OC常用代码记录（UI）
2017-10-13 本文已影响0人
Look2021
---------------UIWindow-------------
[self.window makeKeyWindow];
UIWindow *window = [UIApplication sharedApplication].keyWindow;
if ([GHUserService service].accessToken) {
//跳过登陆
GHBaseNavigationController *vc = [GHBaseNavigationController gh_navigationController];
window.rootViewController = vc;
} else {
GHLoginViewController *loginVc = [[GHLoginViewController alloc] init];
UINavigationController *loginNavVc = [[UINavigationController alloc] initWithRootViewController:loginVc];
[loginNavVc setNavigationBarHidden:YES];
window.rootViewController = loginNavVc;
}
---------------NavigationController---------------
//重写返回键
- (void)pushViewController:(UIViewController *)viewController animated:(BOOL)animated {
if (self.childViewControllers.count > 0) {
viewController.hidesBottomBarWhenPushed = YES;
UIButton *backBtn = [UIButton buttonWithType:UIButtonTypeCustom];
[backBtn setImage:[UIImage imageNamed:@"back_homepage_icon"] forState:UIControlStateNormal];
[backBtn addTarget:self action:@selector(onClickBack:) forControlEvents:UIControlEventTouchUpInside];
[backBtn sizeToFit];
UIBarButtonItem *leftItem = [[UIBarButtonItem alloc] initWithCustomView:backBtn];
viewController.navigationItem.leftBarButtonItem = leftItem;
}
[super pushViewController:viewController animated:animated];
}
- (void)onClickBack:(UIButton *)sender {
[self popViewControllerAnimated:YES];
}
#pragma mark - UIGestureRecognizerDelegate
// 防止在根视图滑动手势后,界面卡死
- (BOOL)gestureRecognizerShouldBegin:(UIGestureRecognizer *)gestureRecognizer{
return self.childViewControllers.count > 1;
}
// 在需要禁用右滑pop手势的ViewController中加入以下代码
id target = self.navigationController.interactivePopGestureRecognizer.delegate;
UIPanGestureRecognizer *pan = [[UIPanGestureRecognizer alloc] initWithTarget:target action:nil];
[self.view addGestureRecognizer:pan];
// 重写返回按钮
- (void)backButtonItem {
UIButton *backBtn = [UIButton buttonWithType:UIButtonTypeCustom];
[backBtn setImage:[UIImage imageNamed:@"back_homepage_icon"] forState:UIControlStateNormal];
[backBtn addTarget:self action:@selector(dismissController:) forControlEvents:UIControlEventTouchUpInside];
[backBtn sizeToFit];
UIBarButtonItem *leftItem = [[UIBarButtonItem alloc] initWithCustomView:backBtn];
self.navigationItem.leftBarButtonItem = leftItem;
}
// 根据image设置ButtonItem
self.navigationItem.leftBarButtonItem =[[UIBarButtonItem alloc] initWithImage:[[UIImage imageNamed:@"icon_back"] imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal] style:UIBarButtonItemStylePlain target:self action:@selector(leftButton)];
// 根据Button设置ButtonItem
UIButton *rightBtn = [[UIButton alloc] init];
[rightBtn setTitle:@"编辑" forState:UIControlStateNormal];
[rightBtn setTitleColor:k_Color_354261 forState:UIControlStateNormal];
[rightBtn setTitle:@"取消" forState:UIControlStateSelected];
[rightBtn setTitleColor:k_Color_999999 forState:UIControlStateSelected];
[rightBtn addTarget:self action:@selector(rightBtnClick:) forControlEvents:UIControlEventTouchUpInside];
self.rightBtn = rightBtn;
self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithCustomView:rightBtn];
//在各个控制器控制tabBar和navigationBar
-(void)viewWillAppear:(BOOL)animated{
[super viewWillAppear:animated];
self.tabBarController.tabBar.hidden = YES;
self.navigationController.navigationBarHidden = YES;
}
---------------UIView---------------
//给view添加手势
UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(coopTypeLabSwitchAction)];
[_coopTypeTipsLab addGestureRecognizer:tap];
// 通过tag获取view
UIButton *btn = (UIButton *)[self.view viewWithTag:sender.tag];
---------------UITableView---------------
- (UITableView *)tableView {
if (!_tableView) {
_tableView = [[UITableView alloc] init];
[self.view addSubview:self.tableView];
_tableView.delegate = self;
_tableView.dataSource = self;
_tableView.tableFooterView = [UIView new];
_tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
[_tableView registerNib:[UINib nibWithNibName:@"GHAppiontmentCell" bundle:nil] forCellReuseIdentifier:SweeperAppointmentcellID];
}
return _tableView;
}
#pragma mark ------- TableViewDelegate, TableViewDataSource -------
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
return self.dataArr.count;
}
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
return 65;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
GHAppiontmentCell *cell = [tableView dequeueReusableCellWithIdentifier:SweeperAppointmentcellID];
cell.selectionStyle = UITableViewCellSelectionStyleNone;
GHTimerInfoModel *model = self.dataArr[indexPath.row];
[cell confignAppiontmentCellWithTimerInfoModel:model];
return cell;
}
//隐藏tableView自带的分割线
self.tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
//想隐藏没用到的cell的分割线，可以直接粗暴的加上尾视图
self.tableView.tableFooterView = [UIView new];
//设置分割线颜色
[tableview setSeparatorColor:[UIColor blueColor]];
//设置cell可以选择
[self.collectTableView setEditing:YES animated:YES];
//根据cell， 刷新cell
NSIndexPath *indexPath = [self.tableView indexPathForCell:cell];
[self.tableView reloadRowsAtIndexPaths:indexPath withRowAnimation:UITableViewRowAnimationNone];
// 用storyboard创建UITableViewController
+ (instancetype)gh_sweepermanagement {
return [[UIStoryboard storyboardWithName:NSStringFromClass(self) bundle:nil] instantiateViewControllerWithIdentifier:NSStringFromClass(self)];
}
//tableview既要有左滑删除又要有全选删除
- (UITableViewCellEditingStyle)tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath
{
if (self.collectTableView.editing) {
return UITableViewCellEditingStyleDelete | UITableViewCellEditingStyleInsert;
}else{
return UITableViewCellEditingStyleDelete;
}
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
static NSString *GHHomePageDVcellID = @"GHHomePageDVcellID";
GHHomePageDVcell *cell = [tableView dequeueReusableCellWithIdentifier:GHHomePageDVcellID];
if (!cell) {
cell = [[[NSBundle mainBundle] loadNibNamed:@"GHHomePageDVcell" owner:nil options:nil] firstObject];
}
return cell;
}
tableViewCell
//cell选中没有效果
cell.selectionStyle = UITableViewCellSelectionStyleNone;
[tableView deselectRowAtIndexPath:indexPath animated:NO];
//改变全选cell，左边的选中颜色
cell.tintColor = [UIColor orangeColor];
//改变cell的背景颜色（选择cell的颜色）
UIView *backgroundViews = [[UIView alloc]initWithFrame:cell.frame];
backgroundViews.backgroundColor = [UIColor whiteColor];
[cell setSelectedBackgroundView:backgroundViews];
---------------UITextField---------------
_questionTypeTF.rightView = rightImageView;
_questionTypeTF.rightViewMode = UITextFieldViewModeAlways;
---------------UIImageView---------------
// 图片填充模式
rightImageView.contentMode = UIViewContentModeRight;
---------------UIButton---------------
// 文字和图片都靠左显示
backBtn.contentHorizontalAlignment = UIControlContentHorizontalAlignmentLeft;
//leffBtn
UIImage *leftImage = [[UIImage imageNamed:@"drawer_homepage_icon"] imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithImage:leftImage style:UIBarButtonItemStylePlain target:self action:@selector(leftBtnClick:)];
// rightBtn
self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"编辑" style:UIBarButtonItemStylePlain target:self action:@selector(rightBtnClick)];
self.navigationItem.rightBarButtonItem.tintColor = k_Color_333333;
//圆角
- (UIButton *)extractBtn
{
if (!_extractBtn) {
_extractBtn = [[UIButton alloc] init];
_controlBtn = [UIButton buttonWithType:UIButtonTypeCustom];
[_blueView addSubview:_extractBtn];
[_extractBtn setTitle:NSLocalizedString(@"ED_Mine_MyWallet_Withdrawals", @"提现") forState:UIControlStateNormal];
_extractBtn.titleLabel.textAlignment = NSTextAlignmentCenter;
_extractBtn.titleLabel.font = kFont_Button;
_extractBtn.backgroundColor = [UIColor whiteColor];
[_extractBtn setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
[selectedBtn setTitle:@"取消全选" forState:UIControlStateSelected];
[selectedBtn setTitle:@"全选" forState:UIControlStateNormal];
[selectedBtn setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
[selectedBtn setTitleColor:[UIColor blackColor] forState:UIControlStateSelected];
[_extractBtn addTarget:self action:@selector(extractBtnClick) forControlEvents:UIControlEventTouchUpInside];
//圆角
[_extractBtn.layer setCornerRadius:22];
//阴影
_extractBtn.layer.shadowOffset = kAppUICon_BtnShadowOffset;
_extractBtn.layer.shadowOpacity = 0.2;
_extractBtn.layer.shadowColor = [UIColor blackColor].CGColor;
//画边框线
[extractBtn.layer setBorderColor:S07_App_LineColor.CGColor];
[extractBtn.layer setBorderWidth:1];
[extractBtn.layer setMasksToBounds:YES];
[_extractBtn mas_makeConstraints:^(MASConstraintMaker *make) {
make.left.equalTo(kAppUICon_LeftSpace);
make.right.equalTo(kAppUICon_RightSpace);
make.bottom.equalTo(_blueView.mas_bottom).offset(kAppUICon_BtnHeight / 2);
make.height.mas_equalTo(kAppUICon_BtnHeight);
}];
}
return _extractBtn;
}
//使图片和文字水平居中显示
self.contentHorizontalAlignment = UIControlContentHorizontalAlignmentCenter;
//文字距离上边框的距离增加imageView的高度，距离左边框减少imageView的宽度，距离下边框和右边框距离不变
[self setTitleEdgeInsets:UIEdgeInsetsMake(self.imageView.frame.size.height + 20 ,-self.imageView.frame.size.width, 0.0,0.0)];
//图片距离右边框距离减少图片的宽度，其它不边
[self setImageEdgeInsets:UIEdgeInsetsMake(0.0, 0.0,10, -self.titleLabel.bounds.size.width)];
---------------UISwitch---------------
self.modelSwitch.transform = CGAffineTransformMakeScale(0.6, 0.6);
self.modelSwitch.tintColor = k_Color_EBEBEB;
self.modelSwitch.backgroundColor = k_Color_EBEBEB;
self.modelSwitch.layer.cornerRadius = (self.modelSwitch.frame.size.height / 0.6) / 2.0;
self.modelSwitch.layer.masksToBounds = YES;
---------------UILabel---------------
动态改变label的宽度，改变label的部分字符
_groupName.text = [NSString stringWithFormat:@"%@ (%li)",_ref.groupName,_ref.count];
NSMutableAttributedString *noteStr = [[NSMutableAttributedString alloc] initWithString:_groupName.text];
// 需要改变的第一个文字的位置
NSUInteger firstLoc = [[noteStr string] rangeOfString:@"("].location;
// 需要改变的最后一个文字的位置
NSUInteger secondLoc = [[noteStr string] rangeOfString:@")"].location + 1;
// 需要改变的区间
NSRange range = NSMakeRange(firstLoc, secondLoc - firstLoc);
// 改变颜色
[noteStr addAttribute:NSForegroundColorAttributeName value:S04_App_SubCharColor range:range];
// 改变字体大小及类型
[noteStr addAttribute:NSFontAttributeName value:P26_TagAssistFont range:range];
// 为label添加Attributed
[_groupName setAttributedText:noteStr];
---------------UIScrollview---------------
scrollView.showsHorizontalScrollIndicator = false;//不要滚动效果横杠
scrollView.showsVerticalScrollIndicator = false;//不要滚动效果竖杠
https://blog.csdn.net/science_Lee/article/details/54315341
---------------UICollectionView---------------
UICollectionViewController
- (UICollectionView *)collectionView {
if (!_collectionView) {
UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
layout.itemSize = CGSizeMake((kSCREEN_WIDTH - 15 * 2) /2, kAdaptedHeight(180));
layout.minimumLineSpacing = 5;// 最小行间距
layout.minimumInteritemSpacing = 5;// 最小列间距
_collectionView = [[UICollectionView alloc] initWithFrame:CGRectMake(0, 0, 0, 0) collectionViewLayout:layout];
[self.view addSubview:_collectionView];
_collectionView.backgroundColor = k_Color_WhiteColor;
_collectionView.showsHorizontalScrollIndicator = NO;
_collectionView.dataSource = self;
_collectionView.delegate = self;
[self.collectionView registerClass:[GHExplorationCenterCell class] forCellWithReuseIdentifier:NSStringFromClass([GHExplorationCenterCell class])];
}
return _collectionView;
}
//定义每个Section的四边间距
-(UIEdgeInsets)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout insetForSectionAtIndex:(NSInteger)section
{
return UIEdgeInsetsMake(15, 15, 5, 15);//分别为上、左、下、右
}
UICollectionViewCell
实现UICollectionViewCell自适应文字宽度
https://blog.csdn.net/lvlemo/article/details/76607073
CollectionViewDelegate
头部控件需要继承UICollectionReusableView，只会跑initWithFrame方法
[self.collectionView registerClass:[RDBookcaseReusableView class] forSupplementaryViewOfKind:UICollectionElementKindSectionHeader withReuseIdentifier:RDBookcaseReusableViewID];
- (CGSize)collectionView:(UICollectionView*)collectionView layout:(UICollectionViewLayout*)collectionViewLayout referenceSizeForHeaderInSection:(NSInteger)section {
CGSize size = CGSizeMake(kSCREEN_WIDTH, 200);
return size;
}
- (UICollectionReusableView *)collectionView:(UICollectionView *)collectionView viewForSupplementaryElementOfKind:(NSString *)kind atIndexPath:(NSIndexPath *)indexPath {
UICollectionReusableView *reusableview = nil;
if ([kind isEqualToString:UICollectionElementKindSectionHeader]) {
// 头部视图
RDBookcaseReusableView *tempReusableView = [collectionView dequeueReusableSupplementaryViewOfKind:UICollectionElementKindSectionHeader withReuseIdentifier:RDBookcaseReusableViewID forIndexPath:indexPath];
reusableview = tempReusableView;
}
return reusableview;
}
---------------UITextField---------------
https://www.jianshu.com/p/740cd34f870b
[_nameTextFile resignFirstResponder];//退出键盘
[_nameTextFile becomeFirstResponder];//弹出键盘
//键盘
_bankTextF.keyboardType = UIKeyboardTypeNumberPad;
self.passwordTF.autocorrectionType = UITextAutocorrectionTypeNo;// 关闭拼写自动提示
- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string
{
/*
* 不能输入.0-9以外的字符。
* 设置输入框输入的内容格式
* 只能有一个小数点
* 小数点后最多能输入两位
* 如果第一位是.则前面加上0.
* 如果第一位是0则后面必须输入点，否则不能输入。
* 协作费用一次最多不能支付超10000元
*/
// 判断是否有小数点
if ([textField.text containsString:@"."]) {
self.isPoint = YES;
}else{
self.isPoint = NO;
}
if (string.length > 0) {
//当前输入的字符
unichar single = [string characterAtIndex:0];
NSLog(@"single = %c",single);
// 不能输入.0-9以外的字符
if (!((single >= '0' && single <= '9') || single == '.'))
{
[SVProgressHUD showMsgWithStatus:@"您的输入格式不正确" delay:1];
return NO;
}
// 只能有一个小数点
if (self.isPoint && single == '.') {//最多只能输入一个小数点
return NO;
}
// 如果第一位是.则前面加上0.
if ((textField.text.length == 0) && (single == '.')) {
textField.text = @"0";
}
// 如果第一位是0则后面必须输入点，否则不能输入。
if ([textField.text hasPrefix:@"0"]) {
if (textField.text.length > 1) {
NSString *secondStr = [textField.text substringWithRange:NSMakeRange(1, 1)];
if (![secondStr isEqualToString:@"."]) {//第二个字符需要是小数点
return NO;
}
}else{
if (![string isEqualToString:@"."]) {//第二个字符需要是小数点
return NO;
}
}
}
// 小数点后最多能输入两位
if (self.isPoint) {
NSRange ran = [textField.text rangeOfString:@"."];
// 由于range.location是NSUInteger类型的，所以这里不能通过(range.location - ran.location)>2来判断
if (range.location > ran.location) {
if ([textField.text pathExtension].length > 1) {//小数点后最多有两位小数
return NO;
}
}
//不超过5位数
if (textField.text.length > 7) {
return NO;
}
} else {
//不超过5位数
if (textField.text.length > 4) {
return NO;
}
}
}
return YES;
}
--------------UIAlertController---------------
//创建性别选择
- (void)creatAlertControllerSheet {
UIAlertController *actionSheet = [UIAlertController alertControllerWithTitle:MyString(@"Gender") message:nil preferredStyle:UIAlertControllerStyleActionSheet];
UIAlertAction *actionMale = [UIAlertAction actionWithTitle:MyString(@"Male") style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
}];
UIAlertAction *actionFemale = [UIAlertAction actionWithTitle:MyString(@"Female") style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
}];
UIAlertAction *actionCancel = [UIAlertAction actionWithTitle:MyString(@"Cancel") style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {
}];
[actionSheet addAction:actionMale];
[actionSheet addAction:actionFemale];
[actionSheet addAction:actionCancel];
[self presentViewController:actionSheet animated:YES completion:nil];
}
---------------CABasicAnimation---------------
_electricityLayer = [CAShapeLayer layer];
// 设置圆心坐标,设置圆的半径,设置画圆弧度起始角度,设置画圆弧度结束角度,是否顺时针画圆
UIBezierPath *bezierPath = [UIBezierPath bezierPathWithArcCenter:self.sweeperImageView.center radius:112 + progressWidth / 2 startAngle:3 * M_PI / 2 endAngle:3 * M_PI / 2 * 1.00001 clockwise:NO];
self.electricityLayer.frame = self.sweeperImageView.bounds;
self.electricityLayer.fillColor = k_Color_ClearColor.CGColor;// 填充颜色
self.electricityLayer.strokeColor = k_Color_10CD13.CGColor;// 线条颜色
self.electricityLayer.lineWidth = progressWidth;
self.electricityLayer.path = bezierPath.CGPath;
self.electricityLayer.strokeStart = 0.f;
self.electricityLayer.strokeEnd = 0.f;
[self.sweeperImageView.layer addSublayer:self.electricityLayer];
// 充电动画
- (void)sweeperChargeAnimation {
CABasicAnimation *pathAnimation = [CABasicAnimation animationWithKeyPath:@"strokeEnd"];
pathAnimation.duration = 2.0;
pathAnimation.fromValue = [NSNumber numberWithFloat:0.0f];
pathAnimation.toValue = [NSNumber numberWithFloat:1.f];
pathAnimation.repeatCount = HUGE_VALF;
//使视图保留到最新状态
pathAnimation.removedOnCompletion =YES;
pathAnimation.fillMode =kCAFillModeForwards;
[self.electricityLayer addAnimation:pathAnimation
forKey:nil];
}
