uipickerview用法
//获取国家区号视图
@interface PickerView : UIView
@property(nonatomic,retain)RegisterViewController * registerVC;
@property (nonatomic, strong)void (^resultBlock)(NSMutableArray *resultArr);
#pragma mark================获取国家区号视图
@interface PickerView ()<UIPickerViewDelegate,UIPickerViewDataSource>
{
UIView *_pickerBg;
UIPickerView *_picker;
UILabel *_timeLable;
UIButton *_cancelBtn;
UIButton *_sureBtn;
}
@property (nonatomic, retain)NSMutableArray *selectArr;
@end
@implementation PickerView
- (id)init
{
self = [super initWithFrame:[UIScreen mainScreen].bounds];
if (self) {
self.backgroundColor=[UIColor colorWithRed:0 green:0 blue:0 alpha:0];
_selectArr = [NSMutableArray arrayWithArray:@[@"中国", @"+86"]];
[self setupPickerView];
}
return self;
}
- (void)setupPickerView
{
_pickerBg = [[UIView alloc] initWithFrame:CGRectMake(0, screenHeight, screenWidth, 216)];
[self addSubview:_pickerBg];
_picker = [[UIPickerView alloc] initWithFrame:CGRectMake(0, 0, screenWidth, 216)];
_picker.backgroundColor=[UIColor whiteColor];
_picker.delegate=self;
_picker.dataSource=self;
[_pickerBg addSubview:_picker];
_timeLable = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, screenWidth, 43.5)];
_timeLable.backgroundColor=[UIColor whiteColor];
_timeLable.text=@"请选择国家区号：";
_timeLable.textColor=[UIColor darkGrayColor];
_timeLable.font=[UIFont systemFontOfSize:17.0f];
[_picker addSubview:_timeLable];
UILabel *bottomLine=[[UILabel alloc] initWithFrame:CGRectMake(0, _timeLable.bottom, screenWidth, 0.5)];
bottomLine.backgroundColor=[UIColor colorWithWhite:0.8 alpha:1];
[_picker addSubview:bottomLine];
_sureBtn = [UIButton buttonWithType:UIButtonTypeCustom];
_sureBtn.frame=CGRectMake(screenWidth/2.0, _picker.height-44, screenWidth/2.0, 44);
_sureBtn.backgroundColor=[UIColor colorWithWhite:0.95 alpha:1];
_sureBtn.titleLabel.font=[UIFont systemFontOfSize:16.0f];
[_sureBtn setTitleColor:[UIColor darkGrayColor] forState:UIControlStateNormal];
[_sureBtn setTitle:@"确定" forState:UIControlStateNormal];
[_sureBtn addTarget:self action:@selector(btnAction:) forControlEvents:UIControlEventTouchUpInside];
[_pickerBg addSubview:_sureBtn];
_cancelBtn = [UIButton buttonWithType:UIButtonTypeCustom];
_cancelBtn.frame=CGRectMake(0, _picker.height-44, screenWidth/2.0, 44);
_cancelBtn.backgroundColor=[UIColor colorWithWhite:0.95 alpha:1];
_cancelBtn.titleLabel.font=[UIFont systemFontOfSize:16.0f];
[_cancelBtn setTitleColor:[UIColor darkGrayColor] forState:UIControlStateNormal];
[_cancelBtn setTitle:@"取消" forState:UIControlStateNormal];
[_cancelBtn addTarget:self action:@selector(btnAction:) forControlEvents:UIControlEventTouchUpInside];
[_pickerBg addSubview:_cancelBtn];
bottomLine=[[UILabel alloc] initWithFrame:CGRectMake(0, _sureBtn.top-0.5, screenWidth, 0.5)];
bottomLine.backgroundColor=[UIColor colorWithWhite:0.8 alpha:1];
[_picker addSubview:bottomLine];
UILabel *vLine=[[UILabel alloc] initWithFrame:CGRectMake(screenWidth/2.0, _picker.height-44, 0.5, 44)];
vLine.backgroundColor=[UIColor colorWithWhite:0.8 alpha:1];
[_pickerBg addSubview:vLine];
}
- (void)layoutSubviews
{
[super layoutSubviews];
[UIView animateWithDuration:0.2 animations:^{
_pickerBg.top=screenHeight-216;
self.backgroundColor=[UIColor colorWithRed:0 green:0 blue:0 alpha:0.1];
}];
}
#pragma mark ------- Action
- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{
[self hideSelfView];
}
- (void)btnAction:(UIButton *)btn
{
if (_sureBtn == btn) {
_resultBlock(_selectArr);
}
[self hideSelfView];
}
/** 隐藏视图 */
- (void)hideSelfView
{
[UIView animateWithDuration:0.2 animations:^{
_pickerBg.top=screenHeight;
self.backgroundColor=[UIColor colorWithRed:0 green:0 blue:0 alpha:0];
}completion:^(BOOL finished) {
[self removeFromSuperview];
}];
}
#pragma mark----UIspickerview delegate
- (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView
{
return 1;
}
- (NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component {
if (!self.registerVC.nationarArr) {
return 0;
}
return [self.registerVC.nationarArr count];
}
- (void)pickerView:(UIPickerView *)pickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component
{
_selectArr = [NSMutableArray arrayWithArray:self.registerVC.nationarArr[row]];
}
-(NSString*)pickerView:(UIPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component
{
return [NSString stringWithFormat:@"%@ %@", self.registerVC.nationarArr[row][0], self.registerVC.nationarArr[row][1]] ;
}
#pragma mark----textfield delegate
- (BOOL)textFieldShouldBeginEditing:(UITextField *)textField
{
[UIView animateWithDuration:0.5 animations:^{
if (_picker.top==screenHeight) {
_picker.frame=CGRectMake(0,screenHeight-216, screenWidth, 216);
[self bringSubviewToFront:_picker];
}
}];
return NO;
}
@end
-(void)telNumberClick
{
PickerView *data = [[PickerView alloc] init];
data.registerVC=self;
//设置_tel区号
data.resultBlock = ^(NSMutableArray *arr){
_tel.text=arr[1];
};
[[UIApplication sharedApplication].delegate.window addSubview:data];
}
