### Install iOS pods

Source: https://github.com/xcc3641/flutter_native_cutout/blob/main/README.md

Navigate to the ios directory and install the required pods.

```bash
cd ios && pod install
```

--------------------------------

### Install dependencies

Source: https://github.com/xcc3641/flutter_native_cutout/blob/main/README.md

Run this command in your terminal to fetch the added package.

```bash
flutter pub get
```

--------------------------------

### Model Management

Source: https://github.com/xcc3641/flutter_native_cutout/blob/main/README.md

Methods for managing the ML Kit model required for background removal on Android.

```APIDOC
## Model Management Methods

### NativeCutout.isModelAvailable()
Checks if the ML model is downloaded and ready for use.

### NativeCutout.downloadModel()
Downloads the required ML model. Returns `true` if successful.

### NativeCutout.downloadProgress
A stream providing updates on the model download state and progress fraction.

### NativeCutout.clearModel()
Removes the downloaded ML model from the device.
```

--------------------------------

### NativeCutout.downloadProgress

Source: https://github.com/xcc3641/flutter_native_cutout/blob/main/README.md

Broadcast stream of Android model download progress events.

```APIDOC
## NativeCutout.downloadProgress

### Description
Broadcast stream of Android model download progress events. Only emits on Android while `downloadModel()` is running; returns an empty stream on iOS.

### Signature
`Stream<ModelDownloadProgress> get NativeCutout.downloadProgress`
```

--------------------------------

### NativeCutout.downloadModel method

Source: https://github.com/xcc3641/flutter_native_cutout/blob/main/README.md

Triggers the download of the Android ML Kit segmentation module when needed.

```dart
Future<bool> NativeCutout.downloadModel()
```

--------------------------------

### NativeCutout.downloadModel

Source: https://github.com/xcc3641/flutter_native_cutout/blob/main/README.md

Triggers download of the Android ML Kit segmentation module when needed.

```APIDOC
## NativeCutout.downloadModel

### Description
Triggers download of the Android ML Kit segmentation module when needed.

### Signature
`Future<bool> NativeCutout.downloadModel()`
```

--------------------------------

### NativeCutout.clearModel

Source: https://github.com/xcc3641/flutter_native_cutout/blob/main/README.md

Requests release of the downloaded Android ML Kit module.

```APIDOC
## NativeCutout.clearModel

### Description
Requests release of the downloaded Android ML Kit module. Note: On Android, this is a best-effort request via Google Play services.

### Signature
`Future<bool> NativeCutout.clearModel()`
```

--------------------------------

### Default background removal flow

Source: https://github.com/xcc3641/flutter_native_cutout/blob/main/README.md

Uses the default behavior to write the result to the app cache directory and return a file path.

```dart
import 'dart:io';

import 'package:flutter/material.dart';
import 'package:native_cutout/native_cutout.dart';

final result = await NativeCutout.removeBackground(
  imagePath,
  options: const CutoutOptions(
    cropToSubject: true,
    writeToCache: true,
  ),
);

late final Widget preview;

switch (result) {
  case CutoutFileSuccess(:final path):
    preview = Image.file(File(path));
    break;
  case CutoutBytesSuccess(:final pngBytes):
    preview = Image.memory(pngBytes);
    break;
  case CutoutFailure(:final code, :final message):
    debugPrint('Cutout failed: ${code.name} - $message');
    return;
}
```

--------------------------------

### NativeCutout.isModelAvailable

Source: https://github.com/xcc3641/flutter_native_cutout/blob/main/README.md

Checks whether the native model/runtime is ready to use.

```APIDOC
## NativeCutout.isModelAvailable

### Description
Checks whether the native model/runtime is ready to use.

### Signature
`Future<bool> NativeCutout.isModelAvailable()`
```

--------------------------------

### Android model availability check

Source: https://github.com/xcc3641/flutter_native_cutout/blob/main/README.md

Ensures the ML Kit model is available on Android before processing, downloading it if necessary.

```dart
final isReady = await NativeCutout.isModelAvailable();

if (!isReady) {
  final downloaded = await NativeCutout.downloadModel();
  if (!downloaded) {
    debugPrint('ML Kit model download failed');
    return;
  }
}

final result = await NativeCutout.removeBackground(imagePath);
```

--------------------------------

### Monitor model download progress

Source: https://github.com/xcc3641/flutter_native_cutout/blob/main/README.md

Listens to the downloadProgress stream to track the state and fraction of the model download.

```dart
final sub = NativeCutout.downloadProgress.listen((progress) {
  debugPrint('state=${progress.state} fraction=${progress.fraction}');
});

final ok = await NativeCutout.downloadModel();
await sub.cancel();
```

--------------------------------

### CutoutOptions configuration

Source: https://github.com/xcc3641/flutter_native_cutout/blob/main/README.md

Configuration object for background removal. cropToSubject controls canvas size, and writeToCache determines if the result is cached or returned as bytes.

```dart
const CutoutOptions(
  cropToSubject: false,
  writeToCache: true,
)
```

--------------------------------

### NativeCutout.clearModel method

Source: https://github.com/xcc3641/flutter_native_cutout/blob/main/README.md

Requests release of the downloaded Android ML Kit module. This is a best-effort request on Android.

```dart
Future<bool> NativeCutout.clearModel()
```

--------------------------------

### CutoutFileSuccess class definition

Source: https://github.com/xcc3641/flutter_native_cutout/blob/main/README.md

Represents a successful cutout operation that returns a cached PNG file path.

```dart
class CutoutFileSuccess extends CutoutSuccess {
  final String path;
}
```

--------------------------------

### NativeCutout.isModelAvailable method

Source: https://github.com/xcc3641/flutter_native_cutout/blob/main/README.md

Checks whether the native model or runtime is ready to use.

```dart
Future<bool> NativeCutout.isModelAvailable()
```

--------------------------------

### Add dependency to pubspec.yaml

Source: https://github.com/xcc3641/flutter_native_cutout/blob/main/README.md

Add the native_cutout package to your project dependencies.

```yaml
dependencies:
  native_cutout: ^0.1.0
```

--------------------------------

### NativeCutout.clearCache

Source: https://github.com/xcc3641/flutter_native_cutout/blob/main/README.md

Deletes PNG files previously written by the plugin into the app cache directory.

```APIDOC
## NativeCutout.clearCache

### Description
Deletes PNG files previously written by the plugin into the app cache directory.

### Signature
`Future<bool> NativeCutout.clearCache()`
```

--------------------------------

### NativeCutout.clearCache method

Source: https://github.com/xcc3641/flutter_native_cutout/blob/main/README.md

Deletes PNG files previously written by the plugin into the app cache directory.

```dart
Future<bool> NativeCutout.clearCache()
```

--------------------------------

### Cache Management

Source: https://github.com/xcc3641/flutter_native_cutout/blob/main/README.md

Utility methods for managing cached files generated by the plugin.

```APIDOC
## NativeCutout.clearCache()

### Description
Clears all previously generated PNG files stored in the app cache directory.
```

--------------------------------

### In-memory background removal flow

Source: https://github.com/xcc3641/flutter_native_cutout/blob/main/README.md

Returns raw PNG bytes directly by setting writeToCache to false.

```dart
final result = await NativeCutout.removeBackground(
  imagePath,
  options: const CutoutOptions(writeToCache: false),
);
```

--------------------------------

### CutoutBytesSuccess class definition

Source: https://github.com/xcc3641/flutter_native_cutout/blob/main/README.md

Represents a successful cutout operation that returns the PNG data as bytes in memory.

```dart
class CutoutBytesSuccess extends CutoutSuccess {
  final Uint8List pngBytes;
}
```

--------------------------------

### NativeCutout.clearCache()

Source: https://github.com/xcc3641/flutter_native_cutout/blob/main/README.md

Clears all cached PNG files generated by the plugin.

```APIDOC
## NativeCutout.clearCache()

### Description
Removes all cached PNG files from the application cache directory.

### Method
Static Method

### Usage
```dart
NativeCutout.clearCache();
```
```

--------------------------------

### NativeCutout.removeBackground

Source: https://github.com/xcc3641/flutter_native_cutout/blob/main/README.md

Performs background removal on an image at the specified path. Returns a result object containing either a file path, raw PNG bytes, or error details.

```APIDOC
## NativeCutout.removeBackground(String imagePath, {CutoutOptions options})

### Description
Processes an image to remove its background. The output format depends on the provided `CutoutOptions`.

### Parameters
- **imagePath** (String) - Required - The local file path to the source image.
- **options** (CutoutOptions) - Optional - Configuration for the operation, including `cropToSubject` (bool) and `writeToCache` (bool).

### Returns
- **CutoutFileSuccess** - Contains the `path` to the generated PNG file.
- **CutoutBytesSuccess** - Contains the `pngBytes` directly.
- **CutoutFailure** - Contains an error `code` and `message`.
```

--------------------------------

### NativeCutout.removeBackground method

Source: https://github.com/xcc3641/flutter_native_cutout/blob/main/README.md

Removes the background from a local image file. Returns a CutoutFileSuccess, CutoutBytesSuccess, or CutoutFailure.

```dart
Future<CutoutResult> NativeCutout.removeBackground(
  String imagePath, {
  CutoutOptions? options,
})
```

--------------------------------

### NativeCutout.removeBackground

Source: https://github.com/xcc3641/flutter_native_cutout/blob/main/README.md

Removes the background from a local image file using the specified options.

```APIDOC
## NativeCutout.removeBackground

### Description
Removes the background from a local image file on device storage.

### Signature
`Future<CutoutResult> NativeCutout.removeBackground(String imagePath, {CutoutOptions? options})`

### Parameters
- **imagePath** (String) - Required - Absolute path to a local image file on device storage.
- **options** (CutoutOptions) - Optional - Configuration for the cutout process.

### Returns
- **CutoutFileSuccess** - Contains cached PNG file path (default).
- **CutoutBytesSuccess** - Contains PNG bytes when `writeToCache` is `false`.
- **CutoutFailure** - Contains `code` and `message`.
```

--------------------------------

### Clear Android model

Source: https://github.com/xcc3641/flutter_native_cutout/blob/main/README.md

Removes the downloaded model to test the first-download flow again.

```dart
await NativeCutout.clearModel();
final isStillAvailable = await NativeCutout.isModelAvailable();
debugPrint('available after clear: $isStillAvailable');
```

--------------------------------

### NativeCutout.downloadProgress stream

Source: https://github.com/xcc3641/flutter_native_cutout/blob/main/README.md

Broadcast stream of Android model download progress events. Returns an empty stream on iOS.

```dart
Stream<ModelDownloadProgress> get NativeCutout.downloadProgress
```

--------------------------------

### Clear generated cache

Source: https://github.com/xcc3641/flutter_native_cutout/blob/main/README.md

Clears old generated PNG files from the cache.

```dart
await NativeCutout.clearCache();
```

--------------------------------

### CutoutFailure class definition

Source: https://github.com/xcc3641/flutter_native_cutout/blob/main/README.md

Represents a failed cutout operation, providing a specific error code and a descriptive message.

```dart
class CutoutFailure extends CutoutResult {
  final CutoutErrorCode code;
  final String message;
}
```

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