//管理APP所有权限
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:UIApplicationOpenSettingsURLString]];
//tableview取消选中（点击方法中添加此方法）
[self performSelector:@selector(deselect) withObject:nil afterDelay:0.25f];
//取消选中
- (void)deselect
{
[self.tableView deselectRowAtIndexPath:[self.tableView indexPathForSelectedRow] animated:YES];
}
//使用系统的复制粘贴功能
[UIPasteboard generalPasteboard].string = @"你的字符串";
//修改系统相册界面为中文
在 Info.plist 文件中添加 Localizations 键值 内容为item 值为Chinese (simplified)
//默认返回按钮去掉文字（此方法遇到特殊情况不好用，最好在界面跳转前重新定义backBarButtonItem）
[[UIBarButtonItem appearance] setBackButtonTitlePositionAdjustment:UIOffsetMake(0, -60) forBarMetrics:UIBarMetricsDefault];
//禁止tableview滑动
self.tableview.scrollEnabled = NO;
//隐藏导航栏
[self.navigationController.navigationBar setBackgroundImage:[UIImage new]
forBarPosition:UIBarPositionAny
barMetrics:UIBarMetricsDefault];
[self.navigationController.navigationBar setShadowImage:[UIImage new]];
//父视图透明子视图不透明
btn.backgroundColor = [[UIColor colorWithWhite:0.5 alpha:1] colorWithAlphaComponent:0.1];
//tableview改变头部视图背景颜色与字体颜色
#pragma mark 改变头部视图
-(void)tableView:(UITableView *)tableView willDisplayHeaderView:(UIView *)view forSection:(NSInteger)section{
view.tintColor = ViewBGC;
UITableViewHeaderFooterView *head = (UITableViewHeaderFooterView *)view;
head.textLabel.textColor = RGB(62, 99, 114, 1);
}
#pragma mark 改变底部视图
- (void)tableView:(UITableView *)tableView willDisplayFooterView:(UIView *)view forSection:(NSInteger)section{
view.tintColor = [UIColor clearColor];
}
//开启照明
- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{
self.isOpen = !self.isOpen;
AVCaptureDevice *device = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];
if ([device hasTorch]) {
[device lockForConfiguration:nil];
if (self.isOpen) {
[device setTorchMode:AVCaptureTorchModeOn];
} else {
[device setTorchMode:AVCaptureTorchModeOff];
}
[device unlockForConfiguration];
}
}
//UITableView 的 headerView跟随 cell一起滚动
- (void)scrollViewDidScroll:(UIScrollView *)scrollView {
if (scrollView == self.tableView)
{
if (scrollView.contentOffset.y<=SectionHeaderHeight && scrollView.contentOffset.y>=0) {
scrollView.contentInset = UIEdgeInsetsMake(-scrollView.contentOffset.y, 0, 0, 0);
} else if (scrollView.contentOffset.y >= SectionHeaderHeight) {
scrollView.contentInset = UIEdgeInsetsMake(-SectionHeaderHeight, 0, 0, 0);
}
}
}
获取APP的图标 icon
NSDictionary *infoPlist = [[NSBundle mainBundle] infoDictionary];
NSString *icon = [[infoPlist valueForKeyPath:@"CFBundleIcons.CFBundlePrimaryIcon.CFBundleIconFiles"] lastObject];
UIImage* image = [UIImage imageNamed:icon];
