sdk

问题 I use Android Studio to run my app on my phone and it runs fine. But the application itself is never installed... There is no icon for it in the menu. I have to "run" any time I want to test my app. I am presented with no errors. I believe there is an issue with my manifest. What am I doing wrong here?: <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="jb854.eda.kent.ac.uk.edanews"> <uses-feature android:name="android.software

问题 I need a method to convert a UIImage in a NSString and then convert the NSString back to a UIImage. Thanks. 回答1: for >= IOS 7 - (NSString *)imageToNSString:(UIImage *)image { NSData *imageData = UIImagePNGRepresentation(image); return [imageData base64EncodedStringWithOptions:NSDataBase64Encoding64CharacterLineLength]; } - (UIImage *)stringToUIImage:(NSString *)string { NSData *data = [[NSData alloc]initWithBase64EncodedString:string options:NSDataBase64DecodingIgnoreUnknownCharacters];

问题 I am trying to use the Android Facebook SDK - but with no luck. The problem is that the Facebook Login window starts loading, but before anything happens it disappears. This is the behaviour on an actual device, on the emulator all is good. What I have done: downloaded the SDk from here added the java files to my project. created a facebook application. Got the Key Hash value and updated my facebook app. But I cant get the Login window to appear. I dont see any error on the logcat, only this:

问题 I am trying to sort an array of prices from low to high. I have it working but not the way I want it to. Long story short, the sorter is putting numbers in order like this: 100 10900 200 290 instead of sorting like this 100 200 290 10900 here is my code I am doing this with. -(void)filterPriceLowHigh { NSSortDescriptor *sortDescriptor; sortDescriptor = [[[NSSortDescriptor alloc] initWithKey:@"ListPrice" ascending:YES] autorelease]; NSArray *sortDescriptors = [NSArray arrayWithObject

问题 I am currently trying to get the new build system for android (http://tools.android.com/tech-docs/new-build-system/using-the-new-build-system) to work. Therefore I created a build.gradle file with the following contents: apply plugin: 'android' android { compileSdkVersion 15 target='android-15' defaultConfig { targetSdkVersion 15 minSdkVersion 8 versionCode 10 } sourceSets { main { manifest { srcFile 'AndroidManifest.xml' } } } } repositories { mavenCentral() } dependencies { compile 'com

问题 I'm having the following problem with the parse iOS SDK. In my app users can login using email (username)/password or facebook. When they use facebook the email (username) gets set automatically. But if the user logs in using email/password first and after logging out tries to login using facebook they get a duplicate account. My goal in this scenario is to link facebook to the previous account. Is there a way to check if the potential new user's email exist in parse database before creating

问题 Most of the jars of Android SDKs are now in maven central, but none of the Google Api versions of SDKs. Do you know why ? Is there any restriction to add them ? Update : I am not looking for a workaround (like adding them locally to my repo). 回答1: It is prohibited by Android SDK EULA: 1.1 The Android Software Development Kit (referred to in this License Agreement as the "SDK" and specifically including the Android system files, packaged APIs, and Google APIs add-ons) is licensed to you

问题 I am developing a location based Q&A SDK for mobile devices. When a question is asked about a specific location, the server side targets the most relevant user and sends the question to that user. If the user fails to answer, the question is sent to the second best user, and so on. The problem is that my SDK might be installed on more than one application on the device, meaning that the user can get a question more than once. Is there a way to detect whether my SDK is installed on more than

问题 I update the ADT, and reinstall android SDK. After that I try to run a program, but it does not work. console output is like below: Dx warning: Ignoring InnerClasses attribute for an anonymous inner class org.apache.commons.httpclient.HttpMethodBase$1 that doesn't come with an associated EnclosingMethod attribute. This class was probably produced by a compiler that did not target the modern .class file format. The recommended solution is to recompile the class from source, using an up-to-date

问题 I am developing an IOS Framework with several functionalities, and I would like to add push notification services. I created my own push notification service using Easy APNS. I do not know how to deal with others apps when They integrated my SDK. I mean, I do not know, if they have to send me their distribution certificates, and I can add them in my push notifications service, or If I need to integrate something in their push notification servie. I do not know how to deal with a Framework