F. Answers to Quiz Questions

2. True

3. Android, Inc.

4. G1 was the name. HTC was the manufacturer. T-Mobile was the carrier.

5. Fire OS

2. Unknown sources

3. USB debugging

4. android.jar

5. junit.*

6. Google Mobile Ads SDK

2. Step into is F7. Step over is F8. Step out is Shift+F8.

3. Ctrl+Alt+O on Windows and ^+Option+O on a Mac.

4. Clicking on the far-left column of the intended line of code or pressing Ctrl+F8 on Windows and Command+F8 on a Mac.

5. Go to Settings, Developer Options, and under Debugging, turn on USB debugging.

2. getApplicationContext()

3. getResources()

4. getSharedPreferences()

5. getAssets()

6. The “back stack”

7. onSaveInstanceState()

8. sendBroadcast()

2. <uses-feature>

3. <supports-screens>

4. <permission>

5. android.permission.USE_FINGERPRINT

2. Property animations, tweened animations, color state lists, drawables, mipmaps, layouts, menus, arbitrary raw files, simple values, arbitrary XML

3. getString()

4. getStringArray()

5. PNG, Nine-Patch Stretchable Images, JPEG, GIF, WEBP

6. @resource_type/variable_name

2. getText()

3. EditText

4. AutoCompleteTextView, MultiAutoCompleteTextView

5. False

6. False

2. True

3. setContentView()

4. False

5. android:layout_attribute_name="value"

6. False

7. ScrollView

8. Toolbar, SwipeRefreshLayout, RecyclerView, CardView, ViewPager, DrawerLayout

2. getFragmentManager() or getSupportFragmentManager()

3. The fully qualified Fragment class name

4. False

5. DialogFragment, ListFragment, PreferenceFragment, WebViewFragment, BrowserFragment, DetailsFragment, VerticalGridFragment, SeachFragment, RowsFragment, HeadersFragment, GuidedStepFragment, ErrorFragment, and PlaybackOverlayFragment

6. ListView

7. Using the Android Support Library package

2. Define the parentActivityName and use the correct Activity.

3. onBackPressed()

4. setDisplayHomeAsUpEnabled(true);

5. getActionBar().hide();

6. False

7. dismiss()

8. AlertDialog

2. ActionBar

3. statusBarColor

4. False

5. Toolbar

2. android:transitionName="transition"

3. AppCompatActivity

4. getItemCount()

5. False; getItemId() is the method to override.

6. Implement a RecyclerView.Adapter and a RecyclerView.ViewHolder, and override the appropriate RecyclerView.Adapter methods for binding data to the view.

2. 99%

3. <supports-screens>

4. False

5. ldltr, ldrtl

6. False

7. onConfigurationChanged()

8. False

2. True

3. /data/data/<package name>/shared_prefs/<preferences filename>.xml

4. android:key, android:title, android:summary, android:defaultValue

5. addPreferencesFromResource()

6. android:fullBackupContent

2. False

3. /data/data/<package name>/

4. openFileOutput()

5. getExternalCacheDir()

6. False

2. getWritableDatabase()

3. False

4. False

2. True

3. READ_CONTACTS

4. addWord()

5. False

2. The lowest common denominator method and the customization method

3. Early, when project requirements are just determined and target devices are determined

4. False

5. Write and compile the code, run the application in the software emulator, test and debug the application in the software emulator or test device, package and deploy the application to the target devices, test and debug the application on the target devices, and incorporate changes from the team and repeat until the application is complete.

2. Name, gender, age range, occupation, Android sophistication level, favorite applications, most-used Android features, attitude toward or awareness of your application’s objectives, education, income, marital status, hobbies, and problems the persona wants or needs a solution to

3. Domain modeling, class modeling, and entity relationship modeling

4. User flows and screen maps

5. Sketches, wireframes, and design comps

6. UI storyboarding and prototyping

2. Updating means modifying the Android manifest version information and redeploying the updated application on users’ devices. Upgrading means creating an entirely new application package with new features and deploying it as a separate application that the user needs to choose to install and that does not replace the old application.

3. The Android emulator using different AVDs, Android Device Monitor, Hierarchy Viewer in Pixel Perfect View, Draw Nine-Patch tool, real devices, technical specifications for specific devices

4. False

5. Android Studio, the Android emulator, physical devices, Android Device Monitor, adb, sqlite3, the Hierarchy Viewer

6. False

7. False

2. Test application integration points, test application upgrades, test device upgrades, test product internationalization, test for conformance, installation testing, backup testing, performance testing, test in-app billing, test for the unexpected, and test to increase your chances of creating a “killer app”

3. JUnit

4. test

5. False

6. TouchUtils

2. False

3. Google Analytics SDK v4 for Android

4. versionName is used to display application version information to users, and versionCode is an integer that Google Play uses internally to handle application upgrades.

5. True

6. False

7. A Google Payments merchant account

2. Ctrl+Shift+F12 on Windows, Command+Shift+F12 on the Mac

3. With two source file windows open, right-click the tab for a source file and select Move Right or Move Down.

4. False

5. Ctrl+Alt+L on Windows, Command+Alt+L on the Mac

6. Ctrl+Alt+V on Windows, Command+Alt+V on the Mac

7. Alt+Enter

2. Ctrl+F11/Ctrl+F12

3. F6

4. onPause() and onStop()

5. hw.gpu.enabled

6. telnet localhost <port>

7. geo fix <longitude> <latitude> [<altitude>]

2. True

3. Attach and debug applications, monitor threads, monitor the heap, stop processes, force garbage collection

4. TrafficStats

5. False

2. platform-tools/

3. Design view, Text view

4. Hierarchy Viewer

2. False

3. The settings.gradle file is used for defining the inclusion of application modules.

4. Gradle wrapper ensures you will always be able to build your application.

5. The android element of your application module build.gradle file