Failed to install MainActivity.apk on device 'emulator-5554': timeoutLaunch canceled! 解决方法: window->preferences->Android->DDMS.把 ADB connection time out (ms):调大. 如把原来默认的值5000改为10000.即默认是5s改为10s.然后重启模拟器,之后用了一天没在出现上述问题.…
错误信息 : System.NotSupportedException: Unable to find the default constructor on type App5.MyFragment. Please provide the missing constructor. 错误图片: 解决方法:干脆不让他旋转屏幕,当下QQ.微信等app都没有旋转等功能,且旋转后重新绘制界面影响用户使用. this.RequestedOrientation = Android.Content.PM.Sc…