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if (self.textView.inputView == nil) { // 切换为自定义的表情键盘
HWEmotionKeyboard *emotionKeyboard = [[HWEmotionKeyboard alloc] init];// 自定义的键盘
emotionKeyboard.width = self.view.width;
emotionKeyboard.height = 216;
self.textView.inputView = emotionKeyboard;
} else { // 切换为系统自带的键盘
self.textView.inputView = nil;
}
// 开始切换键盘
self.switchingKeybaord = YES;//申明一个BOOL值监听键盘的切换
// 退出键盘
[self.textView endEditing:YES];
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.1 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
[self.textView becomeFirstResponder];
self.switchingKeybaord = NO;// 结束键盘
});
#pragma mark - 监听方法
/**
* 键盘的frame发生改变时调用(显示、隐藏等)
*/
- (void)keyboardWillChangeFrame:(NSNotification *)notification
{
// 如果正在切换键盘,就不要执行后面的代码
if (self.switchingKeybaord) return;
}
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原文地址:http://www.cnblogs.com/happyEveryData/p/5516660.html