回答編集履歴
1
ちなみに
test
CHANGED
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@@ -11,3 +11,29 @@
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11
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_SendBtn.enabled = (tmp.length > 0);
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```
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# ちなみに
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改行1個だけなら`@"\n"`で判定してもいいですが、文字列比較の方法が間違っています。
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```objectivec
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//× warning出てませんか?
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28
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29
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_MessageView.text == @"\n"
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//○
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[_MessageView.text compare:@"\n"] == NSOrderedSame
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```
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