xamarin.android

问题 I have a Xamarin.Android project that hangs when attempting to build the solution in Release configuration. I've narrowed it down to an issue with the linker - if the linker is switched off, it all builds fine. I've done the build with higher verbosity and even using msbuild from the command line (which suggests it's not an IDE problem), the result is the same. The build output just up to the point where it hangs reads: Target _LinkAssembliesShrink: Building target "_LinkAssembliesShrink"

问题 I'm trying to implement an incredibly basic use of SQLite. I have a Button and an EditText . I want to store the contents of the EditText OnClick . I'm following this: https://developer.xamarin.com/guides/android/application_fundamentals/data/part_3_using_sqlite_orm/ and https://developer.xamarin.com/guides/xamarin-forms/application-fundamentals/databases/ I cannot get passed the following starting code without getting the subsequent errors: var db = new SQLiteConnection (dbPath); Error: The

问题 I am attempting to match a design like this.. Notice that the "selected tab color tint" is a blue, but the center tab's icon should always be the green circle with the white clock in the middle. I've tried a number of things. First trying to do it programmatically by using a layer-list XML resource that had the green circle and clock PNG resource, which didn't work at all. Then I just got the designer to give me the full icon(clock and green circle), but now I'm running into this issue..

问题 I am attempting to match a design like this.. Notice that the "selected tab color tint" is a blue, but the center tab's icon should always be the green circle with the white clock in the middle. I've tried a number of things. First trying to do it programmatically by using a layer-list XML resource that had the green circle and clock PNG resource, which didn't work at all. Then I just got the designer to give me the full icon(clock and green circle), but now I'm running into this issue..

问题 I have a Mobile App built with Xamarin.Forms when I am trying to upgrade my project from VS2017 to VS2019 I get this error in Android Project Invalid value 'armeabi' in $(AndroidSupportedAbis). This ABI is no longer supported. Please update your project properties I tried to delete bin and obj folders to force the project to rebuild everything, but the error still appears Can I get an explanation about the error above and how to solve it? Note: the error doesn't appear in VS2017 回答1: armeabi

问题 I have a Mobile App built with Xamarin.Forms when I am trying to upgrade my project from VS2017 to VS2019 I get this error in Android Project Invalid value 'armeabi' in $(AndroidSupportedAbis). This ABI is no longer supported. Please update your project properties I tried to delete bin and obj folders to force the project to rebuild everything, but the error still appears Can I get an explanation about the error above and how to solve it? Note: the error doesn't appear in VS2017 回答1: armeabi

问题 Im using this code on the android 8 and below but on Android version 9+ its not working. MediaPlayer player3; player3 = new MediaPlayer(); player3.SetDataSource(url); player3.SetAudioStreamType(Stream.Music); player3.Completion += mediaPlayer_Completion; player3.PrepareAsync(); player3.Start(); EDIT: Im trying to reproduce a audio stream link. The player doesn't do anything. The same code it works fine on another android versions. 回答1: After Android 9 (API level 28), cleartext support is

问题 Im using this code on the android 8 and below but on Android version 9+ its not working. MediaPlayer player3; player3 = new MediaPlayer(); player3.SetDataSource(url); player3.SetAudioStreamType(Stream.Music); player3.Completion += mediaPlayer_Completion; player3.PrepareAsync(); player3.Start(); EDIT: Im trying to reproduce a audio stream link. The player doesn't do anything. The same code it works fine on another android versions. 回答1: After Android 9 (API level 28), cleartext support is