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[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);
}
我試圖使用以下代碼實現它。
[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);
}
}
我想使用兩個Nuget包並顯示用戶顯示位置權限的彈出窗口。 請提供寶貴的建議。
請求權限是操作系統要求,與ZXing或任何庫無關。
現在,如果您查看PermissionsPlugin的 Github,您將在那里找到所有答案
當前活動插件是此包正常工作的必備條件,也始終將所需權限添加到iOS的info.plist
中。
然后你要求許可這樣的事情:
var status = await CrossPermissions.Current.CheckPermissionStatusAsync<LocationPermission>();
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