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I have a broadcast receiver which I want to pass onto an activity but if and only if the activity is visible. I don't want to start it up unless its already visible. Is there an option for this? Or a way to pass it but not have the activity become visible? Or if you know a way for an activity be register as a broadcast receiver that would work too I suppose.
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The easiest way to do this would be to pass the session id to the signout activity in the Intent you're using to start the activity: Intent intent = new Intent(getBaseContext(), SignoutActivity. class); intent. putExtra("EXTRA_SESSION_ID", sessionId); startActivity(intent);
This example demonstrate about How to send data from one activity to another in Android without intent. Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project. Step 2 − Add the following code to res/layout/activity_main. xml.
For this, Intent will start and the following methods will run: putExtra() method is used for sending the data, data in key-value pair key is variable name and value can be Int, String, Float, etc. getStringExtra() method is for getting the data(key) that is sent by the above method.
launchMode — singleTask | flag — FLAG_ACTIVITY_NEW_TASK: If an Activity do not exist in an already created Task, then it starts the Activity in a new Task with Activity's new instance at the root of the Task's back stack, else the Task is brought forward with the Activity's last state restored and this Activity ...
I think you can archive this by registering the Receiver in the onResume() and unregister the receiver in the onPause() method. This should do the trick.
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