完成 #838

1. 扩展标题上限至 25（服务器上限是 100）

优化：
1. keyboard 自动拉起
2. 启动时正确显示当前字数

YuMi/Modules/YMRoom/View/Setting/View/XPRoomSettingInputView.m

@@ -40,6 +40,7 @@
 - (instancetype)initWithFrame:(CGRect)frame {
 	self = [super initWithFrame:frame];
 	if (self) {
+        [self addNotification];
 		[self initSubViews];
 		[self initSubViewConstraints];
 	}
@@ -100,6 +101,7 @@
 
 #pragma mark - Event Response
 - (void)cancelButtonAction:(UIButton *)sender {
+    [self resignFirstResponder];
 	[TTPopup dismiss];
 	if (self.delegate && [self.delegate respondsToSelector:@selector(didClickCancel:)]) {
 		[self.delegate didClickCancel:self.type];
@@ -195,6 +197,8 @@
 		NSAttributedString * attribute = [[NSAttributedString alloc] initWithString:_placeHolder attributes:@{NSFontAttributeName:[UIFont systemFontOfSize:17],NSForegroundColorAttributeName: [DJDKMIMOMColor secondTextColor]}];
 		self.contentTextField.attributedText = attribute;
 	}
+    [self updateCount:placeHolder.length];
+    [self.contentTextField becomeFirstResponder];
 }
 
 - (void)setIsPwdError:(BOOL)isPwdError {

YuMi/Modules/YMRoom/View/Setting/View/XPRoomSettingViewController.m

@@ -234,7 +234,7 @@ XPRoomSettingItemModel * itemModel = [[self.datasource safeObjectAtIndex1:indexP
 		case RoomSettingItemType_Title:
 		{
 			XPRoomSettingInputView * titleView = [[XPRoomSettingInputView alloc] init];
-			titleView.maxCount = 15;
+			titleView.maxCount = 25;
 			titleView.delegate = self;
 			titleView.type = RoomSettingInputType_Title;
 			titleView.placeHolder = self.roomInfo.title;