113 lines
4.9 KiB
Objective-C
Executable File
113 lines
4.9 KiB
Objective-C
Executable File
//
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// MSCommonTool.m
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// misheng
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//
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// Created by bj_szd on 2022/10/19.
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// Copyright © 2022 syllable interactive. All rights reserved.
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//
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#import "MSCommonTool.h"
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@implementation MSCommonTool
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+ (BRPickerStyle *)customPickerViewUI {
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BRPickerStyle *style = [[BRPickerStyle alloc] init];
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style.selectedColor = [UIColor whiteColor];
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style.topCornerRadius = 10;
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style.hiddenShadowLine = YES;
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style.hiddenTitleLine = YES;
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style.hiddenTitleLabel = YES;
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style.titleBarColor = HEXCOLOR(0xF5F7F7);
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style.cancelTextColor = HEXCOLOR(0x999999);
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style.cancelTextFont = [UIFont boldSystemFontOfSize:16];
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style.cancelBtnFrame = CGRectMake(0, 0, 60, 50);
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style.cancelBtnTitle = @"取消";
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style.doneTextColor = mainDeepColor;
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style.doneTextFont = [UIFont boldSystemFontOfSize:16];
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style.doneBtnFrame = CGRectMake(SCREEN_WIDTH-60, 0, 60, 50);
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style.doneBtnTitle = @"确定";
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style.separatorColor = [UIColor clearColor];
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style.pickerTextColor = HEXCOLOR(0x333333);
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style.pickerTextFont = [UIFont systemFontOfSize:16];
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style.pickerColor = HEXCOLOR(0xF5F7F7);;
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style.rowHeight = 44;
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return style;
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}
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+ (UIImage *)convertViewToImage:(UIView *)view{
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CGSize size = view.bounds.size;
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//下面方法，第一个参数表示区域大小。第二个参数表示是否是非透明的。如果需要显示半透明效果，需要传NO，否则传YES。第三个参数就是屏幕密度了
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UIGraphicsBeginImageContextWithOptions(size, NO, [UIScreen mainScreen].scale);
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[view.layer renderInContext:UIGraphicsGetCurrentContext()];
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UIImage*image = UIGraphicsGetImageFromCurrentImageContext();
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UIGraphicsEndImageContext();
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return image;
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}
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+ (void)saveImage:(UIImage *)image assetCollectionName:(NSString *)collectionName {
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// 1. 获取当前App的相册授权状态
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PHAuthorizationStatus authorizationStatus = [PHPhotoLibrary authorizationStatus];
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// 2. 判断授权状态
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if (authorizationStatus == PHAuthorizationStatusAuthorized) {
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// 2.1 如果已经授权, 保存图片(调用步骤2的方法)
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[self saveImage:image toCollectionWithName:collectionName];
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} else if (authorizationStatus == PHAuthorizationStatusNotDetermined) { // 如果没决定, 弹出指示框, 让用户选择
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[PHPhotoLibrary requestAuthorization:^(PHAuthorizationStatus status) {
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// 如果用户选择授权, 则保存图片
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if (status == PHAuthorizationStatusAuthorized) {
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[self saveImage:image toCollectionWithName:collectionName];
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}
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}];
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} else {
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[HelpPageDefine showMessage:@"请在设置界面, 授权访问相册"];
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}
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}
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// 保存图片
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+ (void)saveImage:(UIImage *)image toCollectionWithName:(NSString *)collectionName {
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// 1. 获取相片库对象
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PHPhotoLibrary *library = [PHPhotoLibrary sharedPhotoLibrary];
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// 2. 调用changeBlock
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[library performChanges:^{
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// 2.1 创建一个相册变动请求
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PHAssetCollectionChangeRequest *collectionRequest;
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// 2.2 取出指定名称的相册
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PHAssetCollection *assetCollection = [self getCurrentPhotoCollectionWithTitle:collectionName];
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// 2.3 判断相册是否存在
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if (assetCollection) { // 如果存在就使用当前的相册创建相册请求
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collectionRequest = [PHAssetCollectionChangeRequest changeRequestForAssetCollection:assetCollection];
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} else { // 如果不存在, 就创建一个新的相册请求
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collectionRequest = [PHAssetCollectionChangeRequest creationRequestForAssetCollectionWithTitle:collectionName];
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}
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// 2.4 根据传入的相片, 创建相片变动请求
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PHAssetChangeRequest *assetRequest = [PHAssetChangeRequest creationRequestForAssetFromImage:image];
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// 2.4 创建一个占位对象
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PHObjectPlaceholder *placeholder = [assetRequest placeholderForCreatedAsset];
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// 2.5 将占位对象添加到相册请求中
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[collectionRequest addAssets:@[placeholder]];
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} completionHandler:^(BOOL success, NSError * _Nullable error) {
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// 3. 判断是否出错, 如果报错, 声明保存不成功
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dispatch_async(dispatch_get_main_queue(), ^{
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if (error) {
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[HelpPageDefine showMessage:@"保存失败"];
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} else {
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[HelpPageDefine showMessage:@"保存成功"];
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}
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});
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}];
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}
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+ (PHAssetCollection *)getCurrentPhotoCollectionWithTitle:(NSString *)collectionName {
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// 1. 创建搜索集合
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PHFetchResult *result = [PHAssetCollection fetchAssetCollectionsWithType:PHAssetCollectionTypeAlbum subtype:PHAssetCollectionSubtypeAlbumRegular options:nil];
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// 2. 遍历搜索集合并取出对应的相册
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for (PHAssetCollection *assetCollection in result) {
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if ([assetCollection.localizedTitle containsString:collectionName]) {
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return assetCollection;
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}
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}
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return nil;
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}
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@end
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