Menyelesaikan plugin, siap ucob

android/.gitignore

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+/build
+/.tauri

android/build.gradle.kts

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+plugins {
+    id("com.android.library")
+    id("org.jetbrains.kotlin.android")
+}
+
+android {
+    namespace = "com.plugin.auth"
+    compileSdk = 36
+
+    defaultConfig {
+        minSdk = 21
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles("consumer-rules.pro")
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+}
+
+dependencies {
+
+    implementation("androidx.core:core-ktx:1.9.0")
+    implementation("androidx.appcompat:appcompat:1.6.0")
+    implementation("com.google.android.material:material:1.7.0")
+    testImplementation("junit:junit:4.13.2")
+    androidTestImplementation("androidx.test.ext:junit:1.1.5")
+    androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
+    implementation(project(":tauri-android"))
+
+    implementation("androidx.credentials:credentials:1.7.0-alpha03")
+    implementation("androidx.credentials:credentials-play-services-auth:1.7.0-alpha03")
+    implementation("com.google.android.libraries.identity.googleid:googleid:<latest version>")
+}

android/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

android/settings.gradle

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+pluginManagement {
+    repositories {
+        mavenCentral()
+        gradlePluginPortal()
+        google()
+    }
+    resolutionStrategy {
+        eachPlugin {
+            switch (requested.id.id) {
+                case "com.android.library":
+                    useVersion("8.0.2")
+                    break
+                case "org.jetbrains.kotlin.android":
+                    useVersion("1.8.20")
+                    break
+            }
+        }
+    }
+}
+
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories {
+        mavenCentral()
+        google()
+
+    }
+}
+
+include ':tauri-android'
+project(':tauri-android').projectDir = new File('./.tauri/tauri-api')

android/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+</manifest>

android/src/main/java/AuthPlugin.kt

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+package com.plugin.auth
+
+import android.app.Activity
+import android.content.Context
+import android.util.Base64
+import androidx.credentials.ClearCredentialStateRequest
+import androidx.credentials.CredentialManager
+import androidx.credentials.CustomCredential
+import androidx.credentials.GetCredentialRequest
+import androidx.credentials.GetCredentialResponse
+import androidx.credentials.exceptions.ClearCredentialException
+import androidx.credentials.exceptions.GetCredentialException
+import androidx.credentials.exceptions.NoCredentialException
+import com.google.android.libraries.identity.googleid.GetGoogleIdOption
+import com.google.android.libraries.identity.googleid.GoogleIdTokenCredential
+import com.google.android.libraries.identity.googleid.GoogleIdTokenParsingException
+import app.tauri.annotation.Command
+import app.tauri.annotation.InvokeArg
+import app.tauri.annotation.TauriPlugin
+import app.tauri.plugin.Invoke
+import app.tauri.plugin.JSObject
+import app.tauri.plugin.Plugin
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import java.security.SecureRandom
+
+
+@InvokeArg
+class KirimArgs {
+    var idKlien: String? = null
+}
+
+@TauriPlugin
+class BluclasPlugin(private val activity: Activity) : Plugin(activity) {
+    private val credentialManager by lazy { CredentialManager.create(activity) }
+    private val scope = CoroutineScope(Dispatchers.Main)
+    private val idKlien: String? = null
+
+    @Command
+    fun masuk(invoke: Invoke) {
+        val args = invoke.parseArgs(KirimArgs::class.java)
+        idKlien = args.idKlien
+        if (idKlien.isNullOrEmpty()) {
+            invoke.reject("ID Klien belum disediakan")
+            return
+        }
+
+        val googleIdOption: GetGoogleIdOption = GetGoogleIdOption.Builder()
+            .setFilterByAuthorizedAccounts(true)
+            .setServerClientId(idKlien)
+            .setNonce(generateSecureRandomNonce())
+            .build()
+
+        val request = GetCredentialRequest.Builder()
+            .addCredentialOption(googleIdOption)
+            .build()
+
+        scope.launch {
+            try {
+                val result = credentialManager.getCredential(
+                    request = request,
+                    context = activity
+                )
+                handleSignInResult(result, invoke)
+            } catch (e: NoCredentialException) {
+                if (args.filterByAuthorizedAccounts) {
+                    signInWithAllAccounts(idKlien, invoke)
+                } else {
+                    invoke.reject("Tidak ada kredensial Google yang tersedia: ${e.message}")
+                }
+            } catch (e: GetCredentialException) {
+                invoke.reject("Gagal masuk: ${e.message}")
+            }
+        }
+    }
+
+    @Command
+    fun keluar(invoke: Invoke) {
+        scope.launch {
+            try {
+                credentialManager.clearCredentialState(ClearCredentialStateRequest())
+                invoke.resolve()
+            } catch (e: ClearCredentialException) {
+                invoke.reject("Sign-out failed: ${e.message}")
+            }
+        }
+    }
+
+    private suspend fun signInWithAllAccounts(serverClientId: String, invoke: Invoke) {
+        val googleIdOption = GetGoogleIdOption.Builder()
+            .setFilterByAuthorizedAccounts(false)
+            .setServerClientId(serverClientId)
+            .setNonce(generateSecureRandomNonce())
+            .build()
+
+        val request = GetCredentialRequest.Builder()
+            .addCredentialOption(googleIdOption)
+            .build()
+
+        try {
+            val result = credentialManager.getCredential(
+                request = request,
+                context = activity
+            )
+            handleSignInResult(result, invoke)
+        } catch (e: GetCredentialException) {
+            invoke.reject("Sign-in failed: ${e.message}")
+        }
+    }
+
+    private fun generateSecureRandomNonce(byteLength: Int = 32): String {
+        val randomBytes = ByteArray(byteLength)
+        SecureRandom().nextBytes(randomBytes)
+        return Base64.encodeToString(randomBytes, Base64.NO_WRAP or Base64.URL_SAFE or Base64.NO_PADDING)
+    }
+
+    private fun handleSignInResult(result: GetCredentialResponse, invoke: Invoke) {
+        val credential = result.credential
+
+        when (credential) {
+            is CustomCredential -> {
+                if (credential.type == GoogleIdTokenCredential.TYPE_GOOGLE_ID_TOKEN_CREDENTIAL) {
+                    try {
+                        val googleIdTokenCredential =
+                            GoogleIdTokenCredential.createFrom(credential.data)
+
+                        // NOTE: do not treat the user as signed in on the client
+                        // alone — send idToken to your backend and verify it there
+                        // before trusting it.
+                        val ret = JSObject()
+                        ret.put("idToken", googleIdTokenCredential.idToken)
+                        ret.put("id", googleIdTokenCredential.id)
+                        ret.put("displayName", googleIdTokenCredential.displayName)
+                        ret.put("givenName", googleIdTokenCredential.givenName)
+                        ret.put("familyName", googleIdTokenCredential.familyName)
+                        ret.put(
+                            "profilePictureUri",
+                            googleIdTokenCredential.profilePictureUri?.toString()
+                        )
+                        ret.put("phoneNumber", googleIdTokenCredential.phoneNumber)
+
+                        invoke.resolve(ret)
+                    } catch (e: GoogleIdTokenParsingException) {
+                        invoke.reject("Invalid Google ID token response: ${e.message}")
+                    }
+                } else {
+                    invoke.reject("Unexpected credential type: ${credential.type}")
+                }
+            }
+
+            else -> {
+                invoke.reject("Unexpected credential type")
+            }
+        }
+    }
+}