android-context Archives

android, Programming

IT Nursery

getActivity() returns null in Fragment function

I have a fragment (F1) with a public method like this public void asd() { if (getActivity() == null) { Log.d("yes","it is null"); ...

May 30, 2022
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android, Programming

IT Nursery

Call getLayoutInflater() in places not in activity

What does need to be imported or how can I call the Layout inflater in places other than activity? public static void method(Context ...

May 30, 2022
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Difference between Activity Context and Application Context

This has me stumped, I was using this in Android 2.1-r8 SDK: ProgressDialog.show(getApplicationContext(), ....); and also in Toast t = Toast.makeText(getApplicationContext(),....); using getApplicationContext() ...

May 21, 2022
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When to call activity context OR application context?

There has been a lot of posting about what these two contexts are.. But I’m still not getting it quite right As I ...

May 19, 2022
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getString Outside of a Context or Activity

I’ve found the R.string pretty awesome for keeping hardcoded strings out of my code, and I’d like to keep using it in a ...

May 16, 2022
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What’s the difference between the various methods to get an Android Context?

In various bits of Android code I’ve seen: public class MyActivity extends Activity { public void method() { mContext = this; // since ...

May 8, 2022
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How to get package name from anywhere?

I am aware of the availability of Context.getApplicationContext() and View.getContext(), through which I can actually call Context.getPackageName() to retrieve the package name of ...

May 8, 2022
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Calling startActivity() from outside of an Activity context

I have implemented a ListView in my Android application. I bind to this ListView using a custom subclass of the ArrayAdapter class. Inside ...

May 6, 2022
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getApplication() vs. getApplicationContext()

I couldn’t find a satisfying answer to this, so here we go: what’s the deal with Activity/Service.getApplication() and Context.getApplicationContext()? In our application, both ...

May 6, 2022
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Using Application context everywhere?

In an Android app, is there anything wrong with the following approach: public class MyApp extends android.app.Application { private static MyApp instance; public ...

May 4, 2022
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