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matt-curtis/gist:f9efbd2c2df1b77e3471

Last active January 22, 2018 14:48
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Get number of lines in UITextView (iOS 7 compat.)
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gistfile1.m
id<UITextInputTokenizer> tokenizer = textView.tokenizer;
UITextPosition *pos = textView.endOfDocument;
NSInteger lines = 0;
while (true){
UITextPosition *lineEnd = [tokenizer positionFromPosition:pos toBoundary:UITextGranularityLine inDirection:UITextStorageDirectionBackward];
if([textView comparePosition:pos toPosition:lineEnd] == NSOrderedSame){
pos = [tokenizer positionFromPosition:lineEnd toBoundary:UITextGranularityCharacter inDirection:UITextStorageDirectionBackward];
if([textView comparePosition:pos toPosition:lineEnd] == NSOrderedSame) break;
continue;
}
lines++; pos = lineEnd;
}
@darren90
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work?

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