Handle file saving asynchronously with coroutines

New dependencies:

Coroutines: 1.7.3
Lifecycle Runtime Ktx: 2.8.1

app/build.gradle.kts

@@ -82,6 +82,7 @@ android {
 }
 
 dependencies {
+    implementation(libs.kotlinx.coroutines)
     implementation(libs.bundles.androidx.ktx)
     implementation(libs.androidx.core.splashscreen)
 

app/src/main/kotlin/com/mateusrodcosta/apps/share2storage/DetailsActivity.kt

@@ -21,6 +21,8 @@ import android.content.Intent
 import android.net.Uri
 import android.os.Build
 import android.os.Bundle
+import android.os.Handler
+import android.os.Looper
 import android.util.Log
 import android.widget.Toast
 import androidx.activity.ComponentActivity
@@ -29,13 +31,20 @@ import androidx.activity.result.ActivityResultLauncher
 import androidx.compose.material3.windowsizeclass.ExperimentalMaterial3WindowSizeClassApi
 import androidx.compose.material3.windowsizeclass.calculateWindowSizeClass
 import androidx.core.view.WindowCompat
+import androidx.lifecycle.lifecycleScope
 import androidx.preference.PreferenceManager
 import com.mateusrodcosta.apps.share2storage.model.UriData
 import com.mateusrodcosta.apps.share2storage.screens.DetailsScreen
 import com.mateusrodcosta.apps.share2storage.utils.CreateDocumentWithInitialUri
 import com.mateusrodcosta.apps.share2storage.utils.SharedPreferenceKeys
 import com.mateusrodcosta.apps.share2storage.utils.getUriData
 import com.mateusrodcosta.apps.share2storage.utils.saveFile
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import kotlin.time.DurationUnit
+import kotlin.time.toDuration
 
 class DetailsActivity : ComponentActivity() {
     private lateinit var createFile: ActivityResultLauncher<String>
@@ -111,18 +120,33 @@ class DetailsActivity : ComponentActivity() {
             createFile = registerForActivityResult(
                 CreateDocumentWithInitialUri(uriData?.type ?: "*/*", defaultSaveLocation)
             ) { uri ->
-                if (uri == null || fileUri == null) return@registerForActivityResult
-                val isSuccess = saveFile(baseContext, uri, fileUri)
+                lifecycleScope.launch {
+                    handleFileSave(uri, fileUri)
+                }
+            }
+        }
+    }
+
+    private suspend fun handleFileSave(uri: Uri?, fileUri: Uri?) {
+        if (uri == null || fileUri == null) return
+        return withContext(Dispatchers.IO) {
+            val isSuccess = saveFile(baseContext, uri, fileUri)
+
+            Handler(Looper.getMainLooper()).post {
                 Toast.makeText(
                     baseContext, if (isSuccess) {
                         R.string.toast_saved_file_success
                     } else {
                         R.string.toast_saved_file_failure
                     }, Toast.LENGTH_LONG
                 ).show()
-                if (skipFileDetails) finish()
             }
 
+            if (skipFileDetails) {
+                delay(1.toDuration(DurationUnit.SECONDS))
+                finish()
+            }
         }
+
     }
 }

app/src/main/kotlin/com/mateusrodcosta/apps/share2storage/utils/Utils.kt

@@ -116,10 +116,10 @@ fun saveFile(
         }
         val output = context.contentResolver.openOutputStream(targeturi)
 
-        val BUFFER_SIZE = 1024
+        val bufferSize = 1024
         bis = BufferedInputStream(input)
         bos = BufferedOutputStream(output)
-        val buf = ByteArray(BUFFER_SIZE)
+        val buf = ByteArray(bufferSize)
         bis.read(buf)
         do {
             bos.write(buf)

gradle/libs.versions.toml

@@ -4,17 +4,21 @@ kotlin = "1.9.24"
 androidxComposeCompiler = "1.5.14"
 ktx = "1.13.1"
 preference-ktx = "1.2.1"
+lifecycle-runtime-ktx = "2.8.1"
 splashscreen = "1.0.1"
 composeBom = "2024.05.00"
 activityCompose = "1.9.0"
 navigationCompose = "2.7.7"
 junit = "4.13.2"
 androidxTestRunner = "1.5.2"
 androidxTestRules = "1.5.0"
+coroutines = "1.7.3"
 
 [libraries]
+kotlinx-coroutines = { group = "org.jetbrains.kotlinx", name = "kotlinx-coroutines-android", version.ref = "coroutines" }
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "ktx" }
 androidx-preference-ktx = { group = "androidx.preference", name = "preference-ktx", version.ref = "preference-ktx" }
+androidx-lifecycle-runtime-ktx = { group = "androidx.lifecycle", name = "lifecycle-runtime-ktx", version.ref = "lifecycle-runtime-ktx" }
 androidx-core-splashscreen = { group = "androidx.core", name = "core-splashscreen", version.ref = "splashscreen" }
 compose-bom = { group = "androidx.compose", name = "compose-bom", version.ref = "composeBom" }
 compose-material3 = { group = "androidx.compose.material3", name = "material3" }
@@ -31,7 +35,7 @@ androidx-test-runner = { group = "androidx.test", name="runner", version.ref = "
 androidx-test-rules = { group = "androidx.test", name="rules", version.ref = "androidxTestRules" }
 
 [bundles]
-androidx-ktx = ["androidx.core.ktx", "androidx.preference.ktx"]
+androidx-ktx = ["androidx.core.ktx", "androidx.preference.ktx", "androidx.lifecycle.runtime.ktx"]
 compose = ["compose.material3", "compose.material3.window.size.classes", "compose.ui.tooling.preview", "compose.ui.material.icons.extended"]
 compose-debug = ["compose.ui.tooling", "compose.ui.test.manifest"]
 androidx-compose-integration = ["androidx.activity.compose", "androidx.navigation.compose"]