book

Android Application Development Cookbook - Second Edition

by Rick Boyer, Kyle Mew

March 2016

Intermediate to advanced

428 pages

9h 2m

English

Packt Publishing

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What this book covers

Getting readyHow to do it…How it works…There's more…See also
Downloading the example codeErrataPiracyQuestions
Introduction
Getting readyHow to do it...How it works...
Getting readyHow to do it...How it works...There's more...See also
Getting readyHow to do it...How it works...See also
Getting readyHow to do it...How it works...There's more...
Getting readyHow to do it...How it works...There's more...See also
Getting readyHow to do it...How it works...There's more...See also
Getting readyHow to do it...How it works...There's more...Using more than one preference fileSee also
Getting readyHow to do it...How it works...There's more...Shutting down an activity
Introduction
Getting readyHow to do it...How it works...There's more...See also
Getting readyHow to do it...How it works...There's more...See also
Getting readyHow to do it...How it works...There's more...See also
Getting readyHow to do it...How it works...There's more...
Getting readyHow to do it...How it works...There's more...
Getting readyHow to do it....How it works...
Getting readyHow to do it...How it works...There's more...
Introduction
Getting readyHow to do it...How it works...There's more...See also
Getting readyHow to do it...How it works...There's more...Using designated folders for screen-specific resourcesSee also
Getting readyHow to do it...How it works...There's more...
Getting readyHow to do it...How it works...There's more...See also
Getting readyHow to do it...How it works...There's more...See also
Getting readyHow to do it...How it works...There's more...
Getting readyHow to do it...How it works...There's more…
Introduction
Getting readyHow to do it...How it works...There's more...Using a menu item to launch an activityCreating sub menusGrouping menu itemsSee also
Getting readyHow to do it...How it works...There's more...
Creating a Floating Context MenuGetting readyHow to do it...How it works...There's more...See also
Getting readyHow to do it...How it works...There's more...See also
Getting readyHow to do it...How it works...
Introduction
Getting readyHow to do it...How it works...There's more...
Getting readyHow to do it...How it works...There's more...
Getting readyHow to do it...How it works...There's more...See also
Getting readyHow to do it...How it works...There's more...
Getting readyHow to do it...How it works...There's more...See also
Getting readyHow to do it...How it works...See also
Getting readyHow to do it...How it works...There's more...Sticky ImmersionDimming the System UISetting the Action Bar as an OverlayTranslucent system barsSee also
Introduction
Getting readyHow to do it...How it works...There's more...
Getting readyHow to do it...How it works...There's more...Cache FilesSee also
Getting readyHow to do it...How it works...There's more...Getting public foldersChecking available spaceDeleting a fileWorking with directoriesPreventing files from being included in galleriesSee also
Getting readyHow to do it...How it works...There's more...See also
Getting readyHow to do it...How it works...There's more...Upgrading a databaseSee also
Getting readyHow to do it...How it works...There's more...See also
Introduction
Getting readyHow to do it...How it works...There's more...See also
Getting readyHow to do it...How it works...
Getting readyHow to do it...How it works...There's more...Add an iconUsing a listCustom Layout
Getting readyHow to do it...How it works...There's more...
Getting readyHow to do it...How it works...There's more...Adding a button to the notification using addAction()Expanded notificationsLock screen notificationsSee also
Getting readyHow to do it...How it works...There's more...See also
Getting readyHow to do it...How it works...There's more...See also
Introduction
Getting readyHow to do it...How it works...There's more...
Getting readyHow to do it...How it works...There's more...See also
Getting readyHow to do it...How it works...
Getting readyHow to do it...How it works...There's more...
Getting readyHow to do it...How it works...There's more...See also
Getting readyHow to do it...How it works...There's more...Environment sensorsPosition sensorsMotion sensorsSee also
Getting readyHow to do it...How it works...There's more...Getting current device rotationSee also
Introduction
Getting readyHow to do it...How it works...There's more...See also
Getting readyHow to do it...How it works...Creating the start sceneCreating the transition:Defining the ending scene:Starting the transition:There's more...See also
Getting readyHow to do it...How it works...There's more...See also
Getting readyHow to do it...How it works...There's more...Creating a Setup WizardSee also
Getting readyHow to do it...How it works...See also
Getting readyHow to do it...How it works...There's more...Getting the default animation durationSee also
Introduction
Getting readyHow to do it...How it works...Declaring OpenGL in the Android ManifestExtending the GLSurfaceView classCreating an OpenGL rendered classThere's more...
Getting readyHow to do it...How it works...There's more...See also
Getting readyHow to do it...How it works...There's more...
Getting readyHow to do it...How it works...There's more...The render mode
Getting readyHow to do it...How it works...There's more...See also
Introduction
Getting readyHow to do it...How it works...There's more...See also
Getting readyHow to do it...How it works...There's more...Playing music in the backgroundUsing hardware volume keys to control your app's audio volumeSee also
Getting readyHow to do it...How it works...There's more...Checking the hardware being usedSee also
Getting readyHow to do it...How it works...There's more...Calling the default video appSee also
Getting readyHow to do it...How it works...There's more...Setting the camera parametersSee also
Getting readyHow to do it...How it works...Setting up the previewCapturing the imageThere's more...See also
Introduction
Getting readyHow to do it...How it works...See also
Getting readyHow to do it...How it works...There's more...See also
Getting readyHow to do it...How it works...There's more...Multipart messagesDelivery status notificationSee also
Getting readyHow to do it...How it works...There's more...Reading existing SMS messagesSee also
Getting readyHow to do it...How it works...There's more...Controlling page navigationHow to enable JavaScriptEnable built-in zoomSee also
Getting readyHow to do it...How it works...There's more...Monitoring network state changesSee also
Getting readyHow to do it...How it works...There's more...See also
Getting readyHow to do it...How it works...There's more...
Getting readyHow to do it...How it works...There's more...See also
Getting readyHow to do it...How it works...There's more...Creating a Volley singletonSee also
Getting readyHow to do it...How it works...There's more...See also
Introduction
Getting readyHow to do it...How it works...There's more...Mock locationsSee also
Getting readyHow to do it...How it works...There's more...See also
Getting readyHow to do it...How it works...There's more...Stop receiving location updatesSee also
Getting readyHow to do it...How it works...There's more...See also
Introduction
Getting readyHow to do it...How it works...There's more...See also
Getting readyHow to do it...How it works...There's more...Cancel the alarmRepeating alarmSee also
Getting readyHow to do it...How it works...There's more...See also
Getting readyHow to do it...How it works...There's more...Parameter typesCancel the taskSee also
Getting readyHow to do it...How it works...There's more...See also
Getting readyHow to do it...How it works...There's more...Simple testing optionSee also
Getting readyHow to do it...How it works...There's more...Localization resourcesSee also
Introduction
Getting readyHow to do it...How it works...There's more...See also
Getting readyHow to do it...How it works...There's more...See also
Getting readyHow to do it...How it works...There's more...See also
Getting readyHow to do it...How it works...There's more...See also
Getting readyHow to do it...How it works...There's more...See also

Content preview from Android Application Development Cookbook - Second Edition

Creating a Home screen widget

Before we dig in to the code for creating an App Widget, let's cover the basics. There are three required and one optional component:

The AppWidgetProviderInfo file: It's an XML resource described later on
The AppWidgetProvider class: This is a Java class
The View layout file: It's a standard layout XML file, with some restrictions listed later on
The App Widget configuration Activity (optional): This Activity launches when placing the widget to set configuration options

The AppWidgetProvider must also be declared in the AndroidManifest file. Since the AppWidgetProvider is a helper class based on the Broadcast Receiver, it is declared in the manifest with the <receiver> element. Here is an example manifest entry: