Add a background task

Author: ospfranco

app/build.gradle.kts

@@ -75,6 +75,8 @@ dependencies {
     implementation(project(":OpacityCore"))
     implementation(libs.androidx.espresso.intents)
     implementation(libs.kotlinx.serialization.json)
+    implementation(libs.androidx.work.runtime.ktx)
+    implementation(libs.work.runtime.ktx)
     testImplementation(libs.junit)
     androidTestImplementation(libs.androidx.junit)
     androidTestImplementation(libs.androidx.espresso.core)

app/src/main/java/com/opacitylabs/opacitycoreexample/GithubProfileWorker.kt

@@ -0,0 +1,36 @@
+package com.opacity.example
+
+import android.content.Context
+import android.util.Log
+import androidx.work.CoroutineWorker
+import androidx.work.WorkerParameters
+import com.opacitylabs.opacitycore.OpacityCore
+
+class GitHubProfileWorker(
+    context: Context,
+    params: WorkerParameters
+) : CoroutineWorker(context, params) {
+
+    override suspend fun doWork(): Result {
+        val startTime = System.currentTimeMillis()
+        Log.d(TAG, "🚀 Background task started at $startTime")
+
+        return try {
+            OpacityCore.get("github:profile", null)
+            
+            val endTime = System.currentTimeMillis()
+            val duration = (endTime - startTime) / 1000.0
+            Log.d(TAG, "✅ SUCCESS at $endTime: GitHub profile fetched")
+            Log.d(TAG, "⏱️ Duration: $duration seconds")
+            
+            Result.success()
+        } catch (e: Exception) {
+            Log.e(TAG, "❌ FAILURE at ${System.currentTimeMillis()}: Failed to fetch GitHub profile", e)
+            Result.retry()
+        }
+    }
+
+    companion object {
+        private const val TAG = "GitHubProfileWorker"
+    }
+}

app/src/main/java/com/opacitylabs/opacitycoreexample/MainActivity.kt

@@ -21,6 +21,11 @@ import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
 import androidx.lifecycle.lifecycleScope
+import androidx.work.Constraints
+import androidx.work.ExistingPeriodicWorkPolicy
+import androidx.work.NetworkType
+import androidx.work.PeriodicWorkRequestBuilder
+import androidx.work.WorkManager
 import com.opacitylabs.opacitycore.JsonConverter
 import com.opacitylabs.opacitycore.OpacityCore
 import com.opacitylabs.opacitycore.OpacityError
@@ -29,6 +34,8 @@ import kotlinx.coroutines.launch
 import kotlinx.serialization.json.Json
 import java.io.BufferedReader
 import java.io.InputStreamReader
+import java.util.concurrent.TimeUnit
+import com.opacity.example.GitHubProfileWorker
 
 class MainActivity : ComponentActivity() {
 
@@ -235,5 +242,24 @@ class MainActivity : ComponentActivity() {
             }
         }
 
+        scheduleGitHubProfileFetch()
+    }
+
+    private fun scheduleGitHubProfileFetch() {
+        val constraints = Constraints.Builder()
+            .setRequiredNetworkType(NetworkType.CONNECTED)
+            .build()
+
+        val workRequest = PeriodicWorkRequestBuilder<GitHubProfileWorker>(
+            15, TimeUnit.MINUTES
+        )
+            .setConstraints(constraints)
+            .build()
+
+        WorkManager.getInstance(applicationContext).enqueueUniquePeriodicWork(
+            "GitHubProfileFetch",
+            ExistingPeriodicWorkPolicy.KEEP,
+            workRequest
+        )
     }
 }

gradle/libs.versions.toml

@@ -14,10 +14,13 @@ appcompat = "1.7.0"
 material = "1.12.0"
 securityCrypto = "1.1.0-alpha06"
 espressoIntents = "3.6.1"
+workManager = "2.9.1"
+workRuntimeKtx = "2.10.5"
 
 [libraries]
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
 androidx-security-crypto = { module = "androidx.security:security-crypto", version.ref = "securityCrypto" }
+androidx-work-runtime-ktx = { group = "androidx.work", name = "work-runtime-ktx", version.ref = "workManager" }
 geckoview = { module = "org.mozilla.geckoview:geckoview", version.ref = "geckoview" }
 junit = { group = "junit", name = "junit", version.ref = "junit" }
 androidx-junit = { group = "androidx.test.ext", name = "junit", version.ref = "junitVersion" }
@@ -37,6 +40,7 @@ material = { group = "com.google.android.material", name = "material", version.r
 kotlinx-serialization-json = { group = "org.jetbrains.kotlinx", name = "kotlinx-serialization-json", version = "1.6.0" }
 androidx-espresso-intents = { group = "androidx.test.espresso", name = "espresso-intents", version.ref = "espressoIntents" }
 compose-compiler = { module = "androidx.compose.compiler:compiler", version.ref = "compose-compiler" }
+work-runtime-ktx = { group = "androidx.work", name = "work-runtime-ktx", version.ref = "workRuntimeKtx" }
 
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }