android-context Archives - Page 2 of 2

Difference between getContext() , getApplicationContext() , getBaseContext() and “this”

What is the difference between getContext() , getApplicationContext() , getBaseContext() , and “this“? Though this is simple question I am unable to understand ...

April 29, 2022
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Dialog throwing “Unable to add window — token null is not for an application” with getApplication() as context

My Activity is trying to create an AlertDialog which requires a Context as a parameter. This works as expected if I use: AlertDialog.Builder ...

April 28, 2022
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Using context in a fragment

How can I get the context in a fragment? I need to use my database whose constructor takes in the context, but getApplicationContext() ...

April 26, 2022
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What’s “tools:context” in Android layout files?

Starting with a recent new version of ADT, I’ve noticed this new attribute on the layout XML files, for example: <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" ...

April 16, 2022
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Static way to get ‘Context’ in Android?

Is there a way to get the current Context instance inside a static method? I’m looking for that way because I hate saving ...

April 15, 2022
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What is ‘Context’ on Android?

In Android programming, what exactly is a Context class and what is it used for? I read about it on the developer site, ...

April 10, 2022
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