移动开发问题

API key for GCM is suddenly invalid? Unauthorized (401) error(GCM 的 API 密钥突然无效?未经授权的 (401) 错误)
Android Push Notifications: Icon not displaying in notification, white square shown instead(Android推送通知:通知中未显示图标,而是显示白色方块)
Is it possible to send PushNotifications, using Firebase Cloud Messaging (FCM) to special UDID, directly from device?(是否可以直接从设备使用 Firebase 云消息传递 (FCM) 将 PushNotifications 发送到特殊的 UDID?) - IT屋-程序员软件开发技术分享社
How to send one to one message using Firebase Messaging(如何使用 Firebase 消息传递一对一消息)
How to handle notification when app in background in Firebase(Firebase中应用程序在后台时如何处理通知)
Add button on top of UITableViewController (Swift)(在 UITableViewController (Swift) 顶部添加按钮)
How to pass a #39;tap#39; to UIButton that is underneath UIView with UISwipeGestureRecognizer?(如何使用 UISwipeGestureRecognizer 将“点击传递给 UIView 下方的 UIButton?)
UIButton background color becomes white when running on iOS6(在iOS6上运行时UIButton背景颜色变为白色)
Objective c - Best practice to handle a button touch event for a button of a custom UITableViewCell(Objective c - 为自定义 UITableViewCell 的按钮处理按钮触摸事件的最佳实践)
How to get the current Title of a button in Swift 3.0 , ios using sender.titleForState(.Normal)!(如何获取 Swift 3.0 中按钮的当前标题,ios 使用 sender.titleForState(.Normal)!)
UIButton targets not working if a UIView is added as a subview(如果将 UIView 添加为子视图,则 UIButton 目标不起作用)
Rotate UIButton 360 degrees(旋转 UIButton 360 度)