成品app直播源码，iOS键盘弹出遮挡输入框

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成品app直播源码，iOS键盘弹出遮挡输入框

成品app直播源码，iOS键盘弹出遮挡输入框解决的相关代码

self.phoneInput = [UITextField new]; self.phoneInput.placeholder = @"请输入..."; [self.view addSubview:self.phoneInput]; ///键盘弹出 处理遮挡问题 - (void)viewWillAppear:(BOOL)animated { [super viewWillAppear:animated]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillHide:) name:UIKeyboardWillHideNotification object:nil]; } - (void)keyboardWillShow:(NSNotification *)notification { //获取处于焦点中的view NSArray *textFields = @[self.phoneInput]; UIView *focusView = nil; for (UITextField *view in textFields) { if ([view isFirstResponder]) { focusView = view; break; } } if (focusView) { //获取键盘弹出的时间 double duration = [notification.userInfo[UIKeyboardAnimationDurationUserInfoKey] doubleValue]; //获取键盘上端Y坐标 CGFloat keyboardY = [notification.userInfo[UIKeyboardFrameEndUserInfoKey] CGRectValue].origin.y; //获取输入框下端相对于window的Y坐标 CGRect rect = [focusView convertRect:focusView.bounds toView:[[[UIApplication sharedApplication] delegate] window]]; CGPoint tmp = rect.origin; CGFloat inputBoxY = tmp.y + focusView.frame.size.height; //计算二者差值 CGFloat ty = keyboardY- inputBoxY; NSLog(@"position keyboard: %f, inputbox: %f, ty: %f", keyboardY, inputBoxY, ty); //差值小于0，做平移变换 [UIView animateWithDuration:duration animations:^{ if (ty < 0) { self.view.transform = CGAffineTransformMakeTranslation(0, ty); } }]; } } - (void)keyboardWillHide:(NSNotification *)notification { //获取键盘弹出的时间 double duration = [notification.userInfo[UIKeyboardAnimationDurationUserInfoKey] doubleValue]; //还原 [UIView animateWithDuration:duration animations:^{ self.view.transform = CGAffineTransformMakeTranslation(0, 0); }]; } ///<UITextFieldDelegate> ///UITextFieldDelegate编辑完成，视图恢复原状 -(void)textFieldDidEndEditing:(UITextField *)textField { self.view.frame =CGRectMake(0, 0, [[UIScreen mainScreen] bounds].size.width,[[UIScreen mainScreen] bounds].size.height); }

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