优化

app/src/main/java/io/legado/app/lib/dialogs/AndroidSelectors.kt

@@ -31,6 +31,16 @@ fun Context.selector(
     }
 }
 
+fun <T> Context.selector(
+    items: List<T>,
+    onClick: (DialogInterface, T, Int) -> Unit
+) {
+    with(AndroidAlertBuilder(this)) {
+        items(items, onClick)
+        show()
+    }
+}
+
 fun Context.selector(
     title: CharSequence,
     items: List<CharSequence>,
@@ -43,6 +53,18 @@ fun Context.selector(
     }
 }
 
+fun <T> Context.selector(
+    title: CharSequence,
+    items: List<T>,
+    onClick: (DialogInterface, T, Int) -> Unit
+) {
+    with(AndroidAlertBuilder(this)) {
+        this.setTitle(title)
+        items(items, onClick)
+        show()
+    }
+}
+
 fun Context.selector(
     titleSource: Int,
     items: List<CharSequence>,
@@ -54,3 +76,15 @@ fun Context.selector(
         show()
     }
 }
+
+fun <T> Context.selector(
+    titleSource: Int,
+    items: List<T>,
+    onClick: (DialogInterface, T, Int) -> Unit
+) {
+    with(AndroidAlertBuilder(this)) {
+        this.setTitle(titleSource)
+        items(items, onClick)
+        show()
+    }
+}

app/src/main/java/io/legado/app/ui/book/read/config/SpeakEngineDialog.kt

@@ -24,6 +24,7 @@ import io.legado.app.databinding.ItemHttpTtsBinding
 import io.legado.app.help.DirectLinkUpload
 import io.legado.app.lib.dialogs.SelectItem
 import io.legado.app.lib.dialogs.alert
+import io.legado.app.lib.dialogs.selector
 import io.legado.app.lib.theme.ATH
 import io.legado.app.lib.theme.primaryColor
 import io.legado.app.model.ReadAloud
@@ -148,13 +149,11 @@ class SpeakEngineDialog : BaseDialogFragment(), Toolbar.OnMenuItemClickListener
         val ttsItems = viewModel.tts.engines.map {
             SelectItem(it.label, it.name)
         }
-        alert(R.string.system_tts) {
-            items(ttsItems) { _, item, index ->
-
-            }
+        context?.selector(R.string.system_tts, ttsItems) { _, item, _ ->
+            item.value
+            removePref(PreferKey.speakEngine)
+            dismissAllowingStateLoss()
         }
-        removePref(PreferKey.speakEngine)
-        dismissAllowingStateLoss()
     }
 
     private fun importAlert() {

app/src/main/java/io/legado/app/ui/config/ThemeConfigFragment.kt

@@ -167,7 +167,7 @@ class ThemeConfigFragment : BasePreferenceFragment(),
                 if (getPrefString(PreferKey.defaultCover).isNullOrEmpty()) {
                     selectImage.launch(requestCodeCover)
                 } else {
-                    selector(items = arrayListOf("删除图片", "选择图片")) { _, i ->
+                    context?.selector(items = arrayListOf("删除图片", "选择图片")) { _, i ->
                         if (i == 0) {
                             removePref(PreferKey.defaultCover)
                             CoverImageView.upDefaultCover()
@@ -180,7 +180,7 @@ class ThemeConfigFragment : BasePreferenceFragment(),
                 if (getPrefString(PreferKey.defaultCoverDark).isNullOrEmpty()) {
                     selectImage.launch(requestCodeCoverDark)
                 } else {
-                    selector(items = arrayListOf("删除图片", "选择图片")) { _, i ->
+                    context?.selector(items = arrayListOf("删除图片", "选择图片")) { _, i ->
                         if (i == 0) {
                             removePref(PreferKey.defaultCoverDark)
                             CoverImageView.upDefaultCover()
@@ -226,7 +226,7 @@ class ThemeConfigFragment : BasePreferenceFragment(),
         if (!getPrefString(bgKey).isNullOrEmpty()) {
             actions.add(getString(R.string.delete))
         }
-        selector(items = actions) { _, i ->
+        context?.selector(items = actions) { _, i ->
             when (i) {
                 0 -> alertImageBlurring(blurringKey) {
                     upTheme(isNight)