Show a warning on Xiaomi devices that it might need additional permission enabled for Autofill to work

common/src/androidMain/kotlin/com/artemchep/keyguard/feature/home/settings/component/SettingAutofill.kt

@@ -1,25 +1,42 @@
 package com.artemchep.keyguard.feature.home.settings.component
 
+import android.content.Context
+import android.content.Intent
+import android.net.Uri
+import android.provider.Settings
 import androidx.compose.foundation.layout.RowScope
+import androidx.compose.foundation.layout.padding
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.outlined.AutoAwesome
+import androidx.compose.material.icons.outlined.Settings
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
 import androidx.compose.material3.Switch
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.rememberUpdatedState
+import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.unit.dp
 import arrow.core.partially1
 import com.artemchep.keyguard.android.closestActivityOrNull
 import com.artemchep.keyguard.common.service.autofill.AutofillService
 import com.artemchep.keyguard.common.service.autofill.AutofillServiceStatus
 import com.artemchep.keyguard.res.Res
+import com.artemchep.keyguard.ui.ExpandedIfNotEmpty
 import com.artemchep.keyguard.ui.FlatItem
+import com.artemchep.keyguard.ui.FlatSimpleNote
+import com.artemchep.keyguard.ui.SimpleNote
 import com.artemchep.keyguard.ui.icons.icon
+import com.artemchep.keyguard.ui.theme.Dimens
 import dev.icerock.moko.resources.compose.stringResource
 import kotlinx.coroutines.flow.map
 import org.kodein.di.DirectDI
 import org.kodein.di.instance
+import java.io.BufferedReader
+import java.io.IOException
+import java.io.InputStreamReader
 
 actual fun settingAutofillProvider(
     directDI: DirectDI,
@@ -32,6 +49,11 @@ fun settingAutofillProvider(
 ): SettingComponent = autofillService
     .status()
     .map { status ->
+        val platformWarning = when {
+            isMiui() -> AutofillPlatformWarning.Miui
+            else -> null
+        }
+
         // composable
         SettingIi(
             search = SettingIi.Search(
@@ -63,6 +85,7 @@ fun settingAutofillProvider(
                 } else {
                     null
                 },
+                platformWarning = platformWarning,
             )
         }
     }
@@ -71,6 +94,7 @@ fun settingAutofillProvider(
 private fun SettingAutofill(
     checked: Boolean,
     onCheckedChange: ((Boolean) -> Unit)?,
+    platformWarning: AutofillPlatformWarning?,
 ) {
     FlatItem(
         leading = icon<RowScope>(Icons.Outlined.AutoAwesome),
@@ -93,4 +117,106 @@ private fun SettingAutofill(
         },
         onClick = onCheckedChange?.partially1(!checked),
     )
+
+    ExpandedIfNotEmpty(
+        valueOrNull = platformWarning.takeIf { checked },
+    ) {
+        SettingAutofillPlatformWarning(
+            platformWarning = it,
+        )
+    }
+}
+
+@Composable
+private fun SettingAutofillPlatformWarning(
+    platformWarning: AutofillPlatformWarning,
+) = when (platformWarning) {
+    is AutofillPlatformWarning.Miui -> {
+        SettingAutofillPlatformWarningMiui(
+            platformWarning = platformWarning,
+        )
+    }
+}
+
+@Composable
+private fun SettingAutofillPlatformWarningMiui(
+    platformWarning: AutofillPlatformWarning.Miui,
+) {
+    FlatSimpleNote(
+        modifier = Modifier
+            .padding(
+                top = 8.dp,
+                bottom = 8.dp,
+                start = Dimens.horizontalPadding * 1 + 24.dp,
+            ),
+        type = SimpleNote.Type.INFO,
+        text = stringResource(Res.strings.pref_item_autofill_service_xiaomi_permission_note),
+        trailing = {
+            val updatedContext by rememberUpdatedState(LocalContext.current)
+            IconButton(
+                onClick = {
+                    AutofillPlatformWarning.Miui.launchPermissionSettings(updatedContext)
+                },
+            ) {
+                Icon(
+                    imageVector = Icons.Outlined.Settings,
+                    contentDescription = null,
+                )
+            }
+        },
+    )
+}
+
+private sealed interface AutofillPlatformWarning {
+    data object Miui : AutofillPlatformWarning {
+        fun launchPermissionSettings(
+            context: Context,
+        ) {
+            val packageName = context.packageName
+            val intent = Intent("miui.intent.action.APP_PERM_EDITOR").apply {
+                setClassName(
+                    "com.miui.securitycenter",
+                    "com.miui.permcenter.permissions.PermissionsEditorActivity",
+                )
+                putExtra("extra_pkgname", packageName)
+            }
+            try {
+                context.startActivity(intent)
+            } catch (e: Exception) {
+                val genericIntent = Intent(
+                    Settings.ACTION_APPLICATION_DETAILS_SETTINGS,
+                    Uri.parse("package:$packageName"),
+                )
+                kotlin.runCatching {
+                    context.startActivity(genericIntent)
+                }
+            }
+        }
+    }
+}
+
+private fun isMiui(): Boolean {
+    return !getSystemProperty("ro.miui.ui.version.name").isNullOrBlank()
+}
+
+private fun getSystemProperty(propName: String): String? {
+    val line: String
+    var input: BufferedReader? = null
+    try {
+        val p = Runtime.getRuntime().exec("getprop $propName")
+        input = BufferedReader(InputStreamReader(p.inputStream), 1024)
+        line = input.readLine()
+        input.close()
+    } catch (ex: IOException) {
+        return null
+    } finally {
+        if (input != null) {
+            try {
+                input.close()
+            } catch (e: IOException) {
+                e.printStackTrace()
+            }
+        }
+    }
+    return line
 }

common/src/commonMain/resources/MR/base/strings.xml

@@ -917,6 +917,7 @@
     <string name="pref_item_keep_screen_on_title">Keep the screen on while viewing items</string>
     <string name="pref_item_autofill_service_title">Autofill service</string>
     <string name="pref_item_autofill_service_text">Use the Android Autofill Framework to assist in filling login information into other apps on the device</string>
+    <string name="pref_item_autofill_service_xiaomi_permission_note">Some Xiaomi devices require you to manually allow the \"Display pop-up windows while running in the background\" permission. Please open the settings and verify that it is granted.</string>
     <string name="pref_item_autofill_auto_copy_otp_title">Auto-copy one-time passwords</string>
     <string name="pref_item_autofill_auto_copy_otp_text">When filling a login information, automatically copy one-time passwords</string>
     <string name="pref_item_autofill_inline_suggestions_title">Inline suggestions</string>