi_wallet_oidc_android.EudiWallet
-import com.ewc.eudiwalletoidcandroid.ui.theme.EudiWalletOIDCAndroidTheme
-
-class MainActivity : ComponentActivity() {
+import android.view.View
+import androidx.appcompat.app.AppCompatActivity
+import androidx.databinding.DataBindingUtil
+import androidx.lifecycle.ViewModelProvider
+import com.ewc.eudi_wallet_oidc_android.services.did.DIDService
+import com.ewc.eudiwalletoidcandroid.databinding.ActivityMainBinding
+import io.igrant.qrcode_scanner_android.qrcode.utils.QRScanner
+
+class MainActivity : AppCompatActivity() {
+
+    companion object {
+        const val REQUEST_CODE_SCAN_ISSUE = 101
+        const val REQUEST_CODE_SCAN_VERIFY = 102
+    }
+
+    private var viewModel: MainViewModel? = null
+    private lateinit var binding: ActivityMainBinding
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        setContent {
-            EudiWalletOIDCAndroidTheme {
-                // A surface container using the 'background' color from the theme
-                Surface(
-                    modifier = Modifier.fillMaxSize(),
-                    color = MaterialTheme.colorScheme.background
-                ) {
-                    Greeting("Android")
-                }
+        binding =
+            DataBindingUtil.setContentView(this, R.layout.activity_main)
+
+        viewModel = ViewModelProvider(this)[MainViewModel::class.java]
+        binding.viewModel = viewModel
+        binding.lifecycleOwner = this
+        viewModel?.subJwk = DIDService().createJWK()
+        viewModel?.did = DIDService().createDID(viewModel?.subJwk!!)
+
+        initClicks()
+    }
+
+    private fun initClicks() {
+        binding.addCredential.setOnClickListener {
+            binding.tvCredential.text = ""
+            QRScanner().withLocale("en").start(
+                this,
+                REQUEST_CODE_SCAN_ISSUE
+            )
+        }
+
+        binding.verifyCredential.setOnClickListener {
+            QRScanner().withLocale("en").start(
+                this,
+                REQUEST_CODE_SCAN_VERIFY
+            )
+        }
+
+        binding.verifyPin.setOnClickListener {
+            if (binding.etPin.text.length == 4) {
+                viewModel?.verifyPin(binding.etPin.text.toString())
+
+                binding.etPin.visibility = View.GONE
+                binding.verifyPin.visibility = View.GONE
+                binding.etPin.text.clear()
             }
         }
     }
-}
-
-@Composable
-fun Greeting(name: String, modifier: Modifier = Modifier) {
-    Text(
-        text = "Hello ${EudiWallet.sayHello()}!",
-        modifier = modifier
-    )
-}
-
-@Preview(showBackground = true)
-@Composable
-fun GreetingPreview() {
-    EudiWalletOIDCAndroidTheme {
-        Greeting("Android")
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        super.onActivityResult(requestCode, resultCode, data)
+        if (resultCode == Activity.RESULT_OK) {
+            when (requestCode) {
+                REQUEST_CODE_SCAN_ISSUE -> {
+                    if (data == null) return
+
+                    val url = try {
+                        data.getStringExtra("com.blikoon.qrcodescanner.got_qr_scan_relult")
+                    } catch (e: Exception) {
+                        ""
+                    }
+
+                    viewModel?.issueCredential(url ?: "")
+                }
+
+                REQUEST_CODE_SCAN_VERIFY -> {
+                    if (data == null) return
+
+                    val url = try {
+                        data.getStringExtra("com.blikoon.qrcodescanner.got_qr_scan_relult")
+                    } catch (e: Exception) {
+                        ""
+                    }
+
+                    viewModel?.verifyCredential(url ?: "")
+                }
+            }
+        }
     }
+
 }