android-activity Archives

android, Programming

IT Nursery

Best way to add Activity to an Android project in Eclipse?

When adding an activity to an existing Android project, I manually create a new class – is that the best / preferred way? ...

June 3, 2022
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android, Programming

IT Nursery

Android: How can I get the current foreground activity (from a service)?

Is there a native android way to get a reference to the currently running Activity from a service? I have a service running ...

June 1, 2022
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android, Programming

IT Nursery

Using Intent in an Android application to show another activity

In my Android application, I have two activity classes. I have a button on the first one and I want to show the ...

June 1, 2022
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android, Programming

IT Nursery

Activity transition in Android

How can I define the transition between two activities for Android 1.5 and later? I would like an activity to fade in. 14 ...

June 1, 2022
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android, Programming

IT Nursery

Android. Fragment getActivity() sometimes returns null

In developer console error reports sometimes I see reports with NPE issue. I do not understand what is wrong with my code. On ...

June 1, 2022
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android, Programming

IT Nursery

How to get current foreground activity context in android?

Whenever my broadcast is executed I want to show alert to foreground activity. 17 Answers 17

May 31, 2022
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android, Programming

IT Nursery

Getting activity from context in android

This one has me stumped. I need to call an activity method from within a custom layout class. The problem with this is ...

May 31, 2022
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android, Programming

IT Nursery

How to pass data from 2nd activity to 1st activity when pressed back? – android

I’ve 2 activities, Activity1 and Activity2. In Activity1 I’ve a Button and TextView. When the button is clicked Activity2 is started. In Activity2 ...

May 31, 2022
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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

How to get hosting Activity from a view?

I have an Activity with 3 EditTexts and a custom view which acts a specialised keyboard to add information into the EditTexts. Currently ...

May 30, 2022
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