Custom message input box for iOS and message input box for ios
A simple encapsulation is provided, so that you can use it without any trouble during initialization. If you have other requirements, just set the parameters in it.
WJEasyInputTextView. h
//
// WJEasyInputTextView. h
// Input box on the keyboard
//
// Created by apple on 15/6/23.
// Copyright (c) 2015 tqh. All rights reserved.
//
# Import <UIKit/UIKit. h>
/**
* You can use direct initialization or modify attributes.
WJEasyInputTextView * wj = [WJEasyInputTextView alloc] init];
Wj. bgColor = [UIColor orangeColor];
Wj. showLimitNum = YES;
Wj. font = [UIFont systemFontOfSize: 18];
Wj. limitNum = 13;
[Self. view addSubview: wj];
*/
@ Interface WJEasyInputTextView: UIView
@ Property (nonatomic, strong) UIColor * bgColor; // background color
@ Property (nonatomic, assign) BOOL showLimitNum; // display words
@ Property (nonatomic, assign) NSInteger limitNum; // limit the number of words
@ Property (nonatomic, strong) UIFont * font; // text size
@ End
WJEasyInputTextView. m
//
// WJEasyInputTextView. m
// Input box on the keyboard
//
// Created by apple on 15/6/23.
// Copyright (c) 2015 tqh. All rights reserved.
//
# Import "WJEasyInputTextView. h"
@ Interface WJEasyInputTextView () <UITextViewDelegate> {
UIView * _ bottomView; // comment box
UITextView * _ textView; // input box
UILabel * _ textApl; // Number of words
CGRect _ rect;
}
@ End
@ Implementation WJEasyInputTextView
-(Instancetype) init
{
Self = [super init];
If (self ){
Self. frame = CGRectMake (0, CGRectGetHeight ([UIScreen mainScreen]. bounds)-50, CGRectGetWidth ([UIScreen mainScreen]. bounds), 50 );
_ Rect = self. frame;
[Self initNotification];
[Self AddtextFieldComments];
}
Return self;
}
# Pragma mark-initialize the keyboard listener
-(Void) initNotification {
[[Nsicationcenter center defacenter center] addObserver: self selector: @ selector (keyboardWillShow :) name: UIKeyboardWillShowNotification object: nil];
[[Nsicationcenter center defacenter center] addObserver: self selector: @ selector (keyboardWillHide :) name: UIKeyboardWillHideNotification object: nil];
}
# Pragma mark-Initialize View
-(Void) AddtextFieldComments {
_ BottomView = [[UIView alloc] initWithFrame: self. bounds];
_ BottomView. backgroundColor = self. bgColor;
_ BottomView. userInteractionEnabled = YES;
[Self addSubview: _ bottomView];
UIView * lineView = [[UIView alloc] initWithFrame: CGRectMake (0, 0, CGRectGetWidth (self. bounds), 0.5)];
LineView. backgroundColor = [UIColor colorWithWhite: 0.6 alpha: 0.3];
[_ BottomView addSubview: lineView];
_ TextView = [[UITextView alloc] initWithFrame: CGRectMake (15, 5, CGRectGetWidth (self. bounds)-115, 40)];
_ TextView. layer. cornerRadius = 6;
_ TextView. layer. borderWidth = 1;
_ TextView. delegate = self;
_ TextView. font = [UIFont systemFontOfSize: 13];
_ TextView. autocapitalizationType = UITextAutocapitalizationTypeNone;
_ TextView. autocorrectionType = UITextAutocorrectionTypeNo;
_ TextView. layer. borderColor = lineView. backgroundColor. CGColor;
[_ BottomView addSubview: _ textView];
_ TextApl = [[UILabel alloc] init];
_ TextApl. frame = CGRectMake (CGRectGetMaxX (_ textView. frame)-37, 35, 30, 6 );
_ TextApl. textColor = [UIColor grayColor];
_ TextApl. textAlignment = NSTextAlignmentRight;
_ TextApl. font = [UIFont systemFontOfSize: 8];
// _ TextApl. text = @ "140 ";
[_ BottomView addSubview: _ textApl];
UIButton * plBtn = [UIButton buttonWithType: UIButtonTypeRoundedRect];
PlBtn. layer. borderWidth = 1;
PlBtn. backgroundColor = [UIColor whiteColor];
[PlBtn setTitle: @ "send" forState: UIControlStateNormal];
[PlBtn setTitleColor: [UIColor blackColor] forState: UIControlStateNormal];
PlBtn. layer. cornerRadius = 6;
PlBtn. layer. borderColor = lineView. backgroundColor. CGColor;
PlBtn. frame = CGRectMake (CGRectGetMaxX (_ textView. frame) + 10, CGRectGetMinY (_ textView. frame), 80, CGRectGetHeight (_ textView. frame ));
[PlBtn addTarget: self action: @ selector (pinglun) forControlEvents: UIControlEventTouchUpInside];
[_ BottomView addSubview: plBtn];
}
# Pragma mark-get Method
-(Void) setBgColor :( UIColor *) bgColor {
_ BgColor = bgColor;
_ BottomView. backgroundColor = bgColor;
}
-(Void) setLimitNum :( NSInteger) limitNum {
NSLog (@ "% ld", limitNum );
_ LimitNum = limitNum;
_ TextApl. text = [NSString stringWithFormat: @ "% ld", limitNum];
}
-(Void) setShowLimitNum :( BOOL) showLimitNum {
_ ShowLimitNum = showLimitNum;
If (showLimitNum ){
_ TextApl. hidden = NO;
} Else {
_ TextApl. hidden = YES;
}
}
-(Void) setFont :( UIFont *) font {
_ Font = font;
_ TextView. font = font;
}
# Pragma mark-event listening
-(Void) pinglun
{
NSLog (@ "send ");
}
-(Void) textViewDidChange :( UITextView *) textView {
If (_ showLimitNum ){
NSString * toBeString = textView. text;
NSArray * currentar = [UITextInputMode activeInputModes];
UITextInputMode * current = [currentar firstObject];
// The following method is discarded by iOS7.
// NSString * lang = [[UITextInputMode currentInputMode] primaryLanguage]; // keyboard input mode
If ([current. primaryLanguage isEqualToString: @ "zh-Hans"]) {// Simplified Chinese input, including simplified Chinese pinyin, five athletes, and simplified handwriting
UITextRange * selectedRange = [textView markedTextRange];
// Obtain the highlighted part
UITextPosition * position = [textView positionFromPosition: selectedRange. start offset: 0];
// If no selected words are highlighted, the words that have been entered are counted and restricted.
If (! Position ){
If (toBeString. length> _ limitNum ){
TextView. text = [toBeString substringToIndex: _ limitNum];
}
}
// If a highlighted string exists, no text statistics and restrictions are imposed.
Else {
}
}
// Statistical restrictions can be directly imposed on Chinese input methods, regardless of other languages
Else {
If (toBeString. length> _ limitNum ){
TextView. text = [toBeString substringToIndex: _ limitNum];
}
}
NSLog (@ "% @", textView. text );
} Else {
}
}
# Pragma mark-keyboard listener
-(Void) keyboardWillShow :( NSNotification *) notification
{
// Obtain the keyboard height
NSDictionary * userInfo = [notification userInfo];
NSValue * aValue = [userInfo objectForKey: UIKeyboardFrameEndUserInfoKey];
CGRect keyboardRect = [aValue CGRectValue];
//-49
Self. frame = CGRectMake (0, CGRectGetHeight ([UIScreen mainScreen]. bounds)-keyboardRect. size. height-50, CGRectGetWidth (_ bottomView. frame), CGRectGetHeight (_ bottomView. frame ));
}
-(Void) keyboardWillHide :( NSNotification *) notification
{
//-49
Self. frame = _ rect;
}
@ End
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