![](/img/trans.png)
[英]How can I use set Environment Variables in Xamarin.Forms from App Center
[英]How i can use permissionplugin with zxing nuget pkg in xamarin.forms app?
在 “jamesmontemagno” 中的permissionplugin pkg中提到的 OnRequestPermissionsResult
public override void OnRequestPermissionsResult(int requestCode, string[] permissions, [GeneratedEnum] Android.Content.PM.Permission[] grantResults)
{
PermissionsImplementation.Current.OnRequestPermissionsResult(requestCode, permissions, grantResults);
base.OnRequestPermissionsResult(requestCode, permissions, grantResults);
}
在Zxing pkg中提到OnRequestPermissionsResult
public override void OnRequestPermissionsResult(int requestCode, string[] permissions, Permission[] grantResults)
{
global::ZXing.Net.Mobile.Android.PermissionsHandler.OnRequestPermissionsResult(requestCode, permissions, grantResults);
}
我试图使用以下代码实现它。
[Activity(Label = "BarcodeScanning", Icon = "@mipmap/icon", Theme = "@style/MainTheme", MainLauncher = true, ConfigurationChanges = ConfigChanges.ScreenSize | ConfigChanges.Orientation, ScreenOrientation = ScreenOrientation.Portrait | ScreenOrientation.Landscape)]
public class MainActivity : global::Xamarin.Forms.Platform.Android.FormsAppCompatActivity
{
protected override void OnCreate(Bundle savedInstanceState)
{
TabLayoutResource = Resource.Layout.Tabbar;
ToolbarResource = Resource.Layout.Toolbar;
base.OnCreate(savedInstanceState);
Plugin.CurrentActivity.CrossCurrentActivity.Current.Init(this, savedInstanceState);
ZXing.Net.Mobile.Forms.Android.Platform.Init();
global::Xamarin.Forms.Forms.Init(this, savedInstanceState);
LoadApplication(new App());
}
public override void OnRequestPermissionsResult(int requestCode, string[] permissions, Permission[] grantResults)
{
global::ZXing.Net.Mobile.Android.PermissionsHandler.OnRequestPermissionsResult(requestCode, permissions, grantResults);
PermissionsImplementation.Current.OnRequestPermissionsResult(requestCode, permissions, grantResults);
base.OnRequestPermissionsResult(requestCode, permissions, grantResults);
}
}
我想使用两个Nuget包并显示用户显示位置权限的弹出窗口。 请提供宝贵的建议。
请求权限是操作系统要求,与ZXing或任何库无关。
现在,如果您查看PermissionsPlugin的 Github,您将在那里找到所有答案
当前活动插件是此包正常工作的必备条件,也始终将所需权限添加到iOS的info.plist
中。
然后你要求许可这样的事情:
var status = await CrossPermissions.Current.CheckPermissionStatusAsync<LocationPermission>();
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.