在本文中,我们将详细介绍如何在标记内转义的各个方面,并为您提供关于pre标记的作用是的相关解答,同时,我们也将为您带来关于AndroidGoogleMapV2:如何在点击其他标记时更改以前点击的标记图
在本文中,我们将详细介绍如何在标记内转义
的各个方面,并为您提供关于pre标记的作用是的相关解答,同时,我们也将为您带来关于Android Google Map V2:如何在点击其他标记时更改以前点击的标记图标、android – 在Ksoap2中的标记内嵌套属性、angular – 如何在自定义组件内转换输入数据?、AngularJS – Google将ui-sref映射到标记内的有用知识。
- 如何在
标记内转义
(pre标记的作用是) - Android Google Map V2:如何在点击其他标记时更改以前点击的标记图标
- android – 在Ksoap2中的标记内嵌套属性
- angular – 如何在自定义组件内转换输入数据?
- AngularJS – Google将ui-sref映射到标记内
如何在标记内转义(pre标记的作用是)
我正在尝试写一篇博客文章,其中在<pre>
标签中包含一个代码段。该代码段包括一个通用类型,并用于<>
定义该类型。该段的外观如下:
<pre> PrimeCalc calc = new PrimeCalc(); Func<int, int> del = calc.GetNextPrime;</pre>
产生的HTML会删除<>
和,最终如下所示:
PrimeCalc calc = new PrimeCalc();Func del = calc.GetNextPrime;
我如何转义<>
它们以使它们显示在HTML中?
答案1
小编典典PrimeCalc calc = new PrimeCalc(); Func<int, int> del = calc.GetNextPrime;
Android Google Map V2:如何在点击其他标记时更改以前点击的标记图标
我有一个地图视图并在其上设置了一些标记.我想要的是当我点击一个标记时,它将其图标更改为一个不同的图标,当我点击另一个标记时,前一个标记的图标应该更改为其原始图标.
我所做的就是这样,但只要我点击标记就会改变标记图标.
@Override public boolean onMarkerClick(Marker marker) { //Called when a marker has been clicked or tapped. LatLng markerPos=marker.getPosition(); String markerLocationName=marker.getTitle(); String markerSubCategoryName=marker.getSnippet(); marker.remove(); MarkerOptions markerOptions = new MarkerOptions().position(markerPos) .title(markerLocationName) .snippet(markerSubCategoryName) .icon(BitmapDescriptorFactory.fromresource(R.drawable.new_icon));// Changing marker icon mMap.addMarker(markerOptions); Log.d("marker","change marker icon"); // can open a dialog window here return false; }
因此,如果我单击2个标记,我将显示2个新图标,同时我想要的只是当前单击的标记更改其图标.
所以我也做了类似的事情,增加了2行代码.它成功地做了我想要的但它有一些缺点(见下文).
@Override public boolean onMarkerClick(Marker marker) { //Called when a marker has been clicked or tapped. mMap.clear(); populateallMarkersOnMap();//repopulate markers on map LatLng markerPos=marker.getPosition(); String markerLocationName=marker.getTitle(); String markerSubCategoryName=marker.getSnippet(); marker.remove(); //remove the current clicked marker MarkerOptions markerOptions = new MarkerOptions().position(markerPos) .title(markerLocationName) .snippet(markerSubCategoryName) .icon(BitmapDescriptorFactory.fromresource(R.drawable.new_icon));// Changing marker icon mMap.addMarker(markerOptions); //add marker with new icon into map return false; }
缺点是1 /它“禁用”信息窗口(同样的事情也发生在第一种方式). 2 /它清除地图上的所有标记并再次设置所有标记.想象一下,我有100个标记,如果每次点击都会出现性能问题吗?
populateallMarkersOnMap()目前可以像这样简单:
private void populateallMarkersOnMap(){ setMarker(latA1,lonA1,"A1","A1.1"); setMarker(latA2,lonA2,"A2","A2.1"); // ... (100 times or populated via a loop) };
那么当我点击新标记时,有没有办法让以前点击的标记将其图标更改回默认值?为我的英语道歉,如果你认为我应该为我的问题添加另一个标题,请帮忙.
解决方法
@Override public boolean onMarkerClick(Marker marker) { //Called when a marker has been clicked or tapped. if(prevIoUsMarker!=null){ prevIoUsMarker.setIcon(BitmapDescriptorFactory.fromresource(R.drawable.dot_icon)); } marker.setIcon(BitmapDescriptorFactory.fromresource(R.drawable.ct_icon)); prevIoUsMarker=marker; //Now the clicked marker becomes prevIoUsMarker return false; }
android – 在Ksoap2中的标记内嵌套属性
嗨我想使用上面的肥皂xml请求肥皂
<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:urn="urn:sap-com:document:sap:soap:functions:mc-style">
<soapenv:Header/>
<soapenv:Body>
<urn:AvailCheck>
<IUvail>
<Unit>PC</Unit>
<Qty>3000</Qty>
</IUvail>
</urn:AvailCheck>
</soapenv:Body>
</soapenv:Envelope>
所以我使用ksoap库创建了一个代码.我为soapobject创建了一个对象
SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME);
并添加了这样的属性
request.addProperty("Unit", "PC");
request.addProperty("Qty", "3000");
但问题是我无法添加< IUvail>在requset ..所以我怎么能添加这个?
解决方法:
你可以像这样传递一个复杂的对象(IUvail):
IUvail.java
import java.util.Hashtable;
import org.ksoap2.serialization.KvmSerializable;
import org.ksoap2.serialization.PropertyInfo;
import org.ksoap2.serialization.soapObject;
public class IUvail implements KvmSerializable {
private String unit;
private int qty;
public IUvail() {}
public IUvail(String unit, int qty) {
this.unit = unit;
this.qty = qty;
}
public void setUnit(String unit) { this.unit = unit; }
public void setQty(int qty) { this.qty = qty;}
public String getUniy() { return unit;}
public int getQty() { return qty;}
public Object getProperty(int arg0) {
switch(arg0) {
case 0:
return unit;
case 1:
return qty;
}
return null;
}
public int getPropertyCount() {
return 2;
}
public void getPropertyInfo(int index, Hashtable arg1, PropertyInfo propertyInfo) {
switch(index){
case 0:
propertyInfo.name = "unit";
propertyInfo.type = PropertyInfo.STRING_CLASS;
break;
case 1:
propertyInfo.name = "qty";
propertyInfo.type = PropertyInfo.INTEGER_CLASS;
break;
default:
break;
}
}
public void setProperty(int index, Object value) {
switch(index) {
case 0:
this.unit = value.toString();
break;
case 1:
this.qty = Integer.parseInt(value.toString());
break;
default:
break;
}
} }
然后
SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME);
IUvail iuvail = new IUvail();
iuvail.setUnit("PC");
iuvail.setQty(3000);
request.addProperty("IUvail", iuvail);
SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(
SoapEnvelope.VER11);
envelope.dotNet = true;
envelope.setoutputSoapObject(request);
envelope.addMapping(TARGET_NAMESPACE, "IUvail", new IUvail.getClass());
AndroidHttpTransport transport = new AndroidHttpTransport(URL);
try {
transport.call(NAMESPACE + METHOD_NAME, envelope);
/* Get the response: it depends on your web service implementation */
} catch (Exception e) {
e.printstacktrace();
}
NAMESPACE,URL,METHOD_NAME和TARGET_NAMESPACE取决于您的ws.
angular – 如何在自定义组件内转换输入数据?
@Component({ selector: 'my-selector',inputs: ['data'],moduleId: module.id,template: '<p>{{transformedData}}</p>' }) export class MyComponent { public transformedData: string; @input() public data: string; // How to call this event on "data" change? public someEvent() { this.transformedData = this.data + '!'; } }
如何在数据更改时调用someEvent()?
解决方法
export class MyComponent { public transformedData: string; @input() public data: string; ___________________________________________________________________________________________ // EDIT: you can also do it. Not necessary but can be done this way too. // Note: If you go with this approach,you don't need to use onchanges hook and don't require above @Input public data line. @input() set data(data:string) console.log(data); this.someEvent(); } ____________________________________________________________________________________________ ngOnChanges(...args: any[]) { console.log(args); this.someEvent(); } // How to call this event on "data" change? public someEvent() { this.transformedData = this.data + '!'; } }
AngularJS – Google将ui-sref映射到标记内
this.setMarker = function (item,map) { var position = new google.maps.LatLng(item.loc[1],item.loc[0]); bounds.extend(position); var marker = new google.maps.Marker({ map: map,position: position,title: item.name,icon: iconBase + 'basic_pin.png' }); marker.content = '<div>' + '<div>' + item.user.name + '</div>' + '<div>' + '<dl>' + '<dt>created:</dt>' + '<dd>' + $filter('dateFormat')(item.created_at) +'</dd>' + '<dt>tracks:</dt>' + '<dd>' + item.tracks.length + '</dd>' + '<dt>type:</dt>' + '<dd>' + utilsFactory.getPlaylistType(item.settings.is_private,item.settings.is_yooBox,item.settings.is_locked) + '</dd>' + '</dl>' + '</div>' + '<div> ' + '<a ui-sref="detailSite({playlistID: item._id})" ng-show="false">play</a>' + '</div>'+ '</div>'; return marker; };
问题在于ui-sref与其他角度指令不同.有谁知道这个解决方案?
解决方法
marker.content = '<div>' + '<div>' + item.user.name + '</div>' + '<div>' + '<dl>' + '<dt>created:</dt>' + '<dd>' + $filter('dateFormat')(item.created_at) +'</dd>' + '<dt>tracks:</dt>' + '<dd>' + item.tracks.length + '</dd>' + '<dt>type:</dt>' + '<dd>' + utilsFactory.getPlaylistType(item.settings.is_private,item.settings.is_locked) + '</dd>' + '</dl>' + '</div>' + '<div> ' + '<a ui-sref="detailSite({playlistID: item._id})" ng-show="false">play</a>' + '</div>'+ '</div>'; var compiledContent = $compile(marker)($scope); return compiledContent[0];
文档在这里$compile
今天关于如何在标记内转义
和pre标记的作用是的介绍到此结束,谢谢您的阅读,有关Android Google Map V2:如何在点击其他标记时更改以前点击的标记图标、android – 在Ksoap2中的标记内嵌套属性、angular – 如何在自定义组件内转换输入数据?、AngularJS – Google将ui-sref映射到标记内等更多相关知识的信息可以在本站进行查询。
本文标签: