fix: request file perms on android <= 10 (#24)

app/src/main/AndroidManifest.xml

@@ -26,6 +26,7 @@
       android:icon="@mipmap/ic_launcher"
       android:label="@string/app_name"
       android:roundIcon="@mipmap/ic_launcher_round"
+      android:requestLegacyExternalStorage="true"
       android:supportsRtl="true"
       tools:ignore="AllowBackup">
     <service android:name=".installer.service.InstallService" />

app/src/main/kotlin/com/aliucord/manager/MainActivity.kt

@@ -15,7 +15,7 @@ import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.ui.Modifier
 import androidx.core.splashscreen.SplashScreen.Companion.installSplashScreen
 import com.aliucord.manager.domain.manager.PreferencesManager
-import com.aliucord.manager.ui.dialog.ManageStorageDialog
+import com.aliucord.manager.ui.dialog.StoragePermissionsDialog
 import com.aliucord.manager.ui.navigation.AppDestination
 import com.aliucord.manager.ui.screen.*
 import com.aliucord.manager.ui.theme.ManagerTheme
@@ -46,9 +46,7 @@ class MainActivity : ComponentActivity() {
                     if (!navigator.pop()) finish()
                 }
 
-                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
-                    ManageStorageDialog()
-                }
+                StoragePermissionsDialog()
 
                 Taxi(
                     modifier = Modifier.fillMaxSize(),

app/src/main/kotlin/com/aliucord/manager/ui/dialog/StoragePermissionsDialog.kt

@@ -1,12 +1,12 @@
 package com.aliucord.manager.ui.dialog
 
+import android.Manifest
 import android.content.Intent
 import android.os.Build
 import android.os.Environment
 import android.provider.Settings
 import androidx.activity.compose.rememberLauncherForActivityResult
 import androidx.activity.result.contract.ActivityResultContracts
-import androidx.annotation.RequiresApi
 import androidx.compose.material3.*
 import androidx.compose.runtime.*
 import androidx.compose.ui.res.stringResource
@@ -14,10 +14,19 @@ import androidx.compose.ui.window.DialogProperties
 import androidx.core.net.toUri
 import com.aliucord.manager.BuildConfig
 import com.aliucord.manager.R
+import com.google.accompanist.permissions.*
 
-@RequiresApi(Build.VERSION_CODES.R)
 @Composable
-fun ManageStorageDialog() {
+fun StoragePermissionsDialog() {
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+        ManageStorageDialog()
+    } else {
+        ExternalStorageDialog()
+    }
+}
+
+@Composable
+private fun ManageStorageDialog() {
     var manageStorageGranted by remember { mutableStateOf(Environment.isExternalStorageManager()) }
 
     if (!manageStorageGranted) {
@@ -25,8 +34,9 @@ fun ManageStorageDialog() {
             onDismissRequest = {},
             confirmButton = {
                 val launcher = rememberLauncherForActivityResult(ActivityResultContracts.StartActivityForResult()) {
-                    if (Environment.isExternalStorageManager())
+                    if (Environment.isExternalStorageManager()) {
                         manageStorageGranted = true
+                    }
                 }
 
                 Button(
@@ -34,7 +44,7 @@ fun ManageStorageDialog() {
                         Intent(Settings.ACTION_MANAGE_APP_ALL_FILES_ACCESS_PERMISSION)
                             .setData("package:${BuildConfig.APPLICATION_ID}".toUri())
                             .let { launcher.launch(it) }
-                    },
+                    }
                 ) {
                     Text(stringResource(R.string.open_settings))
                 }
@@ -48,3 +58,26 @@ fun ManageStorageDialog() {
         )
     }
 }
+
+@OptIn(ExperimentalPermissionsApi::class)
+@Composable
+private fun ExternalStorageDialog() {
+    val writeStorageState = rememberPermissionState(Manifest.permission.WRITE_EXTERNAL_STORAGE)
+
+    if (!writeStorageState.status.isGranted) {
+        AlertDialog(
+            onDismissRequest = {},
+            confirmButton = {
+                Button(onClick = writeStorageState::launchPermissionRequest) {
+                    Text(stringResource(R.string.confirm))
+                }
+            },
+            title = { Text(stringResource(R.string.permissions_grant)) },
+            text = { Text(stringResource(R.string.permissions_grant_body)) },
+            properties = DialogProperties(
+                dismissOnBackPress = false,
+                dismissOnClickOutside = false
+            )
+        )
+    }
+}

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

@@ -50,5 +50,5 @@
   <string name="appearance">Appearance</string>
   <string name="advanced">Advanced</string>
   <string name="permissions_grant">Grant Permissions</string>
-  <string name="permissions_grant_body">In order for Aliucord Manager to work properly, you need to grant file permissions. Since this device is above Android 10, MANAGE_EXTERNAL_STORAGE is required to access ~/Aliucord, where shared data is stored.</string>
+  <string name="permissions_grant_body">In order for Aliucord Manager to work properly, you need to grant file permissions. Since shared data in stored in ~/Aliucord, permissions are required in order for manager to function.</string>
 </resources>