移动开发问题

Android - GCM server key is not working with Urban Airship(Android - GCM 服务器密钥不适用于 Urban Airship)
Push notifications with Firebase and Swift(使用 Firebase 和 Swift 推送通知)
Google-services.json : What goes in the #39;api_key#39; section to enable Firebase push notifications?(Google-services.json:“api_key部分中有什么内容可以启用 Firebase 推送通知?)
When device screen off then how to handle firebase notification?(当设备屏幕关闭时,如何处理 Firebase 通知?)
When is FirebaseInstanceId.getInstance().getToken() = null?(FirebaseInstanceId.getInstance().getToken() = null 什么时候?)
UIButton title text color(UIButton 标题文本颜色)
Stretch background image for UIButton(为 UIButton 拉伸背景图像)
Using Tint color on UIImageView(在 UIImageView 上使用 Tint 颜色)
How can I change UIButton title color?(如何更改 UIButton 标题颜色?)
Minimum sensible button size on iPhone(iPhone 上的最小合理按钮大小)
iPhone UIButton - image position(iPhone UIButton - 图像位置)
UIButton remove all target-actions(UIButton 删除所有目标动作)