有时候app需要用户输入一位联系人的姓名和电话，除了用户手动输入，一般也允许用户从通讯录中选择一位联系人（图1），下面的代码就是使用系统的<addressbookui/addressbookui.h>库实现这一需求。
图1
完整代码：
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#import "viewcontroller.h"
#import <addressbookui/addressbookui.h>
@interface viewcontroller ()<abpeoplepickernavigationcontrollerdelegate>
@property (weak, nonatomic) iboutlet uitextfield *nametextfield;
@property (weak, nonatomic) iboutlet uitextfield *phonetextfield;
@end
@implementation viewcontroller
- (void)viewdidload {
[super viewdidload];
}
//用户点击选择按钮
- (ibaction)clickselect:(uibutton *)sender {
abpeoplepickernavigationcontroller *picker =[[abpeoplepickernavigationcontroller alloc] init];
picker.peoplepickerdelegate = self;
[self presentviewcontroller:picker animated:yes completion:nil];
}
//这个方法在用户取消选择时调用
- (void)peoplepickernavigationcontrollerdidcancel:(abpeoplepickernavigationcontroller *)peoplepicker
{
[self dismissviewcontrolleranimated:yes completion:^{}];
}
//这个方法在用户选择一个联系人后调用
-(void)peoplepickernavigationcontroller:(abpeoplepickernavigationcontroller *)peoplepicker didselectperson:(abrecordref)person{
[self displayperson:person];
[self dismissviewcontrolleranimated:yes completion:^{}];
}
//获得选中person的信息
- (void)displayperson:(abrecordref)person
{
nsstring *firstname = (__bridge_transfer nsstring*)abrecordcopyvalue(person, kabpersonfirstnameproperty);
nsstring *middlename = (__bridge_transfer nsstring*)abrecordcopyvalue(person, kabpersonmiddlenameproperty);
nsstring *lastname = (__bridge_transfer nsstring*)abrecordcopyvalue(person, kabpersonlastnameproperty);
nsmutablestring *namestr = [nsmutablestring string];
if (lastname!=nil) {
[namestr appendstring:lastname];
}
if (middlename!=nil) {
[namestr appendstring:middlename];
}
if (firstname!=nil) {
[namestr appendstring:firstname];
}
nsstring* phone = nil;
abmultivalueref phonenumbers = abrecordcopyvalue(person,kabpersonphoneproperty);
if (abmultivaluegetcount(phonenumbers) > 0) {
phone = (__bridge_transfer nsstring*)abmultivaluecopyvalueatindex(phonenumbers, 0);
} else {
phone = @"[none]";
}
//可以把-、+86、空格这些过滤掉
nsstring *phonestr = [phone stringbyreplacingoccurrencesofstring:@"-" withstring:@""];
phonestr = [phonestr stringbyreplacingoccurrencesofstring:@"+86" withstring:@""];
phonestr = [phonestr stringbyreplacingoccurrencesofstring:@" " withstring:@""];
[self.nametextfield settext:namestr];
[self.phonetextfield settext:phonestr];
}
@end
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源代码下载：点击打开链接
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