UIAlertController简单使用

UIAlertController是iOS8新出的API,它主要是替代以前的UIAlertView和UIActionSheet.UIAlertController实现的功能主要是弹窗,和从底部弹出菜单.
使用如下:

弹窗

UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@"提示" message:@"您的余额已不足,请及时充值!" preferredStyle:UIAlertControllerStyleAlert];
UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {
        NSLog(@"------");
    }];
UIAlertAction *okAction = [UIAlertAction actionWithTitle:@"好的" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
        NSLog(@"+++++++");
    }];
//    UIAlertAction *resetAction = [UIAlertAction actionWithTitle:@"重置" style:UIAlertActionStyleDestructive handler:^(UIAlertAction * _Nonnull action) {
//        NSLog(@"========");
//    }];
[alertController addAction:cancelAction];
[alertController addAction:okAction];
//    [alertController addAction:resetAction];
[self presentViewController:alertController animated:YES completion:nil];

弹菜单

    UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@"无间道" message:nil preferredStyle:UIAlertControllerStyleActionSheet];
    NSMutableAttributedString *attrStr = [[NSMutableAttributedString alloc] initWithString:@"无间道"];
    [attrStr addAttribute:NSForegroundColorAttributeName value:[UIColor lightGrayColor] range:NSMakeRange(0, attrStr.string.length)];
    [attrStr addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:17] range:NSMakeRange(0, attrStr.string.length)];
    [alertController setValue:attrStr forKey:@"attributedTitle"];
    
    UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {
        NSLog(@"---取消---");
    }];
    [cancelAction setValue:[UIColor blackColor] forKey:@"titleTextColor"];

    UIAlertAction *takePhotoAction = [UIAlertAction actionWithTitle:@"拍照" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
        NSLog(@"---拍照---");
    }];
    [takePhotoAction setValue:[UIColor blackColor] forKey:@"titleTextColor"];
    
    UIAlertAction *selectPhotoAction = [UIAlertAction actionWithTitle:@"从手机相册选择" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
        NSLog(@"+++从手机相册选择++++");
    }];
    [selectPhotoAction setValue:[UIColor blackColor] forKey:@"titleTextColor"];
   
    [alertController addAction:cancelAction];
    [alertController addAction:takePhotoAction];
    [alertController addAction:selectPhotoAction];
    [self presentViewController:alertController animated:YES completion:nil];

考虑到系统的UIActionSheet在iOS8已经被废弃了,而UIAlertController在自定义颜色,字体方面不是很方便(从上面就可以看出了),而且UIAlertController需要iOS8及以上系统,但是现在还需要适配iOS7.所以我自己做了一个用来弹出菜单的控件XQActionSheet,XQActionSheet可以很方便的自定义"菜单"上的文字颜色,文字字体.并且采用block回调的方式配置按钮及执行按钮事件,让代码更加紧凑.

XQActionSheet使用

    XQActionSheet *sheet = [XQActionSheet actionSheetControllerWithTitle:@"温馨提示" message:@"您的余额已不足,请及时充值!"];
    sheet.sheetTitleLabel.textColor = [UIColor greenColor];
    sheet.sheetMessageLabel.textColor = [UIColor redColor];
    [sheet.cancelButton setTitleColor:[UIColor brownColor] forState:UIControlStateNormal];
    [sheet addBtnWithTitle:@"充值" configHandler:^(UIButton *button) {
        [button setTitleColor:[UIColor lightGrayColor] forState:UIControlStateNormal];
    } actionHandler:^(UIButton *button) {
        NSLog(@"充值");
    }];
    [sheet addBtnWithTitle:@"充满" configHandler:^(UIButton *button) {
        [button setTitleColor:[UIColor blueColor] forState:UIControlStateNormal];
    } actionHandler:^(UIButton *button) {
        NSLog(@"充满");
    }];
    [sheet addBtnWithTitle:@"不要再提示我" configHandler:^(UIButton *button) {
        [button setTitleColor:[UIColor magentaColor] forState:UIControlStateNormal];
    } actionHandler:^(UIButton *button) {
         NSLog(@"不要再提示我");
    }];
    [sheet addBtnWithTitle:@"听说标题有点长的长的都很帅" configHandler:nil actionHandler:^(UIButton *button) {
        NSLog(@"听说标题有点长的长的都很帅");
    }];
    [sheet showWithViewController:self];

效果

XQActionSheet@2x.png

Github地址:

https://github.com/xq-120/XQActionSheet
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