Empty chat input fix

CHANGELOG.md

@@ -1,14 +1,20 @@
 # Change Log
+
 Changelog for Critical Maps iOS
 
 ## [UNRELEASED]
 
 ### Added
 - Message Notification Bubble
 
+### Fixed
+- Users can not send empty chat messages anymore.
+
 ## [3.0.0] - 2019-04-18
 
+
 ### Changed
+
 - Complete Redesign
 - Migrate map page to Swift
 - Migrate rules page to Swift
@@ -18,69 +24,94 @@ Changelog for Critical Maps iOS
 - New navigation
 
 ### Added
+
 - Swift bridge
 - Tests
 
 ## [2.5.1]
+
 ### Fixed
+
 - Modern devices support
 
 ## [2.5.0]
+
 ### Added
+
 - italian translations
 
 ### Changed
+
 - allow observing if GPS is disabled
 - english translations
 
 ### Updated
+
 - XCode project to recommend settings
 - AFNetworking
 - Appirater
 - SDWebImage
 
 ## [2.4.0] - 2017-08-01
+
 ### Changed
-- less bike symbol opacity 
+
+- less bike symbol opacity
 
 ## [2.3.0] - 2017-07-02
+
 ### Changed
+
 - switch back to api.criticalmaps.net
 
 ### Removed
+
 - Travis
 
 ## [2.2.1] - 2017-06-07
+
 ### Fixed
+
 - intended purpose of using the user's location while the app is in the background (NSLocationAlwaysUsageDescription)
 
 ## [2.2.0] - 2017-06-06
+
 ### Changed
+
 - temporary API url
 
 ### Updated
-- SDWebImage 
+
+- SDWebImage
 - Appirater 2.1.2 (was 2.0.5)
 - STTwitter 0.2.6 (was 0.2.5)
 
 ## [2.1.0] - 2016-09-24
+
 ### Added
+
 - Changelog
 
 ### Changed
+
 - Update pods
 - Remove parse
 - Change title on map screen to "Critical Maps"
 
 ### Fixed
+
 - Podfile
 
 ## [2.0.1] - 2016-04-10
+
 ### Updated
+
 - pods
 
 ## [2.0.0] - 2016-01-15
+
 ### Changed
+
 - redesign by zutrinken
 
 previous versions are not tracked

CriticalMass/ChatInputView.swift

@@ -22,6 +22,7 @@ class ChatInputView: UIView, UITextFieldDelegate {
         textField.insets = UIEdgeInsets(top: 0, left: 16, bottom: 0, right: 16)
         textField.enablesReturnKeyAutomatically = true
         textField.returnKeyType = .send
+        textField.addTarget(self, action: #selector(textFieldDidChange(_:)), for: .editingChanged)
         return textField
     }()
 
@@ -31,7 +32,10 @@ class ChatInputView: UIView, UITextFieldDelegate {
         button.setTitle(NSLocalizedString("chat.send", comment: ""), for: .normal)
         button.setTitleColor(.chatInputSendButton, for: .normal)
         button.setTitleColor(UIColor.chatInputSendButton.withAlphaComponent(0.4), for: .highlighted)
+        button.setTitleColor(UIColor.chatInputSendButton.withAlphaComponent(0.4), for: .disabled)
         button.translatesAutoresizingMaskIntoConstraints = false
+        button.addTarget(self, action: #selector(didTapSendButton), for: .touchUpInside)
+        button.isEnabled = false
         return button
     }()
 
@@ -59,7 +63,7 @@ class ChatInputView: UIView, UITextFieldDelegate {
         addSubview(separator)
 
         textField.delegate = self
-        button.addTarget(self, action: #selector(didTapSendButton), for: .touchUpInside)
+
         configureConstraints()
     }
 
@@ -99,7 +103,13 @@ class ChatInputView: UIView, UITextFieldDelegate {
     override func resignFirstResponder() -> Bool {
         return textField.resignFirstResponder()
     }
-
+
+    @objc
+    func textFieldDidChange(_ textField : UITextField){
+        if let text = textField.text {
+            button.isEnabled = !text.isEmpty
+        }
+    }
     // MARK: UITextFieldDelegate
 
     func textFieldShouldReturn(_ textField: UITextField) -> Bool {