Android | Android Context | Different Types Of Context | Application Context | Activity Context | getContext()
Android | Context What is context in android? Context is an interface to global information about an application environment. This is an abstract class whose implementation is provided by the Android system. Context is the context of the current state of the application/object. It lets newly-created objects understand what has been going on. It allows access to application resources, classes as well as up-calls for application-level operations such as launching activities, broadcasting and receiving intents, etc. It allows our application components to interact with the outside android environment like local files, databases, class loaders associated to the environment, services including system-level services, and more. There are many different types of context in android. Wrong use of context can easily lead to memory leak in an android application. So, let's give a look to ...
Hi,
ReplyDeletethanks for this code, I'm converting it to C# (Xamarin).
I'm just wondering, in this line of code:
cursor.getColumnIndexOrThrow(column);
What is the column value? I don't see it set it anywhere and I don't have any example of a file that will go through this code so that I could debug it.
Thanks again.
Hi Luis,
DeleteSorry for the late response.
column is a String variable with value -> "_data"
i.e final String column = "_data";
I have updated the post as well.
Cheers
Thanks for the information :)
Deletecursor.getColumnIndexOrThrow(column);
ReplyDeleteWhat is column value??
Hi Navneet,
DeleteSorry for the late response.
column is a String variable with value -> "_data"
i.e final String column = "_data";
I have updated the post as well.
Let me know is you need any further details.
Cheers
thanks. a customer ask I should build him page eiyh his own picked image on it. that viewer can view soccer football tennis, hocky, ice ball. e.t.c. live score I build him one, he said he did not like it. please post code, I will like to learn.
ReplyDeleteHi User,
DeleteThanks for your time to write here.
I am not able to understand whats your requirement. Kindly provide some further information. You can also write me at tech.rajat.singh@gmail.com.
Super, works fine.
ReplyDeletecheers :)
DeleteGot an error
ReplyDeletejava.lang.IllegalArgumentException: column '_data' does not exist. Available columns: []
at
final int index = cursor.getColumnIndexOrThrow(column);
i am using android 9, while trying to share an image from another app (sharechat)
Hi Binu,
DeleteHope you are doing great!
On which device are you testing? Please share more details about device you are using. Also, share the steps to reproduce it.
Thanks