新增截屏插件

WadeMobileFunc/WadeMobileFunc/WDFScreenCapture.h

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//
//  WDFScreenCapture.h
//  WadeMobileFunc
//
//  Created by Mac on 2019/8/6.
//  Copyright © 2019 asiainfo. All rights reserved.
//
#import <WadeMobile/WadeMobile.h>
NS_ASSUME_NONNULL_BEGIN
@interface WDFScreenCapture : WDPlugin
    -(void)captureScreen:(NSArray *)params;
    -(void)executeScreenCapture:(NSArray *)params;
    
@end
NS_ASSUME_NONNULL_END

WadeMobileFunc/WadeMobileFunc/WDFScreenCapture.m

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//
//  WDFScreenCapture.m
//  WadeMobileFunc
//
//  Created by Mac on 2019/8/6.
//  Copyright © 2019 asiainfo. All rights reserved.
//
#import "WDFScreenCapture.h"
@implementation WDFScreenCapture
    
    -(void)captureScreen:(NSArray *)params{
        BOOL isCapture = false;
        if (params.count>0) {
            if (params[0]==[NSNull null]) {
                isCapture = false;
            }else{
                isCapture = [params[0] boolValue];
            }
        }
        if (isCapture) {//允许截屏
            
        }else{//禁止截屏
            [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(screenShot) name:UIApplicationUserDidTakeScreenshotNotification object:nil];
        }
    }
    
    -(void)executeScreenCapture:(NSArray *)params{
        UIImage *image = [self screenShot];
        NSString* path = [WDUtility createDirInDocument:@"images" withFileName:nil withPathExtension:@"jpg"];
        NSData * data = UIImageJPEGRepresentation(image, 1.0);
        [data writeToFile:path atomically:YES];
        [self callback:path];
    }
    - (UIImage *)screenShot {
        UIViewController *vc = [self getViewController];
        UIGraphicsBeginImageContextWithOptions(CGSizeMake(SCREEN_WIDTH, SCREENH_HEIGHT), NO, 0.0);
        [vc.view.layer renderInContext:UIGraphicsGetCurrentContext()];
        UIImage *screenShotImage = UIGraphicsGetImageFromCurrentImageContext();
        UIGraphicsEndImageContext();
        return screenShotImage;
    }
@end