Android Programming The Big Nerd Ranch Guide, 3rd Edition

317 17. Two-Pane Master-Detail Interfaces In this chapter, you will create a tablet interface for CriminalIntent that allows use ...

Chapter 17  Two-Pane Master-Detail Interfaces 318 You will need a tablet device or AVD for testing in this chapter. To create a ...

Adding Layout Flexibility 319 Adding Layout Flexibility On a phone, you want CrimeListActivity to inflate a single-pane layout, ...

Chapter 17  Two-Pane Master-Detail Interfaces 320 Modifying SingleFragmentActivity CrimeListActivity is a subclass of SingleFrag ...

Creating a layout with two fragment containers 321 Creating a layout with two fragment containers In the project tool window, ri ...

Chapter 17  Two-Pane Master-Detail Interfaces 322 Run CriminalIntent on a tablet device and confirm that you have two panes (Fig ...

Using an alias resource 323 Using an alias resource An alias resource is a resource that points to another resource. Alias resou ...

Chapter 17  Two-Pane Master-Detail Interfaces 324 Creating tablet alternatives Because your alias is in res/values/, it is the d ...

Activity: Fragment Boss 325 Android does not provide a way to use a resource only when a device is under a particular size, but ...

Chapter 17  Two-Pane Master-Detail Interfaces 326 Fragment callback interfaces To delegate functionality back to the hosting act ...

Fragment callback interfaces 327 In CrimeListFragment.java, add a Callbacks interface to CrimeListFragment. Also add an mCallbac ...

Chapter 17  Two-Pane Master-Detail Interfaces 328 Next, in CrimeListActivity, implement CrimeListFragment.Callbacks. Leave onCri ...

Fragment callback interfaces 329 In CrimeListActivity.java, implement onCrimeSelected(Crime) to handle the selection of a crime ...

Chapter 17  Two-Pane Master-Detail Interfaces 330 Run CriminalIntent on a tablet. Create a new crime, and a CrimeFragment will b ...

Fragment callback interfaces 331 Before you start with CrimeFragment’s interface, change the visibility of CrimeListFragment.upd ...

Chapter 17  Two-Pane Master-Detail Interfaces 332 Now implement CrimeFragment.Callbacks in CrimeListActivity to reload the list ...

Fragment callback interfaces 333 Then add calls in CrimeFragment.java to updateCrime() when a Crime’s title or solved status has ...

Chapter 17  Two-Pane Master-Detail Interfaces 334 You also need to call updateCrime() in onActivityResult(...), where the Crime’ ...

For the More Curious: More on Determining Device Size 335 For the More Curious: More on Determining Device Size Before Android 3 ...

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