feat: Add import/export functionality

app/build.gradle.kts

@@ -22,8 +22,8 @@ android {
         applicationId = "co.adityarajput.fileflow"
         minSdk = 29
         targetSdk = 36
-        versionCode = 10
-        versionName = "1.8.0"
+        versionCode = 11
+        versionName = "1.9.0"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
     }

app/src/main/java/co/adityarajput/fileflow/data/AppContainer.kt

@@ -2,10 +2,12 @@ package co.adityarajput.fileflow.data
 
 import android.content.Context
 import co.adityarajput.fileflow.data.models.Action
+import co.adityarajput.fileflow.data.models.Backup
 import co.adityarajput.fileflow.data.models.Execution
 import co.adityarajput.fileflow.data.models.Rule
 import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.runBlocking
+import kotlinx.serialization.json.Json
 
 class AppContainer(private val context: Context) {
     val repository: Repository by lazy {
@@ -17,6 +19,26 @@ class AppContainer(private val context: Context) {
         )
     }
 
+    suspend fun export() = Json.encodeToString<Backup>(
+        Backup(
+            // INFO: May contain servers but creds can't be decrypted anyway.
+            repository.rules().first(),
+            repository.groups().first(),
+            repository.servers().first().map {
+                it.copy(encryptedPassword = null, encryptedPrivateKey = null)
+            },
+        ),
+    )
+
+    suspend fun import(json: String) {
+        repository.deleteRulesGroupsAndServers()
+        Json.decodeFromString<Backup>(json).let { (rules, groups, servers) ->
+            repository.upsert(*rules.toTypedArray())
+            repository.upsert(*groups.toTypedArray())
+            repository.upsert(*servers.toTypedArray())
+        }
+    }
+
     fun seedDemoData() {
         runBlocking {
             if (repository.rules().first().isEmpty()) {

app/src/main/java/co/adityarajput/fileflow/data/Repository.kt

@@ -63,4 +63,10 @@ class Repository(
     suspend fun delete(group: Group) = groupDao.delete(group)
 
     suspend fun delete(server: Server) = serverDao.delete(server)
+
+    suspend fun deleteRulesGroupsAndServers() {
+        ruleDao.deleteAll()
+        groupDao.deleteAll()
+        serverDao.deleteAll()
+    }
 }

app/src/main/java/co/adityarajput/fileflow/data/daos/GroupDao.kt

@@ -20,4 +20,7 @@ interface GroupDao {
 
     @Delete
     suspend fun delete(group: Group)
+
+    @Query("DELETE FROM `groups`")
+    suspend fun deleteAll()
 }

app/src/main/java/co/adityarajput/fileflow/data/daos/RuleDao.kt

@@ -26,4 +26,7 @@ interface RuleDao {
 
     @Delete
     suspend fun delete(rule: Rule)
+
+    @Query("DELETE FROM rules")
+    suspend fun deleteAll()
 }

app/src/main/java/co/adityarajput/fileflow/data/daos/ServerDao.kt

@@ -17,4 +17,7 @@ interface ServerDao {
 
     @Delete
     suspend fun delete(group: Server)
+
+    @Query("DELETE FROM servers")
+    suspend fun deleteAll()
 }

app/src/main/java/co/adityarajput/fileflow/data/models/Backup.kt

@@ -0,0 +1,10 @@
+package co.adityarajput.fileflow.data.models
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class Backup(
+    val rules: List<Rule>,
+    val groups: List<Group>,
+    val servers: List<Server>,
+)

app/src/main/java/co/adityarajput/fileflow/utils/Files.kt

@@ -40,8 +40,7 @@ sealed class File {
                     if (it.exists()) FSFile(it) else null
                 }!!
             } catch (e2: Exception) {
-                Logger.w("Files", "Error while creating SAFFile from path: $path", e1)
-                Logger.w("Files", "Error while creating FSFile from path: $path", e2)
+                Logger.w("Files", "Error while creating File from path: $path", e1, e2)
             }
 
             return null

app/src/main/java/co/adityarajput/fileflow/utils/Logging.kt

@@ -20,16 +20,17 @@ object Logger {
         if (logs.size >= Constants.LOG_SIZE) logs.removeFirst()
         logs.addLast("[${System.currentTimeMillis()}][$tag][INFO] $msg")
 
-        ACRA.errorReporter.putCustomData("logs", logs.joinToString("\n"))
+        ACRA.errorReporter.putCustomData("logs", logs.toList().joinToString("\n"))
     }
 
-    fun w(tag: String, msg: String, tr: Throwable? = null) {
+    fun w(tag: String, msg: String, tr: Throwable? = null, tr2: Throwable? = null) {
         Log.w(tag, msg, tr)
+        Log.w(tag, msg, tr2)
 
         if (logs.size >= Constants.LOG_SIZE) logs.removeFirst()
         logs.addLast("[${System.currentTimeMillis()}][$tag][WARN] $msg")
 
-        ACRA.errorReporter.putCustomData("logs", logs.joinToString("\n"))
+        ACRA.errorReporter.putCustomData("logs", logs.toList().joinToString("\n"))
     }
 
     fun e(tag: String, msg: String, tr: Throwable? = null) {
@@ -38,6 +39,6 @@ object Logger {
         if (logs.size >= Constants.LOG_SIZE) logs.removeFirst()
         logs.addLast("[${System.currentTimeMillis()}][$tag][ERROR] $msg")
 
-        ACRA.errorReporter.putCustomData("logs", logs.joinToString("\n"))
+        ACRA.errorReporter.putCustomData("logs", logs.toList().joinToString("\n"))
     }
 }

app/src/main/java/co/adityarajput/fileflow/views/screens/SettingsScreen.kt

@@ -5,6 +5,8 @@ import android.os.Build
 import android.os.Handler
 import android.os.Looper
 import android.widget.Toast
+import androidx.activity.compose.rememberLauncherForActivityResult
+import androidx.activity.result.contract.ActivityResultContracts
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.rememberScrollState
@@ -22,6 +24,7 @@ import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.font.FontWeight
 import co.adityarajput.fileflow.BuildConfig
 import co.adityarajput.fileflow.R
+import co.adityarajput.fileflow.data.AppContainer
 import co.adityarajput.fileflow.services.Preferences
 import co.adityarajput.fileflow.utils.Logger
 import co.adityarajput.fileflow.utils.Permission
@@ -31,6 +34,9 @@ import co.adityarajput.fileflow.viewmodels.AppearanceViewModel
 import co.adityarajput.fileflow.views.Brightness
 import co.adityarajput.fileflow.views.components.AppBar
 import kotlinx.coroutines.launch
+import java.time.Instant
+import java.time.ZoneId
+import java.time.format.DateTimeFormatter
 
 private val permissions = listOf(
     Permission.UNRESTRICTED_BACKGROUND_USAGE,
@@ -236,6 +242,96 @@ fun SettingsScreen(
                         }
                     }
                 }
+                Card(
+                    Modifier
+                        .fillMaxWidth()
+                        .padding(dimensionResource(R.dimen.padding_small)),
+                ) {
+                    Column(
+                        Modifier
+                            .fillMaxWidth()
+                            .padding(
+                                dimensionResource(R.dimen.padding_large),
+                                dimensionResource(R.dimen.padding_medium),
+                            ),
+                        Arrangement.spacedBy(dimensionResource(R.dimen.padding_medium)),
+                    ) {
+                        Text(
+                            stringResource(R.string.settings_section_3),
+                            fontWeight = FontWeight.Medium,
+                        )
+                        val importSuccess = stringResource(R.string.import_success)
+                        val importLauncher = rememberLauncherForActivityResult(
+                            ActivityResultContracts.OpenDocument(),
+                        ) { uri ->
+                            scope.launch {
+                                uri
+                                    ?.let { context.contentResolver.openInputStream(it) }
+                                    ?.use {
+                                        AppContainer(context).import(it.bufferedReader().readText())
+                                        goBack()
+                                        Toast
+                                            .makeText(context, importSuccess, Toast.LENGTH_SHORT)
+                                            .show()
+                                    }
+                            }
+                        }
+                        Column(
+                            Modifier
+                                .fillMaxWidth()
+                                .clickable { importLauncher.launch(arrayOf("application/json")) },
+                        ) {
+                            Text(
+                                stringResource(R.string.import_backup),
+                                style = MaterialTheme.typography.titleSmall,
+                            )
+                            Text(
+                                stringResource(R.string.import_warning),
+                                style = MaterialTheme.typography.bodySmall,
+                            )
+                        }
+                        val exportSuccess = stringResource(R.string.export_success)
+                        val appNameAndVersion =
+                            "${stringResource(R.string.app_name)}_${BuildConfig.VERSION_NAME}"
+                        val exportLauncher = rememberLauncherForActivityResult(
+                            ActivityResultContracts.CreateDocument("application/json"),
+                        ) { uri ->
+                            scope.launch {
+                                uri
+                                    ?.let { context.contentResolver.openOutputStream(it) }
+                                    ?.use {
+                                        it.write(AppContainer(context).export().toByteArray())
+                                        Toast
+                                            .makeText(context, exportSuccess, Toast.LENGTH_SHORT)
+                                            .show()
+                                    }
+                            }
+                        }
+                        Column(
+                            Modifier
+                                .fillMaxWidth()
+                                .clickable {
+                                    exportLauncher.launch(
+                                        appNameAndVersion + "_${
+                                            Instant.now().atZone(ZoneId.systemDefault())
+                                                .toLocalDateTime().format(
+                                                    DateTimeFormatter.ofPattern("yyyyMMdd_HHmmss"),
+                                                )
+                                        }.json",
+                                    )
+                                },
+                        ) {
+                            Text(
+                                stringResource(R.string.export_backup),
+                                style = MaterialTheme.typography.titleSmall,
+                            )
+                            Text(
+                                stringResource(R.string.export_explanation),
+                                style = MaterialTheme.typography.bodySmall,
+                            )
+                        }
+                    }
+                }
                 Card(
                     Modifier
                         .fillMaxWidth()

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

@@ -121,6 +121,13 @@
     <string name="light">Light</string>
     <string name="system">System</string>
     <string name="dark">Dark</string>
+    <string name="settings_section_3">Data Transfer</string>
+    <string name="import_backup">Import backup</string>
+    <string name="import_warning">Overwrites your current rules and groups</string>
+    <string name="import_success">Data imported successfully</string>
+    <string name="export_backup">Export backup</string>
+    <string name="export_explanation">Generates a JSON export of your rules and groups</string>
+    <string name="export_success">Data exported successfully</string>
     <string name="manage_groups">Manage groups</string>
     <string name="servers">Servers</string>
     <string name="manage_servers">Manage servers</string>

gradle/libs.versions.toml

@@ -1,7 +1,7 @@
 [versions]
-aboutlibraries = "14.0.1"
+aboutlibraries = "14.2.1"
 agp = "9.1.1"
-kotlin = "2.3.20"
+kotlin = "2.3.21"
 coreKtx = "1.18.0"
 junit = "4.13.2"
 junitVersion = "1.3.0"
@@ -10,9 +10,9 @@ lifecycleRuntimeKtx = "2.10.0"
 activityCompose = "1.13.0"
 composeBom = "2026.02.00"
 appcompat = "1.7.1"
-navigationCompose = "2.9.7"
+navigationCompose = "2.9.8"
 room = "2.8.4"
-composeMaterial = "1.6.1"
+composeMaterial = "1.6.2"
 kotlinxSerializationJson = "1.11.0"
 documentfile = "1.1.0"
 workRuntimeKtx = "2.11.2"

metadata/en-US/changelogs/11.txt

@@ -0,0 +1,2 @@
+• fix: Prevent concurrent modification while logging
+• feat: Add import/export functionality