maninp

public String getImagePath(Context context, Uri uri){
    if ("content".equalsIgnoreCase(uri.getScheme())) {

        if (isGoogleOldPhotosUri(uri)) {
            // return http path, then download file.
            return uri.getLastPathSegment();
        } else if (isGoogleNewPhotosUri(uri)) {
            // copy from uri. context.getContentResolver().openInputStream(uri);
            return copyFile(context, uri);
        } else if (isPicasaPhotoUri(uri)) {

maninp

maninp

- (CGRect)getMaxFrameForText:(UILabel *)label {
    label.numberOfLines = 0;
    label.lineBreakMode = NSLineBreakByWordWrapping;
    CGRect currentFrame = label.frame;
    CGSize max = CGSizeMake(label.frame.size.width, 250);
    CGRect textRect = [label.text boundingRectWithSize:max options:NSStringDrawingUsesLineFragmentOrigin attributes:@{NSFontAttributeName:label.font} context:nil];
    currentFrame.size.height = ceilf(textRect.size.height);
    return currentFrame;
}

maninp

- (CGFloat)heightOfCellWithIngredientLine:(NSString *)ingredientLine maxSize:(CGSize)max labelFont:(UIFont*)font
{
    NSStringDrawingContext *context = [[NSStringDrawingContext alloc] init];
    
    CGRect labelRect = [ingredientLine boundingRectWithSize:max
                                                    options:NSStringDrawingUsesLineFragmentOrigin
                                                attributes:@{NSFontAttributeName:font}
                                                   context:context];
    
    

maninp

//
//  UILabel+OKASizeCalculator.m
//
//  Created by Oliver on 16/01/2014.
//  Copyright (c) 2014 Oliver Atkinson. All rights reserved.
//

#import "UILabel+OKASizeCalculator.h"

@implementation UILabel (OKASizeCalculator)

maninp

- (CGSize)intrinsicContentSize {
    
    CGSize boundingSize = CGSizeMake(self.titleLabel.preferredMaxLayoutWidth - self.titleEdgeInsets.left - self.titleEdgeInsets.right, CGFLOAT_MAX);
    
    NSAttributedString *attributedTitle = [self attributedTitleForState:self.state];
    
    CGRect boundingRect;
    
    if(attributedTitle) {
        

maninp

- (CGFloat)heighWithFont:(UIFont *)font constrainedToSize:(CGSize)size
{
    return [self sizeWithFont:font constrainedToSize:size].height;
}

- (CGFloat)widthWithFont:(UIFont *)font constrainedToSize:(CGSize)size
{
    return [self sizeWithFont:font constrainedToSize:size].width;
}

maninp

NSString *str = <#some string#>;
CGSize size;
CGSize maxSize = CGSizeMake(<#width#>, <#height#>);
UIFont *font = <#font#>;
if ([str respondsToSelector:@selector(boundingRectWithSize:options:attributes:context:)]) {
    NSMutableParagraphStyle *style = [[NSMutableParagraphStyle alloc] init];
    [style setLineBreakMode:<#Line break mode#>];
    [style setAlignment:<#String alignment#>];
    NSDictionary *attributes = @{ NSFontAttributeName:font,
                                  NSParagraphStyleAttributeName:style

maninp

+ (CGFloat) estimateHeight:(NSString *)content{

    NSAttributedString *bodyText =  [NSAttributedString attributedStringWithMarkdownString:content font:MYCellFontDefine];
    CGRect rect = [bodyText boundingRectWithSize:CGSizeMake(CELL_WIDTH, FLT_MAX) options:NSStringDrawingUsesLineFragmentOrigin | NSStringDrawingUsesFontLeading context:nil];
    return CGRectGetHeight(rect);
}

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CGSize maximumLabelSize = CGSizeMake(tableView.width, MAXFLOAT);

NSStringDrawingOptions options = NSStringDrawingTruncatesLastVisibleLine |
                                 NSStringDrawingUsesLineFragmentOrigin;

NSDictionary *attr = @{NSFontAttributeName: [UIFont systemFontOfSize:15]};
CGRect labelBounds = [string boundingRectWithSize:maximumLabelSize 
                                          options:options
                                       attributes:attr
                                          context:nil];