You shouldn’t do that, you shouldn’t force the users to keep data on their phones without their consent. Anyway, application data directory will be deleted after uninstall, but NOT after an update The only way to have persistent data is to use the SD card, but again, users won’t like to have the data on … Read more
You can always access the directory in which your app is placed. This directory is usually : data/data/<Your_package_name_usually com.android.appName>/files/<your_filename> but better use getFilesDir() to ensure valid filepath with future version changes of android. If you wanna use external storage instead, make sure you place this line of code in your app manifest to gain permission. … Read more
When I use /storage/sdcard0/ on them the code runs successfully but when I use Galaxy Nexus 3 the code fails. /storage/sdcard0/ is not internal storage. It is external storage. (BTW, since there is no device named “Galaxy Nexus 3”, I am assuming that you simply meant “Galaxy Nexus”) To find locations on internal storage for … Read more
Putting all of those images in your database will make it very, very large. This means your DB engine will be busy caching all those images (a task it’s not really designed for) when it could be caching hot application data instead. Leave the file caching up to the OS and/or your reverse proxy – … Read more
SharedPreferences are written to xml files, so the maximum size of a file on Android is how large a SharedPreferences xml file can be. I can safely say that 40 integer values will not be a problem. The maximum size of a value in a SharedPreferences file is limited to the maximum size of the … Read more
it is packaged with your binary — by packaged I mean hard-wired, so yes you can return it and use it elsewhere — you won’t be able to alter it though, and I strongly suggest you declare it as: const char * x = “hello world”;
iOS 11 Update The answers given below no longer provide accurate results under iOS 11. There are new volume capacity keys that can be passed to URL.resourceValues(forKeys:) that provide values that match what is available in device settings. static let volumeAvailableCapacityKey: URLResourceKey Key for the volume’s available capacity in bytes (read-only). static let volumeAvailableCapacityForImportantUsageKey: URLResourceKey … Read more
I finally solved this . Below i give some code for anyone who wants to know how to take screenshots of a layout ,pictures from the camera without intent, screenshots(sort of) of the content of a surfaceView and save the screen shot in a folder : public class Cam_View extends Activity implements SurfaceHolder.Callback { protected … Read more
Known limits There are multiple repo size limits which apply. Soft limit As of 2023, as per the docs, this is 5 GB. If you exceed this limit, is possible that you will receive an email from GitHub Support. We recommend repositories remain small, ideally less than 1 GB, and less than 5 GB is … Read more
You should use ContextWrapper like this: ContextWrapper cw = new ContextWrapper(context); File directory = cw.getDir(“media”, Context.MODE_PRIVATE); As always, refer to documentation, ContextWrapper has a lot to offer.