关键操作：
效果如下：
ViewController.h
#import <UIKit/UIKit.h>
#import "MBProgressHUD.h" @interface ViewController : UITableViewController<MBProgressHUDDelegate>
@property (strong, nonatomic) MBProgressHUD *hud;
@property (copy, nonatomic) NSArray *arrMode;
@property (copy, nonatomic) NSArray *arrModeName; @end
ViewController.m
#import "ViewController.h" @interface ViewController ()
- (void)loadData;
- (void)layoutUI;
- (void)taskOfIndeterminate;
- (void)taskOfDeterminate;
- (void)taskOfDeterminateHorizontalBar;
- (void)taskOfAnnularDeterminate;
- (void)taskOfCustomView;
- (void)taskOfText;
- (void)showHUDByIndeterminate;
- (void)showHUDByDeterminate;
- (void)showHUDByDeterminateHorizontalBar;
- (void)showHUDByAnnularDeterminate;
- (void)showHUDByCustomView;
- (void)showHUDByText;
@end @implementation ViewController - (void)viewDidLoad {
[super viewDidLoad]; [self loadData];
[self layoutUI];
} - (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
} - (void)loadData {
_arrMode = @[ @"MBProgressHUDModeIndeterminate",
@"MBProgressHUDModeDeterminate",
@"MBProgressHUDModeDeterminateHorizontalBar",
@"MBProgressHUDModeAnnularDeterminate",
@"MBProgressHUDModeCustomView",
@"MBProgressHUDModeText" ]; _arrModeName = @[ @"UIActivityIndicatorView 来显示进度，这是默认值",
@"圆形饼图来显示进度",
@"水平进度条来显示进度",
@"圆环来显示进度",
@"自定义视图；例如通过这种方式，来显示一个正确或错误的提示图",
@"只显示文本" ];
} - (void)layoutUI {
self.navigationItem.title = @"MBProgressHUD 第三方库使用";
} #pragma mark - MBProgressHUD Additional Task
- (void)taskOfIndeterminate {
sleep(); //进程挂起3秒，这里仅仅是模拟，相当于执行了一些操作耗时3秒；sleep 和 usleep 都是进程挂起操作方法，他们的精准度不同，所以按需使用；对于一般秒级别操作，就使用 sleep 方法
} - (void)taskOfDeterminate {
CGFloat progressVal = 0.0f;
while (progressVal < 1.0) {
progressVal += 0.1;
_hud.progress = progressVal;
usleep(); //千分之一毫秒，即百万分之一秒；这里设置进程挂起0.5秒
}
} - (void)taskOfDeterminateHorizontalBar {
[self taskOfDeterminate];
} - (void)taskOfAnnularDeterminate {
[self taskOfDeterminate];
} - (void)taskOfCustomView {
[self taskOfIndeterminate];
} - (void)taskOfText {
[self taskOfIndeterminate];
} #pragma mark - MBProgressHUD
- (void)showHUDByIndeterminate {
UIColor *color = [UIColor cyanColor]; _hud = [[MBProgressHUD alloc] initWithView:self.view];
_hud.activityIndicatorColor = color; //设置指示器颜色；默认为白色 //label 和 detailsLabel 是公共部分，其他模式的展示效果一样可以用
_hud.labelText = @"加载中...";
_hud.labelFont = [UIFont systemFontOfSize:];
_hud.labelColor = color; //设置文本颜色；默认为白色
_hud.detailsLabelText = @"用户请稍候，耐心等待";
_hud.detailsLabelFont = [UIFont systemFontOfSize:];
_hud.detailsLabelColor = color; //设置详细文本颜色；默认为白色 //一些额外不常用的设置
_hud.minShowTime = 5.0f;
_hud.opacity = 0.5f;
_hud.animationType = MBProgressHUDAnimationZoomOut;
_hud.cornerRadius = 15.0f;
_hud.dimBackground = YES;
_hud.xOffset = 0.0f;
_hud.yOffset = 50.0f;
_hud.margin = 30.0f;
_hud.square = YES;
_hud.minSize = CGSizeMake(240.0f, 200.0f); //设置了 minSize 后，square 就失效了 //设置委托，以便调用hudWasHidden:方法
_hud.delegate = self;
[self.view addSubview:_hud]; //操作方式一：
// [_hud showWhileExecuting:@selector(taskOfIndeterminate)
// onTarget:self
// withObject:nil
// animated:YES]; //操作方式二：
[_hud showAnimated:YES
whileExecutingBlock:^{
[self taskOfIndeterminate];
} completionBlock:^{
NSLog(@"showHUDByIndeterminate 执行完成");
}];
} - (void)showHUDByDeterminate {
_hud = [[MBProgressHUD alloc] initWithView:self.view];
_hud.mode = MBProgressHUDModeDeterminate;
[self.view addSubview:_hud]; [_hud showAnimated:YES
whileExecutingBlock:^{
[self taskOfDeterminate];
} completionBlock:^{
NSLog(@"showHUDByDeterminate 执行完成");
}];
} - (void)showHUDByDeterminateHorizontalBar {
_hud = [[MBProgressHUD alloc] initWithView:self.view];
_hud.mode = MBProgressHUDModeDeterminateHorizontalBar;
[self.view addSubview:_hud]; [_hud showAnimated:YES
whileExecutingBlock:^{
[self taskOfDeterminateHorizontalBar];
} completionBlock:^{
NSLog(@"showHUDByDeterminateHorizontalBar 执行完成");
}];
} - (void)showHUDByAnnularDeterminate {
_hud = [[MBProgressHUD alloc] initWithView:self.view];
_hud.mode = MBProgressHUDModeAnnularDeterminate;
[self.view addSubview:_hud]; [_hud showAnimated:YES
whileExecutingBlock:^{
[self taskOfAnnularDeterminate];
} completionBlock:^{
NSLog(@"showHUDByAnnularDeterminate 执行完成");
}];
} - (void)showHUDByCustomView {
_hud = [[MBProgressHUD alloc] initWithView:self.view];
_hud.mode = MBProgressHUDModeCustomView;
_hud.customView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"AlbumCellRedSelected"]];
[self.view addSubview:_hud]; [_hud showAnimated:YES
whileExecutingBlock:^{
[self taskOfCustomView];
} completionBlock:^{
NSLog(@"showHUDByCustomView 执行完成");
}]; } - (void)showHUDByText {
UIColor *color = [UIColor cyanColor]; _hud = [[MBProgressHUD alloc] initWithView:self.view];
_hud.mode = MBProgressHUDModeText;
_hud.labelText = @"加载中...";
_hud.labelFont = [UIFont systemFontOfSize:];
_hud.labelColor = color; //设置文本颜色；默认为白色
_hud.detailsLabelText = @"用户请稍候，耐心等待";
_hud.detailsLabelFont = [UIFont systemFontOfSize:];
_hud.detailsLabelColor = color; //设置详细文本颜色；默认为白色
[self.view addSubview:_hud]; [_hud showAnimated:YES
whileExecutingBlock:^{
[self taskOfText];
} completionBlock:^{
NSLog(@"showHUDByText 执行完成");
}];
} #pragma mark - MBProgressHUDDelegate
- (void)hudWasHidden:(MBProgressHUD *)hud {
NSLog(@"隐藏后做一些操作");
} #pragma mark - TableView
- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
return @"展示模式列表";
} - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
return ;
} - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
return _arrMode.count;
} - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
static NSString *cellIdentifier = @"cellIdentifier";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellIdentifier];
if (!cell) {
cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:cellIdentifier];
} NSInteger row = indexPath.row;
cell.textLabel.text = _arrMode[row];
cell.textLabel.adjustsFontSizeToFitWidth = YES;
cell.detailTextLabel.text = _arrModeName[row];
cell.detailTextLabel.adjustsFontSizeToFitWidth = YES; return cell;
} - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
switch (indexPath.row) {
case :
[self showHUDByIndeterminate];
break;
case :
[self showHUDByDeterminate];
break;
case :
[self showHUDByDeterminateHorizontalBar];
break;
case :
[self showHUDByAnnularDeterminate];
break;
case :
[self showHUDByCustomView];
break;
case :
[self showHUDByText];
break;
} NSLog(@"%ld", (long)indexPath.row);
} @end
AppDelegate.h
#import <UIKit/UIKit.h> @interface AppDelegate : UIResponder <UIApplicationDelegate> @property (strong, nonatomic) UIWindow *window;
@property (strong, nonatomic) UINavigationController *navigationController; @end
AppDelegate.m
#import "AppDelegate.h"
#import "ViewController.h" @interface AppDelegate () @end @implementation AppDelegate - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
_window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
ViewController *viewController = [[ViewController alloc] init];
_navigationController = [[UINavigationController alloc] initWithRootViewController:viewController];
_window.rootViewController = _navigationController;
//[_window addSubview:_navigationController.view]; //当_window.rootViewController关联时，这一句可有可无
[_window makeKeyAndVisible];
return YES;
} - (void)applicationWillResignActive:(UIApplication *)application {
} - (void)applicationDidEnterBackground:(UIApplication *)application {
} - (void)applicationWillEnterForeground:(UIApplication *)application {
} - (void)applicationDidBecomeActive:(UIApplication *)application {
} - (void)applicationWillTerminate:(UIApplication *)application {
} @end
输出结果：
-- ::30.788 MBProgressHUDDemo[:]
-- ::36.090 MBProgressHUDDemo[:] showHUDByIndeterminate 执行完成
-- ::36.091 MBProgressHUDDemo[:] 隐藏后做一些操作
-- ::37.378 MBProgressHUDDemo[:]
-- ::43.208 MBProgressHUDDemo[:] showHUDByDeterminate 执行完成
-- ::44.435 MBProgressHUDDemo[:]
-- ::50.278 MBProgressHUDDemo[:] showHUDByDeterminateHorizontalBar 执行完成
-- ::51.692 MBProgressHUDDemo[:]
-- ::57.529 MBProgressHUDDemo[:] showHUDByAnnularDeterminate 执行完成
-- ::58.473 MBProgressHUDDemo[:]
-- ::01.778 MBProgressHUDDemo[:] showHUDByCustomView 执行完成
-- ::02.790 MBProgressHUDDemo[:]
-- ::06.096 MBProgressHUDDemo[:] showHUDByText 执行完成