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What is 'Context' on Android?
...it simply:
As the name suggests, it's the context of current state of the application/object. It lets newly-created objects understand what has been going on. Typically you call it to get information regarding another part of your program (activity and package/application).
You can get the context...
How do I read from parameters.yml in a controller in symfony2?
I have put a couple of custom variables in my app/config/parameters.yml.
7 Answers
7
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How can I save my secret keys and password securely in my version control system?
... You could either keep all the sensitive setting files for multiple applications in one encrypted repository or add the encrypted repository with the sensitive settings to your project as a Git submodule as described here git-scm.com/book/en/Git-Tools-Submodules .
– dgh
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Remove/hide a preference from the screen
... i need completely hide one of the preferences from the screen based on my app state. There is a setEnabled method, but it's not exactly what i want. I want to remove that preference from the screen completely.
Is it possible ?
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When to call activity context OR application context?
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getApplicationContext() is almost always wrong. Ms. Hackborn (among others) have been very explicit that you only use getApplicationContext() when you know why you are using getApplicationContext() and only when you need to use ...
How can I handle time zones in my webapp?
... even better would be to save the timezone the device was set to when your app was first run, and then see if it ever changes. If it does change, then the user is probably a traveller and would probably benefit from having the timezone dropdown. Otherwise, just don't show the dropdown and default to...
Load local JSON file into variable
... content.json directly, it is invalid JSON. JSON keys and values must be wrapped in double quotes (" not ') unless the value is numeric, boolean, null, or composite (array or object). JSON cannot contain functions or undefined values. Below is your object as valid JSON.
{
"id": "whatever",
"nam...
VR硬件行业洗牌进行时 70%创业公司倒闭转行做内容 - 资讯 - 清泛网 - 专注C...
...要分发渠道，虽然各个厂商都为自家的产品开发了独立的APP，其实不同的眼镜和APP之间是可以互相兼容的，这便给山寨产品提供了滋生的空间。而与暴风魔镜等知名品牌相比，山寨厂商最大的优势在于成本控制。”
但可以预见...
Dialog to pick image from gallery or from camera
...g a photo. Just show a dialog with two options and upon selection, use the appropriate code.
To take picture from camera:
Intent takePicture = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
startActivityForResult(takePicture, 0);//zero can be replaced with any action code (called requestCode)
To p...
Detect whether there is an Internet connection available on Android [duplicate]
...signal, captive portals, content filters and the like can all prevent your app from reaching a server. For instance you can't tell for sure if your app can reach Twitter until you receive a valid response from the Twitter service.
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