Baidu intelligent text recognition, ID card recognition , Yes API The way and SDK The way

API The way

Baidu intelligence ( Text recognition ), Baidu API The map didn't provide OC An example of , Here you can find

- (void)OCTest:(NSString*)token {
//***********post request ********************//
NSString *testURL =[NSString stringWithFormat:@"",token];
testURL = [testURL stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]];
NSURL *url = [NSURL URLWithString:testURL];
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
// Set the request method
request.HTTPMethod = @"POST";
// Set request body
UIImage *testImage = [UIImage imageNamed:@"test.jpg"];
NSData *imageData = UIImagePNGRepresentation(testImage);
NSString *baseStr = [imageData base64EncodedStringWithOptions:NSDataBase64Encoding64CharacterLineLength];
NSString *urlEncode= (NSString *)CFBridgingRelease(CFURLCreateStringByAddingPercentEscapes(
(__bridge CFStringRef)baseStr,
(CFStringRef)@"!*'\"();:@&=+$,/?%#[]% ",
CFStringConvertNSStringEncodingToEncoding(NSUTF8StringEncoding))); NSLog(@"urlEncode is %@",urlEncode); NSString *str =[NSString stringWithFormat:@"image=%@&id_card_side=%@",urlEncode,@"front"];
NSData *data = [str dataUsingEncoding:NSUTF8StringEncoding]; request.HTTPBody = data;
NSURLSession *session = [NSURLSession sharedSession];
NSURLSessionDataTask *dataTask = [session dataTaskWithRequest:request completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
if (error) {
NSLog(@"error is %@",error);
NSLog(@"data is %@",data);
NSDictionary *dic= [NSJSONSerialization JSONObjectWithData:data options:kNilOptions error:nil];
NSLog(@" From the analysis dic is %@",dic);
[dataTask resume]; }

If UI No design to take pictures UI, Here we suggest you use SDK, Good stability , Efficient .

SDK The way

If the real machine runs with an error report , hold lib All the simulators in are removed .

Real machine running error 、Archive/IPA/Upload AppStore Times wrong "Unsupported Architecture. Your executable contains unsupported architecture '[x86_64, i386]..."

For the convenience of developers debugging ,AipBase.framework A combination of simulator and real machine architecture , Before going online , Use lipo Tool to remove the relevant architecture , Reference resources :

cd lib
# Use lipo -info You can see the included architectures
lipo -info AipBase.framework/AipBase # Architectures in the fat file: AipBase are: i386 x86_64 armv7 armv7s arm64
# remove x86_64, i386
lipo -remove x86_64 AipBase.framework/AipBase -o AipBase.framework/AipBase
lipo -remove i386 AipBase.framework/AipBase -o AipBase.framework/AipBase
lipo -remove x86_64 AipOcrSdk.framework/AipOcrSdk -o AipOcrSdk.framework/AipOcrSdk
lipo -remove i386 AipOcrSdk.framework/AipOcrSdk -o AipOcrSdk.framework/AipOcrSdk
# Look again
lipo -info AipBase.framework/AipBase # Architectures in the fat file: AipBase are: armv7 armv7s arm64

If you want to modify SDK Of UI, have access to AipOrcSdk The source code , Programming on the shoulders of giants , It's also very fragrant !

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