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XLLDocumentController.m
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112 lines (94 loc) · 3.38 KB
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//
// XLLDocumentController.m
// XLLFile
//
// Created by 肖乐 on 2018/4/19.
// Copyright © 2018年 iOSCoder. All rights reserved.
//
#import "XLLDocumentController.h"
@interface XLLDocumentController () <UIDocumentPickerDelegate>
// 承载窗口
@property (nonatomic, strong) UIWindow *pickerWindow;
@end
@implementation XLLDocumentController
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view.
self.delegate = self;
self.view.tintColor = [UIColor purpleColor];
}
#pragma mark - UIDocumentPickerDelegate
- (void)documentPicker:(UIDocumentPickerViewController *)controller didPickDocumentsAtURLs:(NSArray<NSURL *> *)urls
{
// 官方文档说明，此沙盒外的文件url访问方法
// 1.使用文件协调器NSFileCoordinator
// 2.使用UIDocument子类（强烈建议）
// 我两种方法都尝试了一下，
if (!urls) return;
/**
// 一、使用文件协调器访问
// 1.获取文件安全访问权限
BOOL isSuccess = [fileUrl startAccessingSecurityScopedResource];
if(isSuccess)
{
// 2.通过文件协调器读取文件地址
NSFileCoordinator *fileCoordinator = [[NSFileCoordinator alloc] initWithFilePresenter:nil];
[fileCoordinator coordinateReadingItemAtURL:fileUrl options:NSFileCoordinatorReadingWithoutChanges error:nil byAccessor:^(NSURL * _Nonnull newURL) {
// 3.读取文件协调器提供的新地址里的数据
if (self.chooseBlock)
{
self.chooseBlock(newURL);
}
}];
}
// 4.停止安全访问权限
[fileUrl stopAccessingSecurityScopedResource];
*/
}
#pragma mark - setter
- (void)setThemeColor:(UIColor *)themeColor
{
_themeColor = themeColor;
self.view.tintColor = themeColor;
}
#pragma mark - public method
- (void)presentDocumentVCAnimation:(BOOL)animation
{
// 还是使用官方推荐的方式吧
self.pickerWindow = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
self.pickerWindow.windowLevel = UIWindowLevelAlert;
self.pickerWindow.rootViewController = self;
[self.pickerWindow makeKeyAndVisible];
if (animation)
{
CATransition *transition = [CATransition animation];
[transition setDuration:0.3];
transition.type = kCATransitionMoveIn;
transition.subtype = kCATransitionFromTop;
[[self.pickerWindow layer] addAnimation:transition forKey:nil];
}
}
- (void)dismissPickerVC:(void(^)(void))completion
{
[UIView animateWithDuration:.25 animations:^{
self.pickerWindow.transform = CGAffineTransformTranslate(self.pickerWindow.transform, 0, CGRectGetMaxY(self.pickerWindow.frame));
} completion:^(BOOL finished) {
[self.pickerWindow resignKeyWindow];
self.pickerWindow.hidden = YES;
[[UIApplication sharedApplication].delegate.window makeKeyWindow];
if (completion) completion();
}];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
/*
#pragma mark - Navigation
// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
// Get the new view controller using [segue destinationViewController].
// Pass the selected object to the new view controller.
}
*/
@end