DJComposeToolbar.m
#import "DJComposeToolbar.h"
@implementation DJComposeToolbar
- (instancetype)initWithFrame:(CGRect)frame
{
self = [super initWithFrame:frame];
if (self) {
self.backgroundColor = [UIColor colorWithPatternImage:[UIImage imageNamed:@"compose_toolbar_backgrounds"]];
[self setupBtnWithImage:@"compose_camerabutton_background" hilightImage:@"compose_camerabutton_background_highlighted"];
[self setupBtnWithImage:@"compose_toolbar_picture" hilightImage:@"compose_toolbar_picture_highlighted"];
[self setupBtnWithImage:@"compose_mentionbutton_background" hilightImage:@"compose_mentionbutton_background_highlighted"];
[self setupBtnWithImage:@"compose_trendbutton_background" hilightImage:@"compose_trendbutton_background_highlighted"];
[self setupBtnWithImage:@"compose_emoticonbutton_background" hilightImage:@"compose_emoticonbutton_background_highlighted"];
}
return self;
}
- (void)setupBtnWithImage:(NSString *)image hilightImage:(NSString *)hilightImage {
UIButton *btn = [[UIButton alloc] init];
[btn setImage:[UIImage imageNamed:image] forState:UIControlStateNormal];
[btn setImage:[UIImage imageNamed:hilightImage] forState:UIControlStateHighlighted];
[self addSubview:btn];
}
- (void)layoutSubviews {
[super layoutSubviews];
NSUInteger count = self.subviews.count;
CGFloat btnY = 0;
CGFloat btnW = self.width / count;
CGFloat btnH = self.height;
for (int i = 0; i < count; i++) {
UIButton *btn = self.subviews[i];
btn.x = i * btnW;
btn.y = btnY;
btn.width = btnW;
btn.height = btnH;
}
}
@end
DJComposeViewControll.m
#import "DJComposeViewController.h"
#import "DJAccountTool.h"
#import "DJTextView.h"
#import "AFHTTPSessionManager.h"
#import "MBProgressHUD+MJ.h"
#import "DJComposeToolbar.h"
@interface DJComposeViewController() <UITextViewDelegate>
@property (nonatomic,weak) DJTextView *textView;
@property (nonatomic,weak) DJComposeToolbar *toolbar;
@end
@implementation DJComposeViewController
- (void)viewDidLoad {
[super viewDidLoad];
[self initNavigationView];
[self initTextView];
[self initComposeToolbar];
}
- (void)viewDidAppear:(BOOL)animated {
[super viewDidAppear:animated];
self.navigationItem.rightBarButtonItem.enabled = NO;
}
/** 初始化工具条 */
- (void)initComposeToolbar {
DJComposeToolbar *toolbar = [[DJComposeToolbar alloc] init];
toolbar.width = self.view.width;
toolbar.height = 44;
toolbar.x = 0;
toolbar.y = self.view.height - toolbar.height;
[self.view addSubview:toolbar];
self.toolbar = toolbar;
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillChangeFrameNotification:) name:UIKeyboardWillChangeFrameNotification object:nil];
}
/** 初始化NavigationView */
- (void)initNavigationView {
self.view.backgroundColor = [UIColor whiteColor];
self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"取消" style:UIBarButtonItemStyleDone target:self action:@selector(finish)];
self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"发送" style:UIBarButtonItemStylePlain target:self action:@selector(send)];
UILabel *titleView = [[UILabel alloc] init];
titleView.width = 200;
titleView.height = 44;
titleView.numberOfLines = 0; // 设置titleView 为多行显示
titleView.textAlignment = NSTextAlignmentCenter;
DJAccount *account = [DJAccountTool account];
NSString *nickName = account.screen_name;
NSString *prefix = @"发微博";
NSString *str = [NSString stringWithFormat:@"%@\n%@",prefix,nickName];
NSRange nick_name_range = [str rangeOfString:nickName];
NSRange prefix_range = [prefix rangeOfString:prefix];
NSMutableAttributedString *titleStr = [[NSMutableAttributedString alloc] initWithString:str];
[titleStr addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:13] range:nick_name_range];
[titleStr addAttribute:NSFontAttributeName value:[UIFont boldSystemFontOfSize:15] range:prefix_range];
titleView.attributedText = titleStr;
self.navigationItem.titleView = titleView;
}
/** 初始化输入区域 */
- (void)initTextView {
DJTextView *textView = [[DJTextView alloc] init];
textView.frame = self.view.bounds;
textView.font = [UIFont systemFontOfSize:14];
textView.placeholder = @"请输入微博内容";
textView.placeholderColor = [UIColor grayColor];
textView.alwaysBounceVertical = YES;
[self.view addSubview:textView];
self.textView = textView;
textView.delegate = self; // 类似于android里面的setOnClickListener(this)方法
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(textHasChange) name:UITextViewTextDidChangeNotification object:textView];
}
- (void)finish {
[self dismissViewControllerAnimated:YES completion:nil];
}
/** 监听TextView文本改变 */
- (void)textHasChange {
// 若用户已经为textView输入了文本，则发送按钮可点击
self.navigationItem.rightBarButtonItem.enabled = self.textView.hasText;
}
/** 发微博 */
- (void)send {
[self sendStatusRequest];
}
/** 发微博 */
- (void)sendStatusRequest {
AFHTTPSessionManager *RequestManager = [AFHTTPSessionManager manager];
NSString *urlString = @"https://api.weibo.com/2/statuses/update.json";
NSMutableDictionary *params = [NSMutableDictionary dictionary];
params[@"access_token"] = [DJAccountTool account].access_token;
params[@"status"] = self.textView.text;
[RequestManager POST:urlString parameters:params progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) {
[MBProgressHUD showSuccess:@"发送成功"];
} failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
[MBProgressHUD showError:@"发送失败"];
}];
[self dismissViewControllerAnimated:YES completion:nil];
}
#pragma mark - 接收键盘frame改变通知(类似于android中的接收广播)
- (void)keyboardWillChangeFrameNotification:(NSNotification *)notification {
NSDictionary *intent = notification.userInfo;
// 键盘的frame
CGRect keyboardF = [intent[UIKeyboardFrameEndUserInfoKey] CGRectValue];
// 动画的执行时间
double duration = [intent[UIKeyboardAnimationDurationUserInfoKey] doubleValue];
[UIView animateWithDuration:duration animations:^{
self.toolbar.y = keyboardF.origin.y - self.toolbar.height;
}];
}
#pragma mark - ScrollView 代理方法(当用户拖动TextView时使键盘消失)
- (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView {
[self.view endEditing:YES];
}
- (void)dealloc {
[[NSNotificationCenter defaultCenter] removeObserver:self];
}
@end
最终效果：
时间： 2024-12-06 09:38:45