- (void)setTextView {
UIView *view = [[UIView alloc] initWithFrame:CGRectMake(0, 528, 320, 40)];
view.backgroundColor = [UIColor lightGrayColor];
view.tag = 100;
[self.view addSubview:view];
[view release];
UIImageView *p_w_picpathView1 = [[UIImageView alloc] initWithFrame:CGRectMake(10, 0, 30, 30)];
p_w_picpathView1.autoresizingMask = UIViewAutoresizingFlexibleTopMargin;//设置p_w_picpathView1的自适应高度,和父视图保持的下边距保持不变
//p_w_picpathView1.p_w_picpath = [UIImage p_w_picpathNamed:@"bottleReceiverVoiceNodePlaying003@2x.png"];
p_w_picpathView1.layer.cornerRadius = 15;
p_w_picpathView1.clipsToBounds = YES;
[view addSubview:p_w_picpathView1];
[p_w_picpathView1 release];
UIImageView *p_w_picpathView2 = [[UIImageView alloc] initWithFrame:CGRectMake(230, 0, 30, 30)];
p_w_picpathView2.autoresizingMask = UIViewAutoresizingFlexibleTopMargin;
//p_w_picpathView2.p_w_picpath = [UIImage p_w_picpathNamed:@"Album_ToolViewEmotionHL@2x.png"];
p_w_picpathView2.layer.cornerRadius = 15;
p_w_picpathView2.clipsToBounds = YES;
[view addSubview:p_w_picpathView2];
[p_w_picpathView2 release];
UIImageView *p_w_picpathView3 = [[UIImageView alloc] initWithFrame:CGRectMake(280, 0, 30, 30)];
p_w_picpathView3.autoresizingMask = UIViewAutoresizingFlexibleTopMargin;
//p_w_picpathView3.p_w_picpath = [UIImage p_w_picpathNamed:@"AlbumAddBtnHL@2x.png"];
p_w_picpathView3.layer.cornerRadius = 15;
p_w_picpathView3.clipsToBounds = YES;
[view addSubview:p_w_picpathView3];
[p_w_picpathView3 release];
UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(60, 37, 200, 2)];
label.autoresizingMask = UIViewAutoresizingFlexibleTopMargin;
label.backgroundColor = [UIColor purpleColor];
[view addSubview:label];
[label release];
UITextView *textView = [[UITextView alloc] initWithFrame:CGRectMake(60, 0, 160, 36)];
//autoresizing 自适应高度,是UIView的属性,可实现自动布局,
// self.textView.autoresizingMask = UIViewAutoresizingNone; //不会随父视图的改变而改变
// self.textView.autoresizingMask = UIViewAutoresizingFlexibleLeftMargin; //自动调整view与父视图左边距,以保证右边距不变
// self.textView.autoresizingMask = UIViewAutoresizingFlexibleWidth;//自动调整view自身的宽度,保证左边距和右边距不变
// self.textView.autoresizingMask = UIViewAutoresizingFlexibleRightMargin;//自动调整view与父视图右边距,以保证左边距不变
// self.textView.autoresizingMask = UIViewAutoresizingFlexibleTopMargin;//自动调整view与父视图上边距,以保证下边距不变
// self.textView.autoresizingMask = UIViewAutoresizingFlexibleHeight;//自动调整view自身的高度,以保证上边距和下边距不变
// self.textView.autoresizingMask = UIViewAutoresizingFlexibleBottomMargin;//自动调整view与父视图的下边距,以保证上边距不变
textView.tag = 200;
textView.scrollEnabled = YES;
textView.editable = YES;
textView.textAlignment = NSTextAlignmentLeft;
textView.dataDetectorTypes = UIDataDetectorTypeAll;
textView.delegate = self;
textView.returnKeyType = UIReturnKeyDefault;
textView.keyboardType = UIKeyboardTypeAlphabet;
[view addSubview:textView];
[textView release];
}
- (BOOL)textViewShouldBeginEditing:(UITextView *)textView {
[[NSNotificationCenter defaultCenter]addObserver:self selector:@selector(keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil];
[[NSNotificationCenter defaultCenter]addObserver:self selector:@selector(keyboardWillHide:) name:UIKeyboardWillHideNotification object:nil];
return YES;
}
- (void)keyboardWillShow:(NSNotification *)notification {
NSDictionary *userInfo = [notification userInfo];
NSValue *aValue = [userInfo objectForKey:UIKeyboardFrameEndUserInfoKey];
CGRect keyboardRect = [aValue CGRectValue];
CGFloat keyboardHeight = keyboardRect.size.height;
/*
UIView *view = [self.view viewWithTag:100];
CGRect rect = view.frame;// 保存View原有的frame.
rect.origin.y -= keyboardHeight;//y减去键盘的高度
view.frame = rect;//把最新的frame赋值给view
[UIView commitAnimations];
*/
self.view.frame = CGRectMake(0, -keyboardHeight, 320, 568);
}
- (void)keyboardWillHide:(NSNotification *)notification {
self.view.frame = CGRectMake(0, 0, 320, 568);
/*
NSDictionary *userInfo = [notification userInfo];
NSValue *aValue = [userInfo objectForKey:UIKeyboardFrameEndUserInfoKey];
CGRect keyboardRect = [aValue CGRectValue];
CGFloat keyboardHeight = keyboardRect.size.height;
UIView *view = [self.view viewWithTag:100];
CGRect rect = view.frame;// 保存View原有的frame.
rect.origin.y += keyboardHeight;//y减去键盘的高度
view.frame = rect;//把最新的frame赋值给view
[UIView commitAnimations];
*/
}
- (BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text {
NSLog(@"%@",NSStringFromCGSize(textView.contentSize));
if ([text isEqual:@"\n"]) {
[textView resignFirstResponder];
return NO;
}
return YES;
}
- (void)textViewDidChange:(UITextView *)textView {
//给输入框的高度设置限值为80
if (textView.contentSize.height >= 80) {
return;
}
textView.autoresizingMask = UIViewAutoresizingFlexibleHeight; //设置textView的自适应高度,改变自身高度,上下边框和父视图的间距保持不变
UIView *view = (UIView *)[self.view viewWithTag:100];
CGRect frame = view.frame;
frame.size.height = textView.contentSize.height;
frame.origin.y = 568 - textView.contentSize.height;
view.frame = frame;
}
弹出键盘textview
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