diff --git a/app/src/main/java/org/autojs/autojs/annotation/ScriptInterface.java b/app/src/main/java/org/autojs/autojs/annotation/ScriptInterface.kt
similarity index 100%
rename from app/src/main/java/org/autojs/autojs/annotation/ScriptInterface.java
rename to app/src/main/java/org/autojs/autojs/annotation/ScriptInterface.kt
diff --git a/app/src/main/java/org/autojs/autojs/core/database/CursorHelper.java b/app/src/main/java/org/autojs/autojs/core/database/CursorHelper.kt
similarity index 100%
rename from app/src/main/java/org/autojs/autojs/core/database/CursorHelper.java
rename to app/src/main/java/org/autojs/autojs/core/database/CursorHelper.kt
diff --git a/app/src/main/java/org/autojs/autojs/core/database/Transaction.java b/app/src/main/java/org/autojs/autojs/core/database/Transaction.kt
similarity index 100%
rename from app/src/main/java/org/autojs/autojs/core/database/Transaction.java
rename to app/src/main/java/org/autojs/autojs/core/database/Transaction.kt
diff --git a/app/src/main/java/org/autojs/autojs/core/image/capture/ScreenCapturerForegroundService.java b/app/src/main/java/org/autojs/autojs/core/image/capture/ScreenCapturerForegroundService.kt
similarity index 100%
rename from app/src/main/java/org/autojs/autojs/core/image/capture/ScreenCapturerForegroundService.java
rename to app/src/main/java/org/autojs/autojs/core/image/capture/ScreenCapturerForegroundService.kt
diff --git a/app/src/main/java/org/autojs/autojs/core/inputevent/InputDevices.java b/app/src/main/java/org/autojs/autojs/core/inputevent/InputDevices.kt
similarity index 100%
rename from app/src/main/java/org/autojs/autojs/core/inputevent/InputDevices.java
rename to app/src/main/java/org/autojs/autojs/core/inputevent/InputDevices.kt
diff --git a/app/src/main/java/org/autojs/autojs/core/plugin/Plugin.java b/app/src/main/java/org/autojs/autojs/core/plugin/Plugin.kt
similarity index 100%
rename from app/src/main/java/org/autojs/autojs/core/plugin/Plugin.java
rename to app/src/main/java/org/autojs/autojs/core/plugin/Plugin.kt
diff --git a/app/src/main/java/org/autojs/autojs/core/ui/inflater/InflateContext.java b/app/src/main/java/org/autojs/autojs/core/ui/inflater/InflateContext.kt
similarity index 100%
rename from app/src/main/java/org/autojs/autojs/core/ui/inflater/InflateContext.java
rename to app/src/main/java/org/autojs/autojs/core/ui/inflater/InflateContext.kt
diff --git a/app/src/main/java/org/autojs/autojs/core/ui/inflater/util/Gravities.java b/app/src/main/java/org/autojs/autojs/core/ui/inflater/util/Gravities.kt
similarity index 100%
rename from app/src/main/java/org/autojs/autojs/core/ui/inflater/util/Gravities.java
rename to app/src/main/java/org/autojs/autojs/core/ui/inflater/util/Gravities.kt
diff --git a/app/src/main/java/org/autojs/autojs/runtime/ScriptRuntime.java b/app/src/main/java/org/autojs/autojs/runtime/ScriptRuntime.kt
similarity index 100%
rename from app/src/main/java/org/autojs/autojs/runtime/ScriptRuntime.java
rename to app/src/main/java/org/autojs/autojs/runtime/ScriptRuntime.kt
diff --git a/app/src/main/java/org/autojs/autojs/runtime/accessibility/AccessibilityConfig.java b/app/src/main/java/org/autojs/autojs/runtime/accessibility/AccessibilityConfig.kt
similarity index 100%
rename from app/src/main/java/org/autojs/autojs/runtime/accessibility/AccessibilityConfig.java
rename to app/src/main/java/org/autojs/autojs/runtime/accessibility/AccessibilityConfig.kt
diff --git a/app/src/main/java/org/autojs/autojs/runtime/api/Engines.java b/app/src/main/java/org/autojs/autojs/runtime/api/Engines.kt
similarity index 100%
rename from app/src/main/java/org/autojs/autojs/runtime/api/Engines.java
rename to app/src/main/java/org/autojs/autojs/runtime/api/Engines.kt
diff --git a/app/src/main/java/org/autojs/autojs/runtime/api/Plugins.java b/app/src/main/java/org/autojs/autojs/runtime/api/Plugins.kt
similarity index 100%
rename from app/src/main/java/org/autojs/autojs/runtime/api/Plugins.java
rename to app/src/main/java/org/autojs/autojs/runtime/api/Plugins.kt
diff --git a/app/src/main/java/org/autojs/autojs/runtime/api/Timers.java b/app/src/main/java/org/autojs/autojs/runtime/api/Timers.kt
similarity index 100%
rename from app/src/main/java/org/autojs/autojs/runtime/api/Timers.java
rename to app/src/main/java/org/autojs/autojs/runtime/api/Timers.kt
diff --git a/app/src/main/java/org/autojs/autojs/ui/explorer/ExplorerView.java b/app/src/main/java/org/autojs/autojs/ui/explorer/ExplorerView.kt
similarity index 100%
rename from app/src/main/java/org/autojs/autojs/ui/explorer/ExplorerView.java
rename to app/src/main/java/org/autojs/autojs/ui/explorer/ExplorerView.kt
diff --git a/app/src/main/java/org/autojs/autojs/ui/explorer/ExplorerViewHelper.java b/app/src/main/java/org/autojs/autojs/ui/explorer/ExplorerViewHelper.kt
similarity index 100%
rename from app/src/main/java/org/autojs/autojs/ui/explorer/ExplorerViewHelper.java
rename to app/src/main/java/org/autojs/autojs/ui/explorer/ExplorerViewHelper.kt
diff --git a/app/src/main/java/org/autojs/autojs/ui/log/LogActivity.java b/app/src/main/java/org/autojs/autojs/ui/log/LogActivity.kt
similarity index 100%
rename from app/src/main/java/org/autojs/autojs/ui/log/LogActivity.java
rename to app/src/main/java/org/autojs/autojs/ui/log/LogActivity.kt
diff --git a/app/src/main/java/org/autojs/autojs/ui/widget/BindableViewHolder.java b/app/src/main/java/org/autojs/autojs/ui/widget/BindableViewHolder.kt
similarity index 100%
rename from app/src/main/java/org/autojs/autojs/ui/widget/BindableViewHolder.java
rename to app/src/main/java/org/autojs/autojs/ui/widget/BindableViewHolder.kt
diff --git a/app/src/main/java/org/autojs/autojs/ui/widget/FirstCharView.java b/app/src/main/java/org/autojs/autojs/ui/widget/FirstCharView.kt
similarity index 100%
rename from app/src/main/java/org/autojs/autojs/ui/widget/FirstCharView.java
rename to app/src/main/java/org/autojs/autojs/ui/widget/FirstCharView.kt