UISearchBar使用

原創

Cgema

2020-02-25 12:07

/*取消按鈕點擊事件*/

- (void)searchBarCancelButtonClicked:(UISearchBar *)searchBar{

[self doSearch:searchBar];

}

/*鍵盤搜索按鈕點擊事件*/
- (void)searchBarSearchButtonClicked:(UISearchBar *)searchBar{
[searchBar resignFirstResponder];
[self doSearch:searchBar];

}

/*搜索方法*/

- (void)doSearch:(UISearchBar *)searchBar{ ... }

//UISearchBar上按鈕的默認文字爲Cancel，如果想改爲其他文字請調用以下代碼
for(id cc in [searchtext subviews]){
if([cc isKindOfClass:[UIButton class]]){
UIButton *btn = (UIButton *)cc;
[btn setTitle:@"取消" forState:UIControlStateNormal];
}

}

/*修改搜索框背景*/

seachBar.backgroundColor=[UIColor clearColor];

/*去掉搜索框背景*/
//1.
[[searchbar.subviews objectAtIndex:0]removeFromSuperview];
//2.
for (UIView *subview in seachBar.subviews)
{
if ([subview isKindOfClass:NSClassFromString(@"UISearchBarBackground")])
{
[subview removeFromSuperview];

break;
}

}

/*自定義背景*/
UIImageView *imageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"40-di.png"]];
[mySearchBar insertSubview:imageView atIndex:1];
[imageView release];

/*輸入搜索文字時隱藏搜索按鈕，清空時顯示*/
- (BOOL)searchBarShouldBeginEditing:(UISearchBar *)searchBar {
searchBar.showsScopeBar = YES;
[searchBar sizeToFit];
[searchBar setShowsCancelButton:YES animated:YES];
return YES;
}
- (BOOL)searchBarShouldEndEditing:(UISearchBar *)searchBar {
searchBar.showsScopeBar = NO;
[searchBar sizeToFit];
[searchBar setShowsCancelButton:NO animated:YES];
return YES;
}

/*改變搜索按鈕文字*/
//改變UISearchBar取消按鈕字體
for(id cc in [searchBar subviews])
{
if([cc isKindOfClass:[UIButton class]])
{
UIButton *btn = (UIButton *)cc;
[btn setTitle:@"搜索" forState:UIControlStateNormal];
}
}

下圖有點小，可以下載至本地放大查看。