仿QQ二維碼掃描Demo，集成簡單（支持二維碼，條形碼）

//
//  QRCodeTests.m
//  QRCodeTests
//
//  Created by Mac_Mini on 15/9/15.
//  Copyright (c) 2015年 Chenxuhun. All rights reserved.
//

import <UIKit/UIKit.h>
import <XCTest/XCTest.h>
@interface QRCodeTests : XCTestCase
@end
@implementation QRCodeTests

(void)setUp {
  [super setUp];
  // Put setup code here. This method is called before the invocation of each test method in the class.
}

(void)tearDown {
  // Put teardown code here. This method is called after the invocation of each test method in the class.
  [super tearDown];
}

(void)testExample {
  // This is an example of a functional test case.
  XCTAssert(YES, @"Pass");
}

(void)testPerformanceExample {
  // This is an example of a performance test case.
  [self measureBlock:^{

  // Put the code you want to measure the time of here.

}];
}


@end</pre>

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