[英]Open Settings application on Unity iOS
I am in need of a way to make the user is taken to the Settings application to disable the multitasking gestures. 我需要一种使用户进入“设置”应用程序以禁用多任务手势的方法。 I know that in iOS 8 you can launch the Settings application programmatically through the URL in Objective-C: 我知道在iOS 8中,您可以通过Objective-C中的URL以编程方式启动“设置”应用程序:
NSURL * url = [NSURL URLWithString: UIApplicationOpenSettingsURLString];
But I do not know how to get this URL in Unity to use with Application.OpenURL() 但是我不知道如何在Unity中获取此URL以与Application.OpenURL()一起使用
You need to write a tiny iOS plugin for that, here is more information about it: http://docs.unity3d.com/Manual/PluginsForIOS.html 您需要为此编写一个微型iOS插件,此处是有关它的更多信息: http : //docs.unity3d.com/Manual/PluginsForIOS.html
And here is your solution, ask if something should be unclear. 这是您的解决方案,请问是否不清楚。
Script/Example.cs 脚本/ Example.cs
using UnityEngine;
public class Example
{
public void OpenSettings()
{
#if UNITY_IPHONE
string url = MyNativeBindings.GetSettingsURL();
Debug.Log("the settings url is:" + url);
Application.OpenURL(url);
#endif
}
}
Plugins/MyNativeBindings.cs 插件/ MyNativeBindings.cs
public class MyNativeBindings
{
#if UNITY_IPHONE
[DllImport ("__Internal")]
public static extern string GetSettingsURL();
[DllImport ("__Internal")]
public static extern void OpenSettings();
#endif
}
Plugins/iOS/MyNativeBindings.mm 插件/ iOS版/ MyNativeBindings.mm
extern "C" {
// Helper method to create C string copy
char* MakeStringCopy (NSString* nsstring)
{
if (nsstring == NULL) {
return NULL;
}
// convert from NSString to char with utf8 encoding
const char* string = [nsstring cStringUsingEncoding:NSUTF8StringEncoding];
if (string == NULL) {
return NULL;
}
// create char copy with malloc and strcpy
char* res = (char*)malloc(strlen(string) + 1);
strcpy(res, string);
return res;
}
const char* GetSettingsURL () {
NSURL * url = [NSURL URLWithString: UIApplicationOpenSettingsURLString];
return MakeStringCopy(url.absoluteString);
}
void OpenSettings () {
NSURL * url = [NSURL URLWithString: UIApplicationOpenSettingsURLString];
[[UIApplication sharedApplication] openURL: url];
}
}
Using idea of JeanLuc, I create a empty XCode project and print the string constant UIApplicationOpenSettingsURLString
and used in Unity with Application.OpenURL() to not have to use a plugin. 使用JeanLuc的想法,我创建了一个空的XCode项目,并打印字符串常量UIApplicationOpenSettingsURLString
并在Unity中与Application.OpenURL()一起使用,而不必使用插件。 Works very nice. 效果很好。
The value for constant UIApplicationOpenSettingsURLString
is: "app-settings:" (without quotas). 常量UIApplicationOpenSettingsURLString
值为:“ app-settings:”(无配额)。
Use: Application.OpenURL("app-settings:")
to open directly from unity 使用: Application.OpenURL("app-settings:")
直接从统一打开
WARNING: The use of hardcoded strings is dangerous and can break your code if Apple change the value of constant UIApplicationOpenSettingsURLString
. 警告:使用硬编码的字符串很危险,如果Apple更改常量UIApplicationOpenSettingsURLString
的值,则可能会破坏您的代码。 Its just a workaround while Unity does not add a constant for reference in C# code. 这只是一个变通方法,而Unity并未在C#代码中添加常量以供参考。
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