fix: replace forced assertions with null-safe fallbacks in SuggestionStripView and SubtypeSettings

Author: LeanBitLab

app/src/main/java/helium314/keyboard/latin/suggestions/SuggestionStripView.kt

@@ -1012,10 +1012,12 @@ class SuggestionStripView(context: Context, attrs: AttributeSet?, defStyle: Int)
                     wrapper.addView(dictDownloadButton, expandIndex + 1)
                 }
                 val colors = Settings.getValues().mColors
-                colors.setColor(dictDownloadButton!!, ColorType.TOOL_BAR_KEY)
-                dictDownloadButton?.setBackgroundResource(R.drawable.toolbar_key_background)
-                colors.setColor(dictDownloadButton!!.background, ColorType.TOOL_BAR_EXPAND_KEY_BACKGROUND)
-                dictDownloadButton?.isVisible = true
+                dictDownloadButton?.let { btn ->
+                    colors.setColor(btn, ColorType.TOOL_BAR_KEY)
+                    btn.setBackgroundResource(R.drawable.toolbar_key_background)
+                    btn.background?.let { bg -> colors.setColor(bg, ColorType.TOOL_BAR_EXPAND_KEY_BACKGROUND) }
+                    btn.isVisible = true
+                }
             } else {
                 dictDownloadButton?.isVisible = false
             }

app/src/main/java/helium314/keyboard/latin/utils/SubtypeSettings.kt

@@ -226,7 +226,8 @@ object SubtypeSettings {
         }
         if (subtypes.isEmpty()) {
             // hardcoded fallback to en-US for weird cases
-            systemSubtypes.add(resourceSubtypesByLocale[Locale.US]!!.first())
+            resourceSubtypesByLocale[Locale.US]?.firstOrNull()?.let { systemSubtypes.add(it) }
+                ?: resourceSubtypesByLocale.values.firstOrNull()?.firstOrNull()?.let { systemSubtypes.add(it) }
         } else {
             systemSubtypes.addAll(subtypes)
         }