iOS-自定义修改拍照界面retake和use按钮

-(UIView *)findView:(UIView *)aView withName:(NSString *)name{

Class cl = [aView class];

NSString *desc = [cl description];

if ([name isEqualToString:desc])

return aView;

for (NSUInteger i =
0; i < [aView.subviews
count]; i++)
{

UIView *subView = [aView.subviews
objectAtIndex:i];
subView = [selffindView:subView
withName:name];

if (subView)

return subView;
}
return
nil;
}
-(void)addSomeElements:(UIViewController *)viewController{

UIView *PLCameraView=[self
findView:viewController.view
withName:@"PLCameraView"];

UIView *bottomBar=[self
findView:PLCameraView withName:@"PLCropOverlayBottomBar"];

UIImageView *bottomBarImageForSave = [bottomBar.subviewsobjectAtIndex:0];

UIButton *retakeButton=[bottomBarImageForSave.subviewsobjectAtIndex:0];
[retakeButtonsetTitle:@"重拍"forState:UIControlStateNormal]; //左下角按钮

UIButton *useButton=[bottomBarImageForSave.subviewsobjectAtIndex:1];
[useButtonsetTitle:@"上传"forState:UIControlStateNormal]; //右下角按钮
}
- (void)navigationController:(UINavigationController *)navigationController willShowViewController:(UIViewController
*)viewController animated:(BOOL)animated{

[selfaddSomeElements:viewController];
}