Get Current Context of Android App

Question

I'm having issues getting the current context of my app. I have an object, that I reference/use in multiple places. When used anywhere in the app, it could return a KEY_STATUS_FAILED if the user's credentials have expired. In that case, I would like to, from which ever page the user is currently at, re-direct them to the login screen to re-establish credentials. I have tried several functions to get the base context with no success (currently using getApplicationContext() ). All help is appreciated!

//In common execution thread, after reading return from HTTP Post call int stat = Integer.parseInt(checker.getString("status")); if(stat == KEY_STATUS_FAILED){ Log.d("Process t", "Key Status Failed"); Intent i = new Intent(getApplicationContext(), LogInPage.class); startActivity(i); //this never occurs }

I am currently getting the log output that it has entered the Key Status Failed if-loop. However, my application is not re-directing to LogInPage.class. I'm sure this is something basic, and I'm just committing a boneheaded mistake, but I'm pretty new to this, so thank you all for the help.

How about your Manifest file? Did you register LogInPage in Manifest — Neo
– Neo, Commented Sep 4, 2015 at 3:36
What's the type and supertype of the class in which this piece of code exists ? — Philippe A
– Philippe A, Commented Sep 4, 2015 at 3:42
Set breakpoints and try running apps in debugging mode to see whats happening. — Ganesh Pandey
– Ganesh Pandey, Commented Sep 4, 2015 at 3:48
It may be because you're not using the right context. Application context should not be used to start a new activity. If you have no choice, you must then start a new task. Cf possiblemobile.com/2013/06/context -> Context Capabilities — Philippe A
– Philippe A, Commented Sep 4, 2015 at 4:04

Faiz Siddiqui · Accepted Answer · 2015-09-04 04:44:35Z

You are providing Application Context which is not responsible for starting an activity. You need to use Activity Context to do so.

Try using :

Intent i = new Intent(this, LogInPage.class); startActivity(i);

or Intent i = new Intent(getActivity(), LogInPage.class);

or try creating a global context variable in your activity class and use that or try this :

Intent i = new Intent(((YourActivity) getActivity()), LogInPage.class);

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