contentproperty

问题 I would like to simplify the addition of dialog popups in my code to the absolute minimum needed. Currently I have this code: <pages:PopupPage x:Class="Test.Popup" xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" xmlns:pages="clr-namespace:Rg.Plugins.Popup.Pages;assembly=Rg.Plugins.Popup"> <ContentView HorizontalOptions="FillAndExpand" VerticalOptions="FillAndExpand"> <t:PopupFrame> <Label Text="ABC" /> <Label Text="ABC" /> </t:PopupFrame> <

问题 Here's the C# template code I have: public class PopupFrame : Frame { public PopupFrame() { this.SetDynamicResource(BackgroundColorProperty, "PopUpBackgroundColor"); this.SetDynamicResource(CornerRadiusProperty, "PopupCornerRadius"); HasShadow = true; HorizontalOptions = LayoutOptions.FillAndExpand; Padding = 0; VerticalOptions = LayoutOptions.Center; } } I am using it like this: <t:PopupFrame> <StackLayout HorizontalOptions="FillAndExpand" VerticalOptions="FillAndExpand"> <t:PopupHeader Text

问题 How can I insert the Google Material Icon "chevron icon right" (https://design.google.com/icons/#ic_chevron_right) in the following CSS content property: .bullet li a:before { content: ""; } 回答1: Update on 2018 Google removed the codes which were displayed earlier for IE9 and below. To get the codes visit the codepoints file in the GitHub repository. Link to codepoints in GitHub repository: https://github.com/google/material-design-icons/blob/master/iconfont/codepoints Step 1: Include the

问题 How can I insert the Google Material Icon "chevron icon right" (https://design.google.com/icons/#ic_chevron_right) in the following CSS content property: .bullet li a:before { content: ""; } 回答1: Update on 2018 Google removed the codes which were displayed earlier for IE9 and below. To get the codes visit the codepoints file in the GitHub repository. Link to codepoints in GitHub repository: https://github.com/google/material-design-icons/blob/master/iconfont/codepoints Step 1: Include the

问题 I'm trying to get all contacts of a specific type from the phone like following: Cursor cursor = context.getContentResolver().query( ContactsContract.RawContacts.CONTENT_URI, null, ContactsContract.RawContacts.ACCOUNT_TYPE + "='com.whatsapp'", null, ContactsContract.RawContacts.CONTACT_ID + " ASC"); But this line already throws an exception (custom rom, nougat => maybe it's related to this?). I only got this error from one user yet and I'm stuck here, does anyone know how to solve that? Is