UITextView adding background image problem, thank you!

Add a background image to UITextView code is textView.backgroundColor = [UIColor colorWithPatternImage: [UIImage imageNamed: @ "deatail.png"]]; in the simulator can be normal, but the real machine is not displayed. There is a magnifying glass function normally displayed on the simulator, but on the real machine can show that they can not see inside the word. Brother made only with high scores to thank!
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I solved this problem, the original screenshot macqq I use the control + command + a, which should shift + command +4 screenshot can.
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Screenshot what's relations with Nepal
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Should be in the wrong picture format bar
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I have encountered,,
I changed the size of the picture on it,,,,
Actually I do not know why this is so. .
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cited a floor reply:

I solved this problem, the original screenshot macqq I use the control + command + a, but should use shift + command +4 screenshot can.

Learning ~ ~ up ~ ~!
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UIImageView * imgBtnBackround = [[UIImageView alloc] initWithFrame: CGRectMake (0.5, 0.5, 98, 44)];
[Self.imageButton addSubview: imgBtnBackround];
[Self.imageButton sendSubviewToBack: imgBtnBackround];
Set to imgBtnBackround image on the line.
To the point of it.
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Hey ~ ~ ~ late .. looks like all discussion points of the wood has been finished ...