kmpdfkit_demo/ios/Classes/FLNativeView.m

//
//  FLNativeViewFactory.m
//  compdfkit_flutter
//
//  Created by kdanmobile_2 on 2023/7/25.
//

#import "FLNativeView.h"

#import <ComPDFKit/ComPDFKit.h>

@implementation FLNativeViewFactory {
    NSObject<FlutterBinaryMessenger>* _messenger;
}

- (instancetype)initWithMessenger:(NSObject<FlutterBinaryMessenger> *)messenger {
    if (self = [super init]) {
        _messenger = messenger;
    }
    return self;
}

#pragma mark - FlutterPlatformViewFactory

- (NSObject<FlutterPlatformView> *)createWithFrame:(CGRect)frame viewIdentifier:(int64_t)viewId arguments:(id)args {
    return [[FLNativeView alloc] initWithFrame:frame viewIndentifier:viewId argument:args binaryMessenger:_messenger];
}

@end

@implementation FLNativeView {
    UIView *_view;
    CPDFView *_pdfView;
}

- (instancetype)initWithFrame:(CGRect)frame viewIndentifier:(int64_t)viewId argument:(id _Nullable)args binaryMessenger:(NSObject<FlutterBinaryMessenger> *)messenger {
    self = [super init];
    if (self) {
        NSString *documentFolder = [NSHomeDirectory() stringByAppendingFormat:@"/%@/%@", @"Documents",@"Samples"];
        NSString *filePath = [NSString stringWithFormat:@"%@/developer_guide_ios.pdf", documentFolder];
        CPDFDocument *document = [[CPDFDocument alloc] initWithURL:[NSURL fileURLWithPath:filePath]];
        _pdfView = [[CPDFView alloc] initWithFrame:CGRectMake(0, 0, [UIScreen mainScreen].bounds.size.width,  [UIScreen mainScreen].bounds.size.height)];
        _pdfView.document = document;
        
        _view = [[UIView alloc] init];
        [_view addSubview:_pdfView];
    }
    return self;
}

- (UIView *)view {
    return _view;
}

@end