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Develop Android app using C#

Is it possible to write an android app using C#? Is there an API or something? Is it free for personal and commercial development? ...
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Jar Mismatch Found 2 versions of android-support-v4.jar in the dependency list

I am trying to create 2 versions of an Android app (free/paid). I have an Android Library that contains files common to both. I created a new Android project and am trying to use the Library but get the error below: ...
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ios app maximum memory budget

... depends on many things: what iOS version you're using (not SDK), how many applications running in background, what exact memory you're using etc. Just avoid the instant memory splashes (e.g. you're using 40 Mb of RAM, and then allocating 80 Mb's more for some short computation). In this case iOS w...
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How to prevent multiple instances of an Activity when it is launched with different Intents

I've come across a bug in my application when it is launched using the "Open" button on the Google Play Store app (previously called Android Market). It seems that launching it from the Play Store uses a different Intent than launching it from the phone's application menu of icons. This is leadi...
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How do I make a Mac Terminal pop-up/alert? Applescript?

... Use osascript. For example: osascript -e 'tell app "Finder" to display dialog "Hello World"' Replacing “Finder” with whatever app you desire. Note if that app is backgrounded, the dialog will appear in the background too. To always show in the foreground, use “Sy...
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argparse: identify which subparser was used [duplicate]

...mands') # all all_parser = subparsers.add_parser('all', help='process all apps') all_parser.set_defaults(which='all') # app app_parser = subparsers.add_parser('app', help='process a single app') app_parser.add_argument('appname', action='store', help='name of app to process') app_parser.set_defaul...
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LibStatusBar icon disappears on 3rd-party app launch

...orks fine on the home screen and when SpringBoard is launched, also, if an app is already launched then it works fine, however, if an app (such as Facebook or Twitter) is closed (completely) and the icon is showing, when launching the app, it will cause the icon to disappear. The icon is displayed u...
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街头扫二维码安全吗?民警:可致个人信息泄露 - 资讯 - 清泛网 - 专注C/C++...

...得小礼品 “一个不大的展台,在推销一款叫做借贷宝的app。”张女士说,注册这款app,需绑定手机号。领完玩具后,她立即取消了对这款app的关注。但让她感到不踏实的是,身份证号、手机号码等重要信息都登录在app上了。“...
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nFC Connect低功耗蓝牙APP工具的使用 - 创客硬件开发 - 清泛IT社区,为创新赋能!

nRF Connect是一款由NORDIC开发的专门用于低功耗蓝牙测试APP,仅支持安卓平台。这款APP可以扫描和探索低功耗蓝牙设备,并与它们进行通信。它支持许多蓝牙 SIG 采用的配置文件,以及Nordic Semiconductor或Google的Eddystone的设备固件更新...
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Screenshot Apps for iPhone simulator [closed]

I was wondering if there are any good recommendations on apps that takes screenshots of the iPhone simulator. I've tried apps like iPhone screenshot cropper but I'm looking for something that will allow me to make larger images. For example large enough to put on a poster. Any suggestions? ...