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home / developersection / interviews / define different kind of context in android
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Anonymous User
Anonymous User 11 Jun 2015
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Context defines the current state of application or object. Context provides access to things such as creating new activity instance, access databases, start a service, etc. You can get the context by invoking getApplicationContext(), getContext(), getBaseContext() or this when in the activity class.

//Creating ui instance
ImageButton button = new ImageButton(getContext());
//creating adapter
ListAdapter adapter = new SimpleCursorAdapter(getApplicationContext(), ...);
//querying content provider
getApplicationContext().getContentResolver().query(uri, ...);
//start activity. Here this means activity context
Intent intent = new Intent(this, SecondActivity.class);
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