Android Fragmentation Management How-to - download pdf or read online

By Gianluca Pacchiella

ISBN-10: 1782160868

ISBN-13: 9781782160861

Research anything new straight away! a brief, speedy, concentrated consultant providing fast effects. tips on how to write apps that paintings on any Android model able to use code to unravel any compatibility factor Get hands-on with the largest factor that faces Android builders.

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TabListener { … } 3. info Instant Android Fragmentation Management How-to 4. Create a subclass of the FragmentPageAdapter class that will bind each tab to a specific fragment (here we have used a unique fragment class called DummyFragment, not implemented, that simply shows a simple text): public class TabsAdapter extends FragmentPagerAdapter { public TabsAdapter(FragmentManager fm) { super(fm); } @Override public Fragment getItem(int position) { return new DummyFragment(); } @Override public int getCount() { return 3; } @Override public CharSequence getPageTitle(int position) { return "Page " + position; } } 5.

Instant Android Fragmentation Management How-to Menu Starting with the Honeycomb version, the way the menu is managed is also different. Because of ActionBar, now it's possible to present some menu options on it so that it becomes easily accessible. The ratio to be used in choosing the options to place in the ActionBar should follow the FIT scheme—Frequent, Important, or Typical. So the method used for building the menu, that is, OnCreateOptionsMenu(), is called—when an action bar is present—at Activity start (on pre-Honeycomb devices, this function is activated only by pressing the menu button).

In the documentation, it is explained as follows: A fragment that displays a dialog window, floating on top of its activity's window. This fragment contains a Dialog object, which it displays as appropriate based on the fragment's state. Control of the dialog (deciding when to show, hide, dismiss it) should be done through the API here, not with direct calls on the dialog. Let's write some example code in order to show how this is supposed to work: 1. AlertDialog; 2. Create a class extending FragmentDialog: static public class DialogCompatibility extends DialogFragment { … } 3.

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Android Fragmentation Management How-to by Gianluca Pacchiella


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