In the post Tab Layout in Android with ActionBar and Fragment the fragments can’t be replaced later, in this post I write the changes in order to replace the first fragment of the first tab with a third fragment using a button at runtime.
Continue reading “Replacing a Fragment in a Tab Layout with an ActionBar”
It is very easy to get the Context inside an Activity:
- with the getApplicationContext() method
- using only “this” because the Activity class extends the Context class
But you can’t use any of these two methods inside a Fragment and you have to replace them respectively with:
I often do this replacement when I use code written for an Activity, but that I must use in a Fragment.
In the post Tab Layout in Android with ActionBar and Fragment as dnoray wrote in his comment, there is a problem: when you rotate the screen (ctrl + F11 in the emulator) there is an overlap of the two fragments as seen in the figure.
For a further discussion on this topic you can read this.
Continue reading “ActionBar, Fragment and screen rotation”
The idea for this post came to me after reading the comment of Esthon Wood: “do you have any idea on how to save the state of the WebView? I mean, the webview refreshes everytime I tap on the tab.” in the post Tab Layout in Android with ActionBar and Fragment. Continue reading “How to save the state of a WebView inside a Fragment of an Action Bar”
In the post Tab Layout in Android with ActionBar and Fragment I wrote an example about tabs in an action bar where each label open a fragment that you can not change at runtime.
In this post I explain how to replace a fragment with an other using a button. Continue reading “How to replace a Fragment in an ActionBar in mode NAVIGATION_MODE_TABS”
I thought of writing a post about how to save the position of a ScrollView when I read the Bhavin’s comment in the post Tab Layout in Android with ActionBar and Fragment.
Bhavin asked how one could restore the position of a scrollview switching between a tab and the other. Continue reading “Saving the position of a ScrollView inside a Fragment”
In a previous post I wrote an example of Layout Tab using a TabActivity class that it is deprecated since version 3.0 Honeycomb of Android.
In this post I develop the same interface using ActionBar and Fragment, and I tried wherever possible to limit the changes to the files *.xml. Continue reading “Tab Layout in Android with ActionBar and Fragment”