[2656] : Implemented Biometric Authentication in Compose Multi Platform

androidApp/build.gradle

@@ -0,0 +1,72 @@
+plugins{
+    alias(libs.plugins.androidApplication)
+    alias(libs.plugins.kotlinAndroid)
+    alias(libs.plugins.compose.compiler)
+}
+
+android {
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_17
+        targetCompatibility JavaVersion.VERSION_17
+    }
+    signingConfigs {
+        release {
+            storeFile file("../default_key_store.jks")
+            storePassword "mifos1234"
+            keyAlias "mifos-passcode"
+            keyPassword "mifos1234"
+        }
+    }
+    compileSdk 35
+    defaultConfig {
+        namespace "com.mifos.passcode"
+        minSdk 24
+        targetSdk 35
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            signingConfig signingConfigs.release
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+    buildFeatures {
+        compose true
+    }
+    composeOptions {
+        kotlinCompilerExtensionVersion = "1.5.2"
+    }
+    kotlinOptions {
+        jvmTarget = '17'
+    }
+}
+
+dependencies {
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
+    implementation(project(":compose"))
+    implementation project(':shared')
+    implementation(libs.compose.ui)
+    implementation(libs.compose.ui.tooling.preview)
+    implementation(libs.compose.material3)
+    implementation(libs.androidx.activity.compose)
+    implementation libs.androidx.appcompat
+    androidTestImplementation libs.testng
+    androidTestImplementation libs.androidx.monitor
+    androidTestImplementation libs.runner
+    androidTestImplementation libs.junit
+    androidTestImplementation libs.runner
+    androidTestImplementation libs.androidx.monitor
+    debugImplementation(libs.compose.ui.tooling)
+    implementation (libs.androidx.navigation.compose)
+    implementation (libs.androidx.biometric)
+}
+repositories {
+    mavenCentral()
+}
+
+configurations.implementation {
+    exclude group: 'org.jetbrains.kotlin', module: 'kotlin-stdlib-jdk8'
+}

app/src/androidTest/java/com/mifos/passcode/ExampleInstrumentedTest.java → androidApp/src/androidTest/java/com/mifos/passcode/ExampleInstrumentedTest.java

@@ -1,12 +1,9 @@
 package com.mifos.passcode;
 
 import static org.junit.Assert.assertEquals;
-
 import android.content.Context;
-
 import org.junit.Test;
 import org.junit.runner.RunWith;
-
 import androidx.test.InstrumentationRegistry;
 import androidx.test.runner.AndroidJUnit4;
 
@@ -24,4 +21,4 @@ public void useAppContext() {
 
         assertEquals("com.mifos.passcode", appContext.getPackageName());
     }
-}
+}

app/src/main/AndroidManifest.xml → androidApp/src/main/AndroidManifest.xml

@@ -7,9 +7,8 @@
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
-        android:name=".MifosApplication"
         android:theme="@style/AppTheme" >
-        <activity android:name=".PassCodeActivity"
+        <activity android:name=".MainActivity"
             android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>

androidApp/src/main/java/com/mifos/passcode/MainActivity.kt

@@ -0,0 +1,81 @@
+package com.mifos.passcode
+
+import android.content.Intent
+import android.os.Bundle
+import androidx.activity.compose.setContent
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.fragment.app.FragmentActivity
+import com.mifos.shared.BiometricUtilAndroidImpl
+import com.mifos.shared.CipherUtilAndroidImpl
+import com.mifos.shared.utility.PreferenceManager
+import com.mifos.shared.PasscodeRepository
+import com.mifos.shared.PasscodeRepositoryImpl
+import com.mifos.shared.viewmodels.BiometricAuthorizationViewModel
+import androidx.lifecycle.viewmodel.compose.viewModel
+import com.mifos.shared.component.PasscodeScreen
+
+
+class MainActivity : FragmentActivity() {
+
+    private val bioMetricUtil by lazy {
+        BiometricUtilAndroidImpl(this, CipherUtilAndroidImpl())
+    }
+    private lateinit var passcodeRepository: PasscodeRepository
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        bioMetricUtil.preparePrompt(
+            title= getString(R.string.biometric_auth_title),
+            subtitle = "",
+            description = getString(R.string.biometric_auth_description)
+        )
+        passcodeRepository = PasscodeRepositoryImpl(PreferenceManager())
+
+        setContent {
+            PasscodeScreen(
+                onForgotButton = { onPasscodeForgot() },
+                onSkipButton = { onPasscodeSkip() },
+                onPasscodeConfirm = { onPassCodeReceive(it) },
+                onPasscodeRejected = { onPasscodeReject() },
+                enableBiometric = true,
+                bioMetricUtil = bioMetricUtil,
+                onBiometricAuthSuccess = { launchNextActivity() },
+            )
+        }
+    }
+
+    private fun onPassCodeReceive(passcode: String) {
+        if (passcodeRepository.getSavedPasscode() == passcode) {
+            launchNextActivity()
+        }
+    }
+
+    private fun onPasscodeReject() {}
+
+    private fun onPasscodeForgot() {
+        // Add logic to redirect user to login page
+    }
+
+    private fun onPasscodeSkip() {
+        finish()
+    }
+
+    private fun launchNextActivity() {
+        startActivity(Intent(this, LoginActivity::class.java))
+        finish()
+    }
+}
+@Composable
+fun GreetingView(text: String) {
+    Text(text = text)
+}
+
+//@Preview
+//@Composable
+//fun DefaultPreview() {
+//    MyApplicationTheme {
+//        GreetingView("Hello, Android!")
+//    }
+//}

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

@@ -0,0 +1,6 @@
+<resources>
+    <string name="app_name">mobile_passcode</string>
+    <string name="fingerprint_dialog_title">Login</string>
+    <string name="biometric_auth_title">Unlock Mifos</string>
+    <string name="biometric_auth_description">Confirm your screen lock pattern, PIN, password, or fingerprint to unlock</string>
+</resources>