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为AppInventor2开发自己的拓展(Extension) - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
...dManager;import android.content.Intent;import android.content.res.AssetFileDescriptor;import android.net.Uri;import com.google.appinventor.components.annotations.DesignerComponent;import com.google.appinventor.components.annotations.DesignerProperty;import com.google.appinventor.components.annotatio...
Get User's Current Location / Coordinates
...ngitude)")
}
In the info.plist you will have to add NSLocationAlwaysUsageDescription
and your custom alert message like; AppName(Demo App) would like to use your current location.
share
|
improve ...
How to draw a path on a map using kml file?
...cemark p = (Placemark)iter.next();
s += p.getTitle() + "\n" + p.getDescription() + "\n\n";
}
return s;
}
public void addCurrentPlacemark() {
placemarks.add(currentPlacemark);
}
public ArrayList<Placemark> getPlacemarks() {
return placemarks;
}
public void setPlacemar...
How to get the name of enumeration value in Swift?
...ach of these scenarios:
extension City: CustomStringConvertible {
var description: String {
return "City \(rawValue)"
}
}
print(city)
// prints "City 1"
extension City: CustomDebugStringConvertible {
var debugDescription: String {
return "City (rawValue: \(rawValue))"
...
A complete solution to LOCALLY validate an in-app receipts and bundle receipts on iOS 7
...ionError: Error {
case receiptNotFound
case jsonResponseIsNotValid(description: String)
case notBought
case expired
}
Then let's create the function that validates the receipt, it will throws an error if it's unable to validate it.
func validateReceipt() throws {
guard let ap...
地图组件（高德地图） · App Inventor 2 中文网
...征的 可见性 属性值）。此列表还包含通过调用 FeatureFromDescription 在 地图 上创建的所有特征点。
高度
设置地图的垂直高度，以像素px为单位。
高度百分比
设置地图的垂直高度相对于整个屏幕高度的百分比。
纬度
获取...
Provide an image for WhatsApp link sharing
...r keyword rich title of the website and/or webpage</title>
Step 2: description
Maximum of 155 characters
<meta name="description" content="description of your website/webpage, make sure you use keywords!">
Step 3: og:title
Maximum 35 characters
<meta property="og:title" content="s...
What are best practices for multi-language database design? [closed]
... : varchar (e.g. "en-US", "de-CH")
IsDefault : bit
ProductDescription : nvarchar
<any other localized data>
With this approach, you can handle as many languages as needed (without having to add additional fields for each new language).
Update (2014-12-14): please have a l...
Create a shortcut on Desktop
...
With additional options such as hotkey, description etc.
At first, Project > Add Reference > COM > Windows Script Host Object Model.
using IWshRuntimeLibrary;
private void CreateShortcut()
{
object shDesktop = (object)"Desktop";
WshShell shell = new...
Reference one string from another string in strings.xml?
...tring name="app_name">&appname;</string>
<string name="description">The &appname; app was created by &author;</string>
</resources>
UPDATE:
You can even define your entity globaly e.g:
res/raw/entities.ent:
<!ENTITY appname "MyAppName">
<!ENTI...