# Constant Field Values

## Contents

- io.flutter.*

## io.flutter.*

- io.flutter.embedding.android.AndroidTouchProcessor.PointerChange
  Modifier and Type | Constant Field | Value
  --- | --- | ---
  `public static final int` | `ADD` | `1`
  `public static final int` | `CANCEL` | `0`
  `public static final int` | `DOWN` | `4`
  `public static final int` | `HOVER` | `3`
  `public static final int` | `MOVE` | `5`
  `public static final int` | `PAN_ZOOM_END` | `9`
  `public static final int` | `PAN_ZOOM_START` | `7`
  `public static final int` | `PAN_ZOOM_UPDATE` | `8`
  `public static final int` | `REMOVE` | `2`
  `public static final int` | `UP` | `6`

- io.flutter.embedding.android.AndroidTouchProcessor.PointerDeviceKind
  Modifier and Type | Constant Field | Value
  --- | --- | ---
  `public static final int` | `INVERTED_STYLUS` | `3`
  `public static final int` | `MOUSE` | `1`
  `public static final int` | `STYLUS` | `2`
  `public static final int` | `TOUCH` | `0`
  `public static final int` | `TRACKPAD` | `4`
  `public static final int` | `UNKNOWN` | `5`

- io.flutter.embedding.android.AndroidTouchProcessor.PointerSignalKind
  Modifier and Type | Constant Field | Value
  --- | --- | ---
  `public static final int` | `NONE` | `0`
  `public static final int` | `SCALE` | `3`
  `public static final int` | `SCROLL` | `1`
  `public static final int` | `SCROLL_INERTIA_CANCEL` | `2`
  `public static final int` | `UNKNOWN` | `4`

- io.flutter.embedding.android.FlutterFragment
  Modifier and Type | Constant Field | Value
  --- | --- | ---
  `protected static final String` | `ARG_APP_BUNDLE_PATH` | `"app_bundle_path"`
  `protected static final String` | `ARG_CACHED_ENGINE_GROUP_ID` | `"cached_engine_group_id"`
  `protected static final String` | `ARG_CACHED_ENGINE_ID` | `"cached_engine_id"`
  `protected static final String` | `ARG_DART_ENTRYPOINT` | `"dart_entrypoint"`
  `protected static final String` | `ARG_DART_ENTRYPOINT_ARGS` | `"dart_entrypoint_args"`
  `protected static final String` | `ARG_DART_ENTRYPOINT_URI` | `"dart_entrypoint_uri"`
  `protected static final String` | `ARG_DESTROY_ENGINE_WITH_FRAGMENT` | `"destroy_engine_with_fragment"`
  `protected static final String` | `ARG_ENABLE_STATE_RESTORATION` | `"enable_state_restoration"`
  `protected static final String` | `ARG_FLUTTER_INITIALIZATION_ARGS` | `"initialization_args"`
  `protected static final String` | `ARG_FLUTTERVIEW_RENDER_MODE` | `"flutterview_render_mode"`
  `protected static final String` | `ARG_FLUTTERVIEW_TRANSPARENCY_MODE` | `"flutterview_transparency_mode"`
  `protected static final String` | `ARG_HANDLE_DEEPLINKING` | `"handle_deeplinking"`
  `protected static final String` | `ARG_INITIAL_ROUTE` | `"initial_route"`
  `protected static final String` | `ARG_SHOULD_ATTACH_ENGINE_TO_ACTIVITY` | `"should_attach_engine_to_activity"`
  `protected static final String` | `ARG_SHOULD_AUTOMATICALLY_HANDLE_ON_BACK_PRESSED` | `"should_automatically_handle_on_back_pressed"`
  `protected static final String` | `ARG_SHOULD_DELAY_FIRST_ANDROID_VIEW_DRAW` | `"should_delay_first_android_view_draw"`

- io.flutter.embedding.android.KeyboardMap
  Modifier and Type | Constant Field | Value
  --- | --- | ---
  `public static final long` | `kAndroidPlane` | `73014444032L`
  `public static final long` | `kUnicodePlane` | `0L`
  `public static final long` | `kValueMask` | `4294967295L`

- io.flutter.embedding.android.KeyData
  Modifier and Type | Constant Field | Value
  --- | --- | ---
  `public static final String` | `CHANNEL` | `"flutter/keydata"`

- io.flutter.embedding.engine.FlutterShellArgs
  Modifier and Type | Constant Field | Value
  --- | --- | ---
  `public static final String` | `ARG_CACHE_SKSL` | `"--cache-sksl"`
  `public static final String` | `ARG_DART_FLAGS` | `"--dart-flags"`
  `public static final String` | `ARG_DISABLE_SERVICE_AUTH_CODES` | `"--disable-service-auth-codes"`
  `public static final String` | `ARG_DUMP_SHADER_SKP_ON_SHADER_COMPILATION` | `"--dump-skp-on-shader-compilation"`
  `public static final String` | `ARG_ENABLE_DART_PROFILING` | `"--enable-dart-profiling"`
  `public static final String` | `ARG_ENABLE_IMPELLER` | `"--enable-impeller"`
  `public static final String` | `ARG_ENABLE_SOFTWARE_RENDERING` | `"--enable-software-rendering"`
  `public static final String` | `ARG_ENABLE_VULKAN_VALIDATION` | `"--enable-vulkan-validation"`
  `public static final String` | `ARG_ENDLESS_TRACE_BUFFER` | `"--endless-trace-buffer"`
  `public static final String` | `ARG_KEY_CACHE_SKSL` | `"cache-sksl"`
  `public static final String` | `ARG_KEY_DART_FLAGS` | `"dart-flags"`
  `public static final String` | `ARG_KEY_DISABLE_SERVICE_AUTH_CODES` | `"disable-service-auth-codes"`
  `public static final String` | `ARG_KEY_DUMP_SHADER_SKP_ON_SHADER_COMPILATION` | `"dump-skp-on-shader-compilation"`
  `public static final String` | `ARG_KEY_ENABLE_DART_PROFILING` | `"enable-dart-profiling"`
  `public static final String` | `ARG_KEY_ENABLE_IMPELLER` | `"enable-impeller"`
  `public static final String` | `ARG_KEY_ENABLE_SOFTWARE_RENDERING` | `"enable-software-rendering"`
  `public static final String` | `ARG_KEY_ENABLE_VULKAN_VALIDATION` | `"enable-vulkan-validation"`
  `public static final String` | `ARG_KEY_ENDLESS_TRACE_BUFFER` | `"endless-trace-buffer"`
  `public static final String` | `ARG_KEY_MSAA_SAMPLES` | `"msaa-samples"`
  `public static final String` | `ARG_KEY_OBSERVATORY_PORT` | `"observatory-port"`
  `public static final String` | `ARG_KEY_PURGE_PERSISTENT_CACHE` | `"purge-persistent-cache"`
  `public static final String` | `ARG_KEY_SKIA_DETERMINISTIC_RENDERING` | `"skia-deterministic-rendering"`
  `public static final String` | `ARG_KEY_START_PAUSED` | `"start-paused"`
  `public static final String` | `ARG_KEY_TRACE_SKIA` | `"trace-skia"`
  `public static final String` | `ARG_KEY_TRACE_SKIA_ALLOWLIST` | `"trace-skia-allowlist"`
  `public static final String` | `ARG_KEY_TRACE_STARTUP` | `"trace-startup"`
  `public static final String` | `ARG_KEY_TRACE_SYSTRACE` | `"trace-systrace"`
  `public static final String` | `ARG_KEY_USE_TEST_FONTS` | `"use-test-fonts"`
  `public static final String` | `ARG_KEY_VERBOSE_LOGGING` | `"verbose-logging"`
  `public static final String` | `ARG_KEY_VM_SERVICE_PORT` | `"vm-service-port"`
  `public static final String` | `ARG_MSAA_SAMPLES` | `"--msaa-samples"`
  `public static final String` | `ARG_PURGE_PERSISTENT_CACHE` | `"--purge-persistent-cache"`
  `public static final String` | `ARG_SKIA_DETERMINISTIC_RENDERING` | `"--skia-deterministic-rendering"`
  `public static final String` | `ARG_START_PAUSED` | `"--start-paused"`
  `public static final String` | `ARG_TRACE_SKIA` | `"--trace-skia"`
  `public static final String` | `ARG_TRACE_SKIA_ALLOWLIST` | `"--trace-skia-allowlist="`
  `public static final String` | `ARG_TRACE_STARTUP` | `"--trace-startup"`
  `public static final String` | `ARG_TRACE_SYSTRACE` | `"--trace-systrace"`
  `public static final String` | `ARG_USE_TEST_FONTS` | `"--use-test-fonts"`
  `public static final String` | `ARG_VERBOSE_LOGGING` | `"--verbose-logging"`
  `public static final String` | `ARG_VM_SERVICE_PORT` | `"--vm-service-port="`

- io.flutter.embedding.engine.loader.ApplicationInfoLoader
  Modifier and Type | Constant Field | Value
  --- | --- | ---
  `public static final String` | `NETWORK_POLICY_METADATA_KEY` | `"io.flutter.network-policy"`
  `public static final String` | `PUBLIC_AUTOMATICALLY_REGISTER_PLUGINS_METADATA_KEY` | `"io.flutter.automatically-register-plugins"`

- io.flutter.embedding.engine.renderer.FlutterRenderer.ViewportMetrics
  Modifier and Type | Constant Field | Value
  --- | --- | ---
  `public static final int` | `unsetValue` | `-1`

- io.flutter.embedding.engine.systemchannels.PlatformViewsChannel.PlatformViewsHandler
  Modifier and Type | Constant Field | Value
  --- | --- | ---
  `public static final long` | `NON_TEXTURE_FALLBACK` | `-2L`

- io.flutter.embedding.engine.systemchannels.SettingsChannel
  Modifier and Type | Constant Field | Value
  --- | --- | ---
  `public static final String` | `CHANNEL_NAME` | `"flutter/settings"`

- io.flutter.plugin.common.BasicMessageChannel<T>
  Modifier and Type | Constant Field | Value
  --- | --- | ---
  `public static final String` | `CHANNEL_BUFFERS_CHANNEL` | `"dev.flutter/channel-buffers"`

- io.flutter.plugin.editing.SpellCheckPlugin
  Modifier and Type | Constant Field | Value
  --- | --- | ---
  `public static final String` | `END_INDEX_KEY` | `"endIndex"`
  `public static final String` | `START_INDEX_KEY` | `"startIndex"`
  `public static final String` | `SUGGESTIONS_KEY` | `"suggestions"`

- io.flutter.plugin.platform.PlatformPlugin
  Modifier and Type | Constant Field | Value
  --- | --- | ---
  `public static final int` | `DEFAULT_SYSTEM_UI` | `1280`