android-fragments Archives - Page 5 of 6

How to handle button clicks using the XML onClick within Fragments

Pre-Honeycomb (Android 3), each Activity was registered to handle button clicks via the onClick tag in a Layout’s XML: android:onClick="myClickMethod" Within that method you ...

May 5, 2022
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ViewPager and fragments — what’s the right way to store fragment’s state?

Fragments seem to be very nice for separation of UI logic into some modules. But along with ViewPager its lifecycle is still misty ...

May 3, 2022
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How do I get the currently displayed fragment?

I am playing with fragments in Android. I know I can change a fragment by using the following code: FragmentManager fragMgr = getSupportFragmentManager(); ...

May 3, 2022
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How to correctly save instance state of Fragments in back stack?

I have found many instances of a similar question on SO but no answer unfortunately meets my requirements. I have different layouts for ...

May 2, 2022
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IllegalStateException: Can not perform this action after onSaveInstanceState with ViewPager

I’m getting user reports from my app in the market, delivering the following exception: java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState at ...

May 1, 2022
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How to implement onBackPressed() in Fragments?

Is there a way in which we can implement onBackPressed() in Android Fragment similar to the way in which we implement in Android ...

April 30, 2022
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Why fragments, and when to use fragments instead of activities?

In Android API 11+, Google has released a new class called Fragment. In the videos, Google suggests that whenever possible (link1, link2), we ...

April 30, 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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Best practice for instantiating a new Android Fragment

I have seen two general practices to instantiate a new Fragment in an application: Fragment newFragment = new MyFragment(); and Fragment newFragment = ...

April 23, 2022
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How to determine when Fragment becomes visible in ViewPager

Problem: Fragment onResume() in ViewPager is fired before the fragment becomes actually visible. For example, I have 2 fragments with ViewPager and FragmentPagerAdapter. ...

April 21, 2022
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